Declaration
function AutoCrop(Tolerance: Integer; Background: TColor): TRect;
Description
Remove any bordering area of an image of a certain color.
If Background is clNone then transparent boundaries of the image will be cropped (using
CropAlpha).
| Parameter | Description |
| Tolerance | How closely we match the color to Background (0 to 255, where 0 matches only the specified color, and 255 would remove everything) |
| Background | The border color to remove |
Returns the area that was cropped.
If a border is not found the result will be a rect of (0, 0, w-1, h-1).
Note: AutoCrop() does
not consider the alpha channel except when Background is clNone