MadButterfly: src/shape_stext.c annotate

annotate src/shape_stext.c @ 427:8f900da42eed

Make sh_text_draw() passes first test case.

author	Thinker K.F. Li <thinker@branda.to>
date	Tue, 28 Jul 2009 15:11:42 +0800
parents	aa320386072c
children	9d5506968efb

rev	line source
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 #include <stdio.h>
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 #include <cairo.h>
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	3 #include <cairo-ft.h>
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	4 #include <fontconfig/fontconfig.h>
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5 #include "mb_shapes.h"
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	6 #include "mb_tools.h"
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	7
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	8 #ifdef UNITTEST
425 09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	9
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	10 #define NO_DOX(x) x
425 09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	11 #define UT_FAKE(r, x, param) \
09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	12 r x param {}
09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	13
09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	14 UT_FAKE(void, sh_stext_transform, (shape_t *shape));
09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	15 UT_FAKE(void, sh_stext_draw, (shape_t shape, cairo_t cr));
09a66063b25d Fix issue of missed function for unittest. Thinker K.F. Li <thinker@branda.to> parents: 424 diff changeset	16
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	17 typedef struct _ut_area {
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	18 co_aix x, y;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	19 co_aix w, h;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	20 } ut_area_t;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	21 #define area_t ut_area_t
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	22
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	23 typedef struct _ut_shape {
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	24 co_aix aggr[6];
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	25 void (free)(struct _ut_shape );
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	26 ut_area_t area;
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	27 } ut_shape_t;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	28 #define shape_t ut_shape_t
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	29
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	30 #undef sh_get_aggr_matrix
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	31 #define sh_get_aggr_matrix(sh) (sh)->aggr
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	32
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	33 #undef sh_get_area
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	34 #define sh_get_area(sh) (&(sh)->area)
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	35
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	36 #undef mb_obj_init
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	37 #define mb_obj_init(o, t)
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	38 #undef rdman_shape_man
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	39 #define rdman_shape_man(rdman, sh)
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	40
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	41 #define rdman_shape_stext_new ut_rdman_shape_stext_new
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	42 #define sh_stext_transform ut_sh_stext_transform
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	43 #define sh_stext_draw ut_sh_stext_draw
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	44 #define sh_stext_set_text ut_sh_stext_set_text
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	45 #define sh_stext_set_style ut_sh_stext_set_style
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	46
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	47 #undef cairo_get_scaled_font
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	48 #define cairo_get_scaled_font(cr) ((cairo_scaled_font_t *)NULL)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	49 #undef cairo_set_scaled_font
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	50 #define cairo_set_scaled_font(cr, scaled) ((cairo_scaled_font_t *)NULL)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	51 #undef cairo_scaled_font_reference
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	52 #define cairo_scaled_font_reference(x)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	53 #define MAX_MOVE 32
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	54 NO_DOX(static co_aix move_xys[MAX_MOVE][2]);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	55 NO_DOX(static int move_cnt = 0);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	56 #undef cairo_move_to
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	57 #define cairo_move_to(cr, x, y) \
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	58 do { \
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	59 move_xys[move_cnt][0] = x; \
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	60 move_xys[move_cnt++][1] = y; \
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	61 } while(0)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	62 #undef cairo_show_text
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	63 #define cairo_show_text(cr, txt)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	64 #undef cairo_scaled_font_destroy
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	65 #define cairo_scaled_font_destroy(scaled) \
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	66 if(scaled != NULL) cairo_scaled_font_destroy(scaled)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	67
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	68 #endif /* UNITTEST */
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	69
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	70 #ifndef ASSERT
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 #define ASSERT(x)
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72 #endif
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73 #define OK 0
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	74 #define ERR -1
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	75
407 92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	76 /*! \page stext Simple Text
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	77 *
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	78 * A sh_stext_t is broken into fragments. Each fragment comprises the text
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	79 * and the styles applied on the fragement. The styles determines font face
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	80 * used to show the text. The fragment of text with styles is called
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	81 * styled block.
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	82 */
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	83
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	84 /*! \defgroup fontconfig_freetype Fontconfig and FreeType Layer.
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	85 *
411 1633551e495d Add doc Thinker K.F. Li <thinker@branda.to> parents: 410 diff changeset	86 * This layer implements a font provider to rest of the system.
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	87 * It bases on fontconfig and FreeType supporting of Cairo.
411 1633551e495d Add doc Thinker K.F. Li <thinker@branda.to> parents: 410 diff changeset	88 * If you want to provide stext with technologies other than fontconfig and
1633551e495d Add doc Thinker K.F. Li <thinker@branda.to> parents: 410 diff changeset	89 * FreeType, just replace this layer with the implmenetation that you want.
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	90 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	91 * @{
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	92 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	93 /*! \brief Stakeholder of scaled font.
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	94 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	95 * It is actually a cairo_scaled_font_t, now. But, it should not be
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	96 * noticed by out-siders. Only \ref fontconfig_freetype
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	97 * should known it.
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	98 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	99 typedef struct _mb_scaled_font mb_scaled_font_t;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	100
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	101 /*! \brief Stakeholder of scaled font.
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	102 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	103 * Although, mb_text_extents_t is defined as a cairo_scaled_font_t, but
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	104 * programmers should assume it is opague.
407 92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	105 *
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	106 * An extents is the span of showing a fragement of text on the output device.
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	107 * It includes x and y advance of cursor after showinng the text.
