annotate src/shape_stext.c @ 426:aa320386072c

Keep sub-extents for style blocks. The extents for style blocks are needed by sh_stext_draw().
author Thinker K.F. Li <thinker@branda.to>
date Tue, 28 Jul 2009 15:11:42 +0800
parents 09a66063b25d
children 8f900da42eed
rev   line source
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1 #include <stdio.h>
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
2 #include <cairo.h>
394
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
3 #include <cairo-ft.h>
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
4 #include <fontconfig/fontconfig.h>
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
5 #include "mb_shapes.h"
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
6 #include "mb_tools.h"
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
7
421
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
8 #ifdef UNITTEST
425
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
9
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
10 #define UT_FAKE(r, x, param) \
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
11 r x param {}
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
12
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
13 UT_FAKE(void, sh_stext_transform, (shape_t *shape));
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
14 UT_FAKE(void, sh_stext_draw, (shape_t *shape, cairo_t *cr));
09a66063b25d Fix issue of missed function for unittest.
Thinker K.F. Li <thinker@branda.to>
parents: 424
diff changeset
15
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
16 typedef struct _ut_area {
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
17 co_aix x, y;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
18 co_aix w, h;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
19 } ut_area_t;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
20 #define area_t ut_area_t
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
21
421
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
22 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
23 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
24 void (*free)(struct _ut_shape *);
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
25 ut_area_t area;
421
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
26 } 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
27 #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
28
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
29 #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
30 #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
31
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
32 #undef sh_get_area
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
33 #define sh_get_area(sh) (&(sh)->area)
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
34
421
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
35 #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
36 #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
37 #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
38 #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
39
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
40 #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
41 #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
42 #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
43 #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
44 #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
45
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
46 #endif /* UNITTEST */
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
47
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
48 #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
49 #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
50 #endif
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
51 #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
52 #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
53
407
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
54 /*! \page stext Simple Text
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
55 *
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
56 * 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
57 * 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
58 * 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
59 * styled block.
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
60 */
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
61
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
62 /*! \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
63 *
411
1633551e495d Add doc
Thinker K.F. Li <thinker@branda.to>
parents: 410
diff changeset
64 * 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
65 * It bases on fontconfig and FreeType supporting of Cairo.
411
1633551e495d Add doc
Thinker K.F. Li <thinker@branda.to>
parents: 410
diff changeset
66 * 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
67 * 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
68 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
69 * @{
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
70 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
71 /*! \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
72 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
73 * 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
74 * 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
75 * should known it.
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
76 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
77 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
78
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
79 /*! \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
80 *
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
81 * 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
82 * programmers should assume it is opague.
407
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
83 *
92a459a1c5aa more comment
Thinker K.F. Li <thinker@branda.to>
parents: 403
diff changeset
84 * 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
85 * 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
86 * 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
87 * 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
88 * 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
89 * 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
90 * 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
91 * 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
92 */
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
93 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
94
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
95 #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
96 #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
97 #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
98 #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
99 #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
100 #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
101 #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
102 #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
103 #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
104 #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
105 #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
106 #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
107
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
108 /*! \brief Find out a font pattern.
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
109 *
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
110 * 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
111 * 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
112 *
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
113 * \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
114 * \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
115 */
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
116 static
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
117 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
118 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
119 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
120 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
121 FcBool r;
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
122 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
123 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
124 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
125 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
126 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
127 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
128
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 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
130 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
131 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
132 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
133 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
134
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 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
136 val.u.s = family;
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
137 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
138
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 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
140 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
141 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
142
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
143 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
144 val.u.i = weight;
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
145 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
146
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
147 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
148 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
149 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
150
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
151 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
152 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
153 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
154
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
155 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
156
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
157 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
158
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
159 /* 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
160 * 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
161 */
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
162 #if 0
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
163 if(result != FcResultMatch) {
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
164 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
165 goto err;
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
166 }
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
167 #endif
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
168 if(fn_ptn == NULL)
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
169 goto err;
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
170
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
171 FcPatternDestroy(ptn);
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
172 FcPatternDestroy(p);
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
173
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
174 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
175
b3d5ce48670a Use fontconfig to find out a font for a family/slant/weight pattern
Thinker K.F. Li <thinker@branda.to>
parents: 393
diff changeset
176 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
177 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
178 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
179 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
180 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
181 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
182
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
183 }
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
184
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
185 /*! \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
186 *
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
187 * 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
188 * 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
189 * You can replace this function with other font mechanisms.
