def draw_text(self, gc, x, y, s, prop, angle, ismath):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
return
font = self._get_font(prop)
font.set_text(s, 0.0, flags=LOAD_NO_HINTING)
y -= font.get_descent() / 64.0
fontsize = prop.get_size_in_points()
color = rgb2hex(gc.get_rgb()[:3])
write = self._svgwriter.write
if rcParams["svg.embed_char_paths"]:
new_chars = []
for c in s:
path = self._add_char_def(prop, c)
if path is not None:
new_chars.append(path)
if len(new_chars):
write("<defs>\n")
for path in new_chars:
write(path)
write("</defs>\n")
svg = []
clipid = self._get_gc_clip_svg(gc)
if clipid is not None:
svg.append('<g clip-path="url(#%s)">\n' % clipid)
svg.append('<g style="fill: %s; opacity: %f" transform="' % (color, gc.get_alpha()))
if angle != 0:
svg.append("translate(%f,%f)rotate(%1.1f)" % (x, y, -angle))
elif x != 0 or y != 0:
svg.append("translate(%f,%f)" % (x, y))
svg.append('scale(%f)">\n' % (fontsize / self.FONT_SCALE))
cmap = font.get_charmap()
lastgind = None
currx = 0
for c in s:
charnum = self._get_char_def_id(prop, c)
ccode = ord(c)
gind = cmap.get(ccode)
if gind is None:
ccode = ord("?")
gind = 0
glyph = font.load_char(ccode, flags=LOAD_NO_HINTING)
if lastgind is not None:
kern = font.get_kerning(lastgind, gind, KERNING_DEFAULT)
else:
kern = 0
currx += (kern / 64.0) / (self.FONT_SCALE / fontsize)
svg.append('<use xlink:href="#%s"' % charnum)
if currx != 0:
svg.append(' x="%f"' % (currx * (self.FONT_SCALE / fontsize)))
svg.append("/>\n")
currx += (glyph.linearHoriAdvance / 65536.0) / (self.FONT_SCALE / fontsize)
lastgind = gind
svg.append("</g>\n")
if clipid is not None:
svg.append("</g>\n")
svg = "".join(svg)
else:
thetext = escape_xml_text(s)
fontfamily = font.family_name
fontstyle = prop.get_style()
style = "font-size: %f; font-family: %s; font-style: %s; fill: %s; opacity: %f" % (
fontsize,
fontfamily,
fontstyle,
color,
gc.get_alpha(),
)
if angle != 0:
transform = 'transform="translate(%f,%f) rotate(%1.1f) translate(%f,%f)"' % (x, y, -angle, -x, -y)
# Inkscape doesn't support rotate(angle x y)
else:
transform = ""
svg = (
"""\
<text style="%(style)s" x="%(x)f" y="%(y)f" %(transform)s>%(thetext)s</text>
"""
% locals()
)
write(svg)
def _draw_mathtext(self, gc, x, y, s, prop, angle):
"""
Draw math text using matplotlib.mathtext
"""
width, height, descent, svg_elements, used_characters = self.mathtext_parser.parse(s, 72, prop)
svg_glyphs = svg_elements.svg_glyphs
svg_rects = svg_elements.svg_rects
color = rgb2hex(gc.get_rgb()[:3])
write = self._svgwriter.write
style = "fill: %s" % color
if rcParams["svg.embed_char_paths"]:
new_chars = []
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
path = self._add_char_def(font, thetext)
if path is not None:
new_chars.append(path)
if len(new_chars):
write("<defs>\n")
for path in new_chars:
write(path)
write("</defs>\n")
svg = ['<g style="%s" transform="' % style]
if angle != 0:
svg.append("translate(%f,%f)rotate(%1.1f)" % (x, y, -angle))
else:
svg.append("translate(%f,%f)" % (x, y))
svg.append('">\n')
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
charid = self._get_char_def_id(font, thetext)
svg.append(
'<use xlink:href="#%s" transform="translate(%f,%f)scale(%f)"/>\n'
% (charid, new_x, -new_y_mtc, fontsize / self.FONT_SCALE)
)
