<tool id="filter_mode" name="Filter - Mode" version="1.0.2">

	<description>Apply a mode filter of the given size.</description>
	
	<command interpreter="python">
		#if (str($input.ext) == 'jpg'):
			pil_filter.py $input $output mode $size jpeg
        #else:
			pil_filter.py $input $output mode $size ${input.ext}
		#end if 
  	</command>
	
	<inputs>
		<param name="input" type="data" format="png,jpg,tif,zip" label="Input image" help="Original RGB or grayscale image." />
		<param name="size" size="3" type="integer" value="3" label="Mode size" help="Mode size in pixels." />
	</inputs>
	
	<outputs>
		<data format="input" name="output" metadata_source="input" label="Mode ${size.value} on ${input.display_name}"/>
	</outputs>

	<help>
		Create a mode filter of the given size. For each pixel in the input image, this filter copies the most common pixel value in a (size, size) environment to the output image. If no pixel value occurs more than once, the original pixel value is used.
  	</help>

  	<tests>
  		<test>
  			<param name="input" value="images/sydney.jpg" />
  			<param name="size" value="3" />
  			<output name="output" file="images/sydney-mode.jpg" />
  		</test>
  	</tests>

</tool>