From 2f3394a1cba248c2e5da449b53f7bb8e8438a1e8 Mon Sep 17 00:00:00 2001 From: Johannes 'josch' Schauer Date: Mon, 20 Aug 2018 10:28:14 +0200 Subject: [PATCH] Add extensive test suite test.sh --- test.sh | 1362 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1362 insertions(+) create mode 100755 test.sh diff --git a/test.sh b/test.sh new file mode 100755 index 0000000..f1299d1 --- /dev/null +++ b/test.sh @@ -0,0 +1,1362 @@ +#!/bin/sh + +set -eu + +similar() +{ + psnr=$(compare -metric PSNR "$1" "$2" null: 2>&1 || true) + if [ -z "$psnr" ]; then + echo "compare failed" + return 1 + fi + + # PSNR of zero means that they are identical + if [ "$psnr" = 0 ]; then + echo "images are equal -- don't use similar() but require exactness" + exit 2 + fi + + # The lower PSNR value, the fewer the similarities + # The lowest (and worst) value is 1.0 + min_psnr=50 + if [ "$min_psnr" != "$( printf "$psnr\n$min_psnr\n" | sort --general-numeric-sort | head --lines=1)" ]; then + echo "pdf wrongly rendered" + return 1 + fi + return 0 +} + +compare_rendered() +{ + pdf="$1" + img="$2" + gsdevice=png16m + if [ "$#" -eq 3 ]; then + gsdevice="$3" + fi + + compare_ghostscript "$pdf" "$img" "$gsdevice" + + compare_poppler "$pdf" "$img" + + compare_mupdf "$pdf" "$img" +} + +compare_ghostscript() +{ + pdf="$1" + img="$2" + gsdevice="$3" + gs -dQUIET -dNOPAUSE -dBATCH -sDEVICE="$gsdevice" -r96 -sOutputFile="$tempdir/gs-%00d.png" "$pdf" + compare -metric AE "$img" "$tempdir/gs-1.png" null: 2>/dev/null + rm "$tempdir/gs-1.png" +} + +compare_poppler() +{ + pdf="$1" + img="$2" + pdftocairo -r 96 -png "$pdf" "$tempdir/poppler" + compare -metric AE "$img" "$tempdir/poppler-1.png" null: 2>/dev/null + rm "$tempdir/poppler-1.png" +} + +compare_mupdf() +{ + pdf="$1" + img="$2" + mutool draw -o "$tempdir/mupdf.png" -r 96 "$pdf" 2>/dev/null + compare -metric AE "$img" "$tempdir/mupdf.png" null: 2>/dev/null + rm "$tempdir/mupdf.png" +} + +compare_pdfimages() +{ + pdf="$1" + img="$2" + pdfimages -png "$pdf" "$tempdir/images" + compare -metric AE "$img" "$tempdir/images-000.png" null: 2>/dev/null + rm "$tempdir/images-000.png" +} + +tempdir=$(mktemp --directory --tmpdir img2pdf.XXXXXXXXXX) + +# we use -strip to remove all timestamps (tIME chunk and exif data) +convert -size 60x60 \( xc:none -fill red -draw 'circle 30,21 30,3' -gaussian-blur 0x3 \) \ + \( \( xc:none -fill lime -draw 'circle 39,39 36,57' -gaussian-blur 0x3 \) \ + \( xc:none -fill blue -draw 'circle 21,39 24,57' -gaussian-blur 0x3 \) \ + -compose plus -composite \ + \) -compose plus -composite \ + -strip \ + "$tempdir/alpha.png" + +convert "$tempdir/alpha.png" -background black -alpha remove -alpha off -strip "$tempdir/normal16.png" + +convert "$tempdir/normal16.png" -depth 8 -strip "$tempdir/normal.png" + +convert "$tempdir/normal.png" -negate -strip "$tempdir/inverse.png" + +convert "$tempdir/normal16.png" -colorspace Gray -depth 16 -strip "$tempdir/gray16.png" +convert "$tempdir/normal16.png" -colorspace Gray -dither FloydSteinberg -colors 256 -depth 8 -strip "$tempdir/gray8.png" +convert "$tempdir/normal16.png" -colorspace Gray -dither FloydSteinberg -colors 16 -depth 4 -strip "$tempdir/gray4.png" +convert "$tempdir/normal16.png" -colorspace Gray -dither FloydSteinberg -colors 4 -depth 2 -strip "$tempdir/gray2.png" +convert "$tempdir/normal16.png" -colorspace Gray -dither FloydSteinberg -colors 2 -depth 1 -strip "$tempdir/gray1.png" + +# use "-define png:exclude-chunk=bkgd" because otherwise, imagemagick will +# add the background color (white) as an additional entry to the palette +convert "$tempdir/normal.png" -dither FloydSteinberg -colors 2 -define png:exclude-chunk=bkgd -strip "$tempdir/palette1.png" +convert "$tempdir/normal.png" -dither FloydSteinberg -colors 4 -define png:exclude-chunk=bkgd -strip "$tempdir/palette2.png" +convert "$tempdir/normal.png" -dither FloydSteinberg -colors 16 -define png:exclude-chunk=bkgd -strip "$tempdir/palette4.png" +convert "$tempdir/normal.png" -dither FloydSteinberg -colors 256 -define png:exclude-chunk=bkgd -strip "$tempdir/palette8.png" + +cat << END | ( cd "$tempdir"; md5sum --check --status - ) +a99ef2a356c315090b6939fa4ce70516 alpha.png +0df21ebbce5292654119b17f6e52bc81 gray16.png +6faee81b8db446caa5004ad71bddcb5b gray1.png +97e423da517ede069348484a1283aa6c gray2.png +cbed1b6da5183aec0b86909e82b77c41 gray4.png +c0df42fdd69ae2a16ad0c23adb39895e gray8.png +ac6bb850fb5aaee9fa7dcb67525cd0fc inverse.png +3f3f8579f5054270e79a39e7cc4e89e0 normal16.png +cbe63b21443af8321b213bde6666951f normal.png +2f00705cca05fd94406fc39ede4d7322 palette1.png +6cb250d1915c2af99c324c43ff8286eb palette2.png +ab7b3d3907a851692ee36f5349ed0b2c palette4.png +03829af4af8776adf56ba2e68f5b111e palette8.png +END + +# use img2pdfprog environment variable if it is set +if [ -z ${img2pdfprog+x} ]; then + img2pdfprog=src/img2pdf.py +fi + +img2pdf() +{ + # we use --without-pdfrw to better "grep" the result and because we + # cannot write palette based images otherwise + $img2pdfprog --without-pdfrw --producer="" --nodate "$1" > "$2" 2>/dev/null +} + +tests=49 # number of tests +j=1 # current test + +############################################################################### +echo "Test $j/$tests JPEG" + +convert "$tempdir/normal.png" "$tempdir/normal.jpg" + +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Format: JPEG (Joint Photographic Experts Group JFIF format)$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Mime type: image/jpeg$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Compression: JPEG$' + +img2pdf "$tempdir/normal.jpg" "$tempdir/out.pdf" + +# We have to use jpegtopnm with the original JPG before being able to compare +# it with imagemagick because imagemagick will decode the JPG slightly +# differently than