svg.append("</g>\n")
else: # not rcParams['svg.embed_char_paths']
svg = ['<text style="%s" x="%f" y="%f"' % (style, x, y)]
if angle != 0:
svg.append(
' transform="translate(%f,%f) rotate(%1.1f) translate(%f,%f)"' % (x, y, -angle, -x, -y)
) # Inkscape doesn't support rotate(angle x y)
svg.append(">\n")
curr_x, curr_y = 0.0, 0.0
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
new_y = -new_y_mtc
style = "font-size: %f; font-family: %s" % (fontsize, font.family_name)
svg.append('<tspan style="%s"' % style)
xadvance = metrics.advance
svg.append(' textLength="%f"' % xadvance)
dx = new_x - curr_x
if dx != 0.0:
svg.append(' dx="%f"' % dx)
dy = new_y - curr_y
if dy != 0.0:
svg.append(' dy="%f"' % dy)
thetext = escape_xml_text(thetext)
svg.append(">%s</tspan>\n" % thetext)
curr_x = new_x + xadvance
curr_y = new_y
svg.append("</text>\n")
if len(svg_rects):
style = "fill: %s; stroke: none" % color
svg.append('<g style="%s" transform="' % style)
if angle != 0:
svg.append("translate(%f,%f) rotate(%1.1f)" % (x, y, -angle))
else:
svg.append("translate(%f,%f)" % (x, y))
svg.append('">\n')
for x, y, width, height in svg_rects:
svg.append(
'<rect x="%f" y="%f" width="%f" height="%f" fill="black" stroke="none" />'
% (x, -y + height, width, height)
)
svg.append("</g>")
self.open_group("mathtext")
write("".join(svg))
self.close_group("mathtext")
def _draw_mathtext(self, gc, x, y, s, prop, angle):
"""
Draw math text using matplotlib.mathtext
"""
width, height, descent, svg_elements, used_characters = \
self.mathtext_parser.parse(s, 72, prop)
svg_glyphs = svg_elements.svg_glyphs
svg_rects = svg_elements.svg_rects
color = rgb2hex(gc.get_rgb())
write = self._svgwriter.write
style = "fill: %s" % color
if rcParams['svg.embed_char_paths']:
new_chars = []
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
path = self._add_char_def(font, thetext)
if path is not None:
new_chars.append(path)
if len(new_chars):
write('<defs>\n')
for path in new_chars:
write(path)
write('</defs>\n')
svg = ['<g style="%s" transform="' % style]
if angle != 0:
svg.append('translate(%f,%f)rotate(%1.1f)' % (x, y, -angle))
else:
svg.append('translate(%f,%f)' % (x, y))
svg.append('">\n')
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
charid = self._get_char_def_id(font, thetext)
svg.append(
'<use xlink:href="#%s" transform="translate(%f,%f)scale(%f)"/>\n'
% (charid, new_x, -new_y_mtc, fontsize / self.FONT_SCALE))
svg.append('</g>\n')
else: # not rcParams['svg.embed_char_paths']
svg = ['<text style="%s" x="%f" y="%f"' % (style, x, y)]
if angle != 0:
svg.append(
' transform="translate(%f,%f) rotate(%1.1f) translate(%f,%f)"'
% (x, y, -angle, -x,
-y)) # Inkscape doesn't support rotate(angle x y)
svg.append('>\n')
curr_x, curr_y = 0.0, 0.0
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
new_y = -new_y_mtc
style = "font-size: %f; font-family: %s" % (fontsize,
font.family_name)
svg.append('<tspan style="%s"' % style)
xadvance = metrics.advance
svg.append(' textLength="%f"' % xadvance)
dx = new_x - curr_x
if dx != 0.0:
svg.append(' dx="%f"' % dx)
dy = new_y - curr_y
if dy != 0.0:
svg.append(' dy="%f"' % dy)
thetext = escape_xml_text(thetext)
svg.append('>%s</tspan>\n' % thetext)
curr_x = new_x + xadvance
curr_y = new_y
svg.append('</text>\n')
if len(svg_rects):