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
190 */
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
191 static
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
192 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
193 cairo_font_face_t *cface;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
194 FcPattern *ptn;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
195
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
196 ptn = query_font_pattern(family, slant, weight);
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
197 cface = cairo_ft_font_face_create_for_pattern(ptn);
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
198 FcPatternDestroy(ptn);
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
199
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
200 return (mb_font_face_t *)cface;
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
201 }
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
202
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
203 static
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
204 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
205 ASSERT(face == NULL);
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
206
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
207 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
208 }
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
209
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
210 /*! \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
211 *
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
212 * 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
213 * 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
214 * 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
215 * 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
216 * user space of cairo surface.
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
217 */
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
218 static
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
219 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
220 co_aix *matrix) {
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
221 cairo_scaled_font_t *scaled_font;
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
222 cairo_matrix_t font_matrix;
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
223 static cairo_matrix_t id = {
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
224 1, 0,
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
225 0, 1,
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
226 0, 0
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
227 };
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
228 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
229
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
230 ASSERT(matrix != NULL);
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
231
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
232 if(opt == NULL) {
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
233 opt = cairo_font_options_create();
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
234 if(opt == NULL)
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
235 return NULL;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
236 }
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 font_matrix.xx = *matrix++;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
239 font_matrix.xy = *matrix++;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
240 font_matrix.x0 = *matrix++;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
241 font_matrix.yx = *matrix++;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
242 font_matrix.yy = *matrix++;
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
243 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
244 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
245 &font_matrix,
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
246 &id, opt);
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
247
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
248 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
249 }
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 static
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
252 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
253 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
254 }
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
255
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
256 static
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
257 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
258 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
259 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
260 txt,
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
261 (cairo_text_extents_t *)extents);
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
262 }
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
263
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
264 static
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
265 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
266 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
267
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
268 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
269 return extents;
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
270 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
271
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
272 static
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
273 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
274 free(extents);
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
275 }
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
276
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
277 /* @} */
395
d30b575a4ad4 Add fontconfig layer
Thinker K.F. Li <thinker@branda.to>
parents: 394
diff changeset
278
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
279 /*! \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
280 *
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
281 * 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
282 * 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
283 * 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
284 * 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
285 *
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
286 * \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
287 * \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
288 * \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
289 */
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
290 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
291 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
292 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
293 int weight) {
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
294 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
295 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
296
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
297 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
298 ASSERT(face != NULL);
396
7fe0b1ee92b6 Add extents supporting into Fontconfig and FreeType Layer
Thinker K.F. Li <thinker@branda.to>
parents: 395
diff changeset
299 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
300 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
301
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
302 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
303 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
304 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
305 DARRAY_DEFINE_ADV(style_blks_lst, mb_style_blk_t);
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
306 DARRAY(extents_lst, mb_text_extents_t);
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
307 DARRAY_DEFINE_ADV(extents_lst, mb_text_extents_t);
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
308
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
309 /*! \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
310 *
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
311 */
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
312 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
313 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
314 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
315 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
316 co_aix x, y;
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
317 co_aix dx, dy;
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
318 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
319 mb_text_extents_t extents;
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
320 extents_lst_t sub_exts;
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
321 } 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
322
419
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
323 static
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
324 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
325 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
326 int i;
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
327
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
328 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
329
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
330 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
331 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
332 DARRAY_DESTROY(&txt_o->scaled_fonts);
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
333 DARRAY_DESTROY(&txt_o->sub_exts);
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
334
419
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
335 if(txt_o->txt)
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
336 free((void *)txt_o->txt);
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
337
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
338 free(txt_o);
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
339 }
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
340
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
341 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
342 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
343 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
344
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
345 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
346
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
347 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
348 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
349 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
350
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
351 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
352 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
353
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
354 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
355 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
356 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
357 txt_o->y = y;
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
358 DARRAY_INIT(&txt_o->scaled_fonts);
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
359 DARRAY_INIT(&txt_o->sub_exts);
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
360
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
361 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
362 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
363 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
364 }
419
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
365
7c921fda21be Set free function for sh_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 418
diff changeset
366 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
367
af6adacbed07 Make sh_stext object managed by rdman.