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	108 * The cursor maybe not really existed. But, the advance is computed as
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	109 * the cursor existed. It also includes width and height of the text.
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	110 * The bearing of a styled block is the left-top corner of the bounding box.
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	111 * The bounding box of a styled block is the minimal rectangle, on the
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	112 * output device, that can contain the text. The bearing is related to
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	113 * the base line for an extents.
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	114 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	115 typedef cairo_text_extents_t mb_text_extents_t;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	116
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	117 #define MBE_GET_X_ADV(ext) ((ext)->x_advance)
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	118 #define MBE_GET_Y_ADV(ext) ((ext)->y_advance)
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	119 #define MBE_GET_X_BEARING(ext) ((ext)->x_bearing)
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	120 #define MBE_GET_Y_BEARING(ext) ((ext)->y_bearing)
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	121 #define MBE_GET_WIDTH(ext) ((ext)->width)
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	122 #define MBE_GET_HEIGHT(ext) ((ext)->height)
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	123 #define MBE_SET_X_ADV(ext, v) do { ((ext)->x_advance) = v; } while(0)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	124 #define MBE_SET_Y_ADV(ext, v) do { ((ext)->y_advance) = v; } while(0)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	125 #define MBE_SET_X_BEARING(ext, v) do { ((ext)->x_bearing) = v; } while(0)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	126 #define MBE_SET_Y_BEARING(ext, v) do { ((ext)->y_bearing) = v; } while(0)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	127 #define MBE_SET_WIDTH(ext, v) do { ((ext)->width) = v; } while(0)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	128 #define MBE_SET_HEIGHT(ext, v) do { ((ext)->height) = v; } while(0)
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	129
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	130 /*! \brief Find out a font pattern.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	131 *
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	132 * This function use fontconfig to decide a font file in pattern. It can
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	133 * replaced by other mechanism if you think it is not what you want.
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	134 *
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	135 * \param slant make font prune if it it non-zero.
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	136 * \param weight make font normal if it is 100.
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	137 */
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	138 static
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	139 FcPattern query_font_pattern(const char family, int slant, int weight) {
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	140 FcPattern ptn, p, *fn_ptn;
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	141 FcValue val;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	142 FcConfig *cfg;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	143 FcBool r;
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	144 FcResult result;
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	145 static int slant_map[] = { /* from MB_FONT_SLANT_* to FC_SLANT_* */
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	146 FC_SLANT_ROMAN,
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	147 FC_SLANT_ROMAN,
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	148 FC_SLANT_ITALIC,
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	149 FC_SLANT_OBLIQUE};
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	150
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	151 cfg = FcConfigGetCurrent();
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	152 ptn = FcPatternCreate();
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	153 p = FcPatternCreate();
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	154 if(ptn == NULL \|\| p == NULL)
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	155 goto err;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	156
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	157 val.type = FcTypeString;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	158 val.u.s = family;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	159 FcPatternAdd(ptn, "family", val, FcTrue);
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	160
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	161 val.type = FcTypeInteger;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	162 val.u.i = slant_map[slant];
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	163 FcPatternAdd(ptn, "slant", val, FcTrue);
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	164
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	165 val.type = FcTypeInteger;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	166 val.u.i = weight;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	167 FcPatternAdd(ptn, "weight", val, FcTrue);
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	168
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	169 r = FcConfigSubstituteWithPat(cfg, ptn, NULL, FcMatchPattern);
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	170 if(!r)
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	171 goto err;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	172
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	173 r = FcConfigSubstituteWithPat(cfg, p, ptn, FcMatchFont);
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	174 if(!r)
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	175 goto err;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	176
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	177 FcDefaultSubstitute(p);
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	178
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	179 fn_ptn = FcFontMatch(cfg, p, &result);
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	180
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	181 /* It is supposed to return FcResultMatch. But, it is no, now.
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	182 * I don't know why. Someone should figure out the issue.