style = "fill: %s; stroke: none" % color
svg.append('<g style="%s" transform="' % style)
if angle != 0:
svg.append('translate(%f,%f) rotate(%1.1f)' % (x, y, -angle))
else:
svg.append('translate(%f,%f)' % (x, y))
svg.append('">\n')
for x, y, width, height in svg_rects:
svg.append(
'<rect x="%f" y="%f" width="%f" height="%f" fill="black" stroke="none" />'
% (x, -y + height, width, height))
svg.append("</g>")
self.open_group("mathtext")
write(''.join(svg))
self.close_group("mathtext")
def draw_text(self, gc, x, y, s, prop, angle, ismath):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
return
font = self._get_font(prop)
font.set_text(s, 0.0, flags=LOAD_NO_HINTING)
y -= font.get_descent() / 64.0
fontsize = prop.get_size_in_points()
color = rgb2hex(gc.get_rgb())
write = self._svgwriter.write
if rcParams['svg.embed_char_paths']:
new_chars = []
for c in s:
path = self._add_char_def(prop, c)
if path is not None:
new_chars.append(path)
if len(new_chars):
write('<defs>\n')
for path in new_chars:
write(path)
write('</defs>\n')
svg = [
'<g style="fill: %s; opacity: %f" transform="' %
(color, gc.get_alpha())
]
if angle != 0:
svg.append('translate(%f,%f)rotate(%1.1f)' % (x, y, -angle))
elif x != 0 or y != 0:
svg.append('translate(%f,%f)' % (x, y))
svg.append('scale(%f)">\n' % (fontsize / self.FONT_SCALE))
cmap = font.get_charmap()
lastgind = None
currx = 0
for c in s:
charnum = self._get_char_def_id(prop, c)
ccode = ord(c)
gind = cmap.get(ccode)
if gind is None:
ccode = ord('?')
gind = 0
glyph = font.load_char(ccode, flags=LOAD_NO_HINTING)
if lastgind is not None:
kern = font.get_kerning(lastgind, gind, KERNING_DEFAULT)
else:
kern = 0
lastgind = gind
currx += kern / 64.0 / (self.FONT_SCALE / fontsize)
svg.append('<use xlink:href="#%s"' % charnum)
if currx != 0:
svg.append(' transform="translate(%f)"' %
(currx * (self.FONT_SCALE / fontsize)))
svg.append('/>\n')
currx += (glyph.linearHoriAdvance /
65536.0) / (self.FONT_SCALE / fontsize)
svg.append('</g>\n')
svg = ''.join(svg)
else:
thetext = escape_xml_text(s)
fontfamily = font.family_name
fontstyle = prop.get_style()
style = (
'font-size: %f; font-family: %s; font-style: %s; fill: %s; opacity: %f'
% (fontsize, fontfamily, fontstyle, color, gc.get_alpha()))
if angle != 0:
transform = 'transform="translate(%f,%f) rotate(%1.1f) translate(%f,%f)"' % (
x, y, -angle, -x, -y)
# Inkscape doesn't support rotate(angle x y)
else:
transform = ''
svg = """\
<text style="%(style)s" x="%(x)f" y="%(y)f" %(transform)s>%(thetext)s</text>
""" % locals()
write(svg)
def draw_text(self, gc, x, y, s, prop, angle, ismath):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
return
font = self._get_font(prop)
font.set_text(s, 0.0, flags=LOAD_NO_HINTING)
y -= font.get_descent() / 64.0
fontsize = prop.get_size_in_points()
color = rgb2hex(gc.get_rgb())
if rcParams['svg.embed_char_paths']:
svg = ['<g style="fill: %s" transform="' % color]
if angle != 0:
svg.append('translate(%s,%s)rotate(%1.1f)' % (x,y,-angle))
elif x != 0 or y != 0:
svg.append('translate(%s,%s)' % (x, y))
svg.append('scale(%s)">\n' % (fontsize / self.FONT_SCALE))
cmap = font.get_charmap()
lastgind = None
currx = 0
for c in s:
charid = self._add_char_def(prop, c)
ccode = ord(c)
gind = cmap.get(ccode)
if gind is None:
ccode = ord('?')