ghostscript, poppler and mupdf do it. +# We have to use jpegtopnm and cannot use djpeg because the latter produces +# slightly different results as well when called like this: +# djpeg -dct int -pnm "$tempdir/normal.jpg" > "$tempdir/normal.pnm" +jpegtopnm -dct int "$tempdir/normal.jpg" > "$tempdir/normal.pnm" 2>/dev/null + +compare_rendered "$tempdir/out.pdf" "$tempdir/normal.pnm" + +pdfimages -j "$tempdir/out.pdf" "$tempdir/images" +cmp "$tempdir/normal.jpg" "$tempdir/images-000.jpg" +rm "$tempdir/images-000.jpg" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /DCTDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/normal.jpg" "$tempdir/normal.pnm" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests JPEG CMYK" + +convert "$tempdir/normal.png" -colorspace cmyk "$tempdir/normal.jpg" + +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Format: JPEG (Joint Photographic Experts Group JFIF format)$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Mime type: image/jpeg$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Colorspace: CMYK$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Type: ColorSeparation$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Compression: JPEG$' + +img2pdf "$tempdir/normal.jpg" "$tempdir/out.pdf" + +gs -dQUIET -dNOPAUSE -dBATCH -sDEVICE=tiff32nc -r96 -sOutputFile="$tempdir/gs-%00d.tiff" "$tempdir/out.pdf" +similar "$tempdir/normal.jpg" "$tempdir/gs-1.tiff" +rm "$tempdir/gs-1.tiff" + +# not testing with poppler as it cannot write CMYK images + +mutool draw -o "$tempdir/mupdf.pam" -r 96 -c cmyk "$pdf" 2>/dev/null +similar "$tempdir/normal.jpg" "$tempdir/mupdf.pam" +rm "$tempdir/mupdf.pam" + +pdfimages -j "$tempdir/out.pdf" "$tempdir/images" +cmp "$tempdir/normal.jpg" "$tempdir/images-000.jpg" +rm "$tempdir/images-000.jpg" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceCMYK$' "$tempdir/out.pdf" +grep --quiet '^ /Decode \[ 1 0 1 0 1 0 1 0 \]$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /DCTDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/normal.jpg" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests JPEG2000" + +convert "$tempdir/normal.png" "$tempdir/normal.jp2" + +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Format: JP2 (JPEG-2000 File Format Syntax)$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Mime type: image/jp2$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.jp2" | grep --quiet '^ Compression: JPEG2000$' + +img2pdf "$tempdir/normal.jp2" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/normal.jp2" + +pdfimages -jp2 "$tempdir/out.pdf" "$tempdir/images" +cmp "$tempdir/normal.jp2" "$tempdir/images-000.jp2" +rm "$tempdir/images-000.jp2" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /JPXDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/normal.jp2" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +#echo Test JPEG2000 CMYK +# +# cannot test because imagemagick does not support JPEG2000 CMYK + +############################################################################### +echo "Test $j/$tests PNG RGB8" + +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 8$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ png:IHDR.bit_depth: 8$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ png:IHDR.color-type-orig: 2$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ png:IHDR.color_type: 2 (Truecolor)$' +identify -verbose "$tempdir/normal.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/normal.png" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/normal.png" + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/normal.png" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /Colors 3$' "$tempdir/out.pdf" +grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests PNG RGB16" + +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Depth: 16-bit$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 16$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ png:IHDR.bit_depth: 16$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ png:IHDR.color-type-orig: 2$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ png:IHDR.color_type: 2 (Truecolor)$' +identify -verbose "$tempdir/normal16.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/normal16.png" "$tempdir/out.pdf" + +compare_ghostscript "$tempdir/out.pdf" "$tempdir/normal16.png" tiff48nc + +# poppler outputs 8-bit RGB so the comparison will not be exact +pdftocairo -r 96 -png "$tempdir/out.pdf" "$tempdir/poppler" +similar "$tempdir/normal16.png" "$tempdir/poppler-1.png" +rm "$tempdir/poppler-1.png" + +# pdfimages is unable to write 16 bit output + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 16$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 16$' "$tempdir/out.pdf" +grep --quiet '^ /Colors 3$' "$tempdir/out.pdf" +grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests PNG RGBA8" + +convert "$tempdir/alpha.png" -depth 8 -strip "$tempdir/alpha8.png" + +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Type: TrueColorAlpha$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 8$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ png:IHDR.bit_depth: 8$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ png:IHDR.color-type-orig: 6$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ png:IHDR.color_type: 6 (RGBA)$' +identify -verbose "$tempdir/alpha8.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/alpha8.png" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/alpha8.png" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests PNG RGBA16" + +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Type: TrueColorAlpha$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Depth: 16-bit$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 16$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ png:IHDR.bit_depth: 16$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ png:IHDR.color-type-orig: 6$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ png:IHDR.color_type: 6 (RGBA)$' +identify -verbose "$tempdir/alpha.