Quelle test_isPointInStroke.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/canvas/test/test_isPointInStroke.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Canvas test: isPointInStroke</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script type="application/javascript">

var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');

ctx.lineWidth = 5;

ok(ctx.isPointInStroke(50, 25) === false, 'ctx.isPointInStroke(50, 25) === false');

ctx.beginPath();
ctx.rect(0, 0, 20, 20);

ok(ctx.isPointInStroke(-4, -4) === false, 'ctx.isPointInStroke(-4, -4) === false');
ok(ctx.isPointInStroke(4, 4) === false, 'ctx.isPointInStroke(4, 4) === false');
ok(ctx.isPointInStroke(16, 16) === false, 'ctx.isPointInStroke(16, 16) === false');
ok(ctx.isPointInStroke(24, 24) === false, 'ctx.isPointInStroke(24, 24) === false');

ok(ctx.isPointInStroke(-2, -2) === true, 'ctx.isPointInStroke(-2, -2) === true');
ok(ctx.isPointInStroke(2, 2) === true, 'ctx.isPointInStroke(2, 2) === true');
ok(ctx.isPointInStroke(18, 18) === true, 'ctx.isPointInStroke(18, 18) === true');
ok(ctx.isPointInStroke(22, 22) === true, 'ctx.isPointInStroke(22, 22) === true');

ctx.beginPath();
ctx.rect(25, 25, 20, 20);

ok(ctx.isPointInStroke(21, 21) === false, 'ctx.isPointInStroke(21, 21) === false');
ok(ctx.isPointInStroke(29, 29) === false, 'ctx.isPointInStroke(29, 29) === false');
ok(ctx.isPointInStroke(42, 42) === false, 'ctx.isPointInStroke(42, 42) === false');
ok(ctx.isPointInStroke(50, 50) === false, 'ctx.isPointInStroke(50, 50) === false');

ok(ctx.isPointInStroke(23, 23) === true, 'ctx.isPointInStroke(23, 23) === true');
ok(ctx.isPointInStroke(27, 27) === true, 'ctx.isPointInStroke(27, 27) === true');
ok(ctx.isPointInStroke(43, 43) === true, 'ctx.isPointInStroke(43, 43) === true');
ok(ctx.isPointInStroke(47, 47) === true, 'ctx.isPointInStroke(47, 47) === true');

ctx.beginPath();
ctx.moveTo(25, 25);
ctx.bezierCurveTo(50, -50, 50, 100, 75, 25);

ok(ctx.isPointInStroke(23, 26) === false, 'ctx.isPointInStroke(23, 26) === false');
ok(ctx.isPointInStroke(75, 23) === false, 'ctx.isPointInStroke(75, 23) === false');
ok(ctx.isPointInStroke(37, 8) === false, 'ctx.isPointInStroke(37, 8) === false');
ok(ctx.isPointInStroke(61, 42) === false, 'ctx.isPointInStroke(61, 42) === false');

ok(ctx.isPointInStroke(24, 24) === true, 'ctx.isPointInStroke(24, 24) === true');
ok(ctx.isPointInStroke(74, 25) === true, 'ctx.isPointInStroke(74, 25) === true');
ok(ctx.isPointInStroke(37, 2) === true, 'ctx.isPointInStroke(37, 2) === true');
ok(ctx.isPointInStroke(61, 47) === true, 'ctx.isPointInStroke(61, 47) === true');

ctx.beginPath();
ctx.arc(50, 25, 10, 0, Math.PI, false);

ok(ctx.isPointInStroke(39, 23) === false, 'ctx.isPointInStroke(39, 23) === false');
ok(ctx.isPointInStroke(50, 15) === false, 'ctx.isPointInStroke(50, 15) === false');
ok(ctx.isPointInStroke(60, 23) === false, 'ctx.isPointInStroke(60, 23) === false');
ok(ctx.isPointInStroke(50, 25) === false, 'ctx.isPointInStroke(50, 25) === false');

ok(ctx.isPointInStroke(39, 26) === true, 'ctx.isPointInStroke(39, 26) === true');
ok(ctx.isPointInStroke(45, 33) === true, 'ctx.isPointInStroke(45, 33) === true');
ok(ctx.isPointInStroke(53, 33) === true, 'ctx.isPointInStroke(53, 33) === true');
ok(ctx.isPointInStroke(59, 26) === true, 'ctx.isPointInStroke(59, 26) === true');

ctx.beginPath();
ctx.arc(50, 25, 10, 0, 2 * Math.PI, false);

ok(ctx.isPointInStroke(34, 25) === false, 'ctx.isPointInStroke(34, 25) === false');
ok(ctx.isPointInStroke(44, 25) === false, 'ctx.isPointInStroke(44, 25) === false');
ok(ctx.isPointInStroke(49, 30) === false, 'ctx.isPointInStroke(49, 30) === false');
ok(ctx.isPointInStroke(49, 40) === false, 'ctx.isPointInStroke(49, 40) === false');

