Esempi in C++ (Cpp) per Sprite2D::IsPixelTransparent

Esempio n. 1

File: Button.cpp Progetto: BehoIder/gemrb

bool Button::IsPixelTransparent(unsigned short x, unsigned short y)
{
	// some buttons have hollow Image frame filled w/ Picture
	// some buttons in BG2 are text only (if BAM == 'GUICTRL')
	Sprite2D* Unpressed = buttonImages[BUTTON_IMAGE_UNPRESSED];
	if (Picture || PictureList.size() || ! Unpressed) return false;
	int xOffs = ( Width / 2 ) - ( Unpressed->Width / 2 );
	int yOffs = ( Height / 2 ) - ( Unpressed->Height / 2 );
	return Unpressed->IsPixelTransparent(x - xOffs, y - yOffs);
}