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L_ReadFileTransforms

#include "l_bitmap.h"

L_LTFIL_API L_INT L_ReadFileTransforms(pszFile, pTransforms, pLoadOptions)

Reads the transforms stored with an image in a FlashPix file.

Parameters

L_TCHAR * pszFile

Character string containing the FlashPix file name.

pFILETRANSFORMS pTransforms

Pointer to a transform structure.

pLOADFILEOPTION pLoadOptions

Pointer to optional extended load options. Pass NULL to use the default load options.

Returns

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

Comments

Note: Page number is specified in the LOADFILEOPTION structure. To load a FlashPix file with or without the transforms, refer to FlashPix Transforms Options.

For more information on transforms in general, refer to FILETRANSFORMS.

Required DLLs and Libraries

LTFIL
File format DLLs
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, Linux.

Functions

Topics

Raster Image Functions: Getting and Setting File Information
Raster Image Functions: Doing Geometric Transformations
Raster Image Functions: Modifying Intensity Values
Raster Image Functions: Loading Files
Loading and Saving Images
For a list of functions that utilize the LOADFILEOPTION or SAVEFILEOPTION structures, refer to Functions Utilizing the LOADFILEOPTION or SAVEFILEOPTION structures.

Example

L_INT ReadFileTransformsExample(L_VOID) 
{ 
   L_INT nRet; 
   FILETRANSFORMS FileTransforms; 
 
   nRet = L_ReadFileTransforms(MAKE_IMAGE_PATH(TEXT("IMAGE1.FPX")), 
                        &FileTransforms, NULL); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   //Increase the contrast by 20% 
   FileTransforms.fContrastAdjustment = FileTransforms.fContrastAdjustment * 1.2f; 
   nRet = L_WriteFileTransforms(MAKE_IMAGE_PATH(TEXT("IMAGE1.FPX")), 
                         &FileTransforms, FALSE, NULL); 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
}

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