def wmf2eps(wmf_fp, title=None): """ Return a psg.document.dsc.eps_document instance containing a rendition of the wmf file pointed fo by 'wmf_fp'. @param wmf_fp: File pointer open for reading (seeking is not needed) @param title: Title string for the EPS document. """ eps = eps_document(title=title) page = eps.page reader = postscript_reader(wmf_fp) # This renders the wmf file in memory. If one wanted to comply # with psg's 'lazy' pollicy for wmf files, one could easily do so # by writing a special subclass of eps_document that keeps a # reference to the reader and then calls save() on write_to(). outstream = eps.page # Colorize the PostScript to be able to tell it apart from # debugging info. if debug.verbose: outstream = color_ps(outstream) reader.save(outstream) width = float(reader.bounding_box.width()) / float(reader.resolution) * 72.0 height = float(reader.bounding_box.height()) / float(reader.resolution) * 72.0 eps.header.bounding_box = (0, 0, width, height) eps.header.hires_bounding_box = (0, 0, width, height) return eps
def main(): if len(sys.argv) < 3: print "Usage: %s <outline file> <metrics file>" % sys.argv[0] sys.exit(-1) margin = mm(3) font_size = 20 outline_file = open(sys.argv[1]) metrics_file = open(sys.argv[2]) # Load the font font = type1(outline_file, metrics_file) # The text to be set # text = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" text = unicode(font.full_name) + u" € üäöÜÄÖß" # Create the EPS document eps = eps_document(title=font.full_name) page = eps.page # Register the font with the document #font_wrapper = page.register_font(font) font_wrapper = eps.register_font(font) # The actual string sits in its own textbox # width = the width of the string width = font.metrics.stringwidth(text, font_size) tb = textbox(page, margin, margin, width+5, font_size) tb.set_font(font_wrapper, font_size) tb.typeset(text) page.append(tb) # Page height = the height of the largest character (=font bbox height). fontbb = font.metrics.font_bounding_box() page_height = fontbb.ury * float(font_size) # scale to font size, too page_bb = bounding_box(0, 0, tb.w() + 2*margin, page_height + 2*margin) eps.header.bounding_box = page_bb.as_tuple() eps.header.hires_bounding_box = page_bb.as_tuple() eps.write_to(sys.stdout)
def main(): if len(sys.argv) < 3: print "Usage: %s <outline file> <metrics file>" % sys.argv[0] sys.exit(-1) cellpadding = mm(1) page_margin = mm(16) font_size = 10 chars = u"""ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz äöüÄÖÜß 0123456789 !\"§$%&/()=?€@ „“ “” »«""" outline_file = open(sys.argv[1]) metrics_file = open(sys.argv[2]) # Load the font font = type1(outline_file, metrics_file) # Create the EPS document eps = eps_document(title=font.full_name) page = eps.page # Register the font with the document font_wrapper = page.register_font(font) # Ok, we got to find out a number of things: Dimensions of the cells, # dimensions of the table m = 0 for char in chars: m = max(m, font.metrics.stringwidth(char, font_size)) td_width = m + 2*cellpadding td_height = font_size + 2*cellpadding lines = map(strip, split(chars, "\n")) lines.reverse() m = 0 for line in lines: m = max(m, len(line)) cols = m rows = len(lines) table_width = cols * td_width table_height = rows * td_height # Create a canvas at the coordinates of the page_margins and width # the table's size. table = canvas(page, page_margin, page_margin, table_width, table_height, border=True) # Draw the table grid by drawing row and column boundaries. print >> table, "gsave" print >> table, "0.4 setgray [] 0.5 setdash" for a in range(1, cols): print >> table, "newpath" print >> table, "%f %f moveto" % ( a * td_width, 0, ) print >> table, "%f %f lineto" % ( a * td_width, table_height, ) print >> table, "stroke" for a in range(1, rows): print >> table, "newpath" print >> table, "%f %f moveto" % ( 0, a * td_height, ) print >> table, "%f %f lineto" % ( table_width, a * td_height, ) print >> table, "stroke" print >> table, "grestore" print >> table, "/%s findfont" % font_wrapper.ps_name() print >> table, "%f scalefont" % font_size print >> table, "setfont" for lc, line in enumerate(lines): for cc, char in enumerate(line): x = cc * td_width + cellpadding y = lc * td_height + cellpadding psrep = font_wrapper.postscript_representation(char) print >> table, "%f %f moveto" % ( x, y, ) print >> table, "(%s) show" % psrep page.append(table) page_bb = table.bounding_box() eps.header.bounding_box = page_bb.as_tuple() eps.header.hires_bounding_box = page_bb.as_tuple() eps.write_to(sys.stdout)