ImageEn, unit imageenproc |
|
TImageEnProc.AdjustLevels
Declaration
procedure AdjustLevels(Shadow: integer; MidTone: integer; Highlight: integer; OutShadow: integer; OutHighlight: integer);
Description
Perform level adjustment with midtone.
Note:
◼Null values (causing no change) would be:
AdjustLevels( 0, 128, 255, 0, 255 );◼A UI for this is available to your users in the
Image Processing dialog◼If the image
PixelFormat is not ie24RGB or ie32RGB, it will be converted
Parameter | Description |
Shadow | Low input value (0-255) |
MidTone | Midtone input value (0-255, 128 = linear adjustment) |
Highlight | High input value (0-255) |
OutShadow | Low output value (0-255) |
OutHighlight | High output value (0-255) |
| Demos\ImageEditing\EveryMethod\EveryMethod.dpr |
// Load test image
ImageEnView1.IO.LoadFromFile( 'D:\TestImage.jpg' );
// Shift the midpoint of the image to brighten it
ImageEnView1.Proc.AdjustLevels( 0, 102, 201, 0, 255 );