annotate src/graph_engine_openvg.c @ 606:e21eb54c7d9c openvg

Implement radial gradient paint. - Refactory linear gradient creation function to share code with radial gradient creation function.
author Thinker K.F. Li <thinker@branda.to>
date Sun, 04 Jul 2010 16:31:39 +0800
parents a8fa4c550fe5
children 51dc49fd34a8
rev   line source
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dd546c4da180 deal with EGL surface, context for OpenVG GE
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1 #include "mb_graph_engine_openvg.h"
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2 #include "mb_tools.h"
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3
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4 EGLNativeDisplayType _ge_openvg_disp_id = EGL_DEFAULT_DISPLAY;
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5 mbe_t *_ge_openvg_current_canvas = NULL;
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6
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7 #ifndef ASSERT
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8 #define ASSERT(x)
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9 #endif
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10
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11 #define MB_2_VG_COLOR(r, g, b, a) ((((int)(0xf * r) & 0xf) << 24) | \
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12 (((int)(0xf * g) & 0xf) << 16) | \
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13 (((int)(0xf * b) & 0xf) << 16) | \
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14 ((int)(0xf * a) & 0xf))
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15
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16 static mbe_pattern_t *
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17 _mbe_pattern_create_gradient(VGfloat *gradient, int grad_len,
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18 int grad_type,
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19 grad_stop_t *stops, int stop_cnt) {
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20 VGPaint paint;
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21 mbe_pattern_t *pattern;
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22 static VGfloat *ov_stops = 0;
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23 static int max_stop_cnt = 0;
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24 VGfloat *cur_ov_stop;
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25 grad_stop_t *cur_stop;
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26 int i;
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27
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28 /* Make sure there is enough space */
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29 if(max_stop_cnt < stop_cnt) {
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30 max_stop_cnt = (stop_cnt + 0xf) & ~0xf;
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31 cur_ov_stop = (VGfloat *)realloc(stops,
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32 max_stop_cnt * sizeof(VGfloat) * 5);
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33 if(cur_ov_stop == NULL) {
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34 max_stop_cnt = 0;
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35 return NULL;
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36 }
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37 ov_stops = cur_ov_stop;
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38 }
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39 cur_ov_stop = ov_stops;
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40
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41 cur_stop = stops;
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42 for(i = 0; i < stop_cnt; i++) {
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43 *cur_ov_stop++ = cur_stop->offset;
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44 *cur_ov_stop++ = cur_stop->r;
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45 *cur_ov_stop++ = cur_stop->g;
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46 *cur_ov_stop++ = cur_stop->b;
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47 *cur_ov_stop++ = cur_stop->a;
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48 }
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49
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50 paint = vgCreatePaint();
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51 if(paint == VG_INVALID_HANDLE)
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52 return NULL;
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53 vgSetParameteri(paint, VG_PAINT_TYPE, grad_type);
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54 vgSetParameterfv(paint, VG_PAINT_RADIAL_GRADIENT, grad_len, gradient);
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55 vgSetParameterfv(paint, VG_PAINT_COLOR_RAMP_STOPS, 5 * stop_cnt, ov_stops);
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56
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57 pattern = O_ALLOC(mbe_pattern_t);
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58 if(pattern == NULL) {
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59 vgPaintDestroy(paint);
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60 return NULL;
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61 }
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62
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63 pattern->paint = paint;
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64 pattern->asso_img = NULL;
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65
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66 return pattern;
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67 }
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68
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69 /*
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70 * \note OpenVG does not support start circle, it supports only focal
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71 * point. It means radius0 is not working.
