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Add pngquant, it converts 24/32-bit RGBA PNGs to 8-bit palette with alpha channel preserved.

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This commit is contained in:
Jaka Hudoklin 2013-10-28 18:32:23 +01:00
parent 04fc38d233
commit 24f0eccaa8
2 changed files with 28 additions and 0 deletions
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26
pkgs/tools/graphics/pngquant/default.nix Normal file
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@ -0,0 +1,26 @@
{ stdenv, fetchgit, libpng }:
stdenv.mkDerivation rec {
name = "pngquant-${version}";
version = "2.0.1";
src = fetchgit {
url = https://github.com/pornel/pngquant.git;
rev = "refs/tags/${version}";
sha256 = "00mrv9wgxbwy517l8i4n7n3jpzirjdgi0zass3wj29i7xyipwlhf";
};
buildInputs = [ libpng ];
preInstall = ''
mkdir -p $out/bin
export PREFIX=$out
'';
meta = with stdenv.lib; {
homepage = https://github.com/pornel/pngquant;
description = "pngquant converts 24/32-bit RGBA PNGs to 8-bit palette with alpha channel preserved";
platforms = platforms.all;
license = licenses.bsd2; # Not exactly bsd2, but alike
};
}

2
pkgs/top-level/all-packages.nix
View file

@ -1596,6 +1596,8 @@ let
libpng = libpng12;
};
pngquant = callPackage ../tools/graphics/pngquant { };
podiff = callPackage ../tools/text/podiff { };
poedit = callPackage ../tools/text/poedit { };