コード例 #1
0
ファイル: pattern.go プロジェクト: jimmyfrasche/cairo
//NewRadialGradient creates a new radial gradient between the circles
//start and end, with specified color stops.
//
//Originally cairo_pattern_create_radial and cairo_pattern_add_color_stop_rgba.
func NewRadialGradient(start, end Circle, colorStops ...ColorStop) RadialGradient {
	x0, y0, r0 := start.c()
	x1, y1, r1 := end.c()
	p := C.cairo_pattern_create_radial(x0, y0, r0, x1, y1, r1)
	P := patternGradient{
		XtensionPattern: XtensionNewPattern(p),
	}
	P.addColorStops(colorStops)
	return RadialGradient{
		patternGradient: P,
		start:           start,
		end:             end,
	}
}
コード例 #2
0
// cairo_pattern_t* cairo_pattern_create_radial (double cx0, double cy0, double radius0, double cx1, double cy1, double radius1);
func RadialGradient(cx0, cy0, radius0, cx1, cy1, radius1 float64) (pattern *Pattern) {
	return &Pattern{C.cairo_pattern_create_radial(C.double(cx0), C.double(cy0), C.double(radius0),
		C.double(cx1), C.double(cy1), C.double(radius1))}
}