Mercurial > MadButterfly
annotate include/mb_graph_engine_cairo.h @ 1034:e9a134d75c99 refine_backend_if
To make backend compatible with C++
author | Thinker K.F. Li <thinker@codemud.net> |
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date | Tue, 23 Nov 2010 00:29:55 +0800 |
parents | e3a5e05f00c1 |
children | 7b4e80ab671a |
rev | line source |
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Unify coding style tag for emacs and vim.
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*- |
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2 // vim: sw=4:ts=8:sts=4 |
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3 #ifndef __MB_GE_CAIRO_H_ |
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4 #define __MB_GE_CAIRO_H_ |
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5 |
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6 #include <stdio.h> |
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7 #include <cairo.h> |
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8 #include "mb_basic_types.h" |
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9 #include "mb_img_ldr.h" |
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10 |
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11 /*! \defgroup mb_ge_cairo MadButterfly Graphic Engine with Cairo |
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12 * @{ |
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13 */ |
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14 #define MBE_OPERATOR_CLEAR CAIRO_OPERATOR_CLEAR |
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15 #define MBE_OPERATOR_SOURCE CAIRO_OPERATOR_SOURCE |
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16 #define MBE_STATUS_SUCCESS CAIRO_STATUS_SUCCESS |
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17 |
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18 #define mbe_image_surface_create_from_png cairo_image_surface_create_from_png |
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19 #define mbe_pattern_create_for_surface cairo_pattern_create_for_surface |
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20 #define mbe_scaled_font_text_extents cairo_scaled_font_text_extents |
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21 #define mbe_image_surface_get_stride cairo_image_surface_get_stride |
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22 #define mbe_image_surface_get_height cairo_image_surface_get_height |
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23 #define mbe_directfb_surface_create cairo_directfb_surface_create |
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24 #define mbe_image_surface_get_width cairo_image_surface_get_width |
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25 #define mbe_image_surface_get_data cairo_image_surface_get_data |
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26 #define mbe_scaled_font_reference cairo_scaled_font_reference |
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27 #define mbe_xlib_surface_create cairo_xlib_surface_create |
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28 #define mbe_scaled_font_destroy cairo_scaled_font_destroy |
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29 #define mbe_font_face_reference cairo_font_face_reference |
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30 #define mbe_font_face_destroy cairo_font_face_destroy |
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31 #define mbe_paint_with_alpha cairo_paint_with_alpha |
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32 #define mbe_surface_destroy cairo_surface_destroy |
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33 #define mbe_set_source_rgba cairo_set_source_rgba |
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34 #define mbe_set_scaled_font cairo_set_scaled_font |
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35 #define mbe_pattern_destroy cairo_pattern_destroy |
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36 #define mbe_get_scaled_font cairo_get_scaled_font |
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37 #define mbe_set_source_rgb cairo_set_source_rgb |
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38 #define mbe_set_line_width cairo_set_line_width |
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39 #define mbe_get_font_face cairo_get_font_face |
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40 #define mbe_fill_preserve cairo_fill_preserve |
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41 #define mbe_set_source cairo_set_source |
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42 #define mbe_reset_clip cairo_reset_clip |
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43 #define mbe_get_target cairo_get_target |
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44 #define mbe_close_path cairo_close_path |
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45 #define mbe_text_path cairo_text_path |
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46 #define mbe_rectangle cairo_rectangle |
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47 #define mbe_in_stroke cairo_in_stroke |
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48 #define mbe_new_path cairo_new_path |
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49 #define mbe_curve_to cairo_curve_to |
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50 #define mbe_restore cairo_restore |
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51 #define mbe_move_to cairo_move_to |
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52 #define mbe_line_to cairo_line_to |
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53 #define mbe_in_fill cairo_in_fill |
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54 #define mbe_destroy cairo_destroy |
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55 #define mbe_stroke cairo_stroke |
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56 #define mbe_create cairo_create |