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	183 */
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	184 #if 0
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	185 if(result != FcResultMatch) {
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	186 printf("%d %d\n", result, FcResultMatch);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	187 goto err;
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	188 }
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	189 #endif
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	190 if(fn_ptn == NULL)
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	191 goto err;
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	192
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	193 FcPatternDestroy(ptn);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	194 FcPatternDestroy(p);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	195
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	196 return fn_ptn;
394 b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	197
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	198 err:
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	199 if(ptn)
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	200 FcPatternDestroy(ptn);
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	201 if(p)
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	202 FcPatternDestroy(p);
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	203 return NULL;
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	204
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	205 }
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern Thinker K.F. Li <thinker@branda.to> parents: 393 diff changeset	206
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	207 /*! \brief Find out a font face for a pattern specified.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	208 *
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	209 * The pattern, here, is a vector of family, slant, and weight.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	210 * This function base on fontconfig and cairo FreeType font supporting.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	211 * You can replace this function with other font mechanisms.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	212 */
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	213 static
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	214 mb_font_face_t query_font_face(const char family, int slant, int weight) {
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	215 cairo_font_face_t *cface;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	216 FcPattern *ptn;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	217
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	218 ptn = query_font_pattern(family, slant, weight);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	219 cface = cairo_ft_font_face_create_for_pattern(ptn);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	220 FcPatternDestroy(ptn);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	221
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	222 return (mb_font_face_t *)cface;
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	223 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	224
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	225 static
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	226 void free_font_face(mb_font_face_t *face) {
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	227 ASSERT(face == NULL);
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	228
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	229 cairo_font_face_destroy((cairo_font_face_t *)face);
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	230 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	231
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	232 /*! \brief This is scaled font for specified size and extent.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	233 *
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	234 * Font face only specified which font would be used to draw text
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	235 * message. But, it also need to scale glyphs to specified size and
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	236 * rotation. This function return a scaled font specified by a
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	237 * matrix that transform glyph from design space of the font to
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	238 * user space of cairo surface.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	239 */
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	240 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	241 mb_scaled_font_t make_scaled_font_face_matrix(mb_font_face_t face,
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	242 co_aix *matrix) {
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	243 cairo_scaled_font_t *scaled_font;
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	244 cairo_matrix_t font_matrix;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	245 static cairo_matrix_t id = {
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	246 1, 0,
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	247 0, 1,
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	248 0, 0
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	249 };
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	250 static cairo_font_options_t *opt = NULL;
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	251
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	252 ASSERT(matrix != NULL);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	253
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	254 if(opt == NULL) {
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	255 opt = cairo_font_options_create();
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	256 if(opt == NULL)
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	257 return NULL;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	258 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	259
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	260 font_matrix.xx = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	261 font_matrix.xy = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	262 font_matrix.x0 = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	263 font_matrix.yx = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	264 font_matrix.yy = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	265 font_matrix.y0 = *matrix;
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	266 scaled_font = cairo_scaled_font_create((cairo_font_face_t *)face,
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	267 &font_matrix,
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	268 &id, opt);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	269
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	270 return (mb_scaled_font_t *)scaled_font;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	271 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	272
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	273 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	274 void scaled_font_free(mb_scaled_font_t *scaled_font) {
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	275 cairo_scaled_font_destroy((cairo_scaled_font_t *)scaled_font);
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	276 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	277
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	278 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	279 void compute_text_extents(mb_scaled_font_t scaled_font, const char txt,
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	280 mb_text_extents_t *extents) {
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	281 cairo_scaled_font_text_extents((cairo_scaled_font_t *)scaled_font,
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	282 txt,
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	283 (cairo_text_extents_t *)extents);
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	284 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	285
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	286 static
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	287 mb_text_extents_t *mb_text_extents_new(void) {
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	288 cairo_text_extents_t *extents;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	289
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	290 extents = (cairo_text_extents_t *)malloc(sizeof(cairo_text_extents_t));
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	291 return extents;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	292 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	293
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	294 static
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	295 void mb_text_extents_free(mb_text_extents_t *extents) {
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	296 free(extents);
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	297 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	298
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	299 static
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	300 void draw_text_scaled(cairo_t cr, const char txt, int tlen,
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	301 mb_scaled_font_t *scaled, co_aix x, co_aix y) {
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	302 cairo_scaled_font_t *saved_scaled;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	303 int total_tlen;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	304 const char *buf;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	305
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	306 total_tlen = strlen(txt);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	307 if(total_tlen > tlen)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	308 buf = strndup(txt, tlen);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	309 else
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	310 buf = txt;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	311
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	312 saved_scaled = cairo_get_scaled_font(cr);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	313 cairo_scaled_font_reference(saved_scaled);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	314 cairo_set_scaled_font(cr, (cairo_scaled_font_t *)scaled);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	315
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	316 cairo_move_to(cr, x, y);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	317 cairo_show_text(cr, buf);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	318
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	319 cairo_set_scaled_font(cr, saved_scaled);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	320 cairo_scaled_font_destroy(saved_scaled);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	321
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	322 if(total_tlen > tlen)
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	323 free((char *)buf);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	324 }
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	325
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	326 /* @} */
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	327
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	328 /*! \brief Query and return a font face for a specified attribute vector.
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	329 *
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	330 * Programmers use mb_font_face_t to specify fonts used to show a
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	331 * block of text on the output device. They can get mb_font_face_t with
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	332 * this function. The objects return by mb_font_face_query() should be
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	333 * freed with mb_font_face_free() when they are not more used.
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	334 *
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	335 * \param family is the name of a font family (times).
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	336 * \param slant is one of \ref MB_FONT_SLANTS.
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	337 * \param weight decides if a font is thin or heavy.
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	338 */
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	339 mb_font_face_t mb_font_face_query(redraw_man_t rdman,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	340 const char *family,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	341 int slant,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	342 int weight) {
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	343 return query_font_face(family, slant, weight);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	344 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	345
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	346 void mb_font_face_free(mb_font_face_t *face) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	347 ASSERT(face != NULL);
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	348 free_font_face(face);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	349 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	350
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	351 DARRAY(scaled_fonts_lst, mb_scaled_font_t *);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	352 DARRAY_DEFINE(scaled_fonts_lst, mb_scaled_font_t *);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	353 DARRAY(style_blks_lst, mb_style_blk_t);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	354 DARRAY_DEFINE_ADV(style_blks_lst, mb_style_blk_t);
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	355 DARRAY(extents_lst, mb_text_extents_t);
aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	356 DARRAY_DEFINE_ADV(extents_lst, mb_text_extents_t);
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	357
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	358 /*! \brief A simple implementation of text shape.
