Reads a thumbnail image stored in a file and loads it into a specified bitmap.
#include "ltwrappr.h"
virtual L_INT LFile::ReadStamp(pLoadFileOption=NULL)
Pointer to optional extended load options. Pass NULL to use the default load options.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Only EXIF, CMP, JFIF, FlashPix and HEIF/HEIC formats support stamps. However, not all files of these formats contain stamps.
NOTE: At this time, the only multipage format that supports stamps is HEIF/HEIC.
Win32, x64.
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;
}
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