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#1 Posted : Friday, July 22, 2005 6:26:42 AM(UTC)

yren  
yren

Groups: Registered
Posts: 4


I like one of the functions in Adobe PhotoShop: Auto Level. How can I achieve that using LeadTools?

Thanks!

Yi

 

 

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#2 Posted : Monday, July 25, 2005 12:52:26 PM(UTC)
Maen Hasan

Groups: Registered, Tech Support
Posts: 1,328

Was thanked: 1 time(s) in 1 post(s)

Hello,

What is the programming interface (COM, OCX, API, etc.) you are using?

However, LEADTOOLS supports the AutoLevel functionality in our Raster Pro and above toolkits:

=========================
AutoLevel functionality:
=========================
1. If you are using the API programming interface, you can use the L_AutoColorLevelBitmap function to implement the AutoLevel feature as shown below:
-----------------------------------------
nRet = L_AutoColorLevelBitmap (&pData->LeadBitmap, NULL, DEFAULT_BLACK_CLIP, DEFAULT_WHITE_CLIP, AUTO_LEVEL);
-----------------------------------------

For more information, you can refer to the "LEADTOOLS Main API Help file, Version 14" and read the following topic:
- L_AutoColorLevelBitmap
 
2. If you are using the COM programming interface, you can use the AutoColorLevel method (ILEADRasterProcess) to implement the AutoLevel feature as shown below:
-----------------------------------------
Dim RasterProc As New LEADRasterProcess
RasterProc.AutoColorLevel LEADRasterView1.Raster, 50, 50, AUTO_LEVEL
-----------------------------------------

 
For more information, you can refer to the following topic in the "LEADTOOLS Main COM Object Help file":
- AutoColorLevel method (ILEADRasterProcess)

Thanks,
Maen Badwan
LEADTOOLS Technical Support

 
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