LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LFile > LFile Member Functions > LFile::ReadStamp |
#include "ltwrappr.h"
virtual L_INT LFile::ReadStamp(pLoadFileOption=NULL)
pLOADFILEOPTION pLoadFileOption; |
/* pointer to optional extended load options */ |
Reads a thumbnail image stored in a file and loads it into a specified bitmap.
Parameter |
Description |
pLoadFileOption |
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
Only EXIF, CMP, JFIF and FlashPix formats support stamps. However, not all files of these formats contain stamps.
NOTE: At this time, there are no multipage formats that support stamps.
Required DLLs and Libraries
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. |
Win32, x64.
See Also
Functions: |
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Topics: |
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Example
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName L_INT LFile__ReadStampExample() { LFile LeadFile ; LBitmapBase LeadBitmap ; L_INT nRet = 0 ; LeadFile.SetBitmap(&LeadBitmap); LeadFile.SetFileName(MAKE_IMAGE_PATH(TEXT("Image1.fpx"))); //Reads a thumbnail image stored in a FlashPix file and loads it into a specified bitmap. nRet = LeadFile.ReadStamp(); if (nRet == SUCCESS) { //Puts a stamp, in an existing FlashPix file "IMAGE1.FPX" LeadFile.SetFileName(MAKE_IMAGE_PATH(TEXT("IMAGE1.FPX"))); nRet = LeadFile.WriteStamp(NULL); } else { MessageBox(NULL,TEXT("File has no thumbnail image"),TEXT("Stamp"),MB_OK); } return nRet; }