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annotate include/mb_graph_engine_openvg.h @ 1254:0cb5979549be

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Add more doc for data_monitor
author Thinker K.F. Li <thinker@codemud.net>
date Tue, 11 Jan 2011 12:33:58 +0800
parents 7451af5d63ec
children
rev   line source
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fd5f5d9e00d2 A dummy graphic engine for OpenVG.
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1 #ifndef __MB_GE_OPENVG_H_
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2 #define __MB_GE_OPENVG_H_
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3
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include <EGL/egl.h>
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7 #include <VG/openvg.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_openvg MadButterfly Graphic Engine with OpenVG
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12 * @{
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13 */
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14 #define mbe_scaled_font_text_extents(scaled, utf8, extents)
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15 #define mbe_image_surface_get_stride(surface) ((surface)->w * 4)
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16 #define mbe_image_surface_get_format(surface) ((surface)->fmt)
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17 #define mbe_image_surface_get_height(surface) (surface)->h
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18 #define mbe_image_surface_get_width(surface) (surface)->w
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19 #define mbe_image_surface_get_data(surface) ((unsigned char *)NULL)
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20 #define mbe_scaled_font_reference(scaled) ((mbe_scaled_font_t *)NULL)
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21 #define mbe_scaled_font_destroy(scaled)
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22 #define mbe_font_face_reference(face) ((mbe_font_face_t *)NULL)
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23 #define mbe_scaled_font_create(face, fnt_mtx, ctm) ((mbe_scaled_font_t *)NULL)
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24 #define mbe_font_face_destroy(face)
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25 #define mbe_set_scaled_font(canvas, scaled)
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26 #define mbe_get_scaled_font(canvas) ((mbe_scaled_font_t *)NULL)
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27 #define mbe_query_font_face(family, slant, weight) ((mbe_font_face_t *)NULL)
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28 #define mbe_free_font_face(face)
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29 #define mbe_set_line_width(canvas, w) \
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30 do { \
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31 _MK_CURRENT_CTX(canvas); \
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32 vgSetf(VG_STROKE_LINE_WIDTH, w); \
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33 } while(0)
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34 #define mbe_set_source_rgb(canvas, r, g, b) \
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35 mbe_set_source_rgba(canvas, r, g, b, 1)
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36 #define mbe_get_font_face(canvas) ((mbe_font_face_t *)NULL)
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37 #define mbe_set_source(canvas, pattern) \
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38 do { \
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39 (canvas)->src = (pattern); \
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40 (canvas)->paint = (pattern)->paint; \
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41 (canvas)->paint_installed = 0; \
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42 } while(0)
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43 #define mbe_reset_scissoring(canvas) \
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44 do { \
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45 _MK_CURRENT_CTX(canvas); \
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46 vgSeti(VG_SCISSORING, VG_FALSE); \
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47 } while(0)
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48 #define mbe_get_target(canvas) ((mbe_surface_t *)(canvas)->tgt)
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49 #define mbe_close_path(canvas) \
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50 do { \
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51 char _vg_cmd = VG_CLOSE_PATH; \
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52 vgAppendPathData((canvas)->path, 1, &_vg_cmd, NULL); \
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53 } while(0)
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54 #define mbe_text_path(canvas, utf8)
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55 #define mbe_rectangle(canvas, x, y, w, h)
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56 #define mbe_in_stroke(canvas, x, y) (0)
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57 #define mbe_new_path(canvas) \
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58 vgClearPath((canvas)->path, VG_PATH_CAPABILITY_ALL)
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59 #define mbe_curve_to(canvas, x1, y1, x2, y2, x3, y3) \
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60 do { \
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61 VGfloat _vg_data[6] = {x1, y1, x2, y2, x3, y3}; \
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62 char _vg_cmd = VG_CUBIC_TO_ABS; \
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63 vgAppendPathData((canvas)->path, 1, &_vg_cmd, _vg_data); \
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64 } while(0)
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65 #define mbe_move_to(canvas, x, y) \
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66 do { \
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67 VGfloat _vg_data[2] = {x, y}; \
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68 char _vg_cmd = VG_MOVE_TO_ABS; \
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69 vgAppendPathData((canvas)->path, 1, &_vg_cmd, _vg_data); \
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70 } while(0)
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71 #define mbe_line_to(canvas, x, y) \
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72 do { \
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73 VGfloat _vg_data[2] = {x, y}; \
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74 char _vg_cmd = VG_LINE_TO_ABS; \
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75 vgAppendPathData((canvas)->path, 1, &_vg_cmd, _vg_data); \
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76 } while(0)
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77 #define mbe_in_fill(canvas, x, y) (1)
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78 /* TODO: change prototype of mbe_arc() to remove mbe_save() and
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79 * mbe_restore().