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57 #define mbe_paint cairo_paint |
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58 #define mbe_save cairo_save |
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59 #define mbe_fill cairo_fill |
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60 #define mbe_clip cairo_clip |
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61 |
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62 typedef cairo_text_extents_t mbe_text_extents_t; |
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63 typedef cairo_scaled_font_t mbe_scaled_font_t; |
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64 typedef cairo_font_face_t mbe_font_face_t; |
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65 typedef cairo_surface_t mbe_surface_t; |
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66 typedef cairo_pattern_t mbe_pattern_t; |
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67 typedef cairo_t mbe_t; |
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68 |
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69 #define MB_MATRIX_2_CAIRO(cmtx, mtx) { \ |
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70 (cmtx).xx = (mtx)[0]; \ |
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71 (cmtx).xy = (mtx)[1]; \ |
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72 (cmtx).x0 = (mtx)[2]; \ |
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73 (cmtx).yx = (mtx)[3]; \ |
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74 (cmtx).yy = (mtx)[4]; \ |
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75 (cmtx).y0 = (mtx)[5]; \ |
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76 } |
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77 |
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78 |
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79 extern mbe_font_face_t * mbe_query_font_face(const char *family, |
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80 int slant, int weight); |
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81 extern void mbe_free_font_face(mbe_font_face_t *face); |
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82 extern mbe_pattern_t *mbe_pattern_create_radial(co_aix cx0, co_aix cy0, |
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83 co_aix radius0, |
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84 co_aix cx1, co_aix cy1, |
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85 co_aix radius1, |
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86 grad_stop_t *stops, |
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87 int stop_cnt); |
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88 extern mbe_pattern_t *mbe_pattern_create_linear(co_aix x0, co_aix y0, |
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89 co_aix x1, co_aix y1, |
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90 grad_stop_t *stops, |
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91 int stop_cnt); |
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92 |
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93 |
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94 static void mbe_pattern_set_matrix(mbe_pattern_t *ptn, |
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95 const co_aix matrix[6]) { |
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96 cairo_matrix_t cmtx; |
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97 |
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98 MB_MATRIX_2_CAIRO(cmtx, matrix); |
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99 cairo_pattern_set_matrix(ptn, &cmtx); |
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100 } |
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101 |
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102 static void mbe_clear(mbe_t *canvas) { |
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103 cairo_operator_t old_op; |
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104 |
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105 old_op = cairo_get_operator(canvas); |
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106 cairo_set_operator(canvas, CAIRO_OPERATOR_CLEAR); |
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107 cairo_paint(canvas); |
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108 cairo_set_operator(canvas, old_op); |
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109 } |
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110 |
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111 static void mbe_copy_source(mbe_t *src, mbe_t *dst) { |
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112 cairo_operator_t saved_op; |
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113 cairo_surface_t *surf; |
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114 cairo_pattern_t *ptn; |
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115 |
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116 surf = cairo_get_target(src); |
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Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
117 ptn = cairo_pattern_create_for_surface(surf); |
d186d1e24458
Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
118 cairo_set_source(src, ptn); |
d186d1e24458
Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
119 cairo_pattern_destroy(ptn); |
d186d1e24458
Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
120 saved_op = cairo_get_operator(dst); |
d186d1e24458
Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
121 cairo_set_operator(dst, CAIRO_OPERATOR_SOURCE); |
d186d1e24458
Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
122 cairo_paint(dst); |
d186d1e24458
Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents:
481
diff
changeset
|
123 cairo_set_operator(dst, saved_op); |
469
4dc0be6c044a
Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents:
465
diff
changeset
|
124 } |
4dc0be6c044a
Add copy and clear graphic engine functions.
