Overview
ImagXpress® contains the ability to add or remove alpha channel information to an image. The following properties and methods are for handling the alpha channel in images.
Properties
LoadAlphaChannel | Gets and sets whether alpha channel data is loaded with the image. |
ViewAlphaBlend | Gets and sets whether alpha blending an image to the background of the control when an alpha channel is present in the image. |
Methods
AlphaAdd | Adds an alpha channel to an image. |
AlphaFill | Fills the alpha channel with the value specified. |
AlphaFlatten | A 32 bit image with an alpha channel (ARGB) will be merged with (alpha channel applied to) the specified color, resulting in a blended 24 bit RGB image. |
AlphaGet | Gets the alpha value at a specified location in the image. |
AlphaInvert | Invert the alpha values throughout the current image, region, or area. |
AlphaRemove | Removes alpha channel data from a 32 bit image. |
AlphaReturn | Returns a handle to an 8 bit gray scale image depicting the alpha channel data. |
AlphaSet | Set an alpha value at a specified location in the image. |
Modify the DIB
Modify Alpha Channel