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43870f8129
Backport bugfix for #6056. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@31309 a592a061-630c-0410-9148-cb99ea01b6c8
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
#!/usr/bin/env python
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# -*- 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 from $1 to $2 format
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import os, re, sys
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# We may need some extra options only supported by recent convert versions
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re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
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fout = os.popen('convert -version 2>&1')
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output = fout.readline()
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fout.close()
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version = re_version.match(output)
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# Imagemagick by default
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gm = 0
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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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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 = 1
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opts = "-depth 8"
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# If supported, add the -define option for pdf source formats
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if sys.argv[1][:4] == 'pdf:' and (version >= 0x060206 or gm):
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opts = '-define pdf:use-cropbox=true ' + opts
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# If supported, add the -flatten option for ppm target formats (see bug 4749)
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if sys.argv[2][:4] == 'ppm:' and (version >= 0x060305 or gm):
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opts = opts + ' -flatten'
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if os.system(r'convert %s "%s" "%s"' % (opts, sys.argv[1], sys.argv[2])) != 0:
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print >> sys.stderr, sys.argv[0], 'ERROR'
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print >> sys.stderr, 'Execution of "convert" failed.'
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sys.exit(1)
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