From e5bed0a37fe1b0576d08435179e455cb28eadcdb Mon Sep 17 00:00:00 2001 From: Martin Hosken Date: Sat, 22 May 2010 20:19:00 +0100 Subject: [PATCH] Tidy up hbtestfont and add README --- contrib/python/README | 10 +++ contrib/python/scripts/hbtestfont | 134 +++++++++++++++--------------- 2 files changed, 77 insertions(+), 67 deletions(-) create mode 100644 contrib/python/README diff --git a/contrib/python/README b/contrib/python/README new file mode 100644 index 000000000..72a35279c --- /dev/null +++ b/contrib/python/README @@ -0,0 +1,10 @@ +This contains a wrapping of harfbuzz into python. The module is dependent on pyrex. To build, type: + +python setup.py build + +In addition there is a test application, hbtestfont. It has GTK based gui output and for this, python modules for gtk, gobject and cairo are needed. The application may be run without gui output using the --nogui option. + +Applications may be executed in the build context, without needing to install any modules or libraries, using the runpy script from the contrib/python directory. Thus one might type: + +./runpy script/hbtestfont -f "Charis SIL" 0048 0069 0303 + diff --git a/contrib/python/scripts/hbtestfont b/contrib/python/scripts/hbtestfont index 070e54939..e3a63f58e 100755 --- a/contrib/python/scripts/hbtestfont +++ b/contrib/python/scripts/hbtestfont @@ -3,57 +3,6 @@ import harfbuzz, optparse from fontconfig import fcPattern -try: - import gtk - import gobject - import cairo - from gtk import gdk -except : - raise SystemExit -import pygtk - -if gtk.pygtk_version < (2, 8) : - print "PyGtk 2.8 or later required" - raise SystemExit - -class GlyphsWindow (gtk.Widget) : - def __init__(self, fontname, bold, italic, size, glyphs) : - gtk.Widget.__init__(self) - self.fontname = fontname - self.size = size - self.glyphs = glyphs - self.bold = bold - self.italic = italic - - def do_realize(self) : - self.set_flags(gtk.REALIZED) - self.window = gdk.Window( - self.get_parent_window(), - width = self.allocation.width, - height = self.allocation.height, - window_type = gdk.WINDOW_CHILD, - wclass = gdk.INPUT_OUTPUT, - event_mask = self.get_events() | gdk.EXPOSURE_MASK) - self.window.set_user_data(self) - self.style.attach(self.window) - self.style.set_background(self.window, gtk.STATE_NORMAL) - self.window.move_resize(*self.allocation) - - def do_unrealize(self) : - self.window.destroy() - - def do_expose_event(self, event) : - cr = self.window.cairo_create() - cr.set_matrix(cairo.Matrix(1, 0, 0, 1, 0, 2 * self.size)) - 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)) - cr.set_font_size(self.size) - cr.show_glyphs(self.glyphs) # [(gid, originx, originy)] - -buffer = None - -def tracefn(ft, aType, index) : - print aType + "(" + str(index) + "): " + str(buffer.get_info()) - usage = '''usage: %prog [options] codepoints Generates output of glyphs and positions. Each entry is of the form: glyphid>cluster@(offsetx,offsety)+(advancex,advancey) @@ -68,15 +17,18 @@ p.add_option('-f', '--font', help='Font to use to render glyphs. My be a font fi p.add_option('-b', '--bold', help='Choose bold fonts', action='store_true') p.add_option('-i', '--italic', help='Choose italic fonts', action='store_true') p.add_option('-d', '--debug', action='store_true', help="Output trace info") +p.add_option('--nogui', action='store_true', help="Don't display a gui") (opts, args) = p.parse_args() fpat = opts.font + ":weight=" fpat += "bold" if opts.bold else "medium" +fpat += ":slant=" fpat += "italic" if opts.italic else "roman" pat = fcPattern(fpat) fname = pat.getString("file", 0) family = pat.getString("family", 0) print "Processing: " + fname + ft = harfbuzz.ft(fname, opts.size) text = "".join(unichr(int(c, 16)) for c in args) bytes = text.encode('utf_8') @@ -91,19 +43,67 @@ ft.shape(buffer, features = features) res = buffer.get_info(64) # scale for 26.6 print res -glyphs = [] -org = [0, 0] -for g in res : - glyphs.append((g.gid, org[0] + g.offset[0], org[1] + g.offset[1])) - org[0] += g.advance[0] - org[1] += g.advance[1] -gobject.type_register(GlyphsWindow) -win = gtk.Window() -win.resize(org[0] + 10, 3 * opts.size + 40) -win.connect('delete-event', gtk.main_quit) -frame = gtk.Frame("glyphs") -win.add(frame) -w = GlyphsWindow(family, opts.bold, opts.italic, opts.size, glyphs) -frame.add(w) -win.show_all() -gtk.main() +if not opts.nogui : + try: + import gtk + import gobject + import cairo + from gtk import gdk + except : + raise SystemExit + import pygtk + + if gtk.pygtk_version < (2, 8) : + print "PyGtk 2.8 or later required" + raise SystemExit + + class GlyphsWindow (gtk.Widget) : + def __init__(self, fontname, bold, italic, size, glyphs) : + gtk.Widget.__init__(self) + self.fontname = fontname + self.size = size + self.glyphs = glyphs + self.bold = bold + self.italic = italic + + def do_realize(self) : + self.set_flags(gtk.REALIZED) + self.window = gdk.Window( + self.get_parent_window(), + width = self.allocation.width, + height = self.allocation.height, + window_type = gdk.WINDOW_CHILD, + wclass = gdk.INPUT_OUTPUT, + event_mask = self.get_events() | gdk.EXPOSURE_MASK) + self.window.set_user_data(self) + self.style.attach(self.window) + self.style.set_background(self.window, gtk.STATE_NORMAL) + self.window.move_resize(*self.allocation) + + def do_unrealize(self) : + self.window.destroy() + + def do_expose_event(self, event) : + cr = self.window.cairo_create() + cr.set_matrix(cairo.Matrix(1, 0, 0, 1, 0, 1.5 * self.size)) + 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)) + cr.set_font_size(self.size) + cr.show_glyphs(self.glyphs) # [(gid, originx, originy)] + + glyphs = [] + org = [0, 0] + for g in res : + glyphs.append((g.gid, org[0] + g.offset[0], org[1] + g.offset[1])) + org[0] += g.advance[0] + org[1] += g.advance[1] + + gobject.type_register(GlyphsWindow) + win = gtk.Window() + win.resize(org[0] + 10, 2 * opts.size + 40) + win.connect('delete-event', gtk.main_quit) + frame = gtk.Frame("glyphs") + win.add(frame) + w = GlyphsWindow(family, opts.bold, opts.italic, opts.size, glyphs) + frame.add(w) + win.show_all() + gtk.main()