L_LoadSvgMemory

// read the file into the buffer. The error checking is reduced for clarity 
L_INT ReadFileIntoBuffer(L_UCHAR* buffer, L_OFFSET bufferSize, L_TCHAR* fileName) 
{ 
   DWORD bytesRead; 
   HANDLE hFile = CreateFile(fileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); 
   if(hFile == INVALID_HANDLE_VALUE) 
      return ERROR_FILENOTFOUND; 
   ReadFile(hFile, buffer, (DWORD)bufferSize, &bytesRead, NULL); 
   CloseHandle(hFile); 
 
   return SUCCESS; 
} 
 
L_INT LoadSvgMemoryExample(L_VOID) 
{ 
   L_INT ret = SUCCESS; 
 
   L_UCHAR* buffer;    /* Pointer to the data in memory       */ 
   L_TCHAR* srcFileName = MAKE_IMAGE_PATH(TEXT("Leadtools.pdf")); 
   FILEINFO fileInfo; 
   memset(&fileInfo, 0, sizeof(FILEINFO)); 
   fileInfo.uStructSize = sizeof(FILEINFO); 
 
   LOADFILEOPTION loadFileOption; 
   L_GetDefaultLoadFileOption(&loadFileOption, sizeof(LOADFILEOPTION)); 
   loadFileOption.PageNumber = 1; 
 
   ret = L_FileInfo(srcFileName, &fileInfo, sizeof(FILEINFO), 0, NULL); 
   if(ret != SUCCESS) 
      return ret; 
 
   // allocate a memory buffer large enough to contain the file 
   L_SIZE_T bufferSize = (L_SIZE_T)fileInfo.SizeDisk; 
   buffer = (L_UCHAR*)malloc(bufferSize); 
   if(!buffer) 
      return ERROR_NO_MEMORY; 
   ret = ReadFileIntoBuffer(buffer, fileInfo.SizeDisk, srcFileName); 
   if(ret != SUCCESS) 
   { 
      free(buffer); 
      return ret; 
   } 
 
   // Check if the file can be loaded as SVG 
   L_BOOL canLoadSvg = TRUE; 
   ret = L_CanLoadSvgMemory(buffer, &canLoadSvg, bufferSize, &loadFileOption, &fileInfo); 
   if(ret != SUCCESS) 
   { 
      free(buffer); 
      return ret; 
   } 
 
   if(canLoadSvg) 
   { 
      // Load the file 
      LOADSVGOPTIONS options; 
      memset(&options, 0, sizeof(LOADSVGOPTIONS)); 
      options.uStructSize = sizeof(LOADSVGOPTIONS); 
 
      ret = L_LoadSvgMemory(buffer, &options, bufferSize, &loadFileOption, &fileInfo); 
 
      // Save the result 
      if(ret == SUCCESS) 
      { 
         ret = L_SvgSaveDocument(MAKE_IMAGE_PATH(TEXT("Leadtools.pdf.svg")), options.SvgHandle, NULL); 
 
         L_SvgFreeNode(options.SvgHandle); 
      } 
   } 
 
   return ret; 
}