Mercurial > MadButterfly

annotate include/mb_graph_engine_cairo.h @ 500:f06eba21db1c Android_Skia

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add mbfly-java.jar to SDK libraries
author Thinker K.F. Li <thinker@branda.to>
date Tue, 01 Dec 2009 22:49:33 +0800
parents 273307d061b7
children d186d1e24458
rev   line source
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1 #ifndef __MB_GE_CAIRO_H_
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
2 #define __MB_GE_CAIRO_H_
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
3
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
4 #include <stdio.h>
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
5 #include <cairo.h>
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
6 #include <cairo-xlib.h>
480
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
7 #include "mb_basic_types.h"
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
8 #include "mb_img_ldr.h"
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
9
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
10 /*! \defgroup mb_ge_cairo MadButterfly Graphic Engine with Cairo
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
11 * @{
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
12 */
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
13 #define MBE_OPERATOR_CLEAR CAIRO_OPERATOR_CLEAR
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
14 #define MBE_OPERATOR_SOURCE CAIRO_OPERATOR_SOURCE
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
15 #define MBE_STATUS_SUCCESS CAIRO_STATUS_SUCCESS
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
16
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
17 #define mbe_image_surface_create_from_png cairo_image_surface_create_from_png
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
18 #define mbe_pattern_create_for_surface cairo_pattern_create_for_surface
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
19 #define mbe_scaled_font_text_extents cairo_scaled_font_text_extents
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
20 #define mbe_image_surface_get_stride cairo_image_surface_get_stride
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
21 #define mbe_image_surface_get_height cairo_image_surface_get_height
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
22 #define mbe_image_surface_get_width cairo_image_surface_get_width
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
23 #define mbe_image_surface_get_data cairo_image_surface_get_data
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
24 #define mbe_scaled_font_reference cairo_scaled_font_reference
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
25 #define mbe_xlib_surface_create cairo_xlib_surface_create
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
26 #define mbe_scaled_font_destroy cairo_scaled_font_destroy
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
27 #define mbe_font_face_reference cairo_font_face_reference
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
28 #define mbe_font_face_destroy cairo_font_face_destroy
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
29 #define mbe_paint_with_alpha cairo_paint_with_alpha
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
30 #define mbe_surface_destroy cairo_surface_destroy
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
31 #define mbe_set_source_rgba cairo_set_source_rgba
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
32 #define mbe_set_scaled_font cairo_set_scaled_font
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
33 #define mbe_pattern_destroy cairo_pattern_destroy
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
34 #define mbe_get_scaled_font cairo_get_scaled_font
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
35 #define mbe_set_source_rgb cairo_set_source_rgb
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
36 #define mbe_set_line_width cairo_set_line_width
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
37 #define mbe_get_font_face cairo_get_font_face
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
38 #define mbe_fill_preserve cairo_fill_preserve
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
39 #define mbe_set_source cairo_set_source
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
40 #define mbe_reset_clip cairo_reset_clip
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
41 #define mbe_get_target cairo_get_target
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
42 #define mbe_close_path cairo_close_path
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
43 #define mbe_text_path cairo_text_path
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
44 #define mbe_rectangle cairo_rectangle
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
45 #define mbe_in_stroke cairo_in_stroke
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
46 #define mbe_new_path cairo_new_path
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
47 #define mbe_curve_to cairo_curve_to
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
48 #define mbe_restore cairo_restore
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
49 #define mbe_move_to cairo_move_to
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
50 #define mbe_line_to cairo_line_to
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
51 #define mbe_in_fill cairo_in_fill
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
52 #define mbe_destroy cairo_destroy
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
53 #define mbe_stroke cairo_stroke
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
54 #define mbe_create cairo_create
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
55 #define mbe_paint cairo_paint
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
56 #define mbe_save cairo_save
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
57 #define mbe_fill cairo_fill
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
58 #define mbe_clip cairo_clip
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
59
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
60 typedef cairo_text_extents_t mbe_text_extents_t;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
61 typedef cairo_scaled_font_t mbe_scaled_font_t;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
62 typedef cairo_font_face_t mbe_font_face_t;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
63 typedef cairo_surface_t mbe_surface_t;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
64 typedef cairo_pattern_t mbe_pattern_t;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
65 typedef cairo_t mbe_t;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
66
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
67 #define MB_MATRIX_2_CAIRO(cmtx, mtx) { \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
68 (cmtx).xx = (mtx)[0]; \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
69 (cmtx).xy = (mtx)[1]; \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
70 (cmtx).x0 = (mtx)[2]; \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
71 (cmtx).yx = (mtx)[3]; \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
72 (cmtx).yy = (mtx)[4]; \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
73 (cmtx).y0 = (mtx)[5]; \
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
74 }
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
75
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
76
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
77 extern mbe_font_face_t * mbe_query_font_face(const char *family,
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
78 int slant, int weight);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
79 extern void mbe_free_font_face(mbe_font_face_t *face);
480
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
80 extern mbe_pattern_t *mbe_pattern_create_radial(co_aix cx0, co_aix cy0,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
81 co_aix radius0,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
82 co_aix cx1, co_aix cy1,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
83 co_aix radius1,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
84 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
85 int stop_cnt);
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
86 extern mbe_pattern_t *mbe_pattern_create_linear(co_aix x0, co_aix y0,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
87 co_aix x1, co_aix y1,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
88 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
89 int stop_cnt);
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
90
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
91
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
92 static void mbe_pattern_set_matrix(mbe_pattern_t *ptn,
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
93 const co_aix matrix[6]) {
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
94 cairo_matrix_t cmtx;
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
95
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
96 MB_MATRIX_2_CAIRO(cmtx, matrix);
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
97 cairo_pattern_set_matrix(ptn, &cmtx);
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
98 }
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
99
469
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
100 static void mbe_clear(mbe_t *canvas) {
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
101 cairo_operator_t old_op;
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
102
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
103 old_op = cairo_get_operator(canvas);
481
273307d061b7 imported patch typo_cairo.diff
Thinker K.F. Li <thinker@branda.to>
parents: 480
diff changeset
104 cairo_set_operator(canvas, CAIRO_OPERATOR_CLEAR);
469
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
105 cairo_paint(canvas);
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
106 cairo_set_operator(canvas, old_op);
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
107 }
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
108
