forked from josch/img2pdf
test.sh: test for rotated JPEG
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1 changed files with 53 additions and 1 deletions
54
test.sh
54
test.sh
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@ -146,7 +146,7 @@ img2pdf()
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$img2pdfprog --without-pdfrw --producer="" --nodate "$1" > "$2" 2>/dev/null
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}
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tests=50 # number of tests
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tests=51 # number of tests
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j=1 # current test
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###############################################################################
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@ -192,6 +192,58 @@ grep --quiet '^ /Width 60$' "$tempdir/out.pdf"
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rm "$tempdir/normal.jpg" "$tempdir/normal.pnm" "$tempdir/out.pdf"
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j=$((j+1))
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###############################################################################
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echo "Test $j/$tests JPEG (90° rotated)"
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convert "$tempdir/normal.png" "$tempdir/normal.jpg"
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exiftool -overwrite_original -all= "$tempdir/normal.jpg" -n >/dev/null
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exiftool -overwrite_original -Orientation=6 -XResolution=96 -YResolution=96 -n "$tempdir/normal.jpg" >/dev/null
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Format: JPEG (Joint Photographic Experts Group JFIF format)$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Mime type: image/jpeg$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Geometry: 60x60+0+0$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Colorspace: sRGB$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Type: TrueColor$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Depth: 8-bit$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Page geometry: 60x60+0+0$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ Compression: JPEG$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:Orientation: 6$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:ResolutionUnit: 2$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:XResolution: 96/1$'
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identify -verbose "$tempdir/normal.jpg" | grep --quiet '^ exif:YResolution: 96/1$'
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img2pdf "$tempdir/normal.jpg" "$tempdir/out.pdf"
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# We have to use jpegtopnm with the original JPG before being able to compare
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# it with imagemagick because imagemagick will decode the JPG slightly
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# differently than ghostscript, poppler and mupdf do it.
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# We have to use jpegtopnm and cannot use djpeg because the latter produces
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# slightly different results as well when called like this:
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# djpeg -dct int -pnm "$tempdir/normal.jpg" > "$tempdir/normal.pnm"
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# An alternative way to compare the JPG would be to require a different DCT
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# method when decoding by setting -define jpeg:dct-method=ifast in the
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# compare command.
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jpegtopnm -dct int "$tempdir/normal.jpg" > "$tempdir/normal.pnm" 2>/dev/null
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convert -rotate "90" "$tempdir/normal.pnm" "$tempdir/normal_rotated.png"
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#convert -rotate "0" "$tempdir/normal.pnm" "$tempdir/normal_rotated.png"
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compare_rendered "$tempdir/out.pdf" "$tempdir/normal_rotated.png"
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pdfimages -j "$tempdir/out.pdf" "$tempdir/images"
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cmp "$tempdir/normal.jpg" "$tempdir/images-000.jpg"
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rm "$tempdir/images-000.jpg"
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grep --quiet '^45.0000 0 0 45.0000 0.0000 0.0000 cm$' "$tempdir/out.pdf"
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grep --quiet '^ /BitsPerComponent 8$' "$tempdir/out.pdf"
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grep --quiet '^ /ColorSpace /DeviceRGB$' "$tempdir/out.pdf"
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grep --quiet '^ /Filter /DCTDecode$' "$tempdir/out.pdf"
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grep --quiet '^ /Height 60$' "$tempdir/out.pdf"
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grep --quiet '^ /Width 60$' "$tempdir/out.pdf"
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grep --quiet '^ /Rotate 90$' "$tempdir/out.pdf"
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rm "$tempdir/normal.jpg" "$tempdir/normal.pnm" "$tempdir/out.pdf" "$tempdir/normal_rotated.png"
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j=$((j+1))
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###############################################################################
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echo "Test $j/$tests JPEG CMYK"
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