24bpp to 16bpp
anyone knows about a handy converter which converts bitmaps from 24 bit to 16 bit bitmaps? it should be able to convert many bitmaps at once.
thanks in advance
ps: why? because i made all my graphics in 24 bit and i made the game in 16 bit mode.. okay, it all works, but it looks much better if i convert the bitmaps to 16 bit.
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The problem is, there are hardly any 16 bit bitmap formats. I think TGA (Targa) supports it, but I dunno. I save mine as raw data, and sadly have no converter.
I just have my graphics engine convert it when it reads the BMP onto the surface.
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24 bit color modes have a full range of RGB values 0-255
16 bit color modes are a word values
in 16 bit color Red has 5 bits , green has 6(sometimes 5), and blue has 5
RED shift values right 3
GREEN shift values right 2
BLUE shift values right 3
blue+green(2^5)+red(2^11)=your color value
blue has bits 0-4 (5 bits)
green has bits 5-10 (6 bits)
red has bits 11-16 (5 bits)
Edited by - GoofProg on September 15, 2001 3:55:45 PM
16 bit color modes are a word values
in 16 bit color Red has 5 bits , green has 6(sometimes 5), and blue has 5
RED shift values right 3
GREEN shift values right 2
BLUE shift values right 3
blue+green(2^5)+red(2^11)=your color value
blue has bits 0-4 (5 bits)
green has bits 5-10 (6 bits)
red has bits 11-16 (5 bits)
Edited by - GoofProg on September 15, 2001 3:55:45 PM
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