MadButterfly: src/shape_stext.c annotate

annotate src/shape_stext.c @ 423:3ba48126c49c

Check bearing and advance of text_extents.

author	Thinker K.F. Li <thinker@branda.to>
date	Tue, 28 Jul 2009 15:11:42 +0800
parents	c6c0d017dc8e
children	585baa462778

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
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	9 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	10 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	11 void (free)(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	12 } 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	13 #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	14
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	15 #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	16 #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	17
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	18 #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	19 #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	20 #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	21 #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	22
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	23 #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	24 #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	25 #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	26 #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	27 #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	28
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	29 #endif /* UNITTEST */
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	30
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 #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	32 #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	33 #endif
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 #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	35 #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	36
407 92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	37 /*! \page stext Simple Text
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	38 *
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	39 * 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	40 * 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	41 * 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	42 * styled block.
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	43 */
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	44
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	45 /*! \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	46 *
411 1633551e495d Add doc Thinker K.F. Li <thinker@branda.to> parents: 410 diff changeset	47 * 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	48 * It bases on fontconfig and FreeType supporting of Cairo.
411 1633551e495d Add doc Thinker K.F. Li <thinker@branda.to> parents: 410 diff changeset	49 * 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	50 * 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	51 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	52 * @{
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	53 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	54 /*! \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	55 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	56 * 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	57 * 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	58 * should known it.
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	59 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	60 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	61
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	62 /*! \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	63 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	64 * 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	65 * programmers should assume it is opague.
407 92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	66 *
92a459a1c5aa more comment Thinker K.F. Li <thinker@branda.to> parents: 403 diff changeset	67 * 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	68 * 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	69 * 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	70 * 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	71 * 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	72 * 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	73 * 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	74 * 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	75 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	76 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	77
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	78 #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	79 #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	80 #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	81 #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	82 #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	83 #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	84 #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	85 #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	86 #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	87 #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	88 #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	89 #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	90
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	91 /*! \brief Find out a font pattern.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	92 *
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	93 * 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	94 * 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	95 *
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	96 * \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	97 * \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	98 */
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	99 static
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	100 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	101 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	102 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	103 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	104 FcBool r;
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	105 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	106 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	107 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	108 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	109 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	110 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	111
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	112 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	113 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	114 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	115 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	116 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	117
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	118 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	119 val.u.s = family;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	120 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	121
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	122 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	123 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	124 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	125
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	126 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	127 val.u.i = weight;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	128 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	129
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	130 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	131 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	132 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	133
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	134 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	135 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	136 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	137
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 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	139
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	140 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	141
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	142 /* 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	143 * 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	144 */
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	145 #if 0
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	146 if(result != FcResultMatch) {
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	147 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	148 goto err;
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	149 }
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	150 #endif
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	151 if(fn_ptn == NULL)
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	152 goto err;
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	153
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	154 FcPatternDestroy(ptn);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	155 FcPatternDestroy(p);
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	156
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	157 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	158
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	159 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	160 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	161 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	162 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	163 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	164 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	165
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 }
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	167
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	168 /*! \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	169 *
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	170 * 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	171 * 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	172 * You can replace this function with other font mechanisms.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	173 */
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	174 static
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	175 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	176 cairo_font_face_t *cface;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	177 FcPattern *ptn;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	178
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	179 ptn = query_font_pattern(family, slant, weight);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	180 cface = cairo_ft_font_face_create_for_pattern(ptn);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	181 FcPatternDestroy(ptn);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	182
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	183 return (mb_font_face_t *)cface;
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	184 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	185
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	186 static
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	187 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	188 ASSERT(face == NULL);
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	189
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	190 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	191 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	192
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	193 /*! \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	194 *
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	195 * 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	196 * 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	197 * 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	198 * 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	199 * user space of cairo surface.
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	200 */
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	201 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	202 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	203 co_aix *matrix) {
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	204 cairo_scaled_font_t *scaled_font;
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	205 cairo_matrix_t font_matrix;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	206 static cairo_matrix_t id = {
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	207 1, 0,
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	208 0, 1,
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	209 0, 0
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	210 };
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	211 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	212
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	213 ASSERT(matrix != NULL);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	214
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	215 if(opt == NULL) {
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	216 opt = cairo_font_options_create();
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	217 if(opt == NULL)
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	218 return NULL;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	219 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	220
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	221 font_matrix.xx = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	222 font_matrix.xy = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	223 font_matrix.x0 = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	224 font_matrix.yx = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	225 font_matrix.yy = *matrix++;
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	226 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	227 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	228 &font_matrix,
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	229 &id, opt);
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	230
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	231 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	232 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	233
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	234 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	235 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	236 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	237 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	238
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	239 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	240 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	241 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	242 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	243 txt,
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	244 (cairo_text_extents_t *)extents);
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	245 }
d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	246
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	247 static
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	248 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	249 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	250
