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Diffstat (limited to 'harfbuzz10years/harfbuzz10years_slides.py')
| -rwxr-xr-x | harfbuzz10years/harfbuzz10years_slides.py | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/harfbuzz10years/harfbuzz10years_slides.py b/harfbuzz10years/harfbuzz10years_slides.py new file mode 100755 index 0000000..de53327 --- /dev/null +++ b/harfbuzz10years/harfbuzz10years_slides.py @@ -0,0 +1,221 @@ +#!/usr/bin/python +# -*- coding:utf8 -*- + +# Copyright 2016 Behdad Esfahbod <behdad@google.com> + +# A slides file should populate the variable slides with +# a list of tuples. Each tuple should have: +# +# - Slide content +# - User data +# - Canvas width +# - Canvas height +# +# Slide content can be a string, a list of strings, +# a function returning one of those, or a generator +# yielding strings. The user data should be a dictionary or +# None, and is both used to communicate options to the +# renderer and to pass extra options to the theme functions. +# +# A function-based slide content will be passed a renderer object. +# Renderer is an object similar to a cairo.Context and +# pangocairo.CairoContext but has its own methods too. +# The more useful of them here are put_text, put_image, and +# set_allocation. See their pydocs. + +title_font="Impact" +head_font="noto sans bold" # "Oswald Bold" +body_font="noto sans condensed 50" # "PT Sans" +xbody_font="noto sans thin 200" # "PT Sans" +mono_font="Consolas, monospace" + +slides = [] +def slide_add(f, data=None, width=1920, height=1024): + if data is None: + data = {} + if "desc" not in data: + data['desc'] = body_font + slides.append ((f, data, width, height)) + return f + +import pango, pangocairo, cairo + +# And convenience functions to add a slide. Can be +# used as a function decorator, or called directly. +def slide(f, data=None, scale=None): + if data: + data = dict (data) + else: + data = {} + if not scale: scale = 1. + def slider(r): + r.move_to (50, 30) + r.scale(scale, scale) + r.put_text (f, valign=1, halign=1, desc=body_font) + #r.set_allocation (x, y, width, height) + if isinstance(f, basestring): + return slide_add (slider, data) + return slide_add (f, data) + +def slide_big(f, data=None, scale=None): + if data: + data = dict (data) + else: + data = {} + if not scale: scale = 1 + def slider(r): + r.move_to (960, 512) + r.scale(scale, scale) + r.put_text (f, valign=0, halign=0, desc=xbody_font) + #r.set_allocation (x, y, width, height) + if isinstance(f, basestring): + return slide_add (slider, data) + return slide_add (f, data) + +def slide_title (title, text, scale=None): + ts = '' if not title else "<span font_desc='"+head_font+"'>"+title+"</span>\n\n" + ts = ts + text.strip() + #s.__name__ = title + data={'desc': body_font, 'align': pango.ALIGN_LEFT} + slide (ts, data, scale=scale) +def bullet_list_slide (title, items): + ts = "<span font_desc='"+head_font+"'>"+title+"</span>\n\n" + ts = ts + '\n'.join ("- " + item for item in items) + #s.__name__ = title + data={'desc': body_font, 'align': pango.ALIGN_LEFT} + slide (ts, data) + +def image_slide (f, width=1920, height=1024, imgwidth=0, imgheight=0, xoffset=0, yoffset=0, data=None): + def s (r): + r.move_to (960+xoffset, 512+yoffset) + r.put_image (f, width=imgwidth, height=imgheight) + x = (1920 - width) * .5 + y = (1024 - height) * .5 + r.set_allocation (x, y, width, height) + s.__name__ = f + slide (s, data) + return s + +# +# Slides start here +# + +@slide +def title_slide (r): + r.move_to (30, 1000) + r.save() + r.set_source_rgb(0xf6/255., 0x48/255., 0x48/255.) + r.put_text ("<span font_desc='"+title_font+"' font_size='large'>Ten\nYears\nof\n"+ + "HarfBuzz</span>", + valign=-1, halign=1, desc=title_font+" 128") + + r.restore() + r.move_to (1890, 1000) + r.scale(1.4, 1.4) + r.put_text ("Behdad Esfahbod\nGoogle", halign=-1, valign=-1) + +#slide_big("FontTools") + +slide_title("Pre History", '\n'.join([ + "FreeType Layout", + '', + "Pango", + '', + "Qt", + ])) +slide_title("Early Days", '\n'.join([ + "<b>2006Q1</b> Import FTL code from Pango into HarfBuzz(old)", + '', + "<b>2006Q4</b> Start experimental rewrite, called harfbuzz-ng", + '', + "<b>2007Q1</b> Qt donated their shapers to HarfBuzz(old)", + ])) + +slide_title("harfbuzz-ng goals", '\n'.join([ + "user-friendly", + '', + "robust", + '', + "efficient", + '', + "threadsafe", + '', + "portable", + '', + "featureful", + ])) + +slide_title("Slow Days", '\n'.join([ + "<b>2007</b> 3 commits", + '', + "<b>2008</b> 25 commits", + ])) + +slide_title("Faster Days", '\n'.join([ + "<b>2009</b> over 400 commits", + "", + "<b>2009Q4</b> HarfBuzz Hackfest at Mozilla Toronto", + '', + "<b>2009Q4</b> WebkitGTK+ Hackfest", + '', + '<b>2010Q2</b> HarfBuzz Hackfest in Reading, UK', + '', + '<b>2010</b> Firefox ships for Latin', + ])) + +slide_title("Slower then Even Faster Days", '\n'.join([ + "<b>2012Q2</b> HarfBuzz Hackfest at Google Zurich", + "", + "<b>2012Q3</b> HarfBuzz Hackfest at Mozilla Toronto", + '', + "<b>2012Q3</b> Pango switches over", + '', + "<b>2012Q4</b> HarfBuzz Hackfest at Mozilla Vancouver", + '', + "<b>2012Q4</b> ChromeOS / Chrome Linux", + '', + "<b>2012Q4</b> ICU Layout port", + ])) + +slide_title("Taking off", '\n'.join([ + "<b>2013Q1</b> HarfBuzz Hackfest at Google London / Mozilla London", + '', + "<b>2013Q2</b> Android switches", + "", + "<b>2013Q4</b> HarfBuzz Hackfest at Mozilla Paris / Google Paris", + '', + "<b>~2014</b> Firefox switches for all scripts", + '', + "<b>2014Q1</b> Chrome Windows switches", + ])) + +slide_title("Maturity", '\n'.join([ + "<b>~2015</b> Chrome Mac switch", + '', + "<b>2015Q3</b> HarfBuzz Hackfest at Mozilla London: USE", + '', + "<b>2015Q3</b> HarfBuzz 1.0.0", + '', + "<b>2015Q4</b> HarfBuzz Hackfest at Mozilla London: Unicode 8.0", + '', + "<b>2016Q2</b> HarfBuzz Hackfest at Mozilla London: Unicode 9.0", + ])) + +slide_title("Future", '\n'.join([ + "hb-ot-font", + '', + "OpenType MATH", + '', + "OpenType COLR/CPAL, SVG", + '', + "OpenType Variation Fonts (mutator?)", + ])) + +#image_slide("pipeline.png", imgwidth=1900, imgheight=1000) + +slide_big("Q&A") + +if __name__ == "__main__": + import slippy + import harfbuzz10years_theme + slippy.main (slides, harfbuzz10years_theme, args=['--geometry', '1920x1024']) |