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	359 *
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	360 */
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	361 typedef struct _sh_stext {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	362 shape_t shape;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	363 const char txt; /!< \brief Text to be showed */
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	364 style_blks_lst_t style_blks;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	365 co_aix x, y;
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	366 co_aix dx, dy;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	367 scaled_fonts_lst_t scaled_fonts;
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	368 mb_text_extents_t extents;
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	369 extents_lst_t sub_exts;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	370 } sh_stext_t;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	371
419 7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	372 static
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	373 void _rdman_shape_stext_free(shape_t *shape) {
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	374 sh_stext_t txt_o = (sh_stext_t )shape;
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	375 int i;
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	376
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	377 DARRAY_DESTROY(&txt_o->style_blks);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	378
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	379 for(i = 0; i < txt_o->scaled_fonts.num; i++)
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	380 scaled_font_free(txt_o->scaled_fonts.ds[i]);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	381 DARRAY_DESTROY(&txt_o->scaled_fonts);
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	382 DARRAY_DESTROY(&txt_o->sub_exts);
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	383
419 7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	384 if(txt_o->txt)
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	385 free((void *)txt_o->txt);
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	386
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	387 free(txt_o);
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	388 }
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	389
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	390 shape_t rdman_shape_stext_new(redraw_man_t rdman, co_aix x, co_aix y,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	391 const char *txt) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	392 sh_stext_t *txt_o;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	393
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	394 ASSERT(txt != NULL);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	395
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	396 txt_o = (sh_stext_t *)malloc(sizeof(sh_stext_t));
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	397 if(txt_o == NULL)
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	398 return NULL;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	399
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	400 memset(&txt_o->shape, 0, sizeof(shape_t));
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	401 mb_obj_init(txt_o, MBO_STEXT);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	402
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	403 txt_o->txt = strdup(txt);
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	404 DARRAY_INIT(&txt_o->style_blks);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	405 txt_o->x = x;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	406 txt_o->y = y;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	407 DARRAY_INIT(&txt_o->scaled_fonts);
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	408 DARRAY_INIT(&txt_o->sub_exts);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	409
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	410 if(txt_o->txt == NULL) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	411 free(txt_o);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	412 txt_o = NULL;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	413 }
419 7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	414
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	415 txt_o->shape.free = _rdman_shape_stext_free;
418 af6adacbed07 Make sh_stext object managed by rdman. Thinker K.F. Li <thinker@branda.to> parents: 417 diff changeset	416
af6adacbed07 Make sh_stext object managed by rdman. Thinker K.F. Li <thinker@branda.to> parents: 417 diff changeset	417 rdman_shape_man(rdman, (shape_t *)txt_o);
af6adacbed07 Make sh_stext object managed by rdman. Thinker K.F. Li <thinker@branda.to> parents: 417 diff changeset	418
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	419 return (shape_t *)txt_o;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	420 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	421
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	422 static
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	423 int compute_utf8_chars_sz(const char *txt, int n_chars) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	424 int i;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	425 const char *p = txt;
415 fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	426 const char *v;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	427
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	428 for(i = 0; i < n_chars && *p; i++) {
415 fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	429 if(!(p & 0x80)) / single byte */
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	430 p++;
415 fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	431 else if((p & 0xe0) == 0xc0) / 2 bytes */
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	432 p += 2;
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	433 else if((p & 0xf0) == 0xe0) / 3 bytes */
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	434 p += 3;
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	435 else if((p & 0xf8) == 0xf0) / 4 bytes */
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	436 p += 4;
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	437 else
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	438 return ERR;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	439 }
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	440 if(i < n_chars)
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	441 return ERR;
415 fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	442
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	443 for(v = txt; v != p; v++)
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	444 if(*v == '\x0')
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	445 return ERR;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	446
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	447 return p - txt;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	448 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	449
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	450 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	451 mb_scaled_font_t make_scaled_font_face(sh_stext_t txt_o,
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	452 mb_font_face_t *face,
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	453 co_aix shift_x, co_aix shift_y,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	454 co_aix font_sz) {
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	455 co_aix matrix[6], scaled_matrix[6];
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	456 co_aix *aggr;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	457 mb_scaled_font_t *scaled;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	458
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	459 aggr = sh_get_aggr_matrix((shape_t *)txt_o);
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	460 matrix[0] = font_sz;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	461 matrix[1] = 0;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	462 matrix[2] = shift_x;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	463 matrix[3] = 0;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	464 matrix[4] = font_sz;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	465 matrix[5] += shift_y;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	466 matrix_mul(aggr, matrix, scaled_matrix);
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	467
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	468 scaled = make_scaled_font_face_matrix(face, scaled_matrix);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	469
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	470 return scaled;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	471 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	472
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	473 /*! \brief Extend an extents from another sub-extents.
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	474 *
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	475 * A styled text is styled by several styled blocks, so extents of
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	476 * blocks should be computed separated, collected, and aggreagated
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	477 * into a full extents.
