L_ReadFileTransforms - Raster Imaging C API Help

L_ReadFileTransforms

#include "l_bitmap.h"

L_LTFIL_API L_INT L_ReadFileTransforms(pszFile, pTransforms, pLoadOptions)

L_TCHAR* pszFile;

file name

pFILETRANSFORMS pTransforms;

pointer to a transform structure

pLOADFILEOPTION pLoadOptions;

pointer to optional extended load options

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

Parameter

Description

pszFile

Character string containing the FlashPix file name.

pTransforms

Pointer to a transform structure.

pLoadOptions

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

Returns

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, see 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.

See Also

Functions:

L_HighPassFilterBitmap

 

L_WriteFileTransforms

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; 
} 
Help Version 20.0.2018.7.30
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