Static method: Bitmap MakeSemitransparentImage(int, int, Action<Graphics>, Action<Graphics>, Action<Graphics>, int, bool)

• Declared in: RT.Util.Drawing.GraphicsUtil

Declaration

public static Bitmap MakeSemitransparentImage(
    int width,
    int height,
    Action<Graphics> initGraphics,
    Action<Graphics> drawOpaqueLayer,
    Action<Graphics> drawTransparencyLayer,
    int transparencyFromChannel = 0,
    bool invertTransparency = false
)

Summary

Generates an image by taking the color components from one image and the transparency (alpha) layer from another.

Parameters

int	width	The width of the image to generate.
int	height	The height of the image to generate.
Action<Graphics>	initGraphics	Optional delegate to invoke on each of the two images.
Action<Graphics>	drawOpaqueLayer	Code to draw the color layers.
Action<Graphics>	drawTransparencyLayer	Code to draw the transparency (alpha) layer.
int	transparencyFromChannel	Which color channel from the transparency image to use for the final transparency: 0=alpha; 1=red; 2=green; 3=blue.
bool	invertTransparency	true to invert the channel identified by transparencyFromChannel before using it as transparency information.

Returns

The new bitmap generated.