gind = 0
glyph = font.load_char(ccode, flags=LOAD_NO_HINTING)
if lastgind is not None:
kern = font.get_kerning(lastgind, gind, KERNING_DEFAULT)
else:
kern = 0
lastgind = gind
currx += kern/64.0
svg.append('<use xlink:href="#%s"' % charid)
if currx != 0:
svg.append(' transform="translate(%s)"' %
(currx * (self.FONT_SCALE / fontsize)))
svg.append('/>\n')
currx += (glyph.linearHoriAdvance / 65536.0)
svg.append('</g>\n')
svg = ''.join(svg)
else:
thetext = escape_xml_text(s)
fontfamily = font.family_name
fontstyle = prop.get_style()
style = 'font-size: %f; font-family: %s; font-style: %s; fill: %s;'%(fontsize, fontfamily,fontstyle, color)
if angle!=0:
transform = 'transform="translate(%s,%s) rotate(%1.1f) translate(%s,%s)"' % (x,y,-angle,-x,-y)
# Inkscape doesn't support rotate(angle x y)
else:
transform = ''
svg = """\
<text style="%(style)s" x="%(x)s" y="%(y)s" %(transform)s>%(thetext)s</text>
""" % locals()
self._svgwriter.write (svg)
def _draw_mathtext(self, gc, x, y, s, prop, angle):
"""
Draw math text using mathtex
"""
if not HAVE_MATHTEX:
return
m = Mathtex(s, rcParams['mathtext.fontset'], prop.get_size_in_points(),
72.0, rcParams['mathtext.default'])
# Extract the glyphs and rects to render
svg_glyphs = [(info.font, info.fontsize, unichr(info.num),
ox, m.height - oy + info.offset, info.metrics)
for ox, oy, info in m.glyphs]
svg_rects = [(x1, m.height - y1 + 1, x2 - x1, y2 - y1)
for x1, y1, x2, y2 in m.rects]
color = rgb2hex(gc.get_rgb()[:3])
write = self._svgwriter.write
style = "fill: %s" % color
if rcParams['svg.embed_char_paths']:
new_chars = []
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
path = self._add_char_def(font, thetext)
if path is not None:
new_chars.append(path)
if len(new_chars):
write('<defs>\n')
for path in new_chars:
write(path)
write('</defs>\n')
svg = ['<g style="%s" transform="' % style]
if angle != 0:
svg.append('translate(%f,%f)rotate(%1.1f)'
% (x,y,-angle) )
else:
svg.append('translate(%f,%f)' % (x, y))
svg.append('">\n')
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
charid = self._get_char_def_id(font, thetext)
svg.append('<use xlink:href="#%s" transform="translate(%f,%f)scale(%f)"/>\n' %
(charid, new_x, -new_y_mtc, fontsize / self.FONT_SCALE))
svg.append('</g>\n')
else: # not rcParams['svg.embed_char_paths']
svg = ['<text style="%s" x="%f" y="%f"' % (style, x, y)]
if angle != 0:
svg.append(' transform="translate(%f,%f) rotate(%1.1f) translate(%f,%f)"'
% (x,y,-angle,-x,-y) ) # Inkscape doesn't support rotate(angle x y)
svg.append('>\n')
curr_x,curr_y = 0.0,0.0
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
new_y = - new_y_mtc
style = "font-size: %f; font-family: %s" % (fontsize, font.family_name)
svg.append('<tspan style="%s"' % style)
xadvance = metrics.advance
svg.append(' textLength="%f"' % xadvance)
dx = new_x - curr_x
if dx != 0.0:
svg.append(' dx="%f"' % dx)
dy = new_y - curr_y
if dy != 0.0:
svg.append(' dy="%f"' % dy)
thetext = escape_xml_text(thetext)
svg.append('>%s</tspan>\n' % thetext)
curr_x = new_x + xadvance
curr_y = new_y
svg.append('</text>\n')
if len(svg_rects):
style = "fill: %s; stroke: none" % color