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/alpha.png" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests PNG Gray8 Alpha" + +convert "$tempdir/alpha.png" -colorspace Gray -dither FloydSteinberg -colors 256 -depth 8 -strip "$tempdir/alpha_gray8.png" + +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Colorspace: Gray$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Type: GrayscaleAlpha$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 8$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ png:IHDR.bit_depth: 8$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ png:IHDR.color-type-orig: 4$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ png:IHDR.color_type: 4 (GrayAlpha)$' +identify -verbose "$tempdir/alpha_gray8.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/alpha_gray8.png" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/alpha_gray8.png" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests PNG Gray16 Alpha" + +convert "$tempdir/alpha.png" -colorspace Gray -depth 16 -strip "$tempdir/alpha_gray16.png" + +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Colorspace: Gray$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Type: GrayscaleAlpha$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Depth: 16-bit$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 16$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ png:IHDR.bit_depth: 16$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ png:IHDR.color-type-orig: 4$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ png:IHDR.color_type: 4 (GrayAlpha)$' +identify -verbose "$tempdir/alpha_gray16.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/alpha_gray16.png" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/alpha_gray16.png" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests PNG interlaced" + +convert "$tempdir/normal.png" -interlace PNG -strip "$tempdir/interlace.png" + +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 8$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ png:IHDR.bit_depth: 8$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ png:IHDR.color-type-orig: 2$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ png:IHDR.color_type: 2 (Truecolor)$' +identify -verbose "$tempdir/interlace.png" | grep --quiet '^ png:IHDR.interlace_method: 1 (Adam7 method)$' + +img2pdf "$tempdir/interlace.png" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/normal.png" + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/normal.png" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /Colors 3$' "$tempdir/out.pdf" +grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/interlace.png" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +for i in 1 2 4 8; do + echo "Test $j/$tests PNG Gray$i" + + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Mime type: image/png$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Geometry: 60x60+0+0$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Colorspace: Gray$' + if [ "$i" -eq 1 ]; then + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Type: Bilevel$' + else + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Type: Grayscale$' + fi + if [ "$i" -eq 8 ]; then + identify -verbose "$tempdir/gray$i.png" | grep --quiet "^ Depth: 8-bit$" + else + identify -verbose "$tempdir/gray$i.png" | grep --quiet "^ Depth: 8/$i-bit$" + fi + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Page geometry: 60x60+0+0$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ Compression: Zip$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet "^ png:IHDR.bit-depth-orig: $i$" + identify -verbose "$tempdir/gray$i.png" | grep --quiet "^ png:IHDR.bit_depth: $i$" + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ png:IHDR.color-type-orig: 0$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ png:IHDR.color_type: 0 (Grayscale)$' + identify -verbose "$tempdir/gray$i.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + + img2pdf "$tempdir/gray$i.png" "$tempdir/out.pdf" + + compare_rendered "$tempdir/out.pdf" "$tempdir/gray$i.png" pnggray + + compare_pdfimages "$tempdir/out.pdf" "$tempdir/gray$i.png" + + grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /Colors 1$' "$tempdir/out.pdf" + grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" + grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" + grep --quiet '^ /Height 60$' "$tempdir/out.pdf" + grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + + rm "$tempdir/out.pdf" + j=$((j+1)) +done + +############################################################################### +echo "Test $j/$tests PNG Gray16" + +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Mime type: image/png$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Colorspace: Gray$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Type: Grayscale$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Depth: 16-bit$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ png:IHDR.bit-depth-orig: 16$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ png:IHDR.bit_depth: 16$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ png:IHDR.color-type-orig: 0$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ png:IHDR.color_type: 0 (Grayscale)$' +identify -verbose "$tempdir/gray16.