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annotate src/graph_engine_skia.cpp @ 473:ba64f928542b Android_Skia

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Remove mbe_matrix_t type. The struct mbe_matrix_t is defined in a layout accoriding definition of Cairo. It is not feasible for all graphic engine. Now, we start supporting of other graphic engine; Skia, so use type of (co_aix[6]) defined and used by MadButterfly intead of mbe_matrix_t. And, bridges of graphic engines are responsible for translate matrics into the matrix type of the graphic enigne.
author Thinker K.F. Li <thinker@branda.to>
date Thu, 12 Nov 2009 21:32:58 +0800
parents 4254eaa699d0
children 9a867333018b
rev   line source
472
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1 #include <stdio.h>
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2 #include <SkCanva.h>
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3 #include <SkBitmap.h>
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4 #include <SkShader.h>
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5
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6 #define C_START extern "C" {
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7 #define C_END }
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8
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9 C_START
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10
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11 #include "mb_graph_engine_skia.h"
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12 #include "mb_shapes.h"
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13
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14 struct _mbe_scaled_font_t {
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15 struct _mb_font_face_t *face;
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16 co_aix fnt_mtx[6];
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17 co_aix ctm[6];
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18 }
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19 struct _mbe_font_face_t {};
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20 struct _mbe_t {
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21 SkCanvas *canvas;
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22 SkShader *shader;
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23 int shader_owned;
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24 };
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25
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26 #ifndef ASSERT
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27 #define ASSERT(x)
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28 #endif
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29
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30 void mbe_pattern_add_color_stop_rgba(mbe_pattern_t *ptn,
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31 co_aix offset,
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32 co_aix r, co_aix g, co_aix b,
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33 co_aix a) {}
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34 mbe_pattern_t *mbe_pattern_create_for_surface(mbe_surface_t *surface) {}
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35 mbe_pattern_t *mbe_pattern_create_radial(co_aix cx0, co_aix cy0,
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36 co_aix radius0,
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37 co_aix cx1, co_aix cy1,
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38 co_aix radius1) {}
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39 mbe_pattern_t *mbe_pattern_create_linear(co_aix x0, co_aix y0,
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40 co_aix x1, co_aix y1) {}
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41 void mbe_pattern_set_matrix(mbe_pattern_t *ptn,
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42 const co_aix matrix[6]) {}
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43 void mbe_pattern_destroy(mbe_pattern_t *canvas) {}
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44
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45 int mbe_image_surface_get_stride(mbe_surface_t *surface) {}
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46 int mbe_image_surface_get_height(mbe_surface_t *surface) {}
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47 int mbe_image_surface_get_width(mbe_surface_t *surface) {}
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48 unsigned char *mbe_image_surface_get_data(mbe_surface_t *surface) {}
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49 mbe_surface_t *mbe_image_surface_create_from_png(const char *filename) {}
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50 mbe_surface_t *
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51 mbe_image_surface_create_for_data(unsigned char *data,
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52 mb_img_fmt_t fmt,
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53 int width, int height,
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54 int stride) {}
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55 mb_img_fmt_t mbe_image_surface_get_format(mbe_surface_t *surface) {}
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56 mbe_surface_t *
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57 mbe_image_surface_create(mb_img_fmt_t fmt, int width, int height) {}
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58
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59 mbe_scaled_font_t *mbe_scaled_font_reference(mbe_scaled_font_t *scaled) {}
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60 void mbe_scaled_font_destroy(mbe_scaled_font_t *scaled) {}
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61 mbe_font_face_t *mbe_font_face_reference(mbe_font_face_t *face) {}
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62 mbe_scaled_font_t *
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63 mbe_scaled_font_create(mbe_font_face_t *face, co_aix fnt_mtx[6],
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64 co_aix ctm[6]) {}
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65 mbe_scaled_font_t *mbe_get_scaled_font(mbe_t *canvas) {}
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66 void mbe_scaled_font_text_extents(mbe_scaled_font_t *scaled,
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67 const char *txt,
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68 mbe_text_extents_t *extents) {}
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69
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70 void mbe_font_face_destroy(mbe_font_face_t *face) {}