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	478 */
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	479 static
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	480 void extent_extents(mb_text_extents_t full, mb_text_extents_t sub) {
407 92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	481 co_aix f_rbx, f_rby; /* rb stands for right button */
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	482 co_aix s_rbx, s_rby;
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	483 co_aix s_xbr, s_ybr;
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	484 co_aix new_x_adv, new_y_adv;
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	485
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	486 f_rbx = MBE_GET_X_BEARING(full) + MBE_GET_WIDTH(full);
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	487 f_rby = MBE_GET_Y_BEARING(full) + MBE_GET_HEIGHT(full);
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	488 s_xbr = MBE_GET_X_BEARING(sub) + MBE_GET_X_ADV(full);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	489 s_ybr = MBE_GET_Y_BEARING(sub) + MBE_GET_Y_ADV(full);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	490 s_rbx = s_xbr + MBE_GET_WIDTH(sub);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	491 s_rby = s_ybr + MBE_GET_HEIGHT(sub);
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	492
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	493 /* set bearing */
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	494 if(MBE_GET_X_BEARING(full) > s_xbr)
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	495 MBE_SET_X_BEARING(full, s_xbr);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	496 if(MBE_GET_Y_BEARING(full) > s_ybr)
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	497 MBE_SET_Y_BEARING(full, s_ybr);
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	498
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	499 /* set width/height */
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	500 if(f_rbx < s_rbx)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	501 MBE_SET_WIDTH(full, s_rbx - MBE_GET_X_BEARING(full));
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	502 else
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	503 MBE_SET_WIDTH(full, f_rbx - MBE_GET_X_BEARING(full));
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	504 if(f_rby < s_rby)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	505 MBE_SET_HEIGHT(full, s_rby - MBE_GET_Y_BEARING(full));
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	506 else
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	507 MBE_SET_HEIGHT(full, f_rby - MBE_GET_Y_BEARING(full));
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	508
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	509 /* set x/y advance */
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	510 new_x_adv = MBE_GET_X_ADV(full) + MBE_GET_X_ADV(sub);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	511 new_y_adv = MBE_GET_Y_ADV(full) + MBE_GET_Y_ADV(sub);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	512 MBE_SET_X_ADV(full, new_x_adv);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	513 MBE_SET_Y_ADV(full, new_y_adv);
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	514 }
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	515
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	516 /*! \brief Compute extents of a stext object according style blocks.
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	517 *
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	518 * It create scaled fonts for style blocks, compute their extents,
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	519 * and compute where they should be draw acoording advance of style
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	520 * blocks before a style block.
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	521 *
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	522 * The scaled font that is created by this function for style blocks
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	523 * are drawed at origin. So, extents of these blocks are also based
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	524 * on that the text are drawed at origin of user space. But,
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	525 * aggreagated extents (sh_stext_t::extents) accounts x/y advances
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	526 * to create correct extents for full text string with style blocks.
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	527 *
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	528 * This function assumes texts are always drawed at 0, 0. So,
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	529 * transform function should adjust x and y bearing corresponding
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	530 * x, y of text to compute area.
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	531 */
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	532 static
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	533 void compute_styled_extents_n_scaled_font(sh_stext_t *txt_o) {
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	534 mb_style_blk_t *blk;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	535 style_blks_lst_t *style_blks;
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	536 int blk_txt_len;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	537 mb_scaled_font_t *scaled;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	538 scaled_fonts_lst_t *scaled_fonts;
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	539 extents_lst_t *sub_exts;
aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	540 mb_text_extents_t *sub;
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	541 char *txt, saved;
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	542 int i, nscaled;
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	543
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	544 memset(&txt_o->extents, sizeof(mb_text_extents_t), 0);
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	545
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	546 scaled_fonts = &txt_o->scaled_fonts;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	547 for(i = 0; i < scaled_fonts->num; i++)
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	548 scaled_font_free(scaled_fonts->ds[i]);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	549 DARRAY_CLEAN(scaled_fonts);
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	550
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	551 style_blks = &txt_o->style_blks;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	552 blk = style_blks->ds;
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	553
aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	554 sub_exts = &txt_o->sub_exts;
aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	555 DARRAY_CLEAN(sub_exts);
aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	556 extents_lst_adv(sub_exts, style_blks->num);
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	557
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	558 txt = (char *)txt_o->txt;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	559 for(i = 0; i < style_blks->num; i++) {
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	560 scaled = make_scaled_font_face(txt_o, blk->face,
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	561 0, 0, blk->font_sz);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	562 ASSERT(scaled != NULL);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	563 scaled_fonts_lst_add(scaled_fonts, scaled);
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	564 sub = sub_exts->ds + i;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	565
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	566 blk_txt_len = compute_utf8_chars_sz(txt, blk->n_chars);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	567 ASSERT(blk_txt_len != ERR);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	568
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	569 saved = txt[blk_txt_len];
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	570 txt[blk_txt_len] = 0;
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	571 compute_text_extents(scaled, txt, sub);
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	572 txt[blk_txt_len] = saved;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	573
426 aa320386072c Keep sub-extents for style blocks. Thinker K.F. Li <thinker@branda.to> parents: 425 diff changeset	574 extent_extents(&txt_o->extents, sub);
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	575
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	576 blk++;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	577 txt += blk_txt_len;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	578 }
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	579 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	580
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	581 /*
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	582 * What we have to do in sh_stext_transform() is
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	583 * - computing bounding box for the text,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	584 * - computing offset x,y for the text of style blocks,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	585 * - free old scaled fonts, and
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	586 * - making scaled fonts for style blocks.
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	587 *
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	588 * Extents of style blocks are computed with x,y at 0,0.
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	589 * So, we should add x,y, after transforming by the aggreagated matrix,
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	590 * to output area.
