Index: mathtext.py
===================================================================
RCS file: /cvsroot/matplotlib/matplotlib/lib/matplotlib/mathtext.py,v
retrieving revision 1.2
diff -u -r1.2 mathtext.py
--- mathtext.py	30 Sep 2004 20:11:46 -0000	1.2
+++ mathtext.py	1 Oct 2004 20:44:10 -0000
@@ -232,7 +232,7 @@
 None : 'cmmi10',
 }
 
- def __init__(self):
+ def __init__(self, useSVG=False):
 self.glyphd = {}
 self.fonts = dict(
 [ (name, FT2Font(os.path.join(self.basepath, name) + '.ttf'))
@@ -240,6 +240,10 @@
 
 for font in self.fonts.values():
 font.clear()
+ if useSVG:
+ self.svg_glyphs=[]
+ else: pass
+ self.usingSVG = useSVG
 
 def get_metrics(self, font, sym, fontsize, dpi):
 cmfont, metrics, glyph, offset = \
@@ -299,9 +303,22 @@
 cmfont, metrics, glyph, offset = \
 self._get_info(font, sym, fontsize, dpi)
 
- cmfont.draw_glyph_to_bitmap(
- int(ox), int(self.height - oy - metrics.ymax), glyph)
-
+ if not self.usingSVG:
+ cmfont.draw_glyph_to_bitmap(
+ int(ox), int(self.height - oy - metrics.ymax), glyph)
+ else:
+ oy += offset - 512/2048.*10.
+ basename = self.fontmap[font]
+ if latex_to_bakoma.has_key(sym):
+ basename, num = latex_to_bakoma[sym]
+ num = self.fonts[basename].get_charmap()[num]
+ elif len(sym) == 1:
+ num = ord(sym)
+ else:
+ num = 0
+ print>>sys.stderr, 'unrecognized symbol "%s"' % sym
+ self.svg_glyphs.append((basename, fontsize, num, ox, oy, metrics))
+ 
 
 class BakomaPSFonts(Fonts):
 """
@@ -960,6 +977,57 @@
 
 math_parse_s_ft2font.cache = {}
 
+def math_parse_s_ft2font_svg(s, dpi, fontsize, angle=0):
+ """
+ Parse the math expression s, return the (bbox, fonts) tuple needed
+ to render it.
+
+ fontsize must be in points
+
+ return is width, height, fonts
+ """
+
+ major, minor1, minor2, tmp, tmp = sys.version_info
+ if major==2 and minor1==2:
+ print>> sys.stderr, 'mathtext broken on python2.2. We hope to get this fixed soon'
+ sys.exit()
+ cacheKey = (s, dpi, fontsize, angle)
+ s = s[1:-1] # strip the $ from front and back
+ if math_parse_s_ft2font_svg.cache.has_key(cacheKey):
+ w, h, svg_glyphs = math_parse_s_ft2font_svg.cache[cacheKey]
+ return w, h, svg_glyphs
+
+ bakomaFonts = BakomaTrueTypeFonts(useSVG=True)
+ Element.fonts = bakomaFonts
+ handler.clear()
+ expression.parseString( s )
+
+ handler.expr.set_size_info(fontsize, dpi)
+
+ # set the origin once to allow w, h compution
+ handler.expr.set_origin(0, 0)
+ xmin = min([e.xmin() for e in handler.symbols])
+ xmax = max([e.xmax() for e in handler.symbols])
+ ymin = min([e.ymin() for e in handler.symbols])
+ ymax = max([e.ymax() for e in handler.symbols])
+
+ # now set the true origin - doesn't affect with and height
+ w, h = xmax-xmin, ymax-ymin
+ # a small pad for the canvas size
+ w += 2
+ h += 2
+
+ handler.expr.set_origin(0, h-ymax)
+
+ Element.fonts.set_canvas_size(w,h)
+ handler.expr.render()
+ handler.clear()
+
+ math_parse_s_ft2font_svg.cache[cacheKey] = w, h, bakomaFonts.svg_glyphs
+ return w, h, bakomaFonts.svg_glyphs
+
+math_parse_s_ft2font_svg.cache = {}
+
 
 def math_parse_s_ps(s, dpi, fontsize):
 """
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<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://sourceforge.net/p/matplotlib/mailman/attachment/1096666120.2729.41.camel@localhost.localdomain/1/">(-&gt;オリジナル)</a>
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