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72 */
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73 mbe_pattern_t *
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74 mbe_pattern_create_radial(co_aix cx0, co_aix cy0,
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75 co_aix radius0,
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76 co_aix cx1, co_aix cy1,
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77 co_aix radius1, grad_stop_t *stops,
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78 int stop_cnt) {
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79 mbe_pattern_t *pattern;
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80 VGfloat gradient[] = {cx0, cy0, cx1, cy1, radius1};
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81
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82 pattern = _mbe_pattern_create_gradient(gradient, 5,
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83 VG_PAINT_TYPE_RADIAL_GRADIENT,
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84 stops, stop_cnt);
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85 return pattern;
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86 }
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87
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88 mbe_pattern_t *
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89 mbe_pattern_create_linear(co_aix x0, co_aix y0,
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90 co_aix x1, co_aix y1,
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91 grad_stop_t *stops, int stop_cnt) {
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92 mbe_pattern_t *pattern;
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93 VGfloat gradient[] = {x0, y0, x1, y1};
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94
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95 pattern = _mbe_pattern_create_gradient(gradient, 4,
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96 VG_PAINT_TYPE_LINEAR_GRADIENT,
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97 stops, stop_cnt);
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98 return pattern;
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99 }
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100
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101 void
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102 mbe_set_source_rgba(mbe_t *canvas, co_comp_t r, co_comp_t g,
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103 co_comp_t b, co_comp_t a) {
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104 VGPaint paint;
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105 VGuint color;
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106
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107 if(paint != VG_INVALID_HANDLE && canvas->src == NULL)
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108 paint = canvas->paint; /* previous one is also a color paint */
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109 else {
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110 paint = vgCreatePaint();
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111 ASSERT(paint != VG_INVALID_HANDLE);
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112 canvas->paint = paint;
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113 canvas->src = NULL;
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114 }
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115
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116 color = MB_2_VG_COLOR(r, g, b, a);
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117 vgSetColor(paint, color);
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118 canvas->paint_installed = 0;
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119 }
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120
588
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121 void
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122 mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas) {
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123 static VGint *scissors = NULL;
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124 static int n_scissors = 0;
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125 VGint *coord;
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126 area_t *area;
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127 int i;
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128
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129 _MK_CURRENT_CTX(canvas);
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130
595
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131 if(n_areas > n_scissors) {
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132 if(scissors) free(scissors);
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133 n_scissors = (n_areas + 0xf) & ~0xf;
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134 scissors = (VGint *)malloc(sizeof(VGint) * n_scissors * 4);
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135 ASSERT(scissors != NULL);
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136 }
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137
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138 coord = scissors;
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139 for(i = 0; i < n_areas; i++) {
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Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
140 area = areas[i];
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
141 *coord++ = area->x;
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
142 *coord++ = area->y;
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
143 *coord++ = area->w;
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
144 *coord++ = area->h;
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
145 }
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
146
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
147 vgSetiv(VG_SCISSOR_RECTS, n_areas * 4, scissors);
588
e9923024f65e Implement mbe_scissoring() for OpenVG
Thinker K.F. Li <thinker@branda.to>
parents: 584
diff changeset
148 }
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
149
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
150 static int
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
151 _openvg_find_config(mb_img_fmt_t fmt, int w, int h,
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
152 EGLConfig *config) {
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
153 EGLDisplay display;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
154 EGLint attrib_list[16];
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
155 EGLConfig configs[1];
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
156 EGLint nconfigs;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
157 int i = 0;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
158 EGLBoolean r;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
159
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
160 switch(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
161 case MB_IFMT_ARGB32:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
162 attrib_list[i++] = EGL_RED_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
163 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
164 attrib_list[i++] = EGL_GREEN_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
165 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
166 attrib_list[i++] = EGL_BLUE_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
167 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
168 attrib_list[i++] = EGL_ALPHA_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
169 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
170 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
171
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
172 case MB_IFMT_RGB24:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
173 attrib_list[i++] = EGL_RED_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
174 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
175 attrib_list[i++] = EGL_GREEN_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
176 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
177 attrib_list[i++] = EGL_BLUE_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
178 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
179 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
180
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
181 case MB_IFMT_A8:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
182 attrib_list[i++] = EGL_ALPHA_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
183 attrib_list[i++] = 8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
184 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
185
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
186 case MB_IFMT_A1:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
187 attrib_list[i++] = EGL_ALPHA_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
188 attrib_list[i++] = 1;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
189 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
190
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
191 case MB_IFMT_RGB16_565:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
192 attrib_list[i++] = EGL_RED_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
193 attrib_list[i++] = 5;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
194 attrib_list[i++] = EGL_GREEN_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
195 attrib_list[i++] = 6;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
196 attrib_list[i++] = EGL_BLUE_SIZE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
197 attrib_list[i++] = 5;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
198 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
199
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
200 default:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