Thinker K.F. Li <thinker@branda.to>
parents: 417
diff changeset
368 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
369
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
370 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
371 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
372
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
373 static
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
374 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
375 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
376 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
377 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
378
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
379 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
380 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
381 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
382 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
383 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
384 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
385 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
386 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
387 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
388 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
389 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
390 }
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
391 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
392 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
393
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
394 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
395 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
396 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
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 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
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
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
401 static
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
402 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
403 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
404 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
405 co_aix font_sz) {
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
406 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
407 co_aix *aggr;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
408 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
409
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
410 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
411 matrix[0] = font_sz;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
412 matrix[1] = 0;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
413 matrix[2] = shift_x;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
414 matrix[3] = 0;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
415 matrix[4] = font_sz;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
416 matrix[5] += shift_y;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
417 matrix_mul(aggr, matrix, scaled_matrix);
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
418
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
419 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
420
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
421 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
422 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
423
403
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
424 /*! \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
425 *
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
426 * 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
427 * 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
428 * into a full extents.
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
429 */
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
430 static
403
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
431 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
432 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
433 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
434 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
435 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
436
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
437 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
438 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
439 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
440 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
441 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
442 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
443
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
444 /* 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
445 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
446 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
447 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
448 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
449
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
450 /* set width/height */
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
451 if(f_rbx < s_rbx)
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
452 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
453 else
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
454 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
455 if(f_rby < s_rby)
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
456 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
457 else
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
458 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
459
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
460 /* 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
461 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
462 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
463 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
464 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
465 }
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
466
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
467 /*! \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
468 *
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
469 * 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
470 * 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
471 * 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
472 *
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
473 * 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
474 * 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
475 * 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
476 * 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
477 * to create correct extents for full text string with style blocks.
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
478 *
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
479 * This function assumes texts are always drawed at 0, 0. So,
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
480 * transform function should adjust x and y bearing corresponding
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
481 * x, y of text to compute area.
403
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
482 */
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
483 static
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
484 void compute_styled_extents_n_scaled_font(sh_stext_t *txt_o) {
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
485 mb_style_blk_t *blk;
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
486 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
487 int blk_txt_len;
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
488 mb_scaled_font_t *scaled;
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
489 scaled_fonts_lst_t *scaled_fonts;
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
490 extents_lst_t *sub_exts;
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
491 mb_text_extents_t *sub;
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
492 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
493 int i, nscaled;
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
494
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
495 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
496
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
497 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
498 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
499 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
500 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
501
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
502 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
503 blk = style_blks->ds;
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
504
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
505 sub_exts = &txt_o->sub_exts;
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
506 DARRAY_CLEAN(sub_exts);
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
507 extents_lst_adv(sub_exts, style_blks->num);
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
508
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
509 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
510 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
511 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
512 0, 0, blk->font_sz);
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
513 ASSERT(scaled != NULL);
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
514 scaled_fonts_lst_add(scaled_fonts, scaled);
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
515 sub = sub_exts->ds + i;
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
516
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
517 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
518 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
519
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
520 saved = txt[blk_txt_len];
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
521 txt[blk_txt_len] = 0;
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
522 compute_text_extents(scaled, txt, sub);
397
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
523 txt[blk_txt_len] = saved;
55f38c2cdb8f Refactor function of computing text extents
Thinker K.F. Li <thinker@branda.to>
parents: 396
diff changeset
524
426
aa320386072c Keep sub-extents for style blocks.
Thinker K.F. Li <thinker@branda.to>
parents: 425
diff changeset
525 extent_extents(&txt_o->extents, sub);
403
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
526
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
527 blk++;
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
528 txt += blk_txt_len;
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
529 }
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
530 }
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 /*
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
533 * 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
534 * - 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
535 * - 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
536 * - 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
537 * - making scaled fonts for style blocks.
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
538 *
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
539 * Extents of style blocks are computed with x,y at 0,0.
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
540 * So, we should add x,y, after transforming by the aggreagated matrix,
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
541 * to output area.