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	591 */
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	592 void sh_stext_transform(shape_t *shape) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	593 sh_stext_t txt_o = (sh_stext_t )shape;
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	594 area_t *area;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	595 mb_text_extents_t *ext;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	596 co_aix *aggr;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	597
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	598 ASSERT(txt_o != NULL);
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	599
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	600 aggr = sh_get_aggr_matrix(shape);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	601
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	602 txt_o->dx = txt_o->x;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	603 txt_o->dy = txt_o->y;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	604 matrix_trans_pos(aggr, &txt_o->dx, &txt_o->dy);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	605
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	606 compute_styled_extents_n_scaled_font(txt_o);
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	607 ext = &txt_o->extents;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	608
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	609 area = sh_get_area(shape);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	610 area->x = MBE_GET_X_BEARING(ext) + txt_o->dx;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	611 area->y = MBE_GET_Y_BEARING(ext) + txt_o->dy;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	612 area->w = MBE_GET_WIDTH(ext);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	613 area->h = MBE_GET_HEIGHT(ext);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	614 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	615
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	616 void sh_stext_draw(shape_t shape, cairo_t cr) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	617 sh_stext_t txt_o = (sh_stext_t )shape;
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	618 co_aix x, y;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	619 const char *txt;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	620 scaled_fonts_lst_t *scaled_fonts;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	621 mb_scaled_font_t *scaled;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	622 style_blks_lst_t *style_blks;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	623 mb_style_blk_t *blk;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	624 mb_text_extents_t *ext;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	625 int blk_txt_len;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	626 int i;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	627
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	628 ASSERT(txt_o != NULL);
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	629
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	630 x = txt_o->dx;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	631 y = txt_o->dy;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	632 txt = txt_o->txt;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	633 scaled_fonts = &txt_o->scaled_fonts;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	634 style_blks = &txt_o->style_blks;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	635 ext = txt_o->sub_exts.ds;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	636
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	637 for(i = 0; i < scaled_fonts->num; i++) {
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	638 scaled = scaled_fonts->ds[i];
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	639 blk = style_blks->ds + i;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	640 blk_txt_len = compute_utf8_chars_sz(txt, blk->n_chars);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	641 draw_text_scaled(cr, txt, blk_txt_len, scaled, x, y);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	642
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	643 x += MBE_GET_X_ADV(ext);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	644 y += MBE_GET_Y_ADV(ext);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	645 txt += blk_txt_len;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	646 }
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	647 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	648
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	649 int sh_stext_set_text(shape_t shape, const char txt) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	650 sh_stext_t txt_o = (sh_stext_t )shape;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	651 char *new_txt;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	652 int sz;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	653
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	654 ASSERT(txt_o != NULL);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	655 ASSERT(txt != NULL);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	656
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	657 sz = strlen(txt) + 1;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	658 new_txt = (char )realloc((void )txt_o->txt, sz);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	659 if(new_txt == NULL)
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	660 return ERR;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	661
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	662 memcpy(new_txt, txt, sz);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	663 txt_o->txt = new_txt;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	664
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	665 return OK;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	666 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	667
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	668 int sh_stext_set_style(shape_t *shape,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	669 const mb_style_blk_t *blks,
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	670 int nblks) {
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	671 sh_stext_t txt_o = (sh_stext_t )shape;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	672 style_blks_lst_t *style_blks;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	673 mb_style_blk_t *new_blks;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	674 int sz;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	675
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	676 ASSERT(txt_o != NULL);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	677 ASSERT(nblks >= 0);
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	678
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	679 style_blks = &txt_o->style_blks;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	680 DARRAY_CLEAN(style_blks);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	681 style_blks_lst_adv(style_blks, nblks);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	682
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	683 memcpy(style_blks->ds,
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	684 blks, nblks * sizeof(mb_style_blk_t));
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	685
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	686 return OK;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	687 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	688
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	689 #ifdef UNITTEST
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	690
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	691 #include <CUnit/Basic.h>
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	692
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	693 static
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	694 void test_query_font_face(void) {
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	695 mb_font_face_t *face;
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	696 cairo_status_t status;
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	697
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	698 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	699 CU_ASSERT(face != NULL);
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	700 status = cairo_font_face_status((cairo_font_face_t *)face);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	701 CU_ASSERT(status == CAIRO_STATUS_SUCCESS);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	702
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	703 free_font_face(face);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	704 }
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	705
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	706 static
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	707 void test_make_scaled_font_face_matrix(void) {
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	708 co_aix matrix[6] = {5, 0, 0, 0, 5, 0};
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	709 mb_font_face_t *face;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	710 mb_scaled_font_t *scaled;
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	711 cairo_status_t status;
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	712
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	713 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	714 CU_ASSERT(face != NULL);
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	715 status = cairo_font_face_status((cairo_font_face_t *)face);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	716 CU_ASSERT(status == CAIRO_STATUS_SUCCESS);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	717
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	718 scaled = make_scaled_font_face_matrix(face, matrix);
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	719 CU_ASSERT(scaled != NULL);
