L_ReverseBitmapViewPerspective

#include "l_bitmap.h"

L_LTKRN_API L_INT L_ReverseBitmapViewPerspective(pBitmap)

/* pointer to the bitmap handle */

Performs a fast reverse operation by changing the bitmap's view perspective.

Parameter	Description
pBitmap	Pointer to the bitmap handle referencing the bitmap to reverse.

Returns

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

Comments

To update a status bar or detect a user interrupt during execution of this function, refer to L_SetStatusCallback.

This function is similar to L_RotateBitmapViewPerspective.

The bitmap data remains unchanged.

Required DLLs and Libraries

LTKRN

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, Mobile.

See Also

Functions:	L_ReverseBitmap, L_RotateBitmapViewPerspective, L_RotateBitmap, L_ShearBitmap, L_FlipBitmap
Topics:	Raster Image Functions: Doing Geometric Transformations
	Resizing Considerations

Example

For complete sample code, refer to the FEATURE2 example. This example loads a bitmap and reverses it.

 L_INT ReverseBitmapViewPerspectiveExample(L_VOID)
{
   L_INT nRet;
   BITMAPHANDLE LeadBitmap;   /* Bitmap handle to hold the loaded image. */

   /* Load the bitmap, keeping the bits per pixel of the file */
   nRet = L_LoadBitmap (MAKE_IMAGE_PATH(TEXT("IMAGE1.CMP")), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
   if(nRet != SUCCESS)
      return nRet;
   /* Reverse the bitmap */
   nRet = L_ReverseBitmapViewPerspective(&LeadBitmap);
   if(nRet != SUCCESS)
      return nRet;

   nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LeadBitmap, FILE_BMP, 24, 0, NULL);
   if(nRet != SUCCESS)
      return nRet;
   if(LeadBitmap.Flags.Allocated)
      L_FreeBitmap(&LeadBitmap);  
   return SUCCESS;
}