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
542 */
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
543 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
544 sh_stext_t *txt_o = (sh_stext_t *)shape;
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
545 area_t *area;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
546 mb_text_extents_t *ext;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
547 co_aix *aggr;
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
548
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
549 ASSERT(txt_o != NULL);
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
550
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
551 aggr = sh_get_aggr_matrix(shape);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
552
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
553 txt_o->dx = txt_o->x;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
554 txt_o->dy = txt_o->y;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
555 matrix_trans_pos(aggr, &txt_o->dx, &txt_o->dy);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
556
403
aee0f66b1154 Compute extents of a styled text
Thinker K.F. Li <thinker@branda.to>
parents: 397
diff changeset
557 compute_styled_extents_n_scaled_font(txt_o);
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
558 ext = &txt_o->extents;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
559
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
560 area = sh_get_area(shape);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
561 area->x = MBE_GET_X_BEARING(ext) + txt_o->dx;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
562 area->y = MBE_GET_Y_BEARING(ext) + txt_o->dy;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
563 area->w = MBE_GET_WIDTH(ext);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
564 area->h = MBE_GET_HEIGHT(ext);
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
565 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
566
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
567 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
568 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
569
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
570 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
571 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
572
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
573 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
574 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
575 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
576 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
577
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
578 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
579 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
580
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
581 sz = strlen(txt) + 1;
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
582 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
583 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
584 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
585
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
586 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
587 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
588
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
589 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
590 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
591
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
592 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
593 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
594 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
595 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
596 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
597 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
598 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
599
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
600 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
601 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
602
422
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
603 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
604 DARRAY_CLEAN(style_blks);
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
605 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
606
c6c0d017dc8e Use DARRAY to manage variable length list
Thinker K.F. Li <thinker@branda.to>
parents: 421
diff changeset
607 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
608 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
609
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
610 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
611 }
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
612
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
613 #ifdef UNITTEST
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
614
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
615 #include <CUnit/Basic.h>
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
616
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
617 static
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
618 void test_query_font_face(void) {
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
619 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
620 cairo_status_t status;
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
621
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
622 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
623 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
624 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
625 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
626
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
627 free_font_face(face);
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
628 }
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
629
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
630 static
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
631 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
632 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
633 mb_font_face_t *face;
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
634 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
635 cairo_status_t status;
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
636
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
637 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
638 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
639 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
640 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
641
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
642 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
643 CU_ASSERT(scaled != NULL);
420
485c563514f4 Casting pointer to cease warning messages.
Thinker K.F. Li <thinker@branda.to>
parents: 419
diff changeset
644 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
645 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
646
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
647 scaled_font_free(scaled);
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
648 free_font_face(face);
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
649 }
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
650
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
651 static
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
652 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
653 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
654 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
655 co_aix x_bearing1, x_bearing2;
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
656 mb_font_face_t *face;
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
657 mb_scaled_font_t *scaled;
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
658 mb_text_extents_t ext;
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
659
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
660 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
661 CU_ASSERT(face != NULL)
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
662 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
663 CU_ASSERT(scaled != NULL);
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
664
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
665 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
666 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
667 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
668 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
669 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
670 scaled_font_free(scaled);
412
a456e267279a Test cases for shape_stext.
Thinker K.F. Li <thinker@branda.to>
parents: 411
diff changeset
671
423
3ba48126c49c Check bearing and advance of text_extents.
Thinker K.F. Li <thinker@branda.to>
parents: 422
diff changeset
672 matrix[2] = 5;
3ba48126c49c Check bearing and advance of text_extents.
Thinker K.F. Li <thinker@branda.to>
parents: 422
diff changeset
673 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
674 CU_ASSERT(scaled != NULL);
3ba48126c49c Check bearing and advance of text_extents.
Thinker K.F. Li <thinker@branda.to>
parents: 422
diff changeset
675
3ba48126c49c Check bearing and advance of text_extents.
Thinker K.F. Li <thinker@branda.to>
parents: 422
diff changeset
676 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
677 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
678 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
679 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
680 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
681 scaled_font_free(scaled);
423
3ba48126c49c Check bearing and advance of text_extents.
Thinker K.F. Li <thinker@branda.to>
parents: 422
diff changeset
682
3ba48126c49c Check bearing and advance of text_extents.
