Method alphaBlend

bitmap.go:411–413

alphaBlend displays bitmaps that have transparent or semitransparent pixels. bounds is represented in native pixels.

(hdc win.HDC, bounds Rectangle, opacity byte)

// alphaBlend displays bitmaps that have transparent or semitransparent pixels. bounds is represented in native pixels.
func (bmp *Bitmap) alphaBlend(hdc win.HDC, bounds Rectangle, opacity byte) error {
	return bmp.alphaBlendPart(hdc, bounds, Rectangle{0, 0, bmp.size.Width, bmp.size.Height}, opacity)
}

// alphaBlendPart displays bitmaps that have transparent or semitransparent pixels. dst and src are
// represented in native pixels.