Add 2 isns related scripts

contrib/devtools/ICNS2PNG.md

@@ -0,0 +1,58 @@
+Source: http://manpages.ubuntu.com/manpages/precise/man1/icns2png.1.html
+
+NAME
+
+       icns2png - convert Mac OS icns files to png images
+
+SYNOPSIS
+
+       icns2png [-x|-l] [options] [file ... ]
+
+DESCRIPTION
+
+       icns2png  extracts images from mac .icns files, and exports them to png
+       format.
+
+OPTIONS
+
+       -l, --list
+              List the contents of one or more icns images
+
+       -x, --extract Extract one or more icons to png images
+
+       -o, --output
+              Where to place extracted files. If not specified, icons will  be
+              extracted to the same path as the source file.
+
+       -d, --depth
+              Sets the pixel depth of the icons to extract. (1,4,8,32)
+
+       -s, --size
+              Sets  the  width and height of the icons to extract. (16,48,etc)
+              Sizes 16x12, 16x16, 32x32, 48x48, 128x128, etc. are also valid.
+
+       -h, --help
+              Displays this help message.
+
+       -v, --version Displays the version information
+
+EXAMPLES
+
+       icns2png  -x  anicon.icns             #  Extract  all  icon  found   in
+       anicon.icns
+       icns2png -x -s 48 anicon.icns      # Extract all 48x48 32-bit icons
+       icns2png -x -s 32 -d 1 anicon.icns # Extract all 32x32 1-bit icons
+       icns2png  -l  anicon.icns             #  Lists  the  icons contained in
+       anicon.icns
+
+AUTHOR
+
+       Written by Mathew Eis
+
+COPYRIGHT
+
+       Copyright © 2001-2008 Mathew Eis
+       This is free software; see the source for copying conditions.  There is
+       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
+       PURPOSE.
+

contrib/devtools/PNG2ICNS.md

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+Source info: http://manpages.ubuntu.com/manpages/precise/man1/png2icns.1.html
+
+NAME
+
+       png2icns - convert png images to Mac OS icns files
+
+SYNOPSIS
+
+       png2icns file.icns file1.png [file2.png ... fileN.png ]
+
+DESCRIPTION
+
+       png2icns  imports  one  or more png images and converts them to an icns
+       file
+
+EXAMPLES
+
+       png2icns icon.icns big.png small.png  # Convert big.png  and  small.png
+       to icon.icns
+
+AUTHOR
+
+       Written by Julien BLACHE
+
+COPYRIGHT
+
+       Copyright © 2008 Julien BLACHE
+       Copyright © 2008 Mathew Eis
+       This is free software; see the source for copying conditions.  There is
+       NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR
+       PURPOSE.
+

contrib/devtools/README.md

@@ -109,3 +109,42 @@ It will do the following automatically:
 - add missing translations to the build system (TODO)
 
 See doc/translation-process.md for more information.
+
+png2icns
+========
+
+Run this script in a folder where your PNG's which you require for icns are.
+
+_Importan Info_: _**Only** convert the **icons that match sizes icns supports**: (16x16, 32x32, 128x128, 256x256, 512x512 and 1024x1024 pixels)_
+
+
+```
+png2icns ion.icns ion_16x16x32.png ion_128x128x32.png ion_256x256x32.png ion_48x48x32.png ion_512x512x32.png
+Using icns type 'is32', mask 's8mk' for 'ion_16x16x32.png'
+Using icns type 'it32', mask 't8mk' for 'ion_128x128x32.png'
+Using icns type 'ic08' (ARGB) for 'ion_256x256x32.png'
+Using icns type 'ih32', mask 'h8mk' for 'ion_48x48x32.png'
+Using icns type 'ic09' (ARGB) for 'ion_512x512x32.png'
+Saved icns file to ion.icns
+```
+
+icns2png
+========
+
+Run this script in a folder where you temporarly placed your icns file. It will extract all files.
+
+
+```
+icns2png -x ion.icns
+----------------------------------------------------
+Reading icns family from ion.icns...
+ Extracting icons from ion.icns...
+  Saved 'is32' element to ion_16x16x32.png.
+  Saved 'il32' element to ion_32x32x32.png.
+  Saved 'ih32' element to ion_48x48x32.png.
+  Saved 'it32' element to ion_128x128x32.png.
+  Saved 'ic08' element to ion_256x256x32.png.
+  Saved 'ic09' element to ion_512x512x32.png.
+Extracted 6 images from ion.icns.
+```
+

contrib/devtools/icns2png.sh

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+icns2png -x ion.icns

contrib/devtools/png2icns.sh

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+png2icns ion.icns ion_16x16x32.png ion_128x128x32.png ion_256x256x32.png ion_48x48x32.png ion_512x512x32.png