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Diffstat (limited to 'progs/openvg/trivial/lineto.c')
-rw-r--r--progs/openvg/trivial/lineto.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/progs/openvg/trivial/lineto.c b/progs/openvg/trivial/lineto.c
new file mode 100644
index 0000000000..94e2981811
--- /dev/null
+++ b/progs/openvg/trivial/lineto.c
@@ -0,0 +1,56 @@
+#include "eglcommon.h"
+
+#include <VG/openvg.h>
+
+const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
+const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0};
+
+VGPath path;
+VGPaint fill;
+
+
+static void
+init(void)
+{
+ static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH};
+ static const VGfloat sqrCoords[5] = {50.0f, 50.0f, 250.0f, 250.0f, 50.0f};
+ path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
+ VG_PATH_CAPABILITY_APPEND_TO);
+ vgAppendPathData(path, 5, 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, 10);
+ vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT);
+ vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND);
+ vgSetf(VG_STROKE_MITER_LIMIT, 4.0f);
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+ vgLoadIdentity();
+}
+
+static void
+draw(void)
+{
+ vgClear(0, 0, window_width(), window_height());
+ vgSeti(VG_MATRIX_MODE, VG_MATRIX_STROKE_PAINT_TO_USER);
+ vgLoadIdentity();
+ vgScale(2.25, 2.25);
+ vgDrawPath(path, VG_STROKE_PATH);
+
+ vgFlush();
+}
+
+
+int main(int argc, char **argv)
+{
+ return run(argc, argv, init, reshape,
+ draw, 0);
+}