ok(ctx.isPointInStroke(39, 23) === true, 'ctx.isPointInStroke(39, 23) === true');
ok(ctx.isPointInStroke(50, 15) === true, 'ctx.isPointInStroke(50, 15) === true');
ok(ctx.isPointInStroke(60, 23) === true, 'ctx.isPointInStroke(60, 23) === true');
ok(ctx.isPointInStroke(49, 34) === true, 'ctx.isPointInStroke(49, 34) === true');

ctx.beginPath();
ctx.save();
ctx.translate(20, 20);
ctx.rect(0, 0, 20, 20);

ok(ctx.isPointInStroke(16, 16) === false, 'ctx.isPointInStroke(16, 16) === false');
ok(ctx.isPointInStroke(24, 24) === false, 'ctx.isPointInStroke(24, 24) === false');
ok(ctx.isPointInStroke(36, 36) === false, 'ctx.isPointInStroke(36, 36) === false');
ok(ctx.isPointInStroke(44, 44) === false, 'ctx.isPointInStroke(44, 44) === false');

ok(ctx.isPointInStroke(18, 18) === true, 'ctx.isPointInStroke(18, 18) === true');
ok(ctx.isPointInStroke(22, 22) === true, 'ctx.isPointInStroke(22, 22) === true');
ok(ctx.isPointInStroke(38, 38) === true, 'ctx.isPointInStroke(38, 38) === true');
ok(ctx.isPointInStroke(42, 42) === true, 'ctx.isPointInStroke(42, 42) === true');

ctx.restore();

ctx.beginPath();
ctx.save();
ctx.scale(-1, 1);
ctx.rect(-30, 20, 20, 20);

ok(ctx.isPointInStroke(16, 16) === false, 'ctx.isPointInStroke(16, 16) === false');
ok(ctx.isPointInStroke(14, 24) === false, 'ctx.isPointInStroke(14, 24) === false');
ok(ctx.isPointInStroke(26, 36) === false, 'ctx.isPointInStroke(26, 36) === false');
ok(ctx.isPointInStroke(34, 44) === false, 'ctx.isPointInStroke(34, 44) === false');

ok(ctx.isPointInStroke(8, 18) === true, 'ctx.isPointInStroke(8, 18) === true');
ok(ctx.isPointInStroke(12, 22) === true, 'ctx.isPointInStroke(12, 22) === true');
ok(ctx.isPointInStroke(28, 38) === true, 'ctx.isPointInStroke(28, 38) === true');
ok(ctx.isPointInStroke(32, 42) === true, 'ctx.isPointInStroke(32, 42) === true');

ctx.restore();

ctx.beginPath();
ctx.save();
ctx.lineWidth = 2;
ctx.translate(50, 25);
ctx.rotate(180 * Math.PI / 180);
ctx.scale(5, 5);
ctx.arc(0, 0, 2, 0, Math.PI, false);

ok(ctx.isPointInStroke(39, 26) === false, 'ctx.isPointInStroke(39, 26) === false');
ok(ctx.isPointInStroke(45, 33) === false, 'ctx.isPointInStroke(45, 33) === false');
ok(ctx.isPointInStroke(53, 33) === false, 'ctx.isPointInStroke(53, 33) === false');
ok(ctx.isPointInStroke(59, 26) === false, 'ctx.isPointInStroke(59, 26) === false');

ok(ctx.isPointInStroke(39, 23) === true, 'ctx.isPointInStroke(39, 23) === true');
ok(ctx.isPointInStroke(45, 15) === true, 'ctx.isPointInStroke(50, 15) === true');
ok(ctx.isPointInStroke(55, 15) === true, 'ctx.isPointInStroke(50, 25) === true');
ok(ctx.isPointInStroke(60, 23) === true, 'ctx.isPointInStroke(60, 23) === true');

ctx.restore();

ctx.beginPath();

ctx.moveTo(10, 10);
ctx.lineTo(30, 10);
ctx.save();
ctx.lineWidth = 2;
ctx.scale(5, 5);
ctx.lineTo(6, 6);
ctx.lineTo(2, 6);
ctx.restore();
ctx.closePath();

ok(ctx.isPointInStroke(6, 6) === false, 'ctx.isPointInStroke(6, 6) === false');
ok(ctx.isPointInStroke(14, 14) === false, 'ctx.isPointInStroke(14, 14) === false');
ok(ctx.isPointInStroke(26, 26) === false, 'ctx.isPointInStroke(26, 26) === false');
ok(ctx.isPointInStroke(34, 34) === false, 'ctx.isPointInStroke(34, 34) === false');