Thinker K.F. Li <thinker@branda.to>
parents:
465
diff
changeset
|
125 |
465
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
126 static mbe_scaled_font_t * |
473
ba64f928542b
Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents:
471
diff
changeset
|
127 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
|
128 co_aix ctm[6]) { |
465
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
129 cairo_font_options_t *options; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
130 mbe_scaled_font_t *scaled; |
473
ba64f928542b
Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents:
471
diff
changeset
|
131 cairo_matrix_t cfnt_mtx, cctm; |
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 options = cairo_font_options_create(); |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
134 if(options == NULL) |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
135 return NULL; |
633
6f71f1b8e4e7
Let compilation on SMP8655 succeeded.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
512
diff
changeset
|
136 |
473
ba64f928542b
Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents:
471
diff
changeset
|
137 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
|
138 MB_MATRIX_2_CAIRO(cctm, ctm); |
ba64f928542b
Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents:
471
diff
changeset
|
139 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
|
140 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
141 cairo_font_options_destroy(options); |
633
6f71f1b8e4e7
Let compilation on SMP8655 succeeded.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
512
diff
changeset
|
142 |
465
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
143 return scaled; |
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 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
146 static mbe_surface_t * |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
147 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
|
148 mb_img_fmt_t fmt, |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
149 int width, int height, |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
150 int stride) { |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
151 cairo_format_t _fmt; |
633
6f71f1b8e4e7
Let compilation on SMP8655 succeeded.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
512
diff
changeset
|
152 |
465
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
153 switch(fmt) { |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
154 case MB_IFMT_ARGB32: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
155 _fmt = CAIRO_FORMAT_ARGB32; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
156 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
157 case MB_IFMT_RGB24: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
158 _fmt = CAIRO_FORMAT_RGB24; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
159 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
160 case MB_IFMT_A8: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
161 _fmt = CAIRO_FORMAT_A8; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
162 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
163 case MB_IFMT_A1: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
164 _fmt = CAIRO_FORMAT_A1; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
165 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
166 default: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
167 return NULL; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
168 } |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
169 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
|
170 width, height, stride); |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
171 } |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
172 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
173 static mb_img_fmt_t |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
174 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
|
175 cairo_format_t _fmt; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
176 mb_img_fmt_t fmt; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
177 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
178 _fmt = cairo_image_surface_get_format(surface); |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
179 switch(_fmt) { |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
180 case CAIRO_FORMAT_ARGB32: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
181 fmt = MB_IFMT_ARGB32; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
182 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
183 case CAIRO_FORMAT_RGB24: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
184 fmt = MB_IFMT_RGB24; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
185 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
186 case CAIRO_FORMAT_A8: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
187 fmt = MB_IFMT_A8; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
188 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
189 case CAIRO_FORMAT_A1: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
190 fmt = MB_IFMT_A1; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
191 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
192 default: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
193 fmt = MB_IFMT_DUMMY; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
194 break; |
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 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
197 return fmt; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
198 } |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
199 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
200 static mbe_surface_t * |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
201 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
|
202 cairo_format_t _fmt; |
633
6f71f1b8e4e7
Let compilation on SMP8655 succeeded.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
512
diff
changeset
|
203 |
465
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
204 switch(fmt) { |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
205 case MB_IFMT_ARGB32: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
206 _fmt = CAIRO_FORMAT_ARGB32; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
207 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
208 case MB_IFMT_RGB24: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
209 _fmt = CAIRO_FORMAT_RGB24; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
210 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
211 case MB_IFMT_A8: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
212 _fmt = CAIRO_FORMAT_A8; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
213 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
214 case MB_IFMT_A1: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
215 _fmt = CAIRO_FORMAT_A1; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
216 break; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
217 default: |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
218 return NULL; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
219 } |
633
6f71f1b8e4e7
Let compilation on SMP8655 succeeded.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents:
512
diff
changeset
|
220 |
465
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
221 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
|
222 } |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
223 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
224 static void |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
225 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
|
226 cairo_matrix_t cmtx; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
227 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
228 cmtx.xx = matrix[0]; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
229 cmtx.xy = matrix[1]; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
230 cmtx.x0 = matrix[2]; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
231 cmtx.yx = matrix[3]; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
232 cmtx.yy = matrix[4]; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
233 cmtx.y0 = matrix[5]; |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
234 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
235 cairo_transform(mbe, &cmtx); |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
236 } |
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 static void |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
239 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
|
240 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
|
241 if(angle_start <= angle_stop) |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
242 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
|
243 else |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
244 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
|
245 } |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
246 /* @} */ |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
247 |
d8181696b689
Move functions into graphic engine layers.
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
248 #endif /* __MB_GE_CAIRO_H_ */ |