LBitmapBase::SetPaintIntensity

#include "ltwrappr.h"

L_INT LBitmapBase::SetPaintIntensity(nValue)

L_INT nValue;

the amount to change the intensity

Sets the current intensity value of the class objects bitmap. This value is used by painting operations and can be retrieved using the LBitmapBase::GetPaintIntensity function.

Parameter

Description

nValue

The amount to change the intensity. Valid values are -1000 to +1000. A positive value increases (or lightens) the brightness of the display. A negative values decreases (or darkens) the brightness of the display.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

This will be the local paint intensity setting for the class object and is used when painting the bitmap.

Setting the intensity value that is used for painting lets you adjust the displayed brightness of all images without changing the bitmap data.

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::GetPaintIntensity, LBitmapBase::EnableLocalSettings, LBitmapBase::IsLocalSettingsEnabled, Class Members

Topics:

Raster Image Functions: Displaying Images

 

Changing Brightness and Contrast

 

Raster Image Functions: Changing Brightness and Contrast

Example

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

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