59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
#include "eglcommon.h"
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#include <VG/openvg.h>
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const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
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const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0};
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VGPath path;
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VGPaint fill;
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static void
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init(void)
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{
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static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH};
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static const VGfloat sqrCoords[5] = {50.0f, 50.0f, 250.0f, 250.0f, 50.0f};
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path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
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VG_PATH_CAPABILITY_APPEND_TO);
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vgAppendPathData(path, 5, sqrCmds, sqrCoords);
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fill = vgCreatePaint();
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vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color);
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vgSetPaint(fill, VG_FILL_PATH);
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vgSetfv(VG_CLEAR_COLOR, 4, white_color);
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vgSetf(VG_STROKE_LINE_WIDTH, 10);
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vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT);
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vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND);
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vgSetf(VG_STROKE_MITER_LIMIT, 4.0f);
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vgSeti(VG_MASKING, VG_TRUE);
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vgMask(VG_INVALID_HANDLE, VG_CLEAR_MASK,
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25, 25, 100, 100);
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}
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/* new window size or exposure */
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static void
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reshape(int w, int h)
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{
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vgLoadIdentity();
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}
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static void
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draw(void)
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{
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vgClear(0, 0, window_width(), window_height());
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vgDrawPath(path, VG_FILL_PATH);
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vgFlush();
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}
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int main(int argc, char **argv)
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{
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return run(argc, argv, init, reshape,
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draw, 0);
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}
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