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# The Python Imaging Library
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# base class for raster font file parsers
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# 1997-06-05 fl created
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# 1997-08-19 fl restrict image width
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# Copyright (c) 1997-1998 by Secret Labs AB
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# Copyright (c) 1997-1998 by Fredrik Lundh
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# See the README file for information on usage and redistribution.
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def puti16(fp, values):
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# write network order (big-endian) 16-bit sequence
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fp.write(chr(v>>8&255) + chr(v&255))
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# Base class for raster font file handlers.
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self.glyph = [None] * 256
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def __getitem__(self, ix):
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"Create metrics and bitmap"
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# create bitmap large enough to hold all data
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d, dst, src, im = glyph
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h = max(h, src[3] - src[1])
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w = w + (src[2] - src[0])
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maxwidth = max(maxwidth, w)
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if xsize == 0 and ysize == 0:
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# paste glyphs into bitmap
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self.bitmap = Image.new("1", (xsize, ysize))
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self.metrics = [None] * 256
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d, dst, src, im = glyph
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xx, yy = src[2] - src[0], src[3] - src[1]
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s = src[0] + x0, src[1] + y0, src[2] + x0, src[3] + y0
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self.bitmap.paste(im.crop(src), s)
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# print chr(i), dst, s
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self.metrics[i] = d, dst, s
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def save1(self, filename):
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"Save font in version 1 format"
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self.bitmap.save(os.path.splitext(filename)[0] + ".pbm", "PNG")
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fp = open(os.path.splitext(filename)[0] + ".pil", "wb")
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fp.write("PILfont\n")
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fp.write(";;;;;;%d;\n" % self.ysize) # HACK!!!
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for id in range(256):
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puti16(fp, m[0] + m[1] + m[2])
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def save2(self, filename):
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"Save font in version 2 format"
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# THIS IS WORK IN PROGRESS
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data = marshal.dumps((self.metrics, self.info))
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data = "z" + zlib.compress(data, 9)
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fp = open(os.path.splitext(filename)[0] + ".pil", "wb")
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fp.write("PILfont2\n" + self.name + "\n" + "DATA\n")
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self.bitmap.save(fp, "PNG")
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save = save1 # for now