CRasterImage class members

Image Create/Load/Save/Clear functions

CreateImage	Creates and initializes memory space for the image
Load	Creates memory space, loads image from the file and stores it in OpenGL-readable format
Save	Saves current image to the file in required format
LoadFromMemory	Creates memory space, loads image from the memory and stores it in OpenGL-readable format
SaveToMemory	Stores image to the memory in required format
LoadAlphaChannel	Converts another image into alpha channel and loads the alpha values into the CRasterImage object
LoadThumbnail	Loads thumbnail of specified image file
LoadThumbnailFromMemory	Loads thumbnail of image stored in memory
LoadFromDIBSection	Loads image from a DIB bitmap
Clear	Releases image data and memory held by the object

Compression quality set/get functions

SetCompressQuality	Sets compression quality factor (available from version 3.1)
GetCompressQuality	Retrieves compression quality factor settings (available from version 3.1)

Image editing and data retrieval functions

Rotate	Rotates the image in 90 degrees increments
Resize	Resizes image to specified width and height and copies resized image to new CRasterImage object
Copy	Extracts specified portion of image to another CRasterImage object
Paste	Pastes another CRasterImage content into current object's image
ReplaceColor	Replace pixels with specified color (or colors in specified range) with another color
GetPixel	Retrieves pixel color and alpha value
SetPixel	Sets pixel to specified color and alpha value

Error info retrieval functions

GetLastErrorMessage

Retrieves textual description for last error (available from version 3.1)

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