def draw_image(self, x, y, width, height, imgref):
name = self.current_page.add_image(imgref)
self.current_page.write(
'q %s 0 0 %s %s %s cm ' %
(fmtnum(width), fmtnum(-height), fmtnum(x), fmtnum(y + height)))
serialize(Name(name), self.current_page)
self.current_page.write_line(' Do Q')
def draw_image_with_transform(self,
imgref,
translation=(0, 0),
scaling=(1, 1)):
name = self.current_page.add_image(imgref)
self.current_page.write('q {} 0 0 {} {} {} cm '.format(
*(tuple(scaling) + tuple(translation))))
serialize(Name(name), self.current_page)
self.current_page.write_line(' Do Q')
def write_obj(self, stream, num, obj):
stream.write(EOL)
self._offsets[num - 1] = stream.tell()
stream.write('%d 0 obj' % num)
stream.write(EOL)
serialize(obj, stream)
if stream.last_char != EOL:
stream.write(EOL)
stream.write('endobj')
stream.write(EOL)
def write_obj(self, stream, num, obj):
stream.write(EOL)
self._offsets[num-1] = stream.tell()
stream.write('%d 0 obj'%num)
stream.write(EOL)
serialize(obj, stream)
if stream.last_char != EOL:
stream.write(EOL)
stream.write('endobj')
stream.write(EOL)
def draw_glyph_run(self, transform, size, font_metrics, glyphs):
glyph_ids = {x[-1] for x in glyphs}
fontref = self.font_manager.add_font(font_metrics, glyph_ids)
name = self.current_page.add_font(fontref)
self.current_page.write(b'BT ')
serialize(Name(name), self.current_page)
self.current_page.write(' %s Tf '%fmtnum(size))
self.current_page.write('%s Tm '%' '.join(map(fmtnum, transform)))
for x, y, glyph_id in glyphs:
self.current_page.write_raw(('%s %s Td <%04X> Tj '%(
fmtnum(x), fmtnum(y), glyph_id)).encode('ascii'))
self.current_page.write_line(b' ET')
def draw_glyph_run(self, transform, size, font_metrics, glyphs):
glyph_ids = {x[-1] for x in glyphs}
fontref = self.font_manager.add_font(font_metrics, glyph_ids)
name = self.current_page.add_font(fontref)
self.current_page.write(b'BT ')
serialize(Name(name), self.current_page)
self.current_page.write(' %s Tf '%fmtnum(size))
self.current_page.write('%s Tm '%' '.join(map(fmtnum, transform)))
for x, y, glyph_id in glyphs:
self.current_page.write_raw(('%s %s Td <%04X> Tj '%(
fmtnum(x), fmtnum(y), glyph_id)).encode('ascii'))
self.current_page.write_line(b' ET')
def draw_glyph_run(self, transform, size, font_metrics, glyphs):
glyph_ids = {x[-1] for x in glyphs}
fontref = self.font_manager.add_font(font_metrics, glyph_ids)
name = self.current_page.add_font(fontref)
self.current_page.write(b'BT ')
serialize(Name(name), self.current_page)
self.current_page.write(' %g Tf '%size)
self.current_page.write('%s Tm '%' '.join(map(type(u''), transform)))
for x, y, glyph_id in glyphs:
self.current_page.write('%g %g Td '%(x, y))
serialize(GlyphIndex(glyph_id), self.current_page)
self.current_page.write(' Tj ')
self.current_page.write_line(b' ET')
def end(self):
if self.current_page.getvalue():
self.end_page()
self.font_manager.embed_fonts()
inforef = self.objects.add(self.info)
self.objects.pdf_serialize(self.stream)
self.write_line()
startxref = self.objects.write_xref(self.stream)
file_id = String(self.stream.hashobj.hexdigest().decode('ascii'))
self.write_line('trailer')
trailer = Dictionary({'Root':self.catalog, 'Size':len(self.objects)+1,
'ID':Array([file_id, file_id]), 'Info':inforef})
serialize(trailer, self.stream)
self.write_line('startxref')
self.write_line('%d'%startxref)
self.stream.write('%%EOF')
def end(self):
if self.current_page.getvalue():
self.end_page()
self.font_manager.embed_fonts(self.debug)
inforef = self.objects.add(self.info)
self.links.add_links()
self.objects.pdf_serialize(self.stream)
self.write_line()
startxref = self.objects.write_xref(self.stream)
file_id = String(as_unicode(self.stream.hashobj.hexdigest()))
self.write_line('trailer')
trailer = Dictionary({'Root':self.catalog, 'Size':len(self.objects)+1,
'ID':Array([file_id, file_id]), 'Info':inforef})
serialize(trailer, self.stream)
self.write_line('startxref')
self.write_line('%d'%startxref)
self.stream.write('%%EOF')
def pdf_serialize(self, stream, font_name):
if not self.text: return
stream.write_line('BT ')
serialize(Name(font_name), stream)
stream.write(' %g Tf '%self.size)
stream.write(' '.join(map(type(u''), self.transform)) + ' Tm ')
if self.horizontal_scale != self.default_horizontal_scale:
stream.write('%g Tz '%self.horizontal_scale)
if self.word_spacing != self.default_word_spacing:
stream.write('%g Tw '%self.word_spacing)
if self.char_space != self.default_char_space:
stream.write('%g Tc '%self.char_space)
stream.write_line()
if self.glyph_adjust is self.default_glyph_adjust:
serialize(String(self.text), stream)
stream.write(' Tj ')
else:
chars = Array()
frac, widths = self.glyph_adjust
for c, width in izip(self.text, widths):
chars.append(String(c))
chars.append(int(width * frac))
serialize(chars, stream)
stream.write(' TJ ')
stream.write_line('ET')
def serialize(self, o):
serialize(o, self.current_page)
def set_opacity(self, opref):
if opref not in self.opacities:
self.opacities[opref] = 'Opa%d'%len(self.opacities)
name = self.opacities[opref]
serialize(Name(name), self)
self.write(b' gs ')
def serialize(self, o):
serialize(o, self.current_page)
def set_line_join(self, style):
serialize({'miter':0, 'round':1, 'bevel':2}[style], self.current_page)
self.current_page.write_line(' j')
def set_line_cap(self, style):
serialize({'flat':0, 'round':1, 'square':2}.get(style),
self.current_page)
self.current_page.write_line(' J')
def set_line_width(self, width):
serialize(width, self.current_page)
self.current_page.write_line(' w')
def set_dash(self, array, phase=0):
array = Array(array)
serialize(array, self.current_page)
self.current_page.write(b' ')
serialize(phase, self.current_page)
self.current_page.write_line(' d')
def draw_image(self, x, y, width, height, imgref):
name = self.current_page.add_image(imgref)
self.current_page.write('q %s 0 0 %s %s %s cm '%(fmtnum(width),
fmtnum(-height), fmtnum(x), fmtnum(y+height)))
serialize(Name(name), self.current_page)
self.current_page.write_line(' Do Q')
def set_opacity(self, opref):
if opref not in self.opacities:
self.opacities[opref] = 'Opa%d' % len(self.opacities)
name = self.opacities[opref]
serialize(Name(name), self)
self.write(b' gs ')
def draw_image(self, x, y, xscale, yscale, imgref):
name = self.current_page.add_image(imgref)
self.current_page.write('q %g 0 0 %g %g %g cm '%(xscale, yscale, x, y))
serialize(Name(name), self.current_page)
self.current_page.write_line(' Do Q')
