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# -*- coding: ISO-8859-1 -*-
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# Copyright (C) 2005-2006 J�rg Lehmann <joergl@users.sourceforge.net>
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# Copyright (C) 2005-2006 Andr� Wobst <wobsta@users.sourceforge.net>
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# Copyright (C) 2007 Michael Schindler <m-schindler@users.sourceforge.net>
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# This file is part of PyX (http://pyx.sourceforge.net/).
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# PyX is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# PyX is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with PyX; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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import bbox, canvas, pswriter, pdfwriter
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# fallback implementation for Python 2.2 and below
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return zip(xrange(len(list)), list)
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def __init__(self, name, filename):
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""" font encoding contained in filename """
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self.filename = filename
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def __init__(self, name, filename):
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# XXX move the cursor to a module of its own
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from font.t1font import cursor
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encfile = open(filename, "r")
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c = cursor(encfile.read(), "")
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self.encname = c.gettoken()
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raise RuntimeError("cannot parse encoding file '%s', expecting '[' got '%s'" % (filename, token))
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raise RuntimeError("not enough charcodes in encoding file '%s'" % filename)
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self.encvector.append(token)
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if c.gettoken() != "]":
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raise RuntimeError("too many charcodes in encoding file '%s'" % filename)
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raise RuntimeError("cannot parse encoding file '%s', expecting 'def' got '%s'" % (filename, token))
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def decode(self, charcode):
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return self.encvector[charcode]
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def outputPS(self, file, writer):
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file.write("%%%%BeginProcSet: %s\n" % self.name)
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for i, glyphname in enumerate(self.encvector):
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def outputPDF(self, file, writer):
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for i, glyphname in enumerate(self.encvector):
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def __init__(self, basefontname, filename, encoding, slant, metric):
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self.basefontname = basefontname
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self.filename = filename
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self.encoding = encoding
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self.slant = slant # None or a float
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if encoding is not None and slant is not None:
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self.encname = "%s-%s" % (basefontname, encoding.name)
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self.name = "%s-slant%f" % (self.encname, self.slant)
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elif encoding is not None:
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self.name = "%s-%s" % (basefontname, encoding.name)
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elif slant is not None:
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self.name = "%s-slant%f" % (basefontname, self.slant)
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self.name = basefontname
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class text_pt(canvas.canvasitem):
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def __init__(self, x_pt, y_pt, font):
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def addchar(self, char):
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metric = self.font.metric
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self.width_pt += metric.getwidth_pt(char)
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cheight_pt = metric.getwidth_pt(char)
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if cheight_pt > self.height_pt:
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self.height_pt = cheight_pt
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cdepth_pt = metric.getdepth_pt(char)
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if cdepth_pt > self.depth_pt:
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self.depth_pt = cdepth_pt
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self.chars.append(char)
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return bbox.bbox_pt(self.x_pt, self.y_pt-self.depth_pt, self.x_pt+self.width_pt, self.y_pt+self.height_pt)
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def processPS(self, file, writer, context, registry, bbox):
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# note that we don't register PSfont as it is just a helper resource
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# which registers the needed components
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pswriter.PSfont(self.font, self.chars, registry)
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if ( context.font is None or
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context.font.name != self.font.name or
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context.font.metric.getsize_pt() != self.font.metric.getsize_pt() ):
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file.write("/%s %f selectfont\n" % (self.font.name, self.font.metric.getsize_pt()))
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context.font = self.font
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for char in self.chars:
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if char > 32 and char < 127 and chr(char) not in "()[]<>\\":
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ascii = "%s" % chr(char)
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ascii = "\\%03o" % char
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file.write("%g %g moveto (%s) show\n" % (self.x_pt, self.y_pt, outstring))
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def processPDF(self, file, writer, context, registry, bbox):
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registry.add(pdfwriter.PDFfont(self.font, self.chars, writer, registry))
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if ( context.font is None or
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context.font.name != self.font.name or
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context.font.metric.getsize_pt() != self.font.metric.getsize_pt() ):
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file.write("/%s %f Tf\n" % (self.font.name, self.font.metric.getsize_pt()))
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context.font = self.font
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for char in self.chars:
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if 32 <= char <= 127 and chr(char) not in "()[]<>\\":
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ascii = "%s" % chr(char)
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ascii = "\\%03o" % char
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if self.font.slant is None:
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slantvalue = self.font.slant
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file.write("1 0 %f 1 %f %f Tm (%s) Tj\n" % (slantvalue, self.x_pt, self.y_pt, outstring))