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gecko/dom/svg/test/test_text.html

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Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=392233
-->
<head>
<title>Test for Bug 392233</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=392233">Mozilla Bug 392233</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<iframe id="svg" src="text-helper.svg"></iframe>
<pre id="test">
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
function runTest()
{
var doc = $("svg").contentWindow.document;
var text1 = doc.getElementById("text1");
var text2 = doc.getElementById("text2");
var text3 = doc.getElementById("text3");
Bug 536912 - getNumberOfChars() throws an exception if text is display:none. r=roc
2010-02-11 02:54:45 -08:00
var text4 = doc.getElementById("text4");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
var charWidth = text1.getSubStringLength(0, 1);
function isPoint(pt1, x, y, str)
{
is(pt1.x, x, str + " x");
is(pt1.y, y, str + " y");
}
function ymost(r)
{
return r.y + r.height;
}
function xmost(r)
{
return r.x + r.width;
}
var p = text1.getStartPositionOfChar(0);
// Simple horizontal string
is(text1.getNumberOfChars(), 3, "text1 length");
ok(text1.getComputedTextLength() > 0, "text1 measured length");
is(text1.getComputedTextLength(), text1.getSubStringLength(0, 3), "text1 substring length");
isPoint(text1.getStartPositionOfChar(0), 5, 25, "text1 char 0 start offset");
isPoint(text1.getStartPositionOfChar(1), 5 + charWidth, 25, "text1 char 1 start offset");
isPoint(text1.getStartPositionOfChar(2), 5 + 2*charWidth, 25, "text1 char 2 start offset");
isPoint(text1.getEndPositionOfChar(0), 5 + charWidth, 25, "text1 char 0 end offset");
isPoint(text1.getEndPositionOfChar(1), 5 + 2*charWidth, 25, "text1 char 1 end offset");
isPoint(text1.getEndPositionOfChar(2), 5 + 3*charWidth, 25, "text1 char 2 end offset");
is(text1.getExtentOfChar(0).x, 5, "text1 char 0 extent x");
is(text1.getExtentOfChar(0).width, text1.getSubStringLength(0, 1), "text1 char 0 extent width");
ok(text1.getExtentOfChar(0).y < 25, "text1 char 0 extent y");
ok(ymost(text1.getExtentOfChar(0)) > 25, "text1 char 0 extent height");
is(text1.getExtentOfChar(1).x, 5 + charWidth, "text1 char 1 extent x");
is(text1.getExtentOfChar(1).width, text1.getSubStringLength(0, 1), "text1 char 1 extent width");
is(text1.getExtentOfChar(1).y, text1.getExtentOfChar(0).y, "text1 char 0/1 extent y");
is(text1.getExtentOfChar(1).height, text1.getExtentOfChar(0).height, "text1 char 0/1 extent height");
is(text1.getExtentOfChar(2).x, 5 + 2*charWidth, "text1 char 2 extent x");
is(text1.getExtentOfChar(2).width, text1.getSubStringLength(0, 1), "text1 char 2 extent width");
is(text1.getExtentOfChar(2).y, text1.getExtentOfChar(0).y, "text1 char 0/2 extent y");
is(text1.getExtentOfChar(2).height, text1.getExtentOfChar(0).height, "text1 char 0/2 extent height");
is(text1.getRotationOfChar(0), 0, "text1 char 0 rotation");
is(text1.getRotationOfChar(1), 0, "text1 char 0 rotation");
is(text1.getRotationOfChar(2), 0, "text1 char 0 rotation");
p.x = 5 + 0.1;
p.y = 25;
is(text1.getCharNumAtPosition(p), 0, "text1 finding char 0 left edge");
p.x = 5 + charWidth - 0.1;
is(text1.getCharNumAtPosition(p), 0, "text1 finding char 0 on right");
p.x = 5 - 0.1;
