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1 <tool id="graphicsmagick_image_processing" name="Image Converter" version="0.1.0">
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2 <description></description>
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3 <requirements>
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4 <requirement type="package" version="1.3.18">graphicsmagick</requirement>
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5 </requirements>
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6 <command>
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7 ln -s '${input}' input.${input.ext};
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8 #set $trans_options = str($transformations).replace(',', ' ')
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9
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10 convert $trans_options input.${input.ext} temp.${output_format};
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11 mv temp.${output_format} '${output}';
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12 </command>
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13
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14 <inputs>
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15 <param format="jpg,png,bmp,gif,svg,eps,tiff,xcf" name="input" type="data" label="Image to convert" />
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16 <param name="transformations" multiple="true" type="select" display="checkboxes" label="Transformations">
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17 <option value="-flip">flip vertically</option>
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18 <option value="-flop">flip horizontally</option>
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19 <option value="-rotate 90">rotate 90 degree to the right</option>
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20 <option value="-rotate 270">rotate 90 degree to the left</option>
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21 <option value="-rotate 180">rotate 180 degree</option>
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22 </param>
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23 <param name="output_format" type="select" label="Output Format">
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24 <option value="jpeg">jpg</option>
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25 <option value="png">png</option>
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26 <option value="bmp">bmp</option>
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27 <option value="gif">gif</option>
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28 <option value="svg">svg</option>
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29 <option value="eps">eps</option>
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30 <option value="tiff">tiff</option>
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31 </param>
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32 </inputs>
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33 <outputs>
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34 <data format="png" name="output">
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35 <change_format>
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36 <when input="output_format" value="jpeg" format="jpg" />
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37 <when input="output_format" value="png" format="png" />
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38 <when input="output_format" value="bmp" format="bmp" />
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39 <when input="output_format" value="gif" format="gif" />
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40 <when input="output_format" value="svg" format="svg" />
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41 <when input="output_format" value="eps" format="eps" />
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42 <when input="output_format" value="tiff" format="tiff" />
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43 </change_format>
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44 </data>
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45 </outputs>
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46 <tests>
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47 <test>
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48 <param name="input" value="donald.jpg" />
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49 <output name="output" file="donald.png" compare="sim_size" />
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50 <param name="output_format" value="png" />
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51 <param name="transformations" value="-flip" />
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52 </test>
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53
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54 </tests>
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55 <help>
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56
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57 **What it does**
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58
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59 This tool converts an image into another format. You can also do some transformations like flipping or rotating.
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60 Here you can see, how -flip behaves:
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61
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62 Input:
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63
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64 .. image:: $PATH_TO_IMAGES/donald.jpg
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65
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66 Output:
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67
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68 .. image:: $PATH_TO_IMAGES/donald.png
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69
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70 </help>
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71 </tool>
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