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	251 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	252 return extents;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	253 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	254
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	255 static
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	256 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	257 free(extents);
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	258 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	259
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	260 /* @} */
395 d30b575a4ad4 Add fontconfig layer Thinker K.F. Li <thinker@branda.to> parents: 394 diff changeset	261
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	262 /*! \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	263 *
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	264 * 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	265 * 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	266 * 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	267 * 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	268 *
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	269 * \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	270 * \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	271 * \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	272 */
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	273 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	274 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	275 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	276 int weight) {
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	277 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	278 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	279
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	280 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	281 ASSERT(face != NULL);
396 7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer Thinker K.F. Li <thinker@branda.to> parents: 395 diff changeset	282 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	283 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	284
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	285 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	286 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	287 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	288 DARRAY_DEFINE_ADV(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	289
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	290 /*! \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	291 *
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	292 */
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	293 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	294 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	295 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	296 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	297 co_aix x, y;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	298 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	299 mb_text_extents_t extents;
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	300 } 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	301
419 7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	302 static
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	303 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	304 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	305 int i;
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	306
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	307 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	308
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	309 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	310 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	311 DARRAY_DESTROY(&txt_o->scaled_fonts);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	312
419 7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	313 if(txt_o->txt)
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	314 free((void *)txt_o->txt);
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	315
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	316 free(txt_o);
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	317 }
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	318
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	319 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	320 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	321 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	322
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	323 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	324
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	325 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	326 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	327 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	328
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	329 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	330 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	331
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	332 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	333 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	334 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	335 txt_o->y = y;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	336 DARRAY_INIT(&txt_o->scaled_fonts);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	337
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	338 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	339 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	340 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	341 }
419 7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	342
7c921fda21be Set free function for sh_stext. Thinker K.F. Li <thinker@branda.to> parents: 418 diff changeset	343 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	344
af6adacbed07 Make sh_stext object managed by rdman. Thinker K.F. Li <thinker@branda.to> parents: 417 diff changeset	345 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	346
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	347 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	348 }
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 static
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	351 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	352 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	353 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	354 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	355
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	356 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	357 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	358 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	359 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	360 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	361 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	362 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	363 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	364 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	365 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	366 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	367 }
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	368 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	369 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	370
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	371 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	372 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	373 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	374
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	375 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	376 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	377
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	378 static
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	379 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	380 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	381 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	382 co_aix font_sz) {
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	383 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	384 co_aix *aggr;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	385 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	386
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	387 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	388 matrix[0] = font_sz;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	389 matrix[1] = 0;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	390 matrix[2] = shift_x;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	391 matrix[3] = 0;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	392 matrix[4] = font_sz;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	393 matrix[5] += shift_y;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	394 matrix_mul(aggr, matrix, scaled_matrix);
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	395
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	396 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	397
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 scaled;
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
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	401 /*! \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	402 *
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	403 * 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	404 * 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	405 * into a full extents.
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	406 */
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	407 static
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	408 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	409 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	410 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	411 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	412 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	413
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	414 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	415 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	416 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	417 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	418 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	419 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	420
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	421 /* 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	422 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	423 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	424 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	425 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	426
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	427 /* set width/height */
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	428 if(f_rbx < s_rbx)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	429 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	430 else
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	431 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	432 if(f_rby < s_rby)
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	433 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	434 else
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	435 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	436
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	437 /* 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	438 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	439 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	440 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	441 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	442 }
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	443
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	444 /*! \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	445 *
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	446 * 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	447 * 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	448 * 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	449 *
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	450 * 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	451 * 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	452 * 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	453 * 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	454 * to create correct extents for full text string with style blocks.
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	455 */
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	456 static
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	457 void compute_styled_extents_n_scaled_font(sh_stext_t *txt_o) {
aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	458 mb_text_extents_t sub_extents;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	459 mb_style_blk_t *blk;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	460 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	461 int blk_txt_len;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	462 mb_scaled_font_t *scaled;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	463 scaled_fonts_lst_t *scaled_fonts;
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	464 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	465 int i, nscaled;
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	466
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	467 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	468
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	469 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	470 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	471 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	472 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	473
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	474 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	475 blk = style_blks->ds;
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	476
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	477 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	478 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	479 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	480 0, 0, blk->font_sz);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	481 ASSERT(scaled != NULL);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	482 scaled_fonts_lst_add(scaled_fonts, 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	483
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	484 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	485 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	486
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	487 saved = txt[blk_txt_len];
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	488 txt[blk_txt_len] = 0;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	489 compute_text_extents(scaled, txt, &sub_extents);
397 55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	490 txt[blk_txt_len] = saved;
55f38c2cdb8f Refactor function of computing text extents Thinker K.F. Li <thinker@branda.to> parents: 396 diff changeset	491
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	492 extent_extents(&txt_o->extents, &sub_extents);
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	493
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	494 blk++;
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	495 txt += blk_txt_len;
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	496 }
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	497 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	498