is(text1.getCharNumAtPosition(p), -1, "text1 finding no char on left");
p.x = 5 + 0.1;
p.y = text1.getExtentOfChar(0).y - 0.1;
is(text1.getCharNumAtPosition(p), -1, "text1 finding no char on top");
p.y = text1.getExtentOfChar(0).y + 0.1;
is(text1.getCharNumAtPosition(p), 0, "text1 finding char 0 top edge");
p.x = 5 + 3*charWidth - 0.1;
is(text1.getCharNumAtPosition(p), 2, "text1 finding char 2 top edge");
p.x = 5 + 3*charWidth + 0.1;
is(text1.getCharNumAtPosition(p), -1, "text1 finding no char on right");
// Simple rotated-90 string ... width might change because of hinting
charWidth = text2.getSubStringLength(0, 1);
is(text2.getNumberOfChars(), 3, "text2 length");
ok(text2.getComputedTextLength() > 0, "text2 measured length");
is(text2.getComputedTextLength(), text2.getSubStringLength(0, 3), "text2 substring length");
isPoint(text2.getStartPositionOfChar(0), 100, 125, "text2 char 0 start offset");
isPoint(text2.getStartPositionOfChar(1), 100, 125 + charWidth, "text2 char 1 start offset");
isPoint(text2.getStartPositionOfChar(2), 100, 125 + 2*charWidth, "text2 char 2 start offset");
isPoint(text2.getEndPositionOfChar(0), 100, 125 + charWidth, "text2 char 0 end offset");
isPoint(text2.getEndPositionOfChar(1), 100, 125 + 2*charWidth, "text2 char 1 end offset");
isPoint(text2.getEndPositionOfChar(2), 100, 125 + 3*charWidth, "text2 char 2 end offset");
is(text2.getExtentOfChar(0).y, 125, "text2 char 0 extent y");
Bug 937994 - Part 2: Mark some tests fuzzy, and change the discontinuity side of joins they expect. r=dholbert
2013-11-17 17:29:05 -08:00
isfuzzy(text2.getExtentOfChar(0).height, charWidth, 0.000001, "text2 char 0 extent height");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
ok(text2.getExtentOfChar(0).width < 100, "text2 char 0 extent x");
ok(xmost(text2.getExtentOfChar(0)) > 100, "text2 char 0 extent width");
is(text2.getExtentOfChar(1).y, 125 + charWidth, "text2 char 1 extent x");
Bug 937994 - Part 2: Mark some tests fuzzy, and change the discontinuity side of joins they expect. r=dholbert
2013-11-17 17:29:05 -08:00
isfuzzy(text2.getExtentOfChar(1).height, text2.getSubStringLength(0, 1), 0.000001, "text2 char 1 extent width");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
is(text2.getExtentOfChar(1).x, text2.getExtentOfChar(0).x, "text2 char 0/1 extent y");
is(text2.getExtentOfChar(1).width, text2.getExtentOfChar(0).width, "text2 char 0/1 extent height");
is(text2.getExtentOfChar(2).y, 125 + 2*charWidth, "text2 char 2 extent x");
Bug 937994 - Part 2: Mark some tests fuzzy, and change the discontinuity side of joins they expect. r=dholbert
2013-11-17 17:29:05 -08:00
isfuzzy(text2.getExtentOfChar(2).height, text2.getSubStringLength(0, 1), 0.000001, "text2 char 2 extent width");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
is(text2.getExtentOfChar(2).x, text2.getExtentOfChar(0).x, "text2 char 0/2 extent y");
is(text2.getExtentOfChar(2).width, text2.getExtentOfChar(0).width, "text2 char 0/2 extent height");
is(text2.getRotationOfChar(0), 90, "text2 char 0 rotation");
is(text2.getRotationOfChar(1), 90, "text2 char 0 rotation");
is(text2.getRotationOfChar(2), 90, "text2 char 0 rotation");
p.y = 125 + 0.1;
p.x = 100;
is(text2.getCharNumAtPosition(p), 0, "text2 finding char 0 top edge");
p.y = 125 + charWidth - 0.1;
is(text2.getCharNumAtPosition(p), 0, "text2 finding char 0 on bottom");
