Name 

Description 

 

AlphaModifier 

Transparency parameter definition
0 : no transparency - completely opaque
1 (TRUE): 0 colors (absolute transparency) only
2-255 : 0 color transparent, plus transparency factor applied to all 2 - mostly almost completely transparent 255 not transparent (opaque)
257-511 : alpha transparency in pixel plus transparency value - 256 0 pixels will be transparent 257 - slightly more opaquen than the original 511 - image totally opaque - alpha will be totally overriden no addition 511 nearly completely transparent 512-767 ; the low byte of this is subtracted from the alpha of the image ; this allows images... more 

 

blot_methods 

Definitions of symbols to pass to SetBlotMethod to specify optimization method. 

 

BlotOperation 

specify the method that pixels are copied from one image to another 

 

color_byte_index 

byte index values for colors on the video buffer... 

 

ImageFlags 

Flags which may be combined in Image.flags 

 

string_behavior