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
109 static void mbe_copy_source(mbe_t *canvas) {
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
110 cairo_operator_t saved_op;
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
111
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
112 saved_op = cairo_get_operator(canvas);
481
273307d061b7 imported patch typo_cairo.diff
Thinker K.F. Li <thinker@branda.to>
parents: 480
diff changeset
113 cairo_set_operator(canvas, CAIRO_OPERATOR_SOURCE);
469
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
114 cairo_paint(canvas);
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
115 cairo_set_operator(canvas, saved_op);
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
116 }
4dc0be6c044a Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents: 465
diff changeset
117
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
118 static mbe_scaled_font_t *
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
119 mbe_scaled_font_create(mbe_font_face_t *face, co_aix fnt_mtx[6],
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
120 co_aix ctm[6]) {
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
121 cairo_font_options_t *options;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
122 mbe_scaled_font_t *scaled;
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
123 cairo_matrix_t cfnt_mtx, cctm;
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
124
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
125 options = cairo_font_options_create();
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
126 if(options == NULL)
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
127 return NULL;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
128
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
129 MB_MATRIX_2_CAIRO(cfnt_mtx, fnt_mtx);
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
130 MB_MATRIX_2_CAIRO(cctm, ctm);
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 471
diff changeset
131 scaled = cairo_scaled_font_create(face, &cfnt_mtx, &cctm, options);
465
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
132
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
133 cairo_font_options_destroy(options);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
134
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
135 return scaled;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
136 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
137
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
138 static mbe_surface_t *
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
139 mbe_image_surface_create_for_data(unsigned char *data,
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
140 mb_img_fmt_t fmt,
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
141 int width, int height,
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
142 int stride) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
143 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
144
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
145 switch(fmt) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
146 case MB_IFMT_ARGB32:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
147 _fmt = CAIRO_FORMAT_ARGB32;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
148 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
149 case MB_IFMT_RGB24:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
150 _fmt = CAIRO_FORMAT_RGB24;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
151 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
152 case MB_IFMT_A8:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
153 _fmt = CAIRO_FORMAT_A8;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
154 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
155 case MB_IFMT_A1:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
156 _fmt = CAIRO_FORMAT_A1;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
157 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
158 default:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
159 return NULL;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
160 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
161 return cairo_image_surface_create_for_data(data, _fmt,
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
162 width, height, stride);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
163 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
164
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
165 static mb_img_fmt_t
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
166 mbe_image_surface_get_format(mbe_surface_t *surface) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
167 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
168 mb_img_fmt_t fmt;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
169
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
170 _fmt = cairo_image_surface_get_format(surface);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
171 switch(_fmt) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
172 case CAIRO_FORMAT_ARGB32:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
173 fmt = MB_IFMT_ARGB32;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
174 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
175 case CAIRO_FORMAT_RGB24:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
176 fmt = MB_IFMT_RGB24;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
177 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
178 case CAIRO_FORMAT_A8:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
179 fmt = MB_IFMT_A8;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
180 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
181 case CAIRO_FORMAT_A1:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
182 fmt = MB_IFMT_A1;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
183 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
184 default:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
185 fmt = MB_IFMT_DUMMY;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
186 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
187 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
188
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
189 return fmt;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
190 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
191
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
192 static mbe_surface_t *
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
193 mbe_image_surface_create(mb_img_fmt_t fmt, int width, int height) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
194 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
195
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
196 switch(fmt) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
197 case MB_IFMT_ARGB32:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
198 _fmt = CAIRO_FORMAT_ARGB32;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
199 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
200 case MB_IFMT_RGB24:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
201 _fmt = CAIRO_FORMAT_RGB24;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
202 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
203 case MB_IFMT_A8:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
204 _fmt = CAIRO_FORMAT_A8;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
205 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
206 case MB_IFMT_A1:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
207 _fmt = CAIRO_FORMAT_A1;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
208 break;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
209 default:
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
210 return NULL;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
211 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
212
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
213 return cairo_image_surface_create(_fmt, width, height);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
214 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
215
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
216 static void
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
217 mbe_transform(mbe_t *mbe, const co_aix matrix[6]) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
218 cairo_matrix_t cmtx;
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
219
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
220 cmtx.xx = matrix[0];
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
221 cmtx.xy = matrix[1];
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
222 cmtx.x0 = matrix[2];
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
223 cmtx.yx = matrix[3];
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
224 cmtx.yy = matrix[4];
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
225 cmtx.y0 = matrix[5];
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
226
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
227 cairo_transform(mbe, &cmtx);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
228 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
229
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
230 static void
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
231 mbe_arc(mbe_t *mbe, co_aix x, co_aix y, co_aix radius,
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
232 co_aix angle_start, co_aix angle_stop) {
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
233 if(angle_start <= angle_stop)
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
234 cairo_arc(mbe, x, y, radius, angle_start, angle_stop);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
235 else
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
236 cairo_arc_negative(mbe, x, y, radius, angle_start, angle_stop);
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
237 }
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
238 /* @} */
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
239
d8181696b689 Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
240 #endif /* __MB_GE_CAIRO_H_ */