On Tue, 31 Aug 1999 14:51:36 +0800, “xiaomin” wrote:
>how to adjust Bright and constant for any format
>of bitmap(pf4 ,pf8…).
>
brightness, just add an equal value to each channel.
contrast, multiply with a value, either > 1 (for increased contrast)
or < 1 for less contrast)
- Asbjørn
[tags]Delphi, Graphic[/tags]
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