201 return -1;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
202 }
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
203
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
204 attrib_list[i++] = EGL_SURFACE_TYPE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
205 attrib_list[i++] = EGL_PBUFFER_BIT;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
206 #if 0
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
207 attrib_list[i++] = EGL_MAX_PBUFFER_WIDTH;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
208 attrib_list[i++] = w;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
209 attrib_list[i++] = EGL_MAX_PBUFFER_HEIGHT;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
210 attrib_list[i++] = h;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
211 #endif
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
212
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
213 attrib_list[i++] = EGL_NONE;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
214
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
215 display = _VG_DISPLAY();
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
216 r = eglChooseConfig(display, attrib_list, configs, 1, &nconfigs);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
217 if(!r)
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
218 return -1;
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
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 *config = configs[0];
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
221
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
222 return 0;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
223 }
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
224
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
225 #ifdef EGL_GLX
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
226 #include <X11/Xlib.h>
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
227 #include <X11/Xutil.h>
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
228
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
229 static int
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 _get_img_fmt_from_xvisual(Display *display, Visual *visual) {
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
231 VisualID visual_id;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
232 XVisualInfo temp;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
233 XVisualInfo *infos;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
234 int n;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
235 int fmt = -1;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
236
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
237 visual_id = XVisualIDFromVisual(visual);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
238 temp.visualid = visual_id;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
239 infos = XGetVisualInfo(display, VisualIDMask, &temp, &n);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
240 if(n != 1)
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
241 return -1;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
242
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
243 switch(infos->depth) {
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
244 case 32:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
245 fmt = MB_IFMT_ARGB32;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
246 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
247
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
248 case 24:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
249 fmt = MB_IFMT_RGB24;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
250 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
251
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
252 case 16:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
253 fmt = MB_IFMT_RGB16_565;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
254 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
255
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
256 case 8:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
257 fmt = MB_IFMT_A8;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
258 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
259
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
260 case 1:
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
261 fmt = MB_IFMT_A1;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
262 break;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
263 }
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
264
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
265 return fmt;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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266 }
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267
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268 /*! \brief Create an EGL window surface for X11.
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269 *
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270 * This function is compiled only for GLX enabled.
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271 */
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272 mbe_surface_t *
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273 mbe_vg_win_surface_create(Display *display, Drawable drawable,
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274 Visual *visual, int width, int height) {
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275 EGLDisplay egl_disp;
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276 EGLSurface egl_surface;
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277 mbe_surface_t *surface;
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278 EGLConfig config;
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279 EGLint attrib_list[2] = {EGL_NONE};
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280 int fmt;
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281 int r;
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282
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283 fmt = _get_img_fmt_from_xvisual(display, visual);
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284 if(fmt == -1)
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285 return NULL;
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286
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287 r = _openvg_find_config(fmt, width, height, &config);
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288 if(r != 0)
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289 return NULL;
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290
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291 egl_disp = eglGetDisplay(display);
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292 if(egl_disp == EGL_NO_DISPLAY || egl_disp != _VG_DISPLAY())
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293 return NULL;
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294
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295 egl_surface = eglCreateWindowSurface(egl_disp, config, drawable,
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296 attrib_list);
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297
605
a8fa4c550fe5 use O_ALLOC() to make code clear
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298 surface = O_ALLOC(mbe_surface_t);
589
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299 if(surface == NULL) {
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300 eglDestroySurface(egl_disp, egl_surface);
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301 return NULL;
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302 }
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303
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304 surface->surface = egl_surface;
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305
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306 return surface;
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307 }
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308
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diff changeset
309 #endif
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310
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311 mbe_surface_t *
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312 mbe_image_surface_create(mb_img_fmt_t fmt, int w, int h) {
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313 EGLSurface surface;
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314 EGLDisplay display;
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315 EGLConfig config;
592
de9d210e9c38 Specify width and height while create an image surface
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316 EGLint attrib_list[5];
589
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317 mbe_surface_t *mbe_surface;
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318 int r;
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319
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320
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321 r = _openvg_find_config(fmt, w, h, &config);
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322 if(r != 0)
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323 return NULL;
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324
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325 display = _VG_DISPLAY();
592
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326 attrib_list[0] = EGL_WIDTH;
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327 attrib_list[1] = w;
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328 attrib_list[2] = EGL_HEIGHT;
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329 attrib_list[3] = h;
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330 attrib_list[4] = EGL_NONE;
589
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331 /* Some implementation does not support pbuffer.
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332 * We need use some other surface to replace this one.