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + +img2pdf "$tempdir/gray16.png" "$tempdir/out.pdf" + +# ghostscript outputs 8-bit grayscale, so the comparison will not be exact +gs -dQUIET -dNOPAUSE -dBATCH -sDEVICE=pnggray -r96 -sOutputFile="$tempdir/gs-%00d.png" "$tempdir/out.pdf" +similar "$tempdir/gray16.png" "$tempdir/gs-1.png" +rm "$tempdir/gs-1.png" + +# poppler outputs 8-bit grayscale so the comparison will not be exact +pdftocairo -r 96 -png "$tempdir/out.pdf" "$tempdir/poppler" +similar "$tempdir/gray16.png" "$tempdir/poppler-1.png" +rm "$tempdir/poppler-1.png" + +# pdfimages outputs 8-bit grayscale so the comparison will not be exact +pdfimages -png "$tempdir/out.pdf" "$tempdir/images" +similar "$tempdir/gray16.png" "$tempdir/images-000.png" +rm "$tempdir/images-000.png" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 16$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 16$' "$tempdir/out.pdf" +grep --quiet '^ /Colors 1$' "$tempdir/out.pdf" +grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +for i in 1 2 4 8; do + echo "Test $j/$tests PNG Palette$i" + + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Format: PNG (Portable Network Graphics)$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Mime type: image/png$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Geometry: 60x60+0+0$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Colorspace: sRGB$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Type: Palette$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Depth: 8-bit$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Page geometry: 60x60+0+0$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ Compression: Zip$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet "^ png:IHDR.bit-depth-orig: $i$" + identify -verbose "$tempdir/palette$i.png" | grep --quiet "^ png:IHDR.bit_depth: $i$" + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ png:IHDR.color-type-orig: 3$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ png:IHDR.color_type: 3 (Indexed)$' + identify -verbose "$tempdir/palette$i.png" | grep --quiet '^ png:IHDR.interlace_method: 0 (Not interlaced)$' + + img2pdf "$tempdir/palette$i.png" "$tempdir/out.pdf" + + compare_rendered "$tempdir/out.pdf" "$tempdir/palette$i.png" + + # pdfimages cannot export palette based images + + grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /ColorSpace \[ /Indexed /DeviceRGB ' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /Colors 1$' "$tempdir/out.pdf" + grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" + grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" + grep --quiet '^ /Height 60$' "$tempdir/out.pdf" + grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + + rm "$tempdir/out.pdf" + j=$((j+1)) +done + +############################################################################### +echo "Test $j/$tests GIF transparent" + +convert "$tempdir/alpha.png" "$tempdir/alpha.gif" + +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Format: GIF (CompuServe graphics interchange format)$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Mime type: image/gif$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Type: PaletteAlpha$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Colormap entries: 256$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha.gif" | grep --quiet '^ Compression: LZW$' + +img2pdf "$tempdir/alpha.gif" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/alpha.gif" +j=$((j+1)) + +############################################################################### +for i in 1 2 4 8; do + echo "Test $j/$tests GIF Palette$i" + + convert "$tempdir/palette$i.png" "$tempdir/palette$i.gif" + + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Format: GIF (CompuServe graphics interchange format)$' + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Mime type: image/gif$' + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Geometry: 60x60+0+0$' + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Colorspace: sRGB$' + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Type: Palette$' + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Depth: 8-bit$' + case $i in + 1) identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Colormap entries: 2$';; + 2) identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Colormap entries: 4$';; + 4) identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Colormap entries: 16$';; + 8) identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Colormap entries: 256$';; + esac + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Page geometry: 60x60+0+0$' + identify -verbose "$tempdir/palette$i.gif" | grep --quiet '^ Compression: LZW$' + + img2pdf "$tempdir/palette$i.gif" "$tempdir/out.pdf" + + compare_rendered "$tempdir/out.pdf" "$tempdir/palette$i.png" + + # pdfimages cannot export palette based images + + grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /ColorSpace \[ /Indexed /DeviceRGB ' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /Colors 1$' "$tempdir/out.pdf" + grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" + grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" + grep --quiet '^ /Height 60$' "$tempdir/out.pdf" + grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + + rm "$tempdir/out.pdf" "$tempdir/palette$i.gif" + j=$((j+1)) +done + +############################################################################### +echo "Test $j/$tests GIF animation" + +convert "$tempdir/normal.png" "$tempdir/inverse.png" -strip "$tempdir/animation.gif" + +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Format: GIF (CompuServe graphics interchange format)$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Mime type: image/gif$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Type: Palette$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Colormap entries: 256$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/animation.gif[0]" | grep --quiet '^ Compression: LZW$' + +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Format: GIF (CompuServe graphics interchange format)$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Mime type: image/gif$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Type: Palette$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Colormap entries: 256$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Compression: LZW$' +identify -verbose "$tempdir/animation.gif[1]" | grep --quiet '^ Scene: 1$' + +img2pdf "$tempdir/animation.gif" "$tempdir/out.pdf" + +if [ "$(pdfinfo "$tempdir/out.pdf" | awk '/Pages:/ {print $2}')" != 2 ]; then + echo "pdf does not have 2 pages" + exit 1 +fi + +pdfseparate "$tempdir/out.pdf" "$tempdir/page-%d.pdf" +rm "$tempdir/out.pdf" + +for page in 1 2; do + compare_rendered "$tempdir/page-$page.pdf" "$tempdir/animation.gif[$((page-1))]" + + # pdfimages cannot export palette based images + + # We cannot grep the PDF metadata here, because the page was + # rewritten into a non-greppable format by pdfseparate. but that's + # okay, because we already grepped single pages before and multipage + # PDF should not be different. + + rm "$tempdir/page-$page.pdf" +done + +rm "$tempdir/animation.gif" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF float" + +convert "$tempdir/normal.png" -depth 32 -define quantum:format=floating-point "$tempdir/float.tiff" + +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Depth: 32/8-bit$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ quantum:format: floating-point$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/float.tiff" | grep --quiet '^ tiff:photometric: RGB$' + +img2pdf "$tempdir/float.tiff" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/float.tiff" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF CMYK8" + +convert "$tempdir/normal.png" -colorspace cmyk "$tempdir/cmyk8.tiff" + +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Colorspace: CMYK$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Type: ColorSeparation$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/cmyk8.tiff" | grep --quiet '^ tiff:photometric: separated$' + +img2pdf "$tempdir/cmyk8.tiff" "$tempdir/out.pdf" + +compare_ghostscript "$tempdir/out.pdf" "$tempdir/cmyk8.tiff" tiff32nc + +# not testing with poppler as it cannot write CMYK images + +mutool draw -o "$tempdir/mupdf.pam" -r 96 -c cmyk "$pdf" 2>/dev/null +compare -metric AE "$tempdir/cmyk8.tiff" "$tempdir/mupdf.pam" null: 2>/dev/null +rm "$tempdir/mupdf.pam" + +pdfimages -tiff "$tempdir/out.pdf" "$tempdir/images" +compare -metric AE "$tempdir/cmyk8.tiff" "$tempdir/images-000.tif" null: 2>/dev/null +rm "$tempdir/images-000.tif" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceCMYK$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/cmyk8.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF CMYK16" + +convert "$tempdir/normal.png" -depth 16 -colorspace cmyk "$tempdir/cmyk16.tiff" + +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Colorspace: CMYK$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Type: ColorSeparation$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Depth: 16-bit$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/cmyk16.tiff" | grep --quiet '^ tiff:photometric: separated$' + +# PIL is unable to read 16 bit CMYK images +img2pdf "$tempdir/cmyk16.gif" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/cmyk16.tiff" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF RGB8" + +convert "$tempdir/normal.png" "$tempdir/normal.tiff" + +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/normal.tiff" | grep --quiet '^ tiff:photometric: RGB$' + +img2pdf "$tempdir/normal.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/normal.tiff" tiff24nc + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/normal.tiff" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /Colors 3$' "$tempdir/out.pdf" +grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/normal.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF RGBA8" + +convert "$tempdir/alpha.png" -depth 8 -strip "$tempdir/alpha8.tiff" + +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Type: TrueColorAlpha$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ tiff:alpha: unassociated$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/alpha8.tiff" | grep --quiet '^ tiff:photometric: RGB$' + +img2pdf "$tempdir/alpha8.tiff" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/alpha8.tiff" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF RGBA16" + +convert "$tempdir/alpha.png" -strip "$tempdir/alpha16.tiff" + +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Type: TrueColorAlpha$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Depth: 16-bit$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ tiff:alpha: unassociated$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/alpha16.tiff" | grep --quiet '^ tiff:photometric: RGB$' + +img2pdf "$tempdir/alpha16.tiff" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/alpha16.tiff" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF Gray1" + +convert "$tempdir/gray1.png" -depth 1 "$tempdir/gray1.tiff" + +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Colorspace: Gray$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Type: Bilevel$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Depth: 1-bit$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/gray1.tiff" | grep --quiet '^ tiff:photometric: min-is-black$' + +img2pdf "$tempdir/gray1.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/gray1.png" pnggray + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/gray1.png" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 1$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BlackIs1 true$' "$tempdir/out.pdf" +grep --quiet '^ /Columns 60$' "$tempdir/out.pdf" +grep --quiet '^ /K -1$' "$tempdir/out.pdf" +grep --quiet '^ /Rows 60$' "$tempdir/out.pdf" +grep --quiet '^ /Filter \[ /CCITTFaxDecode \]$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/gray1.