ok(ctx.isPointInStroke(8, 8) === true, 'ctx.isPointInStroke(8, 8) === true');
ok(ctx.isPointInStroke(12, 12) === true, 'ctx.isPointInStroke(12, 12) === true');
ok(ctx.isPointInStroke(28, 28) === true, 'ctx.isPointInStroke(28, 28) === true');
ok(ctx.isPointInStroke(32, 32) === true, 'ctx.isPointInStroke(32, 32) === true');

ctx.beginPath();
ctx.rect(-30, -30, 20, 20);

ok(ctx.isPointInStroke(-34, -34) === false, 'ctx.isPointInStroke(-34, -34) === false');
ok(ctx.isPointInStroke(-26, -26) === false, 'ctx.isPointInStroke(-26, -26) === false');
ok(ctx.isPointInStroke(-14, -14) === false, 'ctx.isPointInStroke(-14, -14) === false');
ok(ctx.isPointInStroke(-6, -6) === false, 'ctx.isPointInStroke(-6, -6) === false');

ok(ctx.isPointInStroke(-32, -32) === true, 'ctx.isPointInStroke(-32, -32) === true');
ok(ctx.isPointInStroke(-28, -28) === true, 'ctx.isPointInStroke(-28, -28) === true');
ok(ctx.isPointInStroke(-12, -12) === true, 'ctx.isPointInStroke(-12, -12) === true');
ok(ctx.isPointInStroke(-8, -8) === true, 'ctx.isPointInStroke(-8, -8) === true');

ctx.beginPath();
ctx.moveTo(20, 25);
ctx.lineTo(80, 25);

ok(ctx.isPointInStroke(19, 25) === false, 'ctx.isPointInStroke(19, 25) === false');
ok(ctx.isPointInStroke(50, 21) === false, 'ctx.isPointInStroke(50, 21) === false');
ok(ctx.isPointInStroke(81, 25) === false, 'ctx.isPointInStroke(81, 25) === false');
ok(ctx.isPointInStroke(50, 29) === false, 'ctx.isPointInStroke(50, 29) === false');

ok(ctx.isPointInStroke(21, 25) === true, 'ctx.isPointInStroke(21, 25) === true');
ok(ctx.isPointInStroke(50, 23) === true, 'ctx.isPointInStroke(50, 23) === true');
ok(ctx.isPointInStroke(79, 25) === true, 'ctx.isPointInStroke(79, 25) === true');
ok(ctx.isPointInStroke(50, 27) === true, 'ctx.isPointInStroke(50, 27) === true');

ctx.lineWidth = 15;
ctx.lineCap = 'round';

ctx.beginPath();
ctx.moveTo(20, 25);
ctx.lineTo(80, 25);

ok(ctx.isPointInStroke(13, 18) === false, 'ctx.isPointInStroke(13, 18) === false');
ok(ctx.isPointInStroke(13, 31) === false, 'ctx.isPointInStroke(13, 31) === false');
ok(ctx.isPointInStroke(86, 18) === false, 'ctx.isPointInStroke(86, 18) === false');
ok(ctx.isPointInStroke(86, 31) === false, 'ctx.isPointInStroke(86, 31) === false');

ok(ctx.isPointInStroke(13, 25) === true, 'ctx.isPointInStroke(13, 25) === true');
ok(ctx.isPointInStroke(50, 18) === true, 'ctx.isPointInStroke(50, 18) === true');
ok(ctx.isPointInStroke(86, 25) === true, 'ctx.isPointInStroke(86, 25) === true');
ok(ctx.isPointInStroke(50, 31) === true, 'ctx.isPointInStroke(50, 31) === true');

ctx.lineJoin = 'round';

ctx.beginPath();
ctx.moveTo(20, 15);
ctx.lineTo(80, 15);
ctx.lineTo(80, 35);

ok(ctx.isPointInStroke(86, 8) === false, 'ctx.isPointInStroke(86, 8) === false');
ok(ctx.isPointInStroke(70, 24) === false, 'ctx.isPointInStroke(70, 24) === false');
ok(ctx.isPointInStroke(73, 41) === false, 'ctx.isPointInStroke(73, 41) === false');
ok(ctx.isPointInStroke(86, 41) === false, 'ctx.isPointInStroke(86, 41) === false');

ok(ctx.isPointInStroke(14, 15) === true, 'ctx.isPointInStroke(14, 15) === true');
ok(ctx.isPointInStroke(81, 15) === true, 'ctx.isPointInStroke(81, 15) === true');
ok(ctx.isPointInStroke(79, 41) === true, 'ctx.isPointInStroke(79, 41) === true');
ok(ctx.isPointInStroke(73, 21) === true, 'ctx.isPointInStroke(73, 21) === true');

</script>
</pre>
</body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet am 2026-06-09) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.