85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
|
#include "eglcommon.h"
|
||
|
|
|
||
|
|
#include <VG/openvg.h>
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
|
||
|
|
const VGfloat color[4] = {0.0, 0.0, 0.0, 1.0};
|
||
|
|
|
||
|
|
VGPath path;
|
||
|
|
VGPaint paint;
|
||
|
|
|
||
|
|
static void
|
||
|
|
init(void)
|
||
|
|
{
|
||
|
|
VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */
|
||
|
|
VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */
|
||
|
|
static const VGubyte segments[4] = {VG_MOVE_TO_ABS,
|
||
|
|
VG_SCCWARC_TO_ABS,
|
||
|
|
VG_SCCWARC_TO_ABS,
|
||
|
|
VG_CLOSE_PATH};
|
||
|
|
VGfloat data[12];
|
||
|
|
const VGfloat cx = 0, cy=29, width=80, height=40;
|
||
|
|
const VGfloat hw = width * 0.5f;
|
||
|
|
const VGfloat hh = height * 0.5f;
|
||
|
|
|
||
|
|
data[0] = cx + hw;
|
||
|
|
data[1] = cy;
|
||
|
|
data[2] = hw;
|
||
|
|
data[3] = hh;
|
||
|
|
data[4] = 0;
|
||
|
|
data[5] = cx - hw;
|
||
|
|
data[6] = cy;
|
||
|
|
data[7] = hw;
|
||
|
|
data[8] = hh;
|
||
|
|
data[9] = 0;
|
||
|
|
data[10] = data[0];
|
||
|
|
data[11] = cy;
|
||
|
|
|
||
|
|
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
|
||
|
|
vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED);
|
||
|
|
|
||
|
|
|
||
|
|
path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
|
||
|
|
1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL);
|
||
|
|
if (path == VG_INVALID_HANDLE) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
paint = vgCreatePaint();
|
||
|
|
if (paint == VG_INVALID_HANDLE) {
|
||
|
|
vgDestroyPath(path);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
vgAppendPathData(path, 4, segments, data);
|
||
|
|
vgSetParameterfv(paint, VG_PAINT_COLOR, 4, fillColor);
|
||
|
|
vgSetParameteri( paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
|
||
|
|
vgSetPaint(paint, VG_FILL_PATH);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* new window size or exposure */
|
||
|
|
static void
|
||
|
|
reshape(int w, int h)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
draw(void)
|
||
|
|
{
|
||
|
|
vgClear(0, 0, window_width(), window_height());
|
||
|
|
vgLoadIdentity();
|
||
|
|
vgTranslate(50, 21);
|
||
|
|
vgDrawPath(path, VG_FILL_PATH);
|
||
|
|
vgFlush();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
set_window_size(100, 100);
|
||
|
|
return run(argc, argv, init, reshape,
|
||
|
|
draw, 0);
|
||
|
|
}
|