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37 Bye Bye BDFs 38 Bye Bye BDFs
38 </h1> 39 </h1>
39 <div class="post-text"> 40 <div class="post-text">
40 <!DOCTYPE html> 41 <p>Glyph Bitmap Distribution Format is no more, as the creators of <a href="https://pango.org">Pango</a>, one of the most widely used text rendering libraries, <a href="https://blogs.gnome.org/mclasen/2019/05/25/pango-future-directions/">announced</a> their plans for Pango 1.44.</p>
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60<p>Glyph Bitmap Distribution Format is no more, as the creators of <a href="https://pango.org">Pango</a>, one of the most widely used text rendering libraries, <a href="https://blogs.gnome.org/mclasen/2019/05/25/pango-future-directions/">announced</a> their plans for Pango 1.44.</p>
61<p>Until recently, Pango used FreeType to draw fonts. They will be moving over to <a href="https://harfbuzz.org">Harfbuzz</a>, an evolution of FreeType.</p> 42<p>Until recently, Pango used FreeType to draw fonts. They will be moving over to <a href="https://harfbuzz.org">Harfbuzz</a>, an evolution of FreeType.</p>
62<p><em>Why?</em></p> 43<p><em>Why?</em></p>
63<p>In short, FreeType was hard to work with. It required complex logic, and provided no advantage over Harfbuzz (other than being able to fetch opentype metrics with ease).</p> 44<p>In short, FreeType was hard to work with. It required complex logic, and provided no advantage over Harfbuzz (other than being able to fetch opentype metrics with ease).</p>
64<p>Upgrading to Pango v1.44 will break your GTK applications (if you use a <code>bdf</code>/<code>pcf</code> bitmap font). Harfbuzz <em>does</em> support bitmap-only OpenType fonts, <code>otb</code>s. Convert your existing fonts over to <code>otb</code>s using <a href="https://fontforge.github.io">FontForge</a>. It is to be noted that applications such as <code>xterm</code> and <code>rxvt</code> use <code>xft</code> (X FreeType) to render fonts, and will remain unaffected by the update.</p> 45<p>Upgrading to Pango v1.44 will break your GTK applications (if you use a <code>bdf</code>/<code>pcf</code> bitmap font). Harfbuzz <em>does</em> support bitmap-only OpenType fonts, <code>otb</code>s. Convert your existing fonts over to <code>otb</code>s using <a href="https://fontforge.github.io">FontForge</a>. It is to be noted that applications such as <code>xterm</code> and <code>rxvt</code> use <code>xft</code> (X FreeType) to render fonts, and will remain unaffected by the update.</p>
65<p>Both <a href="https://github.com/nerdypepper/scientifica">scientifica</a> and <a href="https://github.com/nerdypepper/curie">curie</a> will soon ship with bitmap-only OpenType font formats.</p> 46<p>Both <a href="https://github.com/nerdypepper/scientifica">scientifica</a> and <a href="https://github.com/nerdypepper/curie">curie</a> will soon ship with bitmap-only OpenType font formats.</p>
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68 47
69 </div> 48 </div>
70 49
71 <div class=intro> 50 <div class=intro>
72 Hi. <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a> 51 Hi.
52 <div class=hot-links>
53 <a href=https://peppe.rs/index.xml class=feed-button>Subscribe</a>
54 <a href=https://liberapay.com/nerdypepper/donate class=donate-button>Donate</a>
55 </div>
73 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p> 56 <p>I'm Akshay, I go by nerd or nerdypepper on the internet.</p>
74 <p> 57 <p>
75 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. 58 I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer.