vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_BETTER);
vgSeti(VG_IMAGE_QUALITY, VG_IMAGE_QUALITY_BETTER);
vgSeti(VG_SCISSORING, VG_FALSE);
// clear with four active scissor rectangles
col[0] = 0.6f; col[1] = 0.2f; col[2] = 0.4f; col[3] = 1.0f;
vgSetfv(VG_CLEAR_COLOR, 4, col);
vgClear(0, 0, 256, 256);
vgSeti(VG_SCISSORING, VG_TRUE);
scissorRects[0]  =   50.0f;  scissorRects[1]  =   50.0f;  scissorRects[2]  =  40.0f;  scissorRects[3]  =  30.0f;
scissorRects[4]  =  150.0f;  scissorRects[5]  =  100.0f;  scissorRects[6]  =  80.0f;  scissorRects[7]  =  80.0f;
scissorRects[8]  =  100.0f;  scissorRects[9]  =   10.0f;  scissorRects[10] =  30.0f;  scissorRects[11] = 130.0f;
scissorRects[12] =  200.0f;  scissorRects[13] =  200.0f;  scissorRects[14] = 140.0f;  scissorRects[15] = 130.0f;
vgSetfv(VG_SCISSOR_RECTS, 16, scissorRects);
col[0] = 0.2f; col[1] = 0.4f; col[2] = 0.6f; col[3] = 1.0f;
vgSetfv(VG_CLEAR_COLOR, 4, col);
vgClear(0, 0, 256, 256);

saveDrawingSurface(f, "vgclear04.png", "vgClear with four active scissor rectangles.", 0, 0, 256, 256);
eglSwapBuffers(display, surface);