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80 */
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81 #define mbe_save(canvas)
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82 #define mbe_restore(canvas)
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83 #define mbe_arc(canvas, x, y, radius, angle_start, angle_stop)
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84
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85 typedef struct _mbe_text_extents_t mbe_text_extents_t;
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86 typedef int mbe_scaled_font_t;
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87 typedef int mbe_font_face_t;
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88 typedef struct _ge_openvg_surface mbe_surface_t;
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89 typedef struct _ge_openvg_pattern mbe_pattern_t;
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90 typedef struct _ge_openvg_mbe mbe_t;
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91 typedef struct _ge_openvg_img _ge_openvg_img_t;
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92
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93 struct _mbe_text_extents_t {
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94 co_aix x_bearing;
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95 co_aix y_bearing;
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96 co_aix width;
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97 co_aix height;
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98 co_aix x_advance;
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99 co_aix y_advance;
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100 };
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101
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102 struct _ge_openvg_mbe {
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103 mbe_pattern_t *src;
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104 VGPaint paint; /*!< \brief The paint associated with
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105 * the src pattern */
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106 int paint_installed;
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107 mbe_surface_t *tgt;
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108 EGLContext ctx;
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109 VGPath path;
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110
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111 VGfloat mtx[9];
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112 };
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113
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114 struct _ge_openvg_surface {
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115 void *surface;
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116 mbe_t *asso_mbe; /* There is a association between
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117 * surface and mbe */
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118 _ge_openvg_img_t *asso_img;
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119 int w, h;
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120 mb_img_fmt_t fmt;
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121 };
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122
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123 struct _ge_openvg_pattern {
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124 _ge_openvg_img_t *asso_img;
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diff changeset
125 VGfloat mtx[9];
595
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126 VGPaint paint;
580
7bfeccdc91cb Encapsulate information of OpenVG objects in structures.
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diff changeset
127 };
578
fd5f5d9e00d2 A dummy graphic engine for OpenVG.
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parents:
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128
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parents:
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129 #define MB_MATRIX_2_OPENVG(vgmtx, mtx) do { \
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130 (vgmtx)[0] = (mtx)[0]; \
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131 (vgmtx)[1] = (mtx)[1]; \
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132 (vgmtx)[2] = (mtx)[2]; \
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133 (vgmtx)[3] = (mtx)[3]; \
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134 (vgmtx)[4] = (mtx)[4]; \
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135 (vgmtx)[5] = (mtx)[5]; \
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136 (vgmtx)[6] = 0; \
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137 (vgmtx)[7] = 0; \
578
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138 (vgmtx)[8] = 1; \
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139 } while(0)
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140
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141 extern EGLNativeDisplayType _ge_openvg_disp_id;
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142 extern mbe_t *_ge_openvg_current_canvas;
612
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parents: 611
diff changeset
143 extern void _mbe_load_pattern_mtx(VGfloat *mtx1, VGfloat *mtx2, int mode);
619
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parents: 618
diff changeset
144 extern void _ge_vg_img_activate_for_pattern(mbe_pattern_t *ptn);
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parents: 618
diff changeset
145 extern void _ge_vg_img_activate_for_surface(mbe_surface_t *surf);
582
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parents: 580
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146
610
e78bff7d23d3 create pattern from surface for OpenVG
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parents: 608
diff changeset
147 extern mbe_pattern_t *mbe_pattern_create_for_surface(mbe_surface_t *surface);
606
e21eb54c7d9c Implement radial gradient paint.