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333 */
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334 surface = eglCreatePbufferSurface(display, config, attrib_list);
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335 if(surface == EGL_NO_SURFACE)
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336 return NULL;
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337
605
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338 mbe_surface = O_ALLOC(mbe_surface_t);
590
b714f0c9992e include a VGPath in VG canvas
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diff changeset
339 if(mbe_surface == NULL) {
591
71df2896877c build graph_engine_openvg.c in makefile
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parents: 590
diff changeset
340 eglDestroySurface(display, surface);
589
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341 return NULL;
590
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diff changeset
342 }
589
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343 mbe_surface->surface = surface;
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344 mbe_surface->asso_mbe = NULL;
592
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diff changeset
345 mbe_surface->w = w;
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diff changeset
346 mbe_surface->h = h;
589
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347
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348 return mbe_surface;
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349 }
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350
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351 mbe_t *
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352 mbe_create(mbe_surface_t *surface) {
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diff changeset
353 EGLDisplay display;
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diff changeset
354 EGLConfig config;
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355 EGLContext ctx, shared;
590
b714f0c9992e include a VGPath in VG canvas
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diff changeset
356 VGPath path;
589
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357 EGLint attrib_list[2] = {EGL_NONE};
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358 mbe_t *canvas;
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359
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360 display = _VG_DISPLAY();
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361 ctx = eglCreateContext(display, config, shared, attrib_list);
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362 if(ctx == EGL_NO_CONTEXT)
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363 return NULL;
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364
590
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diff changeset
365 path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
b714f0c9992e include a VGPath in VG canvas
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diff changeset
366 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
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diff changeset
367 if(path == VG_INVALID_HANDLE) {
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diff changeset
368 eglDestroyContext(display, ctx);
b714f0c9992e include a VGPath in VG canvas
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diff changeset
369 return NULL;
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diff changeset
370 }
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diff changeset
371
605
a8fa4c550fe5 use O_ALLOC() to make code clear
Thinker K.F. Li <thinker@branda.to>
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diff changeset
372 canvas = O_ALLOC(mbe_t);
590
b714f0c9992e include a VGPath in VG canvas
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diff changeset
373 if(canvas == NULL) {
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diff changeset
374 eglDestroyContext(display, ctx);
b714f0c9992e include a VGPath in VG canvas
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diff changeset
375 vgDestroyPath(path);
589
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diff changeset
376 return NULL;
590
b714f0c9992e include a VGPath in VG canvas
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diff changeset
377 }
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
378
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
379 canvas->src = NULL;
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
380 canvas->paint = VG_INVALID_HANDLE;
597
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
381 canvas->paint_installed = 0;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
382 canvas->tgt = surface;
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diff changeset
383 canvas->ctx = ctx;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
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diff changeset
384 canvas->path = path;
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
385
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
386 return canvas;
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parents: 588
diff changeset
387 }
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
388
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
389 void
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
390 mbe_destroy(mbe_t *canvas) {
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
391 EGLDisplay display;
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
392
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
393 display = _VG_DISPLAY();
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
394
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
395 vgDestroyPath(canvas->path);
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
396 eglDestroyContext(display, canvas->ctx);
591
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
parents: 590
diff changeset
397 canvas->tgt->asso_mbe = NULL; /* remove association */
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
parents: 590
diff changeset
398 free(canvas);
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
399 }
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
400
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
401 void
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
402 mbe_paint(mbe_t *canvas) {
596
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
403 EGLDisplay display;
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
404 EGLint w, h;
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
405 EGLBoolean r;
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
406 VGPath path;
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
407
596
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
408 _MK_CURRENT_CTX(canvas);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
409 _MK_CURRENT_PAINT(canvas);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
410
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
411 display = _VG_DISPLAY();
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
412
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
413 r = eglQuerySurface(display, canvas->tgt, EGL_WIDTH, &w);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
414 ASSERT(r == EGL_TRUE);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
415 r = eglQuerySurface(display, canvas->tgt, EGL_HEIGHT, &h);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
416 ASSERT(r == EGL_TRUE);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
417
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
418 vgSeti(VG_SCISSORING, VG_FALSE);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
419
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
420 path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
421 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
422 vguRect(path, 0, 0, w, h);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
423 vgDrawPath(path, VG_FILL_PATH);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
424 vgDestroyPath(path);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
425
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
426 vgSeti(VG_SCISSORING, VG_TRUE);
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
427 }
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
428
597
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
429 void
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
430 mbe_clear(mbe_t *canvas) {
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
431 VGPaint paint;
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
432
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
433 _MK_CURRENT_CTX(canvas);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
434
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
435 paint = vgCreatePaint();
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
436 ASSERT(paint != VG_INVALID_HANDLE);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
437 vgSetColor(paint, 0);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
438
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
439 vgSetPaint(paint, VG_FILL_PATH);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
440 vgSeti(VG_BLEND_MODE, VG_BLEND_SRC);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
441 vgDrawPath(canvas->path, VG_FILL_PATH);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
442 vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
443
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
444 vgDestroyPaint(paint);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
445
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
446 canvas->paint_installed = 0;
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
447 }