graphics/pngcrush: Added to 12.2 repository
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Pngcrush is an optimizer for PNG (Portable Network Graphics) files. Its
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main purpose is to reduce the size of the PNG IDAT datastream by trying
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various compression levels an PNG filter methods. It also can be used to
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remove unwanted ancillary chunks, or to add certain chunks including
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gAMA, tRNS, iCCP, and textual chunks.
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Note
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-------
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This package builds the "nolib" version of pngcrush which assumes you
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have zlib and libpng installed (both are stock Slackware packages).
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#!/bin/sh
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#
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# Slackware build script for pngcrush
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#
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# Written by Beej Jorgensen <beej@beej.us>
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PRGNAM=pngcrush
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VERSION=${VERSION:-1.6.19}
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ARCH=${ARCH:-i486}
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BUILD=${BUILD:-1}
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TAG=${TAG:-_SBo}
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CWD=$(pwd)
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TMP=${TMP:-/tmp/SBo}
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PKG=$TMP/package-$PRGNAM
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OUTPUT=${OUTPUT:-/tmp}
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if [ "$ARCH" = "i486" ]; then
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SLKCFLAGS="-O2 -march=i486 -mtune=i686"
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elif [ "$ARCH" = "i586" ]; then
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SLKCFLAGS="-O2 -march=i586 -mtune=i686"
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elif [ "$ARCH" = "i686" ]; then
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SLKCFLAGS="-O2 -march=i686 -mtune=i686"
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elif [ "$ARCH" = "x86_64" ]; then
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SLKCFLAGS="-O2 -fPIC"
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fi
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set -e
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rm -rf $PKG
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mkdir -p $TMP $PKG $OUTPUT
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cd $TMP
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rm -rf $PRGNAM-$VERSION
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tar xvf $CWD/$PRGNAM-$VERSION-nolib.tar.bz2
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cd $PRGNAM-$VERSION-nolib
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chown -R root:root .
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find . \
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\( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
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-exec chmod 755 {} \; -o \
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\( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
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-exec chmod 644 {} \;
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# there is no Makefile
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cc $SLKCFLAGS -Wall -o $PRGNAM $PRGNAM.c -lpng
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mkdir -p $PKG/usr/bin
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cp -a $PRGNAM $PKG/usr/bin
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( cd $PKG
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find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
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xargs strip --strip-unneeded 2> /dev/null || true
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find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
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xargs strip --strip-unneeded 2> /dev/null || true
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)
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mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
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cp -a ChangeLog.html $PKG/usr/doc/$PRGNAM-$VERSION
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cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
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mkdir -p $PKG/install
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cat $CWD/slack-desc > $PKG/install/slack-desc
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cd $PKG
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/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
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PRGNAM="pngcrush"
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VERSION="1.6.19"
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HOMEPAGE="http://pmt.sourceforge.net/pngcrush/"
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DOWNLOAD="http://downloads.sourceforge.net/sourceforge/pmt/pngcrush-1.6.19-nolib.tar.bz2"
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MD5SUM="b0e298c903d81ad63ad9bf939a7e824a"
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MAINTAINER="Beej Jorgensen"
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EMAIL="beej@beej.us"
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APPROVED="dsomero"
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# HOW TO EDIT THIS FILE:
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# The "handy ruler" below makes it easier to edit a package description. Line
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# up the first '|' above the ':' following the base package name, and the '|'
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# on the right side marks the last column you can put a character in. You must
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# make exactly 11 lines for the formatting to be correct. It's also
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# customary to leave one space after the ':'.
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|-----handy-ruler----------------------------------------------------|
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pngcrush: pngcrush (PNG image optimizer)
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pngcrush:
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pngcrush: Pngcrush is an optimizer for PNG (Portable Network Graphics) files.
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pngcrush: Its main purpose is to reduce the size of the PNG IDAT datastream by
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pngcrush: trying various compression levels an PNG filter methods. It also can
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pngcrush: be used to remove unwanted ancillary chunks, or to add certain
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pngcrush: chunks including gAMA, tRNS, iCCP, and textual chunks.
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pngcrush:
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pngcrush: http://pmt.sourceforge.net/pngcrush/
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pngcrush:
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pngcrush:
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