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parents: 604
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148 extern mbe_pattern_t *mbe_pattern_create_radial(co_aix cx0, co_aix cy0,
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parents: 604
diff changeset
149 co_aix radius0,
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parents: 604
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150 co_aix cx1, co_aix cy1,
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151 co_aix radius1,
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152 grad_stop_t *stops,
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parents: 604
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153 int stop_cnt);
604
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Thinker K.F. Li <thinker@branda.to>
parents: 603
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154 extern mbe_pattern_t *mbe_pattern_create_linear(co_aix x0, co_aix y0,
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parents: 603
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155 co_aix x1, co_aix y1,
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156 grad_stop_t *stops,
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parents: 603
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157 int stop_cnt);
607
51dc49fd34a8 Create pattern from an image
Thinker K.F. Li <thinker@branda.to>
parents: 606
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158 extern mbe_pattern_t *mbe_pattern_create_image(mb_img_data_t *img);
618
35a67a837a53 Use reference count to trace life of _ge_openvg_img_t objects
Thinker K.F. Li <thinker@branda.to>
parents: 617
diff changeset
159 extern void mbe_pattern_destroy(mbe_pattern_t *ptn);
612
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Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
160 extern void mbe_pattern_set_matrix(mbe_pattern_t *ptn, co_aix *mtx);
598
aba62eb9362d define color source for VG
Thinker K.F. Li <thinker@branda.to>
parents: 597
diff changeset
161 extern void mbe_set_source_rgba(mbe_t *canvas, co_comp_t r, co_comp_t g,
aba62eb9362d define color source for VG
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parents: 597
diff changeset
162 co_comp_t b, co_comp_t a);
604
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parents: 603
diff changeset
163 /* TODO: rename n_areas to areas_cnt and make it after areas */
588
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 586
diff changeset
164 extern void mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas);
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parents: 586
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165
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parents: 586
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166
584
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167 #define _VG_DISPLAY() eglGetDisplay(_ge_openvg_disp_id)
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168
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169 /* \brief Make the context of a canvas to be current context.
604
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170 *
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171 * TODO: swtich VGImage between VGPaint and Surface.
584
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172 */
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173 #define _MK_CURRENT_CTX(canvas) do { \
543a2a8523fb Make surce current VG context
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174 if(_ge_openvg_current_canvas != (canvas)) { \
543a2a8523fb Make surce current VG context
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175 _ge_openvg_current_canvas = canvas; \
604
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176 eglMakeCurrent(_VG_DISPLAY(), \
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177 (canvas)->tgt->surface, \
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178 (canvas)->tgt->surface, \
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179 (canvas)->ctx); \
584
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180 } \
619
7020ed3c3e37 Actiavte a VGImage before using a pattern paint or image surface.
Thinker K.F. Li <thinker@branda.to>
parents: 618
diff changeset
181 /* \sa _ge_openvg_img_t */ \
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parents: 618
diff changeset
182 _ge_vg_img_activate_for_surface((canvas)->tgt); \
584
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183 } while(0)
604
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184 /* TODO: switch VGImage between VGPaint and surface. */
595
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185 #define _MK_CURRENT_PAINT(canvas) \
619
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parents: 618
diff changeset
186 do { \
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Thinker K.F. Li <thinker@branda.to>
parents: 618
diff changeset
187 if((canvas)->paint_installed == 0) { \
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parents: 618
diff changeset
188 vgSetPaint((canvas)->paint, VG_FILL_PATH|VG_STROKE_PATH); \
7020ed3c3e37 Actiavte a VGImage before using a pattern paint or image surface.
