diff options
Diffstat (limited to 'progs/egl/openvg/trivial/star-nonzero.c')
-rw-r--r-- | progs/egl/openvg/trivial/star-nonzero.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/progs/egl/openvg/trivial/star-nonzero.c b/progs/egl/openvg/trivial/star-nonzero.c new file mode 100644 index 00000000000..012fbd39294 --- /dev/null +++ b/progs/egl/openvg/trivial/star-nonzero.c @@ -0,0 +1,55 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat green_color[4] = {0.0, 1.0, 0.0, 0.8}; + +VGPath path; +VGPaint fill; + + +static void +init(void) +{ + static const VGubyte cmds[6] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, + VG_LINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat coords[] = { 0, 200, + 300, 200, + 50, 0, + 150, 300, + 250, 0}; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 6, cmds, coords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, green_color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSeti(VG_FILL_RULE, VG_NON_ZERO); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_FILL_PATH | VG_STROKE_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} |