xenocara/dist/Mesa/progs/openvg/trivial/roundedrect.c

68 lines
1.8 KiB
C

#include "eglcommon.h"
#include <VG/openvg.h>
const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
const VGfloat color[4] = {0.9, 0.1, 0.1, 0.8};
VGPath path;
VGPaint fill;
static void
init(void)
{
static const VGubyte sqrCmds[10] = {VG_MOVE_TO_ABS,
VG_LINE_TO_ABS,
VG_CUBIC_TO_ABS,
VG_LINE_TO_ABS,
VG_CUBIC_TO_ABS,
VG_LINE_TO_ABS,
VG_CUBIC_TO_ABS,
VG_LINE_TO_ABS,
VG_CUBIC_TO_ABS,
VG_CLOSE_PATH};
static const VGfloat sqrCoords[] = {
45.885571, 62.857143,
154.11442, 62.857143,
162.1236, 62.857143, 168.57142, 70.260744, 168.57142, 79.457144,
168.57142, 123.4,
168.57142, 132.5964, 162.1236, 140, 154.11442, 140,
45.885571, 140,
37.876394, 140, 31.428572, 132.5964, 31.428572, 123.4,
31.428572, 79.457144,
31.428572, 70.260744, 37.876394,62.857143, 45.885571,62.857143
};
path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
VG_PATH_CAPABILITY_APPEND_TO);
vgAppendPathData(path, 10, sqrCmds, sqrCoords);
fill = vgCreatePaint();
vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color);
vgSetPaint(fill, VG_FILL_PATH);
vgSetfv(VG_CLEAR_COLOR, 4, white_color);
vgSetf(VG_STROKE_LINE_WIDTH, 6);
}
/* 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_STROKE_PATH);
}
int main(int argc, char **argv)
{
return run(argc, argv, init, reshape,
draw, 0);
}