Thinker K.F. Li <thinker@branda.to>
parents: 618
diff changeset
189 (canvas)->paint_installed = 1; \
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parents: 618
diff changeset
190 } \
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parents: 618
diff changeset
191 /* \sa _ge_openvg_img_t */ \
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Thinker K.F. Li <thinker@branda.to>
parents: 618
diff changeset
192 if((canvas)->src) \
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Thinker K.F. Li <thinker@branda.to>
parents: 618
diff changeset
193 _ge_vg_img_activate_for_pattern((canvas)->src); \
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Thinker K.F. Li <thinker@branda.to>
parents: 618
diff changeset
194 } while(0)
583
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195
612
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diff changeset
196 #define mbe_transform(canvas, _mtx) \
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parents: 611
diff changeset
197 do { \
614
9c5705da2495 Fix the bug of foregting make current context before seting transform
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parents: 612
diff changeset
198 _MK_CURRENT_CTX(canvas); \
612
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diff changeset
199 MB_MATRIX_2_OPENVG((canvas)->mtx, _mtx); \
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parents: 611
diff changeset
200 _mbe_load_pattern_mtx(_mtx, NULL, \
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parents: 611
diff changeset
201 VG_MATRIX_PATH_USER_TO_SURFACE); \
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parents: 611
diff changeset
202 } while(0)
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diff changeset
203
583
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204
582
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Thinker K.F. Li <thinker@branda.to>
parents: 580
diff changeset
205 #define EGL_GLX 1
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parents: 580
diff changeset
206 #ifdef EGL_GLX
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parents: 580
diff changeset
207 #include <X11/Xlib.h>
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parents: 580
diff changeset
208 #include <X11/Xutil.h>
dd546c4da180 deal with EGL surface, context for OpenVG GE
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parents: 580
diff changeset
209
1110
851a062368bd Change signature of mbe_win_surface_create() by using format argument
Thinker K.F. Li <thinker@codemud.net>
parents: 1109
diff changeset
210 /*
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parents: 1109
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211 * TODO: define a proper type for display and drawable.
851a062368bd Change signature of mbe_win_surface_create() by using format argument
Thinker K.F. Li <thinker@codemud.net>
parents: 1109
diff changeset
212 */
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Thinker K.F. Li <thinker@codemud.net>
parents: 1109
diff changeset
213 extern mbe_surface_t *mbe_win_surface_create(void *display,
851a062368bd Change signature of mbe_win_surface_create() by using format argument
Thinker K.F. Li <thinker@codemud.net>
parents: 1109
diff changeset
214 void *drawable,
851a062368bd Change signature of mbe_win_surface_create() by using format argument
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parents: 1109
diff changeset
215 int fmt,
1077
e224f496e6b8 Add missed functions for openvg
Thinker K.F. Li <thinker@codemud.net>
parents: 630
diff changeset
216 int width, int height);
582
dd546c4da180 deal with EGL surface, context for OpenVG GE
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parents: 580
diff changeset
217 #endif
dd546c4da180 deal with EGL surface, context for OpenVG GE
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parents: 580
diff changeset
218
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
219 extern mbe_surface_t *mbe_image_surface_create(mb_img_fmt_t fmt,
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
220 int w, int h);
1077
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parents: 630
diff changeset
221 extern mbe_surface_t *
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Thinker K.F. Li <thinker@codemud.net>
parents: 630
diff changeset
222 mbe_image_surface_create_for_data(unsigned char *data,
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Thinker K.F. Li <thinker@codemud.net>
parents: 630
diff changeset
223 mb_img_fmt_t fmt,
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Thinker K.F. Li <thinker@codemud.net>
parents: 630
diff changeset
224 int width, int height,
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Thinker K.F. Li <thinker@codemud.net>
parents: 630
diff changeset
225 int stride);
618
