From 1a8f3f436be531d3618f5f91124bcf3b322bcee2 Mon Sep 17 00:00:00 2001 From: Johannes 'josch' Schauer Date: Tue, 25 Dec 2018 12:08:09 +0100 Subject: [PATCH] test.sh: test for rotated JPEG --- test.sh | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 53 insertions(+), 1 deletion(-) diff --git a/test.sh b/test.sh index 3b5c652..5b34a30 100755 --- a/test.sh +++ b/test.sh @@ -146,7 +146,7 @@ img2pdf() $img2pdfprog --without-pdfrw --producer="" --nodate "$1" > "$2" 2>/dev/null } -tests=50 # number of tests +tests=51 # number of tests j=1 # current test ############################################################################### @@ -192,6 +192,58 @@ grep --quiet '^ /Width 60$' "$tempdir/out.pdf" rm "$tempdir/normal.jpg" "$tempdir/normal.pnm" "$tempdir/out.pdf" j=$((j+1)) +############################################################################### +echo "Test $j/$tests JPEG (90° rotated)" + +convert "$tempdir/normal.png" "$tempdir/normal.jpg" +exiftool -overwrite_original -all= "$tempdir/normal.jpg" -n >/dev/null +exiftool -overwrite_original -Orientation=6 -XResolution=96 -YResolution=96 -n "$tempdir/normal.jpg" >/dev/null + +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 "$tempdir/normal.jpg" | grep --quiet '^ Compression: JPEG$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:Orientation: 6$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:ResolutionUnit: 2$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:XResolution: 96/1$' +identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:YResolution: 96/1$' + +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" +# An alternative way to compare the JPG would be to require a different DCT +# method when decoding by setting -define jpeg:dct-method=ifast in the +# compare command. +jpegtopnm -dct int "$tempdir/normal.jpg" > "$tempdir/normal.pnm" 2>/dev/null +convert -rotate "90" "$tempdir/normal.pnm" "$tempdir/normal_rotated.png" +#convert -rotate "0" "$tempdir/normal.pnm" "$tempdir/normal_rotated.png" + +compare_rendered "$tempdir/out.pdf" "$tempdir/normal_rotated.png" + +pdfimages -j "$tempdir/out.pdf" "$tempdir/images" +cmp "$tempdir/normal.jpg" "$tempdir/images-000.jpg" +rm "$tempdir/images-000.jpg" + +grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf" +grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf" +grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf" +grep --quiet '^ /Filter /DCTDecode$' "$tempdir/out.pdf" +grep --quiet '^ /Height 60$' "$tempdir/out.pdf" +grep --quiet '^ /Width 60$' "$tempdir/out.pdf" +grep --quiet '^ /Rotate 90$' "$tempdir/out.pdf" + +rm "$tempdir/normal.jpg" "$tempdir/normal.pnm" "$tempdir/out.pdf" "$tempdir/normal_rotated.png" +j=$((j+1)) + ############################################################################### echo "Test $j/$tests JPEG CMYK"