LBitmapBase::ChangeHeight

#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; 
}

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