Thinker K.F. Li <thinker@branda.to>
parents: 422
diff changeset
683 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
684 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
685
413
35712e4bad0e Make shape_stext.c pass test cases.
Thinker K.F. Li <thinker@branda.to>
parents: 412
diff changeset
686 free_font_face(face);
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
687 }
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
688
414
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
689 static
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
690 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
691 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
692
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
693 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
694 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
695 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
696 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
697 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
698 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
699
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
700 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
701 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
702 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
703 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
704 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
705 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
706
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
707 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
708
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
709 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
710 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
711 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
712 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
713 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
714 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
715 }
bbf036c315be Fix extent_extents to make it pass the test case.
Thinker K.F. Li <thinker@branda.to>
parents: 413
diff changeset
716
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
717 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
718 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
719 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
720 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
721
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
722 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
723 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
724
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
725 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
726 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
727 }
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
728
421
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
729 static
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
730 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
731 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
732 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
733 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
734 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
735 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
736 int r;
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
737
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
738 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
739 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
740 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
741
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
742 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
743 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
744 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
745 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
746 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
747 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
748 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
749
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
750 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
751 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
752
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
753 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
754 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
755 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
756
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
757 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
758 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
759 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
760
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
761 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
762 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
763
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
764 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
765
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
766 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
767 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
768 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
769 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
770 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
771 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
772 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
773 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
774
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
775 _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
776 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
777 }
1e48453bb282 Make compute_styled_extents_n_scaled_font() pass the test.
Thinker K.F. Li <thinker@branda.to>
parents: 420
diff changeset
778
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
779 static
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
780 void test_sh_stext_transform(void) {
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
781 sh_stext_t *txt_o;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
782 mb_style_blk_t blks[2];
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
783 co_aix *aggr;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
784 mb_font_face_t *face;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
785 area_t *area;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
786 int r;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
787
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
788 txt_o = (sh_stext_t *)rdman_shape_stext_new(NULL, 100, 50, "hello world");
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
789 CU_ASSERT(txt_o != NULL);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
790
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
791 aggr = txt_o->shape.aggr;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
792 aggr[0] = 2;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
793 aggr[1] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
794 aggr[2] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
795 aggr[3] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
796 aggr[4] = 1;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
797 aggr[5] = 0;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
798
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
799 face = query_font_face("serif", MB_FONT_SLANT_ROMAN, 100);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
800 CU_ASSERT(face != NULL);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
801
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
802 blks[0].n_chars = 5;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
803 blks[0].face = face;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
804 blks[0].font_sz = 10;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
805
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
806 blks[1].n_chars = 4;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
807 blks[1].face = face;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
808 blks[1].font_sz = 15.5;
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
809
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
810 r = sh_stext_set_style((shape_t *)txt_o, blks, 2);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
811 CU_ASSERT(r == OK);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
812
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
813 sh_stext_transform((shape_t *)txt_o);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
814
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
815 area = sh_get_area((shape_t *)txt_o);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
816 CU_ASSERT(area->x >= 200 && area->x < 220);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
817 CU_ASSERT(area->y >= 40 && area->y < 50);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
818 CU_ASSERT(area->w >= 80 && area->w < 120);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
819 CU_ASSERT(area->h >= 8 && area->h < 12);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
820
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
821 _rdman_shape_stext_free((shape_t *)txt_o);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
822 free_font_face(face);
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
823 }
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
824
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
825 #include <CUnit/Basic.h>
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
826 CU_pSuite get_stext_suite(void) {
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
827 CU_pSuite suite;
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
828
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
829 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
830 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
831 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
832 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
833 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
834 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
835 CU_ADD_TEST(suite, test_compute_styled_extents_n_scaled_font);
424
585baa462778 Make sh_stext_transform() pass first test case for him.
Thinker K.F. Li <thinker@branda.to>
parents: 423
diff changeset
836 CU_ADD_TEST(suite, test_sh_stext_transform);
410
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
837
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
838 return suite;
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
839 }
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
840
1a923ea699c1 shape_stext.c, now, is unittested.
Thinker K.F. Li <thinker@branda.to>
parents: 407
diff changeset
841 #endif /* UNITTEST */