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https://git.lyx.org/repos/lyx.git
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01c5d528fe
there is no longer the need to restrict the image depth (on Windows since years the 16 bit depth version of ImageMagick is bundled)
87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# file convertDefault.py
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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# \author Herbert Voß
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# \author Bo Peng
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# Full author contact details are available in file CREDITS.
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# The default converter if no other has been defined by the user from the
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# Conversion->Converter tab of the Preferences dialog.
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# The user can also redefine this default converter, placing their
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# replacement in ~/.lyx/scripts
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# converts an image $2 (format $1) to $4 (format $3)
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from __future__ import print_function
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import os, re, sys
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PY2 = sys.version_info[0] == 2
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# We may need some extra options only supported by recent convert versions
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re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
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# imagemagick 7
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command = 'magick'
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fout = os.popen('magick -version 2>&1')
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output = fout.readline()
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if fout.close() != None:
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# older versions
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# caution: windows has a convert.exe for converting file systems
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command = 'convert'
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fout = os.popen('convert -version 2>&1')
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output = fout.readline()
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fout.close()
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if not PY2:
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# Ensure we have a (unicode) string object in Python3
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# (not required for version >= 3.5).
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# FIXME: Check whether this is required with any supported 3.x version!
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output = str(output)
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version = re_version.match(output)
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# Imagemagick by default
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im = False
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gm = False
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if version != None:
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major = int(version.group(1))
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minor = int(version.group(2))
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patch = int(version.group(3))
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version = hex(major * 65536 + minor * 256 + patch)
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im = True
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else:
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# Try GraphicsMagick
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re_version = re.compile(r'^GraphicsMagick.*http:..www.GraphicsMagick.org.*$')
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version = re_version.match(output)
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if version != None:
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gm = True
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# IM >= 5.5.8 separates options for source and target files
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# See http://www.imagemagick.org/Usage/basics/#why
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if im or gm:
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sopts = ""
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topts = ""
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elif sys.platform == 'darwin':
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command = 'lyxconvert'
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# If supported, add the -define option for pdf source formats
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if sys.argv[1] == 'pdf' and (version >= 0x060206 or gm):
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sopts = '-define pdf:use-cropbox=true ' + sopts
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# If supported, add the -flatten option for ppm target formats (see bug 4749)
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if sys.argv[3] == 'ppm' and (im and version >= 0x060305 or gm):
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topts = '-flatten'
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# print (command, sys.argv[2], sys.argv[4], file= sys.stdout)
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if (im or gm) and os.system(r'%s %s "%s" %s "%s"' % (command, sopts, sys.argv[2], topts, sys.argv[3] + ':' + sys.argv[4])) != 0:
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print (sys.argv[0], 'ERROR', file= sys.stderr)
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print ('Execution of "%s" failed.' % command, file= sys.stderr)
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sys.exit(1)
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elif not im and not gm and sys.platform == 'darwin' and os.system(r'%s "%s" "%s"' % (command, sys.argv[2], sys.argv[4])) != 0:
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print (sys.argv[0], 'ERROR', file= sys.stderr)
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print ('Execution of "%s" failed.' % command, file= sys.stderr)
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sys.exit(1)
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