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71 void mbe_paint_with_alpha(mbe_t *canvas, co_aix alpha) {}
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72 void mbe_surface_destroy(mbe_surface_t *surface) {}
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73 void mbe_set_source_rgba(mbe_t *canvas,
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74 co_aix r, co_aix g, co_aix b, co_aix a) {}
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75 void mbe_set_scaled_font(mbe_t *canvas,
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76 const mbe_scaled_font_t *scaled) {}
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77 void mbe_set_source_rgb(mbe_t *canvas, co_aix r, co_aix g, co_aix b) {}
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78 void mbe_set_line_width(mbe_t *canvas, co_aix width) {}
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79 mbe_font_face_t *mbe_get_font_face(mbe_t *canvas) {}
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80 void mbe_fill_preserve(mbe_t *canvas) {}
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81 void mbe_set_source(mbe_t *canvas, mbe_pattern_t *source) {}
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82 void mbe_reset_clip(mbe_t *canvas) {}
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83 mbe_surface_t *mbe_get_target(mbe_t *canvas) {}
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84 void mbe_close_path(mbe_t *canvas) {}
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85 void mbe_text_path(mbe_t *canvas, const char *txt) {}
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86 void mbe_rectangle(mbe_t *canvas, co_aix x, co_aix y,
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87 co_aix width, co_aix height) {}
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88 int mbe_in_stroke(mbe_t *canvas, co_aix x, co_aix y) {}
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89 void mbe_new_path(mbe_t *canvas) {}
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90 void mbe_curve_to(mbe_t *canvas, co_aix x1, co_aix y1,
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91 co_aix x2, co_aix y2,
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92 co_aix x3, co_aix y3) {}
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93 void mbe_restore(mbe_t *canvas) {}
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94 void mbe_move_to(mbe_t *canvas, co_aix x, co_aix y) {}
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95 void mbe_line_to(mbe_t *canvas, co_aix x, co_aix y) {}
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96 int mbe_in_fill(mbe_t *canvas, co_aix x, co_aix y) {}
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97 void mbe_stroke(mbe_t *canvas) {}
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98
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99 mbe_t *mbe_create(mbe_surface_t *target) {
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100 mbe_t *mbe;
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101
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102 mbe = malloc(sizeof(_mbe_t));
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103 if(mbe == NULL)
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104 return NULL;
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105
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106 mbe->canvas = new SkCanvas(target);
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107 mbe->shader = NULL;
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108 mbe->shader_owned = 0;
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109
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110 return mbe;
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111 }
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112
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113 void mbe_destroy(mbe_t *canvas) {
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114 delete cnavas->canvas;
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115 if(cnavas->shader && cnavas->shader_owned)
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116 delete cnavas->shader;
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117 free(canvas);
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118 }
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119
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120 void mbe_paint(mbe_t *canvas) {}
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121 void mbe_save(mbe_t *canvas) {}
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122 void mbe_fill(mbe_t *canvas) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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123 void mbe_clip(mbe_t *canvas) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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124
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parents: 469
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125 mbe_font_face_t * mbe_query_font_face(const char *family,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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126 int slant, int weight) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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127 void mbe_free_font_face(mbe_font_face_t *face) {}
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Thinker K.F. Li <thinker@branda.to>
parents: 469
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128
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parents: 469
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129 void mbe_clear(mbe_t *canvas) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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130 void mbe_copy_source(mbe_t *canvas) {}
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 472
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131 void mbe_transform(mbe_t *mbe, co_aix matrix[6]) {}
472
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Thinker K.F. Li <thinker@branda.to>
parents: 469
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132 void mbe_arc(mbe_t *mbe, co_aix x, co_aix y, co_aix radius,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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133 co_aix angle_start, co_aix angle_stop) {}
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parents: 469
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134
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parents: 469
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135
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
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136 C_END