420 485c563514f4 Casting pointer to cease warning messages. Thinker K.F. Li <thinker@branda.to> parents: 419 diff changeset	720 status = cairo_scaled_font_status((cairo_scaled_font_t *)scaled);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	721 CU_ASSERT(status == CAIRO_STATUS_SUCCESS);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	722
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	723 scaled_font_free(scaled);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	724 free_font_face(face);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	725 }
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	726
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	727 static
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	728 void test_compute_text_extents(void) {
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	729 co_aix matrix[6] = {10, 0, 0, 0, 10, 0};
423 3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	730 co_aix x_adv1, x_adv2;
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	731 co_aix x_bearing1, x_bearing2;
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	732 mb_font_face_t *face;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	733 mb_scaled_font_t *scaled;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	734 mb_text_extents_t ext;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	735
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	736 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	737 CU_ASSERT(face != NULL)
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	738 scaled = make_scaled_font_face_matrix(face, matrix);
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	739 CU_ASSERT(scaled != NULL);
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	740
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	741 compute_text_extents(scaled, "test", &ext);
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	742 CU_ASSERT(MBE_GET_HEIGHT(&ext) >= 5 && MBE_GET_HEIGHT(&ext) <= 12);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	743 CU_ASSERT(MBE_GET_WIDTH(&ext) >= 16 && MBE_GET_WIDTH(&ext) <= 48);
423 3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	744 x_adv1 = MBE_GET_X_ADV(&ext);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	745 x_bearing1 = MBE_GET_X_BEARING(&ext);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	746 scaled_font_free(scaled);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	747
423 3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	748 matrix[2] = 5;
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	749 scaled = make_scaled_font_face_matrix(face, matrix);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	750 CU_ASSERT(scaled != NULL);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	751
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	752 compute_text_extents(scaled, "test", &ext);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	753 CU_ASSERT(MBE_GET_HEIGHT(&ext) >= 5 && MBE_GET_HEIGHT(&ext) <= 12);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	754 CU_ASSERT(MBE_GET_WIDTH(&ext) >= 16 && MBE_GET_WIDTH(&ext) <= 48);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	755 x_adv2 = MBE_GET_X_ADV(&ext);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	756 x_bearing2 = MBE_GET_X_BEARING(&ext);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	757 scaled_font_free(scaled);
423 3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	758
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	759 CU_ASSERT(x_adv1 == x_adv2);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	760 CU_ASSERT((x_bearing1 + 5) == x_bearing2);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	761
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	762 free_font_face(face);
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	763 }
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	764
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	765 static
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	766 void test_extent_extents(void) {
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	767 mb_text_extents_t ext1, ext2;
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	768
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	769 MBE_SET_WIDTH(&ext1, 20);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	770 MBE_SET_HEIGHT(&ext1, 10);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	771 MBE_SET_X_BEARING(&ext1, 1);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	772 MBE_SET_Y_BEARING(&ext1, -8);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	773 MBE_SET_X_ADV(&ext1, 21);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	774 MBE_SET_Y_ADV(&ext1, -3);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	775
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	776 MBE_SET_WIDTH(&ext2, 30);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	777 MBE_SET_HEIGHT(&ext2, 11);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	778 MBE_SET_X_BEARING(&ext2, 2);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	779 MBE_SET_Y_BEARING(&ext2, -11);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	780 MBE_SET_X_ADV(&ext2, 32);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	781 MBE_SET_Y_ADV(&ext2, -5);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	782
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	783 extent_extents(&ext1, &ext2);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	784
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	785 CU_ASSERT(MBE_GET_WIDTH(&ext1) == 52);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	786 CU_ASSERT(MBE_GET_HEIGHT(&ext1) == 16);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	787 CU_ASSERT(MBE_GET_X_BEARING(&ext1) == 1);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	788 CU_ASSERT(MBE_GET_Y_BEARING(&ext1) == -14);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	789 CU_ASSERT(MBE_GET_X_ADV(&ext1) == 53);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	790 CU_ASSERT(MBE_GET_Y_ADV(&ext1) == -8);
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	791 }
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	792
415 fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	793 static
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	794 void test_compute_utf8_chars_sz(void) {
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	795 const char *str = "\xe4\xb8\xad\xe6\x96\x87test\xe6\xb8\xac\xe8\xa9\xa6";
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	796 int sz;
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	797
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	798 sz = compute_utf8_chars_sz(str, 4);
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	799 CU_ASSERT(sz == 8);
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	800
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	801 sz = compute_utf8_chars_sz(str, 9);
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	802 CU_ASSERT(sz == ERR);
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	803 }
fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	804
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	805 static
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	806 void test_compute_styled_extents_n_scaled_font(void) {
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	807 sh_stext_t *txt_o;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	808 co_aix *aggr;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	809 mb_style_blk_t blks[2];
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	810 mb_font_face_t *face;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	811 mb_text_extents_t *ext;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	812 int r;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	813
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	814 txt_o = (sh_stext_t )rdman_shape_stext_new((redraw_man_t )NULL,
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	815 10, 15, "Hello World");
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	816 CU_ASSERT(txt_o != NULL);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	817
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	818 aggr = txt_o->shape.aggr;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	819 aggr[0] = 1;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	820 aggr[1] = 0;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	821 aggr[2] = 0;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	822 aggr[3] = 0;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	823 aggr[4] = 1;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	824 aggr[5] = 0;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	825
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	826 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	827 CU_ASSERT(face != NULL);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	828
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	829 blks[0].n_chars = 5;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	830 blks[0].face = face;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	831 blks[0].font_sz = 10;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	832
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	833 blks[1].n_chars = 4;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	834 blks[1].face = face;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	835 blks[1].font_sz = 15.5;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	836
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	837 r = sh_stext_set_style((shape_t *)txt_o, blks, 2);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	838 CU_ASSERT(r == OK);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	839
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	840 compute_styled_extents_n_scaled_font(txt_o);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	841
