def do_Do(self, xobjid): xobjid = literal_name(xobjid) try: xobj = stream_value(self.xobjmap[xobjid]) except KeyError: if STRICT: raise PDFInterpreterError('Undefined xobject id: %r' % xobjid) return if 1 <= self.debug: print(('Processing xobj: %r' % xobj)) subtype = xobj.get('Subtype') if subtype is LITERAL_FORM and 'BBox' in xobj: interpreter = self.dup() bbox = list_value(xobj['BBox']) matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY)) # According to PDF reference 1.7 section 4.9.1, XObjects in # earlier PDFs (prior to v1.2) use the page's Resources entry # instead of having their own Resources entry. resources = dict_value(xobj.get('Resources')) or self.resources.copy() self.device.begin_figure(xobjid, bbox, matrix) interpreter.render_contents(resources, [xobj], ctm=mult_matrix(matrix, self.ctm)) self.device.end_figure(xobjid) elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj: self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY) self.device.render_image(xobjid, xobj) self.device.end_figure(xobjid) else: # unsupported xobject type. pass return
def render_string(self, textstate, seq): matrix = mult_matrix(textstate.matrix, self.ctm) font = textstate.font fontsize = textstate.fontsize scaling = textstate.scaling * .01 charspace = textstate.charspace * scaling wordspace = textstate.wordspace * scaling rise = textstate.rise if font.is_multibyte(): wordspace = 0 dxscale = .001 * fontsize * scaling if font.is_vertical(): textstate.linematrix = self.render_string_vertical( seq, matrix, textstate.linematrix, font, fontsize, scaling, charspace, wordspace, rise, dxscale) else: textstate.linematrix = self.render_string_horizontal( seq, matrix, textstate.linematrix, font, fontsize, scaling, charspace, wordspace, rise, dxscale) return
def do_cm(self, a1, b1, c1, d1, e1, f1): self.ctm = mult_matrix((a1,b1,c1,d1,e1,f1), self.ctm) self.device.set_ctm(self.ctm) return
def begin_figure(self, name, bbox, matrix): self._stack.append(self.cur_item) self.cur_item = LTFigure(name, bbox, mult_matrix(matrix, self.ctm)) return