products/Sources/formale Sprachen/C/Firefox/dom/svg/test/test_text.html
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html xmlns=
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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=392233
-->
<
head >
<
title >Test for Bug 392233</
title >
<
script src=
"/tests/SimpleTest/SimpleTest.js" ></
script >
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css" />
</
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<
body >
<a target=
"_blank" href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=392233 " >Mozill
a 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" );
var text4 = doc.getElementById("text4" );
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 isPointFuzzy(pt1, x, y, str) {
isfuzzy(pt1.x, x, 0.05, str + " x" );
isfuzzy(pt1.y, y, 0.05, 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" );
isPointFuzzy(text1.getStartPositionOfChar(1), 5 + charWidth, 25, "text1 char 1 start offset" );
isPointFuzzy(text1.getStartPositionOfChar(2), 5 + 2 * charWidth, 25, "text1 char 2 start offset" );
isPointFuzzy(text1.getEndPositionOfChar(0), 5 + charWidth, 25, "text1 char 0 end offset" );
isPointFuzzy(text1.getEndPositionOfChar(1), 5 + 2 * charWidth, 25, "text1 char 1 end offset" );
isPointFuzzy(text1.getEndPositionOfChar(2), 5 + 3 * charWidth, 25, "text1 char 2 end offset" );
isfuzzy(text1.getExtentOfChar(0).x, 5, 0.01, "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" );
isfuzzy(text1.getExtentOfChar(1).x, 5 + charWidth, 0.01, "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" );
isfuzzy(text1.getExtentOfChar(2).x, 5 + 2 * charWidth, 0.02, "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" );
isPointFuzzy(text2.getStartPositionOfChar(0), 100, 125, "text2 char 0 start offset" );
isPointFuzzy(text2.getStartPositionOfChar(1), 100, 125 + charWidth, "text2 char 1 start offset" );
isPointFuzzy(text2.getStartPositionOfChar(2), 100, 125 + 2 * charWidth, "text2 char 2 start offset" );
isPointFuzzy(text2.getEndPositionOfChar(0), 100, 125 + charWidth, "text2 char 0 end offset" );
isPointFuzzy(text2.getEndPositionOfChar(1), 100, 125 + 2 * charWidth, "text2 char 1 end offset" );
isPointFuzzy(text2.getEndPositionOfChar(2), 100, 125 + 3 * charWidth, "text2 char 2 end offset" );
isfuzzy(text2.getExtentOfChar(0).y, 125, 0.01, "text2 char 0 extent y" );
isfuzzy(text2.getExtentOfChar(0).height, charWidth, 0.000001, "text2 char 0 extent height" );
ok(text2.getExtentOfChar(0).width < 100, "text2 char 0 extent x" );
ok(xmost(text2.getExtentOfChar(0)) > 100, "text2 char 0 extent width" );
isfuzzy(text2.getExtentOfChar(1).y, 125 + charWidth, 0.01, "text2 char 1 extent x" );
isfuzzy(text2.getExtentOfChar(1).height, text2.getSubStringLength(0, 1), 0.000001, "text2 char 1 extent width" );
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" );
isfuzzy(text2.getExtentOfChar(2).y, 125 + 2 * charWidth, 0.01, "text2 char 2 extent x" );
isfuzzy(text2.getExtentOfChar(2).height, text2.getSubStringLength(0, 1), 0.000001, "text2 char 2 extent width" );
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" );
isfuzzy(text3.getRotationOfChar(12), 180, 0.001, "text3 char 12 rotation" );
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" );
// 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" );
}
function runTests() {
runTest();
var doc = $("svg" ).contentWindow.document;
doc.getElementById("g" ).setAttribute("transform" , "scale(2) rotate(90 200 200)" );
runTest();
SimpleTest.finish();
}
window.addEventListener("load" , runTests);
</script >
</pre >
</body >
</html >
Messung V0.5 C=95 H=95 G=94
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