117 lines
4.2 KiB
Python
Executable File
117 lines
4.2 KiB
Python
Executable File
#!/usr/bin/python
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import harfbuzz, optparse, sys
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from fontconfig import fcPattern
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usage = '''usage: %prog [options] codepoints
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Generates output of glyphs and positions. Each entry is of the form:
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glyphid>cluster@(offsetx,offsety)+(advancex,advancey)
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codepoints is a space separated list of hex values of Unicode codepoints'''
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p = optparse.OptionParser(usage=usage)
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p.add_option('-s', '--size', default=32, type="int", help="point size")
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p.add_option('-l', '--lang', help="language code")
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p.add_option('-c', '--script', help="script code")
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p.add_option('-F', '--feature', action='append', help="define a feature key=val")
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p.add_option('-f', '--font', help='Font to use to render glyphs. My be a font file', default="verdana")
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p.add_option('-b', '--bold', help='Choose bold fonts', action='store_true')
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p.add_option('-i', '--italic', help='Choose italic fonts', action='store_true')
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p.add_option('-d', '--debug', action='store_true', help="Output trace info")
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p.add_option('--nogui', action='store_true', help="Don't display a gui")
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(opts, args) = p.parse_args()
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if opts.font.lower().endswith(".ttf") :
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fpat = ":file="
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else :
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fpat = ""
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fpat += opts.font + ":weight="
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fpat += "bold" if opts.bold else "medium"
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fpat += ":slant="
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fpat += "italic" if opts.italic else "roman"
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pat = fcPattern(fpat)
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fname = pat.getString("file", 0)
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family = pat.getString("family", 0)
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print "Processing: " + fname
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if opts.font.lower().endswith(".ttf") and opts.font != fname :
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print "Failed to find font in fontconfig. Exiting"
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sys.exit(1)
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ft = harfbuzz.ft(fname, opts.size)
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text = "".join(unichr(int(c, 16)) for c in args)
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bytes = text.encode('utf_8')
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buffer = harfbuzz.buffer(bytes, len(text))
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if (opts.lang or opts.script) : buffer.set_scriptlang(opts.script if opts.script else "", opts.lang if opts.lang else "")
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features = {}
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if opts.feature :
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for f in opts.feature :
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k, v = f.split("=")
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features[k] = v
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ft.shape(buffer, features = features)
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res = buffer.get_info(64) # scale for 26.6
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print res
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if not opts.nogui :
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try:
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import gtk
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import gobject
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import cairo
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from gtk import gdk
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except :
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raise SystemExit
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import pygtk
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if gtk.pygtk_version < (2, 8) :
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print "PyGtk 2.8 or later required"
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raise SystemExit
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class GlyphsWindow (gtk.Widget) :
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def __init__(self, fontname, bold, italic, size, glyphs) :
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gtk.Widget.__init__(self)
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self.fontname = fontname
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self.size = size
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self.glyphs = glyphs
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self.bold = bold
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self.italic = italic
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def do_realize(self) :
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self.set_flags(gtk.REALIZED)
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self.window = gdk.Window(
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self.get_parent_window(),
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width = self.allocation.width,
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height = self.allocation.height,
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window_type = gdk.WINDOW_CHILD,
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wclass = gdk.INPUT_OUTPUT,
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event_mask = self.get_events() | gdk.EXPOSURE_MASK)
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self.window.set_user_data(self)
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self.style.attach(self.window)
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self.style.set_background(self.window, gtk.STATE_NORMAL)
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self.window.move_resize(*self.allocation)
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def do_unrealize(self) :
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self.window.destroy()
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def do_expose_event(self, event) :
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cr = self.window.cairo_create()
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cr.set_matrix(cairo.Matrix(1, 0, 0, 1, 0, 1.5 * self.size))
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cr.set_font_face(cairo.ToyFontFace(self.fontname, cairo.FONT_SLANT_ITALIC if self.italic else cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD if self.bold else cairo.FONT_WEIGHT_NORMAL))
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cr.set_font_size(self.size)
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cr.show_glyphs(self.glyphs) # [(gid, originx, originy)]
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glyphs = []
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org = [0, 0]
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for g in res :
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glyphs.append((g.gid, org[0] + g.offset[0], org[1] - g.offset[1]))
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org[0] += g.advance[0]
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org[1] -= g.advance[1]
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gobject.type_register(GlyphsWindow)
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win = gtk.Window()
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win.resize(org[0] + 10, 2 * opts.size + 40)
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win.connect('delete-event', gtk.main_quit)
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frame = gtk.Frame("glyphs")
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win.add(frame)
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w = GlyphsWindow(family, opts.bold, opts.italic, opts.size, glyphs)
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frame.add(w)
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win.show_all()
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gtk.main()
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