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#45: How can I convert color value into gray-scaled color value? |
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If you want to convert a colored image into same gray scaled,
then you must convert the color of the each pixel by the next
schema: function RgbToGray(Source: TColor) : TColor; var Target: Byte; begin Target := Round((0.30 * GetRValue(Source)) + (0.59 * GetGValue(Source)) + (0.11 * GetBValue(Source))); Result := RGB(Target, Target, Target); end;
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