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +for i in 2 4 8; do + echo "Test $j/$tests TIFF Gray$i" + + convert "$tempdir/gray$i.png" -depth $i "$tempdir/gray$i.tiff" + + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Mime type: image/tiff$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Colorspace: Gray$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Type: Grayscale$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Endianess: LSB$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet "^ Depth: $i-bit$" + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ Compression: Zip$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ tiff:alpha: unspecified$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ tiff:endian: lsb$' + identify -verbose "$tempdir/gray$i.tiff" | grep --quiet '^ tiff:photometric: min-is-black$' + + img2pdf "$tempdir/gray$i.tiff" "$tempdir/out.pdf" + + compare_rendered "$tempdir/out.pdf" "$tempdir/gray$i.png" pnggray + + compare_pdfimages "$tempdir/out.pdf" "$tempdir/gray$i.png" + + # When saving a PNG, PIL will store it as 8-bit data + grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" + grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" + grep --quiet '^ /Colors 1$' "$tempdir/out.pdf" + grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" + grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" + grep --quiet '^ /Height 60$' "$tempdir/out.pdf" + grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + + rm "$tempdir/gray$i.tiff" "$tempdir/out.pdf" + j=$((j+1)) +done + +################################################################################ +echo "Test $j/$tests TIFF Gray16" + +convert "$tempdir/gray16.png" -depth 16 "$tempdir/gray16.tiff" + +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Colorspace: Gray$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Type: Grayscale$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet "^ Depth: 16-bit$" +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/gray16.tiff" | grep --quiet '^ tiff:photometric: min-is-black$' + +img2pdf "$tempdir/gray16.tiff" /dev/null && rc=$? || rc=$? +if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 +fi + +rm "$tempdir/gray16.tiff" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF multipage" + +convert "$tempdir/normal.png" "$tempdir/inverse.png" -strip "$tempdir/multipage.tiff" + +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/multipage.tiff[0]" | grep --quiet '^ tiff:photometric: RGB$' + +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Mime type: image/tiff$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Geometry: 60x60+0+0$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Colorspace: sRGB$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Type: TrueColor$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Endianess: LSB$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Depth: 8-bit$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Page geometry: 60x60+0+0$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Compression: Zip$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ tiff:alpha: unspecified$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ tiff:endian: lsb$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ tiff:photometric: RGB$' +identify -verbose "$tempdir/multipage.tiff[1]" | grep --quiet '^ Scene: 1$' + +img2pdf "$tempdir/multipage.tiff" "$tempdir/out.pdf" + +if [ "$(pdfinfo "$tempdir/out.pdf" | awk '/Pages:/ {print $2}')" != 2 ]; then + echo "pdf does not have 2 pages" + exit 1 +fi + +pdfseparate "$tempdir/out.pdf" "$tempdir/page-%d.pdf" +rm "$tempdir/out.pdf" + +for page in 1 2; do + compare_rendered "$tempdir/page-$page.pdf" "$tempdir/multipage.tiff[$((page-1))]" + + compare_pdfimages "$tempdir/page-$page.pdf" "$tempdir/multipage.tiff[$((page-1))]" + + # We cannot grep the PDF metadata here, because the page was + # rewritten into a non-greppable format by pdfseparate. but that's + # okay, because we already grepped single pages before and multipage + # PDF should not be different. + + rm "$tempdir/page-$page.pdf" +done + +rm "$tempdir/multipage.tiff" +j=$((j+1)) + +############################################################################### +for i in 1 2 4 8; do + echo "Test $j/$tests TIFF Palette$i" + + convert "$tempdir/palette$i.png" "$tempdir/palette$i.tiff" + + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Mime type: image/tiff$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Colorspace: sRGB$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Type: Palette$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Endianess: LSB$' + if [ "$i" -eq 8 ]; then + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet "^ Depth: 8-bit$" + else + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet "^ Depth: $i/8-bit$" + fi + case $i in + 1) identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Colormap entries: 2$';; + 2) identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Colormap entries: 4$';; + 4) identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Colormap entries: 16$';; + 8) identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Colormap entries: 256$';; + esac + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ Compression: Zip$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ tiff:alpha: unspecified$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ tiff:endian: lsb$' + identify -verbose "$tempdir/palette$i.tiff" | grep --quiet '^ tiff:photometric: palette$' + + img2pdf "$tempdir/palette$i.tiff" "$tempdir/out.pdf" + + compare_rendered "$tempdir/out.pdf" "$tempdir/palette$i.png" + + # pdfimages cannot export palette based images + + grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /ColorSpace \[ /Indexed /DeviceRGB ' "$tempdir/out.pdf" + grep --quiet '^ /BitsPerComponent '"$i"'$' "$tempdir/out.pdf" + grep --quiet '^ /Colors 1$' "$tempdir/out.pdf" + grep --quiet '^ /Predictor 15$' "$tempdir/out.pdf" + grep --quiet '^ /Filter /FlateDecode$' "$tempdir/out.pdf" + grep --quiet '^ /Height 60$' "$tempdir/out.pdf" + grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + + rm "$tempdir/out.pdf" + + rm "$tempdir/palette$i.tiff" + j=$((j+1)) +done + +############################################################################### +for i in 12 14 16; do + echo "Test $j/$tests TIFF RGB$i" + + convert "$tempdir/normal16.png" -depth "$i" "$tempdir/normal$i.tiff" + + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Format: TIFF (Tagged Image File Format)$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Mime type: image/tiff$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Geometry: 60x60+0+0$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Colorspace: sRGB$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Type: TrueColor$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Endianess: LSB$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet "^ Depth: $i-bit$" + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Page geometry: 60x60+0+0$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ Compression: Zip$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ tiff:alpha: unspecified$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ tiff:endian: lsb$' + identify -verbose "$tempdir/normal$i.tiff" | grep --quiet '^ tiff:photometric: RGB$' + + img2pdf "$tempdir/normal$i.tiff" /dev/null && rc=$? || rc=$? + if [ "$rc" -eq 0 ]; then + echo needs to fail here + exit 1 + fi + + rm "$tempdir/normal$i.tiff" + j=$((j+1)) +done + +############################################################################### +echo "Test $j/$tests TIFF CCITT Group4, little endian, msb-to-lsb, min-is-white" + +convert "$tempdir/gray1.png" -compress group4 -define tiff:endian=lsb -define tiff:fill-order=msb -define quantum:polarity=min-is-white "$tempdir/group4.tiff" +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Bits/Sample: 1' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Compression Scheme: CCITT Group 4' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Photometric Interpretation: min-is-white' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'FillOrder: msb-to-lsb' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Samples/Pixel: 1' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Type: Bilevel' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Endianess: LSB' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Depth: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'gray: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Compression: Group4' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:endian: lsb' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:photometric: min-is-white' + +img2pdf "$tempdir/group4.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/group4.tiff" pnggray + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/group4.tiff" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 1$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BlackIs1 false$' "$tempdir/out.pdf" +grep --quiet '^ /Columns 60$' "$tempdir/out.pdf" +grep --quiet '^ /K -1$' "$tempdir/out.pdf" +grep --quiet '^ /Rows 60$' "$tempdir/out.pdf" +grep --quiet '^ /Filter \[ /CCITTFaxDecode \]$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/group4.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF CCITT Group4, big endian, msb-to-lsb, min-is-white" + +convert "$tempdir/gray1.png" -compress group4 -define tiff:endian=msb -define tiff:fill-order=msb -define quantum:polarity=min-is-white "$tempdir/group4.tiff" +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Bits/Sample: 1' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Compression Scheme: CCITT Group 4' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Photometric Interpretation: min-is-white' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'FillOrder: msb-to-lsb' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Samples/Pixel: 1' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Type: Bilevel' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Endianess: MSB' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Depth: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'gray: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Compression: Group4' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:endian: msb' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:photometric: min-is-white' + +img2pdf "$tempdir/group4.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/group4.tiff" pnggray + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/group4.tiff" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 1$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BlackIs1 false$' "$tempdir/out.pdf" +grep --quiet '^ /Columns 60$' "$tempdir/out.pdf" +grep --quiet '^ /K -1$' "$tempdir/out.pdf" +grep --quiet '^ /Rows 60$' "$tempdir/out.pdf" +grep --quiet '^ /Filter \[ /CCITTFaxDecode \]$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/group4.