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Merge pull request #182 from cgjones/issue-176

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we don't cache built-in fonts
This commit is contained in:
sayrer 2011-07-04 21:17:35 -07:00
commit 5f70605dd8
2 changed files with 12 additions and 7 deletions
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7
fonts.js
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@ -70,11 +70,14 @@ var Fonts = (function Fonts() {
return fonts[fontName]; return fonts[fontName];
}, },
setActive: function fonts_setActive(fontName, size) { setActive: function fonts_setActive(fontName, size) {
current = fonts[fontName]; // |current| can be null is fontName is a built-in font
// (e.g. "sans-serif")
if ((current = fonts[fontName])) {
charsCache = current.charsCache; charsCache = current.charsCache;
var sizes = current.sizes; var sizes = current.sizes;
if (!(measureCache = sizes[size])) if (!(measureCache = sizes[size]))
measureCache = sizes[size] = Object.create(null); measureCache = sizes[size] = Object.create(null);
}
ctx.font = (size * kScalePrecision) + 'px "' + fontName + '"'; ctx.font = (size * kScalePrecision) + 'px "' + fontName + '"';
}, },
charsToUnicode: function fonts_chars2Unicode(chars) { charsToUnicode: function fonts_chars2Unicode(chars) {
@ -87,7 +90,7 @@ var Fonts = (function Fonts() {
return str; return str;
// translate the string using the font's encoding // translate the string using the font's encoding
var encoding = current.properties.encoding; var encoding = current ? current.properties.encoding : null;
if (!encoding) if (!encoding)
return chars; return chars;

4
viewer.js
View File

@ -91,7 +91,9 @@ function displayPage(num) {
infoDisplay.innerHTML = "Time to load/compile/fonts/render: "+ (t1 - t0) + "/" + (t2 - t1) + "/" + (t3 - t2) + "/" + (t4 - t3) + " ms"; infoDisplay.innerHTML = "Time to load/compile/fonts/render: "+ (t1 - t0) + "/" + (t2 - t1) + "/" + (t3 - t2) + "/" + (t4 - t3) + " ms";
} }
FontLoader.bind(fonts, displayPage); // Always defer call to displayPage() to work around bug in
// Firefox error reporting from XHR callbacks.
FontLoader.bind(fonts, function () { setTimeout(displayPage, 0); });
} }
function nextPage() { function nextPage() {