// create a paint object
paint = vgCreatePaint();

// set some values different from defaults
vgSetParameteri(paint, VG_PAINT_TYPE, VG_RENDERING_QUALITY_NONANTIALIASED);
writeInt(f, vgGetError(), "vgSetParameteri(paint, VG_PAINT_TYPE, VG_RENDERING_QUALITY_NONANTIALIASED)");

colStops[0] = 0.0f;
colStops[1] = 1.0f;
colStops[2] = 0.0f;
colStops[3] = 0.0f;
colStops[4] = 1.0f;
colStops[5] = 0.3f;
colStops[6] = 0.0f;
colStops[7] = 1.0f;
colStops[8] = 0.0f;
colStops[9] = 1.0f;
colStops[10] = 1.0f;
colStops[11] = 0.0f;
colStops[12] = 0.0f;
colStops[13] = 1.0f;
colStops[14] = 1.0f;
vgSetParameterfv(paint, VG_PAINT_COLOR_RAMP_STOPS, 13, colStops);
writeInt(f, vgGetError(), "vgSetParameterfv(paint, VG_PAINT_COLOR_RAMP_STOPS, 13, colStops)");

vgSetParameteri(paint, VG_PAINT_COLOR_RAMP_SPREAD_MODE, VG_PIXEL_LAYOUT_RGB_VERTICAL);
writeInt(f, vgGetError(), "vgSetParameteri(paint, VG_PAINT_COLOR_RAMP_SPREAD_MODE, VG_PIXEL_LAYOUT_RGB_VERTICAL)");

vgSetParameteri(paint, VG_PAINT_PATTERN_TILING_MODE, VG_MATRIX_FILL_PAINT_TO_USER);
writeInt(f, vgGetError(), "vgSetParameteri(paint, VG_PAINT_PATTERN_TILING_MODE, VG_MATRIX_FILL_PAINT_TO_USER)");

// destroy paint object
vgDestroyPaint(paint);