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF CCITT Group4, big endian, lsb-to-msb, min-is-white" + +convert "$tempdir/gray1.png" -compress group4 -define tiff:endian=msb -define tiff:fill-order=lsb -define quantum:polarity=min-is-white "$tempdir/group4.tiff" +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Bits/Sample: 1' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Compression Scheme: CCITT Group 4' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Photometric Interpretation: min-is-white' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'FillOrder: lsb-to-msb' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Samples/Pixel: 1' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Type: Bilevel' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Endianess: MSB' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Depth: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'gray: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Compression: Group4' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:endian: msb' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:photometric: min-is-white' + +img2pdf "$tempdir/group4.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/group4.tiff" pnggray + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/group4.tiff" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 1$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BlackIs1 false$' "$tempdir/out.pdf" +grep --quiet '^ /Columns 60$' "$tempdir/out.pdf" +grep --quiet '^ /K -1$' "$tempdir/out.pdf" +grep --quiet '^ /Rows 60$' "$tempdir/out.pdf" +grep --quiet '^ /Filter \[ /CCITTFaxDecode \]$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/group4.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF CCITT Group4, little endian, msb-to-lsb, min-is-black" + +# We create a min-is-black group4 tiff with PIL because it creates these by +# default (and without the option to do otherwise) whereas imagemagick only +# became able to do it through commit 00730551f0a34328685c59d0dde87dd9e366103a +# See https://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=34605 +python3 -c 'from PIL import Image;Image.open("'"$tempdir/gray1.png"'").save("'"$tempdir/group4.tiff"'",format="TIFF",compression="group4")' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Bits/Sample: 1' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Compression Scheme: CCITT Group 4' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Photometric Interpretation: min-is-black' +# PIL doesn't set those +#tiffinfo "$tempdir/group4.tiff" | grep --quiet 'FillOrder: msb-to-lsb' +#tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Samples/Pixel: 1' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Type: Bilevel' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Endianess: LSB' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Depth: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'gray: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Compression: Group4' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:endian: lsb' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:photometric: min-is-black' + +img2pdf "$tempdir/group4.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/group4.tiff" pnggray + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/group4.tiff" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 1$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BlackIs1 true$' "$tempdir/out.pdf" +grep --quiet '^ /Columns 60$' "$tempdir/out.pdf" +grep --quiet '^ /K -1$' "$tempdir/out.pdf" +grep --quiet '^ /Rows 60$' "$tempdir/out.pdf" +grep --quiet '^ /Filter \[ /CCITTFaxDecode \]$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/group4.tiff" "$tempdir/out.pdf" +j=$((j+1)) + +############################################################################### +echo "Test $j/$tests TIFF CCITT Group4, without fillorder, samples/pixel, bits/sample" + +convert "$tempdir/gray1.png" -compress group4 -define tiff:endian=lsb -define tiff:fill-order=msb -define quantum:polarity=min-is-white "$tempdir/group4.tiff" +# remove BitsPerSample (258) +tiffset -u 258 "$tempdir/group4.tiff" +# remove FillOrder (266) +tiffset -u 266 "$tempdir/group4.tiff" +# remove SamplesPerPixel (277) +tiffset -u 277 "$tempdir/group4.tiff" +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Bits/Sample: 1' && exit 1 +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Compression Scheme: CCITT Group 4' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Photometric Interpretation: min-is-white' +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'FillOrder: msb-to-lsb' && exit 1 +tiffinfo "$tempdir/group4.tiff" | grep --quiet 'Samples/Pixel: 1' && exit 1 +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Type: Bilevel' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Endianess: LSB' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Depth: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'gray: 1-bit' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'Compression: Group4' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:endian: lsb' +identify -verbose "$tempdir/group4.tiff" | grep --quiet 'tiff:photometric: min-is-white' + +img2pdf "$tempdir/group4.tiff" "$tempdir/out.pdf" + +compare_rendered "$tempdir/out.pdf" "$tempdir/group4.tiff" pnggray + +compare_pdfimages "$tempdir/out.pdf" "$tempdir/group4.tiff" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 1$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceGray$' "$tempdir/out.pdf" +grep --quiet '^ /BlackIs1 false$' "$tempdir/out.pdf" +grep --quiet '^ /Columns 60$' "$tempdir/out.pdf" +grep --quiet '^ /K -1$' "$tempdir/out.pdf" +grep --quiet '^ /Rows 60$' "$tempdir/out.pdf" +grep --quiet '^ /Filter \[ /CCITTFaxDecode \]$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" + +rm "$tempdir/group4.tiff" "$tempdir/out.pdf" + + +rm "$tempdir/alpha.png" "$tempdir/normal.png" "$tempdir/inverse.png" "$tempdir/palette1.png" "$tempdir/palette2.png" "$tempdir/palette4.png" "$tempdir/palette8.png" "$tempdir/gray8.png" "$tempdir/normal16.png" "$tempdir/gray16.png" "$tempdir/gray4.png" "$tempdir/gray2.png" "$tempdir/gray1.png" +rmdir "$tempdir"