Differential D19165 Diff 52092 contributors_manual/optimising_images.rst

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contributors_manual/optimising_images.rst

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27 27​
28Windows 28​Windows
29~~~~~~~ 29​~~~~~~~
30 30​
31Windows has a build-in screenshot tool. It is by default on the PrtSc key. On laptops you will sometimes need to use the fn key. 31​Windows has a build-in screenshot tool. It is by default on the PrtSc key. On laptops you will sometimes need to use the fn key.
32 32​
33Linux 33​Linux
34~~~~~ 34​~~~~~
35Both Gnome and KDE have decent screenshot tools showing up by default when using the PrtSc key, as well do other popular desktop enviroments. If, for whatever reason, you have no 35​Both Gnome and KDE have decent screenshot tools showing up by default when using the PrtSc key, as well do other popular desktop environments. If, for whatever reason, you have no
36 36​
37ImageMagick 37​ImageMagick
38 With imagemagick, you can use the following command:: 38​ With imagemagick, you can use the following command::
39 39​
40 import -depth 8 -dither <filename.png> 40​ import -depth 8 -dither <filename.png>
41 41​
42While we should minimize the amount of gifs in the manual for a variety of accesibility reasons, you sometimes still need to make gifs and short videos. Furthermore, gifs are quite nice to show off features with release notes. 42​While we should minimize the amount of gifs in the manual for a variety of accessibility reasons, you sometimes still need to make gifs and short videos. Furthermore, gifs are quite nice to show off features with release notes.
43 43​
44For making short gifs, you can use the following programs: 44​For making short gifs, you can use the following programs:
45 45​
46* `Peek <https://github.com/phw/peek>`_ -- This one has an appimage and a very easy user-interface. Like many screenrecording programs it does show trouble on Wayland. 46​* `Peek <https://github.com/phw/peek>`_ -- This one has an appimage and a very easy user-interface. Like many screenrecording programs it does show trouble on Wayland.
47 47​
48OS X 48​OS X
49~~~~ 49​~~~~
50 50​
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103`PNGCrush <https://pmt.sourceforge.io/pngcrush/>`_ 103​`PNGCrush <https://pmt.sourceforge.io/pngcrush/>`_
104 A lossless PNG compressor. Usage:: 104​ A lossless PNG compressor. Usage::
105 105​
106 pngcrush image.png imageout.png 106​ pngcrush image.png imageout.png
107 107​
108 This will try the most common methods. Add ``-brute`` to try out all methods. 108​ This will try the most common methods. Add ``-brute`` to try out all methods.
109 109​
110`Optipng <http://optipng.sourceforge.net/>`_ 110​`Optipng <http://optipng.sourceforge.net/>`_
111 Another lossless PNG compressor which can be run after using PNGQuant, it is apparantly originally a fork of png crush. 111​ Another lossless PNG compressor which can be run after using PNGQuant, it is apparently originally a fork of png crush.
112 Usage:: 112​ Usage::
113 113​
114 optipng image.png 114​ optipng image.png
115 115​
116 where image is the filename. OptiPNG will then proceed to test several compression algorithms and **overwrite** the image.png file with the optimised version. You can avoid overwriting with the ``--out imageout.png`` command. 116​ where image is the filename. OptiPNG will then proceed to test several compression algorithms and **overwrite** the image.png file with the optimised version. You can avoid overwriting with the ``--out imageout.png`` command.
117 117​
118Optimising GIF 118​Optimising GIF
119^^^^^^^^^^^^^^ 119​^^^^^^^^^^^^^^
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