TImageEnProc.MatchHSVRange
Declaration
function MatchHSVRange(HueBegin, HueEnd, SatBegin, SatEnd, ValBegin, ValEnd: Integer; ColorizeMatched: Boolean; MatchColor: TRGB; ColorizeNonMatched: Boolean; NonMatchColor: TRGB): Integer;Description
Replace colors in an image based on hue, satuation or intensity values.If ColorizeMatched is true then this method colorizes pixels that match the specified HSV (Hue, Saturation and Value) range to MatchColor color.
If ColorizeNonMatched is true, non-matching pixels are set to NonMatchColor.
| Parameter | Description |
|---|---|
| HueBegin | Starting Hue value (0 to 359) |
| HueEnd | Ending Hue value (0 to 359) |
| SatBegin | Starting Saturation value (0 to 99) |
| SatEnd | Ending Saturation value (0 to 99) |
| ValBegin | Starting Intensity value (0 to 99) |
| ValEnd | Ending Intensity value (0 to 99) |
| ColorizeMatched | If true next parameter specifies the matched color |
| MatchColor | New pixel color when HSV conversion fit inside specified ranges |
| ColorizeNonMatched | If true next parameter specifies the non-matched color |
| NonMatchColor | New pixel color when HSV conversion does not fit inside specified ranges |
Returns the number of matching pixels.
Note: If the image PixelFormat is not ie24RGB, it will be converted
Demo
 | Demos\ImageEditing\EveryMethod\EveryMethod.dpr |
Example
// Load test imageImageEnView1.IO.LoadFromFile( 'D:\TestImage.jpg' );
// Make any bluish colors in the image absolutely blue
ImageEnView1.Proc.MatchHSVRange( 170, 260, 20, 99, 0, 99, True, CreateRGB( 0, 0, 255 ), False, CreateRGB( 255, 255, 255 ));