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	499 /*
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	500 * 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	501 * - 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	502 * - 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	503 * - 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	504 * - making scaled fonts for 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	505 */
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	506 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	507 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	508
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	509 ASSERT(txt_o != NULL);
403 aee0f66b1154 Compute extents of a styled text Thinker K.F. Li <thinker@branda.to> parents: 397 diff changeset	510 compute_styled_extents_n_scaled_font(txt_o);
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	511 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	512
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	513 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	514 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	515
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	516 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	517 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	518
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	519 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	520 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	521 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	522 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	523
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	524 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	525 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	526
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	527 sz = strlen(txt) + 1;
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	528 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	529 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	530 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	531
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	532 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	533 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	534
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	535 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	536 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	537
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	538 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	539 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	540 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	541 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	542 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	543 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	544 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	545
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	546 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	547 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	548
422 c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	549 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	550 DARRAY_CLEAN(style_blks);
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	551 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	552
c6c0d017dc8e Use DARRAY to manage variable length list Thinker K.F. Li <thinker@branda.to> parents: 421 diff changeset	553 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	554 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	555
393 27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	556 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	557 }
27774b93521e Add sh_stext_t to implement a simple version of text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	558
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	559 #ifdef UNITTEST
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	560
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	561 #include <CUnit/Basic.h>
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	562
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	563 static
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	564 void test_query_font_face(void) {
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	565 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	566 cairo_status_t status;
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	567
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	568 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	569 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	570 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	571 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	572
35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	573 free_font_face(face);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	574 }
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	575
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	576 static
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	577 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	578 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	579 mb_font_face_t *face;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	580 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	581 cairo_status_t status;
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	582
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	583 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	584 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	585 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	586 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	587
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	588 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	589 CU_ASSERT(scaled != NULL);
420 485c563514f4 Casting pointer to cease warning messages. Thinker K.F. Li <thinker@branda.to> parents: 419 diff changeset	590 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	591 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	592
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	593 scaled_font_free(scaled);
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	594 free_font_face(face);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	595 }
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	596
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	597 static
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	598 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	599 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	600 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	601 co_aix x_bearing1, x_bearing2;
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	602 mb_font_face_t *face;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	603 mb_scaled_font_t *scaled;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	604 mb_text_extents_t ext;
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	605
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	606 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	607 CU_ASSERT(face != NULL)
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	608 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	609 CU_ASSERT(scaled != NULL);
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	610
a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	611 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	612 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	613 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	614 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	615 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	616 scaled_font_free(scaled);
412 a456e267279a Test cases for shape_stext. Thinker K.F. Li <thinker@branda.to> parents: 411 diff changeset	617
423 3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	618 matrix[2] = 5;
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	619 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	620 CU_ASSERT(scaled != NULL);
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	621
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	622 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	623 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	624 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	625 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	626 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	627 scaled_font_free(scaled);
423 3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	628
3ba48126c49c Check bearing and advance of text_extents. Thinker K.F. Li <thinker@branda.to> parents: 422 diff changeset	629 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	630 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	631
413 35712e4bad0e Make shape_stext.c pass test cases. Thinker K.F. Li <thinker@branda.to> parents: 412 diff changeset	632 free_font_face(face);
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	633 }
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	634
414 bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	635 static
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	636 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	637 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	638
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	639 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	640 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	641 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	642 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	643 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	644 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	645
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	646 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	647 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	648 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	649 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	650 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	651 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	652
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	653 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	654
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	655 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	656 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	657 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	658 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	659 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	660 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	661 }
bbf036c315be Fix extent_extents to make it pass the test case. Thinker K.F. Li <thinker@branda.to> parents: 413 diff changeset	662
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	663 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	664 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	665 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	666 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	667
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	668 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	669 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	670
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	671 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	672 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	673 }
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	674
421 1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	675 static
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	676 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	677 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	678 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	679 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	680 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	681 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	682 int r;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	683
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	684 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	685 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	686 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	687
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	688 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	689 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	690 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	691 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	692 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	693 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	694 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	695
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	696 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	697 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	698
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	699 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	700 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	701 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	702
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	703 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	704 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	705 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	706
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	707 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	708 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	709
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	710 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	711
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	712 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	713 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	714 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	715 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	716 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	717 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	718 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	719 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	720
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	721 _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	722 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	723 }
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test. Thinker K.F. Li <thinker@branda.to> parents: 420 diff changeset	724
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	725 #include <CUnit/Basic.h>
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	726 CU_pSuite get_stext_suite(void) {
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	727 CU_pSuite suite;
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	728
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	729 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	730 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	731 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	732 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	733 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	734 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	735 CU_ADD_TEST(suite, test_compute_styled_extents_n_scaled_font);
410 1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	736
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	737 return suite;
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	738 }
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	739
1a923ea699c1 shape_stext.c, now, is unittested. Thinker K.F. Li <thinker@branda.to> parents: 407 diff changeset	740 #endif /* UNITTEST */

Mercurial > MadButterfly

annotate src/shape_stext.c @ 423:3ba48126c49c