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Annotated edit history of ImageMagick version 3, including all changes. View license author blame.
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3 AristotlePagaltzis 1 [ImageMagick | http://www.imagemagick.org/] is a collection of tools to mozify images, mostly from the CommandLine. Capabilities include:
1 AlastairPorter 2
3 * Resize, rotate, sharpen, color reduce, or add special effects to an image
4 * Create a montage of image thumbnails
5 * Create a transparent image suitable for use on the Web
6 * Turn a group of images into a GIF animation sequence
7 * Create a composite image by combining several separate images
8 * Draw shapes or text on an image
9 * Decorate an image with a border or frame
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3 AristotlePagaltzis 11 ----
2 AlastairPorter 12
3 AristotlePagaltzis 13 !!! Usage Examples
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15 ! Resizing
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17 convert -sample width x height input.jpg output.jpg
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2 AlastairPorter 19 The widths/heights can also take % values. It scales proportionally, so going 25%x25% on a non-square image will still make it come out non-square
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3 AristotlePagaltzis 21 ! Joining images together
2 AlastairPorter 22
23 convert files +append output.jpg
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25 The +append appears to join them together left to right. -append possibly does something else. Haven't really looked into it.
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27 Situation: You have a bunch of digital photos that you want to string next to each other for a website banner
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29 1. Resize them all to 400px high (Just for ease of doing stuff later)
30
31 for img in *.jpg
32 do
33 convert -sample x400 "$img" "$img"
34 done
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36 2. Join them together
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2 AlastairPorter 38 convert *.jpg +append output.jpg
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2 AlastairPorter 40 This will of course join them in alphabetical order. You may want to do something about that.
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3 AristotlePagaltzis 42 3. Final resize/add gradients in [TheGIMP]

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