WritePreview.cpp File Reference

Functions
void	WritePreview (const Dtk_PreviewPtr &inPreview, const Dtk_string &inName)

Function Documentation

WritePreview()

void WritePreview	(	const Dtk_PreviewPtr &	inPreview,
		const Dtk_string &	inName
	)

{
     if( inPreview.IsNULL() )
          return;
 
     Dtk_Int32 size = inPreview->GetStreamSize();
     char* imageData = inPreview->GetStream();
 
     if( size <= 0 || imageData == nullptr )
          return;
 
     Dtk_string previewExt;
 
     switch( inPreview->GetType() )
     {
          case PREVIEW_TYPE_DETK_JPG:
               previewExt = "jpg";
               break;
          case PREVIEW_TYPE_DETK_BMP:
               previewExt = "bmp";
               break;
          case PREVIEW_TYPE_DETK_PNG:
               previewExt = "png";
               break;
          case PREVIEW_TYPE_DETK_CGM:
               previewExt = "cgm";
               break;
          case PREVIEW_TYPE_DETK_GIF:
               previewExt = "gif";
               break;
          case PREVIEW_TYPE_DETK_TIFF:
               previewExt = "tiff";
               break;
          case PREVIEW_TYPE_DETK_ICO:
               previewExt = "ico";
               break;
          case PREVIEW_TYPE_DETK_EMF:
               previewExt = "emf";
               break;
          case PREVIEW_TYPE_DETK_UNKNOWN:
          default:
               previewExt = "jpg"; // Default to jpg if type is unknown
               break;
     }
 
     Dtk_string previewName = inName + "_Preview." + previewExt;
     FILE* previewPtr = previewName.OpenFile( "wb" );
     if( previewPtr )
     {
          fwrite( imageData, sizeof( char ), size, previewPtr );
          fclose( previewPtr );
          //std::cout << "Writing Preview " << previewName.c_str() << std::endl;
     }
}