35a67a837a53 Use reference count to trace life of _ge_openvg_img_t objects
Thinker K.F. Li <thinker@branda.to>
parents: 617
diff changeset
226 extern void mbe_surface_destroy(mbe_surface_t *surface);
582
dd546c4da180 deal with EGL surface, context for OpenVG GE
Thinker K.F. Li <thinker@branda.to>
parents: 580
diff changeset
227
622
39bd74da7f92 mbe_copy_source() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 621
diff changeset
228 extern void mbe_copy_source(mbe_t *src_canvas, mbe_t *dst_canvas);
1114
7451af5d63ec Make tank and calculator works for console backend
Thinker K.F. Li <thinker@codemud.net>
parents: 1110
diff changeset
229 extern void mbe_flush(mbe_t *canvas);
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
230 extern mbe_t *mbe_create(mbe_surface_t *surface);
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
231 extern void mbe_destroy(mbe_t *canvas);
608
6c74bc371e37 paint with alpha for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 607
diff changeset
232 extern void mbe_paint_with_alpha(mbe_t *canvas, co_comp_t alpha);
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
233 extern void mbe_paint(mbe_t *canvas);
597
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
234 extern void mbe_clear(mbe_t *canvas);
630
bd18951b51d5 Add initial code for graphic engines
Thinker K.F. Li <thinker@branda.to>
parents: 622
diff changeset
235 extern void mbe_init();
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
236
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
237 static void
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
238 mbe_stroke(mbe_t *canvas) {
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
239 _MK_CURRENT_CTX(canvas);
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
240 _MK_CURRENT_PAINT(canvas);
612
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Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
241 if(canvas->src)
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Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
242 _mbe_load_pattern_mtx(canvas->src->mtx, NULL,
b1d1b6c5af90 Implements setting pattern matrix for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
243 VG_MATRIX_STROKE_PAINT_TO_USER);
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
244
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
245 vgDrawPath(canvas->path, VG_STROKE_PATH);
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
246 vgClearPath(canvas->path, VG_PATH_CAPABILITY_ALL);
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
247 }
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
248
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
249 static void
616
7d70a811829b mbe_fill_preserve() and mbe_reset_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 615
diff changeset
250 mbe_fill_preserve(mbe_t *canvas) {
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
251 _MK_CURRENT_CTX(canvas);
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
252 _MK_CURRENT_PAINT(canvas);
612
b1d1b6c5af90 Implements setting pattern matrix for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
253 if(canvas->src)
b1d1b6c5af90 Implements setting pattern matrix for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
254 _mbe_load_pattern_mtx(canvas->src->mtx, NULL,
b1d1b6c5af90 Implements setting pattern matrix for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 611
diff changeset
255 VG_MATRIX_FILL_PAINT_TO_USER);
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
256
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
257 vgDrawPath(canvas->path, VG_FILL_PATH);
616
7d70a811829b mbe_fill_preserve() and mbe_reset_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 615
diff changeset
258 }
7d70a811829b mbe_fill_preserve() and mbe_reset_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 615
diff changeset
259
7d70a811829b mbe_fill_preserve() and mbe_reset_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 615
diff changeset
260 static void
7d70a811829b mbe_fill_preserve() and mbe_reset_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 615
diff changeset
261 mbe_fill(mbe_t *canvas) {
7d70a811829b mbe_fill_preserve() and mbe_reset_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 615
diff changeset
262 mbe_fill_preserve(canvas);
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
263 vgClearPath(canvas->path, VG_PATH_CAPABILITY_ALL);
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
264 }
578
fd5f5d9e00d2 A dummy graphic engine for OpenVG.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
265 /* @} */
fd5f5d9e00d2 A dummy graphic engine for OpenVG.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
266
fd5f5d9e00d2 A dummy graphic engine for OpenVG.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
267 #endif /* __MB_GE_OPENVG_H_ */