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* configure - pdftoppm is broken on windows.

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From now we will use it only in case IM coders are really
banned (so for windows we are back at 2.3 conversion chain).

https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg221022.html
This commit is contained in:
Pavel Sanda 2024-01-27 18:30:04 +01:00
parent 7b218e1199
commit 7eb5003a81
1 changed files with 16 additions and 10 deletions
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26
lib/configure.py
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@ -1087,16 +1087,6 @@ def checkConverterEntries():
# Only define a converter from pdf6 for graphics
checkProg('a PDF to EPS converter', ['pdftops -eps -f 1 -l 1 $$i $$o'],
rc_entry = [ r'\converter pdf6 eps "%%" ""' ])
# sips:Define a converter from pdf6 to png for Macs where pdftops is missing.
# The converter utility sips allows to force the dimensions of the resulting
# png image. The value of 800 pixel for the width is arbitrary and not
# related to the current screen resolution or width.
# There is no converter parameter for this information.
#
#pdftoppm: Some systems ban IM eps->png conversion. We will offer eps->pdf->png route instead.
checkProg('a PDF to PNG converter',
['sips --resampleWidth 800 --setProperty format png $$i --out $$o' , 'pdftoppm -r 72 -png -singlefile $$i > $$o'],
rc_entry = [ r'\converter pdf6 png "%%" ""' ])
# Create one converter for a PDF produced using TeX fonts and one for a
# PDF produced using non-TeX fonts. This does not produce non-unique
# conversion paths, since a given document either uses TeX fonts or not.
@ -1192,6 +1182,9 @@ def checkConverterEntries():
checkProg('an EPS -> PDF converter', ['epstopdf'],
rc_entry = [ r'\converter eps pdf6 "epstopdf --outfile=$$o $$i" ""'])
#
#prepare for pdf -> png, 2nd part depends on IM ban below
pdftopng = ['sips --resampleWidth 800 --setProperty format png $$i --out $$o' ]
#
# Due to more restrictive policies, it is possible that (image)magick
# does not allow conversions from eps to png.
# So before setting the converter test it it on a mock file
@ -1211,6 +1204,19 @@ def checkConverterEntries():
\converter jpg tiff "convert $$i $$o" ""
\converter png tiff "convert $$i $$o" ""''')
logger.info('ImageMagick seems to ban conversions from EPS. Disabling direct EPS->PNG.')
pdftopng.append('pdftoppm -r 72 -png -singlefile $$i > $$o')
#
# PDF -> PNG: sips (mac), IM convert (windows, linux), pdftoppm (linux with IM ban)
# sips:Define a converter from pdf6 to png for Macs where pdftops is missing.
# The converter utility sips allows to force the dimensions of the resulting
# png image. The value of 800 pixel for the width is arbitrary and not
# related to the current screen resolution or width.
# There is no converter parameter for this information.
#
#pdftoppm: Some systems ban IM eps->png conversion. We will offer eps->pdf->png route instead.
checkProg('a PDF to PNG converter', pdftopng,
rc_entry = [ r'\converter pdf6 png "%%" ""' ])
#
# no agr -> pdf6 converter, since the pdf library used by gracebat is not
# free software and therefore not compiled in in many installations.