Sets the paint contrast value used by painting operations. This value can be retrieved using the LBitmapBase::GetPaintContrast function.
#include "ltwrappr.h"
virtual L_INT LBitmapWindow::SetPaintContrast(nValue)
The amount of contrast change. Valid values are -1000 to +1000.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
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.
This sets the paint contrast for the floater bitmap to the passed value.
Win32, x64.
L_INT LBitmapWindow__SetPaintContrastExample()
{
L_INT nRet;
LBitmapWindow MyBitmap;
nRet =MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp")),24);
if(nRet !=SUCCESS)
return nRet;
nRet =MyBitmap.SetPaintContrast(50);
if(nRet !=SUCCESS)
return nRet;
return SUCCESS;
}
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