Attachment 15965 Details for Bug 15546 – pycairo program used to measure glyph performance

pycairo program used to measure glyph performance

text-profile.py (text/plain), 980 bytes, created by Owen Taylor on 2008-04-16 23:14:50 UTC

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Creator: Owen Taylor

Created: 2008-04-16 23:14:50 UTC

Size: 980 bytes

patch

obsolete

>#!/usr/bin/python
>
>from __future__ import division
>import gtk
>import cairo
>import time
>
>TOTAL_CHARS = 20000
>
>cmap = gtk.gdk.screen_get_default().get_rgb_colormap()
>p = gtk.gdk.Pixmap(None, 100, 100, cmap.get_visual().depth)
>p.set_colormap(cmap)
>
>pbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, 1, 1)
>
>for nchars in (1, 1, 5, 10, 20, 50):
>    text = ("AB" * ((nchars + 1) // 2))[0:nchars]
>
>    result = []
>    for repeat in (1,2,3):
>        before = time.time()
>        font_options = cairo.FontOptions()
>        font_options.set_antialias(cairo.ANTIALIAS_GRAY)
>        cr = p.cairo_create()
>        cr.set_font_options(font_options)
>#        cr.set_font_size(50)
>        for i in xrange(0,TOTAL_CHARS // nchars):
>            cr.move_to(0, 75)
>            cr.show_text(text)
>
>        pbuf.get_from_drawable(p, cmap, 0, 0, 0, 0, 1, 1)
>        after = time.time()
>        result.append((TOTAL_CHARS / (after - before)))
>        
>    print "%d: %s" % (nchars, result)
>
>
>
>

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Attachments on bug 15546: 15964 | 15965 | 15966 | 15967

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