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Load fonts before running screenshotter (#1891)

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This commit is contained in:
ylemkimon
2019-04-07 18:15:05 +09:00
committed by GitHub
parent 7d7c55c4c7
commit b9deec098f
2 changed files with 40 additions and 12 deletions
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16
dockers/screenshotter/screenshotter.js
View File

@@ -384,18 +384,17 @@ function takeScreenshot(key) {
function loadMath() {
if (!opts.reload && driverReady) {
driver.executeAsyncScript(
"var callback = arguments[arguments.length - 1]; " +
driver.executeScript(
"handle_search_string(" +
JSON.stringify("?" + itm.query) + ", callback);")
JSON.stringify("?" + itm.query) + ");")
.then(waitThenScreenshot);
} else if (opts.coverage) {
// collect coverage before reloading
collectCoverage().then(function() {
return driver.get(url).then(waitThenScreenshot);
return driver.get(url).then(loadFonts);
});
} else {
driver.get(url).then(waitThenScreenshot);
driver.get(url).then(loadFonts);
}
}
@@ -408,6 +407,13 @@ function takeScreenshot(key) {
});
}
function loadFonts() {
driver.executeAsyncScript(
"var callback = arguments[arguments.length - 1]; " +
"load_fonts(callback);")
.then(waitThenScreenshot);
}
function waitThenScreenshot() {
driverReady = true;
if (opts.wait) {

36
test/screenshotter/test.html
View File

@@ -31,7 +31,35 @@
<span id="math"></span>
<span id="post"></span>
<script type="text/javascript">
function handle_search_string(search, callback) {
function load_fonts(callback) {
if (!document.fonts || !document.fonts.load) {
callback();
return;
}
var results = [];
function load_font(name, style) {
// 10px is arbitrarily selected value
results.push(document.fonts.load((style || "") + " 10px " + name));
}
var fonts = {AMS:1,Caligraphic:3,Fraktur:3,Main:15,Math:12,Script:1,
SansSerif:7,Size1:1,Size2:1,Size3:1,Size4:1,Typewriter:1}; // see below
for (var f in fonts) {
var ff = fonts[f];
var name = "KaTeX_" + f;
if (ff & 1) load_font(name);
if (ff & 2) load_font(name, "bold");
if (ff & 4) load_font(name, "italic");
if (ff & 8) load_font(name, "bold italic");
}
load_font("Mincho");
load_font("Batang");
Promise.all(results).then(callback)
}
function handle_search_string(search) {
var query = {};
var re = /(?:^\?|&)([^&=]+)(?:=([^&]+))?/g;
var match;
@@ -58,12 +86,6 @@
katex.render(query["tex"], mathNode, settings);
document.getElementById("pre").innerHTML = query["pre"] || "";
document.getElementById("post").innerHTML = query["post"] || "";
if (callback && document.fonts && document.fonts.ready) {
document.fonts.ready.then(callback);
} else if (callback) {
callback();
}
}
handle_search_string(window.location.search);
</script>