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94 lines
2.4 KiB
Bash
94 lines
2.4 KiB
Bash
#!/bin/sh
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#
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# Make a set of test PNG files, MAKEPNG is the name of the makepng executable
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# built from contrib/libtests/makepng.c
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# Copyright (c) 2015 John Cunningham Bowler
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# Last changed in libpng 1.6.20 [December 3, 2015]
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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# The arguments say whether to build all the files or whether just to build the
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# ones that extend the code-coverage of libpng from the existing test files in
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# contrib/pngsuite.
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test -n "$MAKEPNG" || MAKEPNG=./makepng
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opts=
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mp(){
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${MAKEPNG} $opts $1 "$3" "$4" "$3-$4$2.png"
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}
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mpg(){
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if test "$1" = "none"
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then
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mp "" "" "$2" "$3"
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else
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mp "--$1" "-$1" "$2" "$3"
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fi
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}
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mptrans(){
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if test "$1" = "none"
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then
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mp "--tRNS" "-tRNS" "$2" "$3"
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else
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mp "--tRNS --$1" "-$1-tRNS" "$2" "$3"
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fi
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}
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case "$1" in
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--small)
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opts="--small";;&
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--all|--small)
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for g in none sRGB linear 1.8
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do
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for c in gray palette
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do
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for b in 1 2 4
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do
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mpg "$g" "$c" "$b"
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mptrans "$g" "$c" "$b"
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done
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done
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mpg "$g" palette 8
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mptrans "$g" palette 8
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for b in 8 16
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do
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for c in gray gray-alpha rgb rgb-alpha
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do
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mpg "$g" "$c" "$b"
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done
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for c in gray rgb
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do
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mptrans "$g" "$c" "$b"
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done
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done
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done;;
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--coverage)
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# Comments below indicate cases known to be required and not duplicated
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# in other (required) cases; the aim is to get a minimal set that gives
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# the maximum code coverage.
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mpg none gray-alpha 8 # required: code coverage, sRGB opaque component
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mpg none palette 8 # required: basic palette read
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mpg 1.8 gray 2 # required: tests gamma threshold code
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mpg 1.8 palette 2 # required: code coverage
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mpg 1.8 palette 4 # required: code coverage
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mpg 1.8 palette 8 # error limits only
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mpg linear palette 8 # error limits only
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mpg linear rgb-alpha 16 # error limits only
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mpg sRGB palette 1 # required: code coverage
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mpg sRGB rgb-alpha 16 # required: code coverage: pngread.c:2422 untested
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:;;
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*)
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echo "$0 $1: unknown argument, usage:" >&2
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echo " $0 [--all|--coverage|--small]" >&2
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exit 1
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esac
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