Typoscipt setup

plugin.tx_extname_pi2 {
  imageMask = fileadmin/img/watermarkMask.gif
  imageBack = fileadmin/img/watermark.gif
}

class tx_extname_pi2 extends tslib_pibase {

	var $path = 'uploads/tx_extname/'; // Path to uploaded files

	...

	/**
	 * Compose two images - original image with mask in right bottom corner
	 *
	 * @param 	string		$image: image name
	 * @return	string 		$content: path+image (combined)
	 */
	function composeImage( $image )	{	

		if( !copy( $this->path.$image, $this->path.'w'.$image ) ) {
			$this->content .= "failed to copy $image...\n";
		}
		else {
			$file = $this->path.$image;
			$outfile = $this->path.'w'.$image;

			$this->imgObj = t3lib_div::makeInstance('t3lib_stdGraphic');
			$this->imgObj->init();
			$this->imgObj->mayScaleUp = 0;
			$this->imgObj->tempPath = PATH_site.$this->imgObj->tempPath;

			$imgInfo = $this->imgObj->getImageDimensions( $outfile );
			$this->imgSize = array( $imgInfo[0], $imgInfo[1] ); 

			$this->combineExec( $file, $this->conf['imageBack'], $this->conf['imageMask'], $outfile );
			return $outfile;
		}
	}

	function combineExec( $input, $overlay, $mask, $output ) {
	
		$params = ' -colorspace GRAY +matte '; // -negate 
		$theMask = 'fileadmin/perfora/img/mask.gif';
		$this->imgObj->imageMagickExec( $mask, $theMask, $params );
		
		$cmd = t3lib_div::imageMagickCommand( 'combine', '-compose over +matte -gravity SouthEast -quality 90 '.$this->imgObj->wrapFileName( $input ).' '.$this->imgObj->wrapFileName( $overlay ).' '.$this->imgObj->wrapFileName( $theMask ).' '.$this->imgObj->wrapFileName( $output ) );
		$this->IM_commands[] = array( $output, $cmd );
		$ret = exec( $cmd );
		t3lib_div::fixPermissions( $this->imgObj->wrapFileName( $output ) );
		
		if( is_file( $theMask ) ) {
			@unlink( $theMask );
		}
		return $ret;
	}
}

Vytvorenie obrázku pomocou definovaných funkcií

Premenná $row['image'] obsahuje názov obrázku.

class tx_extname_pi2 extends tslib_pibase {
	...
	$image = '<img src="'.$this->composeImage( $row['image'] ).'" title="" alt="" />';
	...
}