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	842 ext = &txt_o->extents;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	843 CU_ASSERT(MBE_GET_HEIGHT(ext) > 11);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	844 CU_ASSERT(MBE_GET_HEIGHT(ext) < 20);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	845 CU_ASSERT(MBE_GET_WIDTH(ext) > 36);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	846 CU_ASSERT(MBE_GET_WIDTH(ext) < 72);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	847 CU_ASSERT(MBE_GET_X_ADV(ext) > 36);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	848 CU_ASSERT(MBE_GET_X_ADV(ext) < 72);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	849 CU_ASSERT(MBE_GET_Y_ADV(ext) == 0);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	850
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	851 _rdman_shape_stext_free((shape_t *)txt_o);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	852 free_font_face(face);
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	853 }
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	854
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	855 static
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	856 void test_sh_stext_transform(void) {
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	857 sh_stext_t *txt_o;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	858 mb_style_blk_t blks[2];
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	859 co_aix *aggr;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	860 mb_font_face_t *face;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	861 area_t *area;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	862 int r;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	863
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	864 txt_o = (sh_stext_t *)rdman_shape_stext_new(NULL, 100, 50, "hello world");
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	865 CU_ASSERT(txt_o != NULL);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	866
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	867 aggr = txt_o->shape.aggr;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	868 aggr[0] = 2;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	869 aggr[1] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	870 aggr[2] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	871 aggr[3] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	872 aggr[4] = 1;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	873 aggr[5] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	874
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	875 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	876 CU_ASSERT(face != NULL);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	877
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	878 blks[0].n_chars = 5;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	879 blks[0].face = face;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	880 blks[0].font_sz = 10;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	881
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	882 blks[1].n_chars = 4;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	883 blks[1].face = face;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	884 blks[1].font_sz = 15.5;
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	885
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	886 r = sh_stext_set_style((shape_t *)txt_o, blks, 2);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	887 CU_ASSERT(r == OK);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	888
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	889 sh_stext_transform((shape_t *)txt_o);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	890
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	891 area = sh_get_area((shape_t *)txt_o);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	892 CU_ASSERT(area->x >= 200 && area->x < 220);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	893 CU_ASSERT(area->y >= 40 && area->y < 50);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	894 CU_ASSERT(area->w >= 80 && area->w < 120);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	895 CU_ASSERT(area->h >= 8 && area->h < 12);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	896
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	897 _rdman_shape_stext_free((shape_t *)txt_o);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	898 free_font_face(face);
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	899 }
585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	900
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	901 static
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	902 void test_sh_stext_draw(void) {
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	903 sh_stext_t *txt_o;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	904 mb_style_blk_t blks[2];
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	905 co_aix *aggr;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	906 mb_font_face_t *face;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	907 area_t *area;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	908 int r;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	909
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	910 txt_o = (sh_stext_t *)rdman_shape_stext_new(NULL, 100, 50, "hello world");
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	911 CU_ASSERT(txt_o != NULL);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	912
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	913 aggr = txt_o->shape.aggr;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	914 aggr[0] = 2;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	915 aggr[1] = 0;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	916 aggr[2] = 0;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	917 aggr[3] = 0;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	918 aggr[4] = 1;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	919 aggr[5] = 0;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	920
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	921 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	922 CU_ASSERT(face != NULL);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	923
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	924 blks[0].n_chars = 5;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	925 blks[0].face = face;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	926 blks[0].font_sz = 10;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	927
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	928 blks[1].n_chars = 6;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	929 blks[1].face = face;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	930 blks[1].font_sz = 15.5;
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	931
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	932 r = sh_stext_set_style((shape_t *)txt_o, blks, 2);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	933 CU_ASSERT(r == OK);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	934
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	935 sh_stext_transform((shape_t *)txt_o);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	936
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	937 sh_stext_draw((shape_t *)txt_o, NULL);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	938 CU_ASSERT(move_cnt == 2);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	939 CU_ASSERT(move_xys[0][0] == 200);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	940 CU_ASSERT(move_xys[0][1] == 50);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	941 CU_ASSERT(move_xys[1][0] >= 240 && move_xys[1][0] < 270);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	942 CU_ASSERT(move_xys[1][1] == 50);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	943
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	944 _rdman_shape_stext_free((shape_t *)txt_o);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	945 free_font_face(face);
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	946 }
8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	947
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	948 #include <CUnit/Basic.h>
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	949 CU_pSuite get_stext_suite(void) {
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	950 CU_pSuite suite;
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	951
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	952 suite = CU_add_suite("Suite_stext", NULL, NULL);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	953 CU_ADD_TEST(suite, test_query_font_face);
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	954 CU_ADD_TEST(suite, test_make_scaled_font_face_matrix);
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	955 CU_ADD_TEST(suite, test_compute_text_extents);
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	956 CU_ADD_TEST(suite, test_extent_extents);
415 fef1b8076041 Make compute_utf8_chars_sz to compute length of n UTF 8 characters correctly. Thinker K.F. Li <thinker@branda.to> parents: 414 diff changeset	957 CU_ADD_TEST(suite, test_compute_utf8_chars_sz);
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	958 CU_ADD_TEST(suite, test_compute_styled_extents_n_scaled_font);
424 585baa462778 Make sh_stext_transform() pass first test case for him. Thinker K.F. Li <thinker@branda.to> parents: 423 diff changeset	959 CU_ADD_TEST(suite, test_sh_stext_transform);
427 8f900da42eed Make sh_text_draw() passes first test case. Thinker K.F. Li <thinker@branda.to> parents: 426 diff changeset	960 CU_ADD_TEST(suite, test_sh_stext_draw);
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	961
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	962 return suite;
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	963 }
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	964
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	965 #endif /* UNITTEST */

Mercurial > MadButterfly

annotate src/shape_stext.c @ 427:8f900da42eed