p.y = 125 - 0.1;
is(text2.getCharNumAtPosition(p), -1, "text2 finding no char on top");
p.y = 125 + 0.1;
p.x = text2.getExtentOfChar(0).x - 0.1;
is(text2.getCharNumAtPosition(p), -1, "text2 finding no char on left");
p.x = text2.getExtentOfChar(0).x + 0.1;
is(text2.getCharNumAtPosition(p), 0, "text2 finding char 0 left edge");
p.y = 125 + 3*charWidth - 0.1;
is(text2.getCharNumAtPosition(p), 2, "text2 finding char 2 bottom edge");
p.y = 1225 + 3*charWidth + 0.1;
is(text2.getCharNumAtPosition(p), -1, "text2 finding no char on bottom");
// Text along a thin rectangle path
charWidth = text3.getSubStringLength(0, 1);
is(text3.getNumberOfChars(), 26, "text3 length");
ok(text3.getComputedTextLength() > 0, "text3 measured length");
is(text3.getComputedTextLength(), text3.getSubStringLength(0, 26), "text3 substring length");
// character 12 should be on the bottom side
is(text3.getStartPositionOfChar(12).y, 253, "text3 char 12 start offset");
is(text3.getEndPositionOfChar(12).y, 253, "text3 char 12 end offset");
ok(text3.getExtentOfChar(12).y < 253, "text3 char 12 extent y");
ok(ymost(text3.getExtentOfChar(12)) > 253, "text3 char 12 extent height");
Bug 939534 - Follow-up to the follow-up to address review comments to address orange that caused (mark tests fuzzy). r=me
2013-11-18 03:17:09 -08:00
isfuzzy(text3.getRotationOfChar(12), 180, 0.001, "text3 char 12 rotation");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
p.x = text3.getExtentOfChar(12).x + 0.1;
p.y = ymost(text3.getExtentOfChar(12)) - 0.1;
is(text3.getCharNumAtPosition(p), 12, "text3 finding char 12");
// This next test is tricky. The glyph for character 3 may overlap from the above
// but character 12 wins because it's the last to render
p.y = text3.getExtentOfChar(12).y + 0.1;
is(text3.getCharNumAtPosition(p), 12, "text3 finding last rendered char");
// character 25 should be beyond the end of the path
// Not sure what should happen here. Currently we throw, which seems wrong
// is(text3.getStartPositionOfChar(25).x, 0, "text3 char 25 start offset");
Bug 536912 - getNumberOfChars() throws an exception if text is display:none. r=roc
2010-02-11 02:54:45 -08:00
// Display:none string
is(text4.getNumberOfChars(), 0, "text4 length");
is(text4.getComputedTextLength(), 0, "text4 measured length");
is(text4.getSubStringLength(0, 3), 0, "text4 substring length");
p = text1.getStartPositionOfChar(0);
is(text4.getCharNumAtPosition(p), -1, "text4 shouldn't find rendered char");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
}
function runTests() {
runTest();
var doc = $("svg").contentWindow.document;
Modify existing mochitest to cover bug 456282
2008-10-11 07:03:53 -07:00
doc.getElementById("g").setAttribute("transform", "scale(2) rotate(90 200 200)");
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
runTest();
SimpleTest.finish();
}
backout 01a00ce2b662 (Bug 940381) since its mochitest tweaks may make things less robust instead of more robust
2013-12-02 09:59:38 -08:00
window.addEventListener("load", runTests, false);
Bug 392233. Take the current contxt scale into account when constructing textruns for SVG, and simplify the SVG text code. r=longsonr,sr=vlad
2008-03-17 18:45:05 -07:00
</script>
</pre>
</body>
</html>
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