LBitmapBase::SetPaintContrast

#include "ltwrappr.h"

L_INT LBitmapBase::SetPaintContrast(nValue)

L_INT nValue;

/* amount of contrast change */

Sets the paint contrast value used by painting operations. This value can be retrieved using the LBitmapBase::GetPaintContrast function.

Parameter	Description
nValue	The amount of contrast change. Valid values are -1000 to +1000.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

Use this function to set the value to be used for the paint contrast. This is the local paint contrast for the class object and is used when painting the bitmap.

Required DLLs and Libraries

LTDIS
LTFIL

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

See Also

Functions:	LBitmapBase::GetPaintContrast, LBitmapBase::EnableLocalSettings, LBitmapBase::IsLocalSettingsEnabled, Class Members
Topics:	Raster Image Functions: Displaying Images
	Raster Image Functions: Changing Brightness and Contrast

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LBitmapBase__SetPaintContrastExample()
{
   L_INT nRet;
   LBitmapBase MyBitmap;
   nRet =MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp")),24);
   if(nRet !=SUCCESS)
      return nRet;
   MyBitmap.SetPaintContrast(50);
   
   return SUCCESS;
}