diff options
Diffstat (limited to 'progs/egl/openvg/trivial/lineto.c')
-rw-r--r-- | progs/egl/openvg/trivial/lineto.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/progs/egl/openvg/trivial/lineto.c b/progs/egl/openvg/trivial/lineto.c new file mode 100644 index 00000000000..94e29818116 --- /dev/null +++ b/progs/egl/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); +} |