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comparison src/graph_engine_openvg.c @ 598:aba62eb9362d openvg

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define color source for VG
author Thinker K.F. Li <thinker@branda.to>
date Thu, 01 Jul 2010 16:16:46 +0800
parents 3300992b29ff
children 20b396c09c23
comparison
equal deleted inserted replaced
597:3300992b29ff 598:aba62eb9362d
4 mbe_t *_ge_openvg_current_canvas = NULL; 4 mbe_t *_ge_openvg_current_canvas = NULL;
5 5
6 #ifndef ASSERT 6 #ifndef ASSERT
7 #define ASSERT(x) 7 #define ASSERT(x)
8 #endif 8 #endif
9
10 #define MB_2_VG_COLOR(r, g, b, a) ((((int)(0xf * r) & 0xf) << 24) | \
11 (((int)(0xf * g) & 0xf) << 16) | \
12 (((int)(0xf * b) & 0xf) << 16) | \
13 ((int)(0xf * a) & 0xf))
14
15 void mbe_set_source_rgba(mbe_t *canvas, co_comp_t r, co_comp_t g,
16 co_comp_t b, co_comp_t a) {
17 VGPaint paint;
18 VGuint color;
19
20 if(paint != VG_INVALID_HANDLE && canvas->src == NULL)
21 paint = canvas->paint; /* previous one is also a color paint */
22 else {
23 paint = vgCreatePaint();
24 ASSERT(paint != VG_INVALID_HANDLE);
25 canvas->paint = paint;
26 canvas->src = NULL;
27 }
28
29 color = MB_2_VG_COLOR(r, g, b, a);
30 vgSetColor(paint, color);
31 canvas->paint_installed = 0;
32 }
9 33
10 void 34 void
11 mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas) { 35 mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas) {
12 static VGint *scissors = NULL; 36 static VGint *scissors = NULL;
13 static int n_scissors = 0; 37 static int n_scissors = 0;