LBitmapBase::ChangeHeight

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#include "ltwrappr.h"

virtual L_INT LBitmapBase::ChangeHeight(nHeight)

L_INT nHeight;

/* the new height of the bitmap */

Changes the height of the bitmap.

Parameter	Description
nHeight	The new height of the bitmap.

Returns

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

Comments

Call this function to change the height of 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::Access, LBitmapBase::Allocate, LBitmapBase::Release, LBitmapBase::PutRow, LBitmapBase::PutRowCol, LBitmapBase::PutRowCompressed, LBitmapBase::PutRowColCompressed
Topics:	Raster Image Functions: Loading Files
	Raster Image Functions: Redirecting Input and Output
	Raster Image Functions: Input and Output
	Loading and Saving Images

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LBitmapBase__ChangeHeightExample()
{
   L_INT nRet;
   LBitmapBase MyBitmap;
   MyBitmap.SetFileName(MAKE_IMAGE_PATH(TEXT("Image1.cmp")));
   nRet =MyBitmap.Load();
   if(nRet !=SUCCESS)
      return nRet;
   if(MyBitmap.IsAllocated())
   {
      nRet =MyBitmap.Access();
      if(nRet !=SUCCESS)
         return nRet;//add 50 lines to the image
      nRet =MyBitmap.ChangeHeight(MyBitmap.GetHeight()+50);
      if(nRet !=SUCCESS)
         return nRet;
      nRet =MyBitmap.Release();
      if(nRet !=SUCCESS)
         return nRet;
   }
   return SUCCESS;
}