svg.append('<g style="%s" transform="' % style)
if angle != 0:
svg.append('translate(%f,%f) rotate(%1.1f)'
% (x,y,-angle) )
else:
svg.append('translate(%f,%f)' % (x, y))
svg.append('">\n')
for x, y, width, height in svg_rects:
svg.append('<rect x="%f" y="%f" width="%f" height="%f" fill="black" stroke="none" />' % (x, -y + height, width, height))
svg.append("</g>")
self.open_group("mathtext")
write (''.join(svg))
self.close_group("mathtext")
def _draw_mathtext(self, gc, x, y, s, prop, angle):
"""
Draw math text using mathtex
"""
if not HAVE_MATHTEX:
return
m = Mathtex(s, rcParams['mathtext.fontset'], prop.get_size_in_points(),
72.0, rcParams['mathtext.default'])
# Extract the glyphs and rects to render
svg_glyphs = [(info.font, info.fontsize, unichr(info.num), ox,
m.height - oy + info.offset, info.metrics)
for ox, oy, info in m.glyphs]
svg_rects = [(x1, m.height - y1 + 1, x2 - x1, y2 - y1)
for x1, y1, x2, y2 in m.rects]
color = rgb2hex(gc.get_rgb()[:3])
write = self._svgwriter.write
style = "fill: %s" % color
if rcParams['svg.embed_char_paths']:
new_chars = []
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
path = self._add_char_def(font, thetext)
if path is not None:
new_chars.append(path)
if len(new_chars):
write('<defs>\n')
for path in new_chars:
write(path)
write('</defs>\n')
svg = ['<g style="%s" transform="' % style]
if angle != 0:
svg.append('translate(%f,%f)rotate(%1.1f)' % (x, y, -angle))
else:
svg.append('translate(%f,%f)' % (x, y))
svg.append('">\n')
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
charid = self._get_char_def_id(font, thetext)
svg.append(
'<use xlink:href="#%s" transform="translate(%f,%f)scale(%f)"/>\n'
% (charid, new_x, -new_y_mtc, fontsize / self.FONT_SCALE))
svg.append('</g>\n')
else: # not rcParams['svg.embed_char_paths']
svg = ['<text style="%s" x="%f" y="%f"' % (style, x, y)]
if angle != 0:
svg.append(
' transform="translate(%f,%f) rotate(%1.1f) translate(%f,%f)"'
% (x, y, -angle, -x,
-y)) # Inkscape doesn't support rotate(angle x y)
svg.append('>\n')
curr_x, curr_y = 0.0, 0.0
for font, fontsize, thetext, new_x, new_y_mtc, metrics in svg_glyphs:
new_y = -new_y_mtc
style = "font-size: %f; font-family: %s" % (fontsize,
font.family_name)
svg.append('<tspan style="%s"' % style)
xadvance = metrics.advance
svg.append(' textLength="%f"' % xadvance)
dx = new_x - curr_x
if dx != 0.0:
svg.append(' dx="%f"' % dx)
dy = new_y - curr_y
if dy != 0.0:
svg.append(' dy="%f"' % dy)
thetext = escape_xml_text(thetext)
svg.append('>%s</tspan>\n' % thetext)
curr_x = new_x + xadvance
curr_y = new_y
svg.append('</text>\n')
if len(svg_rects):
style = "fill: %s; stroke: none" % color
svg.append('<g style="%s" transform="' % style)
if angle != 0:
svg.append('translate(%f,%f) rotate(%1.1f)' % (x, y, -angle))
else:
svg.append('translate(%f,%f)' % (x, y))
svg.append('">\n')
for x, y, width, height in svg_rects:
svg.append(
'<rect x="%f" y="%f" width="%f" height="%f" fill="black" stroke="none" />'
% (x, -y + height, width, height))
svg.append("</g>")
self.open_group("mathtext")
write(''.join(svg))
self.close_group("mathtext")
