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Loading jpg - color problems

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Hi! I am using directx7. I load my .bmp-graphics - all works well. But if i load the same graphics (using NViewLib.dll) as .jpg, it seems that black is not really black (my colorkey). For example around yellow colors there are a lot of pixels that appears not transparent. I use Adobe photoshop to save the .bmp as .jpg (highest quality). Any ideas? It would be nice to use .jpg to get a downloadable game. Thanks McMc

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Becuase of compression and approxmination of colour [even at "highest quality" there is compression] you end up with some colours varying.

if you are doing transaparency, i recommend tga or bmp, as you can savethese uncompressed.

i don''t know about the black "brightening"...

hope this helps...


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