Method _singleCapture

Engine/source/gfx/screenshot.cpp:218–254

void ScreenShot::_singleCapture( GuiCanvas *canvas )
{
   // Let the canvas render the scene.
   canvas->renderFrame( false );

   // Now grab the current back buffer.
   GBitmap *bitmap = _captureBackBuffer();

	// The current GFX device couldn't capture the backbuffer or it's unable of doing so.
	if (bitmap == NULL)
		return;

   // We captured... clear the flag.
   mPending = false;

   // We gotta attach the extension ourselves.
   char filename[256];
   dSprintf( filename, 256, "%s.%s", mFilename, mWriteJPG ? "jpg" : "png" );

   // Open up the file on disk.
   FileStream fs;
   if ( !fs.open( filename, Torque::FS::File::Write ) )
      Con::errorf( "ScreenShot::_singleCapture() - Failed to open output file '%s'!", filename );
   else
   {
      // Write it and close.
      if ( mWriteJPG )
         bitmap->writeBitmap( "jpg", fs );
      else
         bitmap->writeBitmap( "png", fs );

      fs.close();
   }

   // Cleanup.
   delete bitmap;
}


DefineEngineFunction( screenShot, void,