64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
description("Series of tests for Canvas.isPointInPath");
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ctx = document.getElementById("canvas").getContext("2d");
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ctx.save();
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debug("Rectangle at (0,0) 20x20");
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ctx.rect(0, 0, 20, 20);
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shouldBe("ctx.isPointInPath(5, 5)", "true");
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shouldBe("ctx.isPointInPath(10, 10)", "true");
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shouldBe("ctx.isPointInPath(19, 19)", "true");
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shouldBe("ctx.isPointInPath(30, 30)", "false");
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shouldBe("ctx.isPointInPath(-1, 10)", "false");
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shouldBe("ctx.isPointInPath(10, -1)", "false");
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debug("Translate context (10,10)");
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ctx.translate(10,10);
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shouldBe("ctx.isPointInPath(5, 5)", "true");
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shouldBe("ctx.isPointInPath(10, 10)", "true");
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shouldBe("ctx.isPointInPath(19, 19)", "true");
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shouldBe("ctx.isPointInPath(30, 30)", "false");
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shouldBe("ctx.isPointInPath(-1, 10)", "false");
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shouldBe("ctx.isPointInPath(10, -1)", "false");
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debug("Collapse ctm to non-invertible matrix");
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ctx.scale(0,0);
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shouldBe("ctx.isPointInPath(5, 5)", "false");
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shouldBe("ctx.isPointInPath(10, 10)", "false");
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shouldBe("ctx.isPointInPath(20, 20)", "false");
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shouldBe("ctx.isPointInPath(30, 30)", "false");
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shouldBe("ctx.isPointInPath(-1, 10)", "false");
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shouldBe("ctx.isPointInPath(10, -1)", "false");
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debug("Resetting context to a clean state");
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ctx.restore();
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ctx.save();
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ctx.beginPath();
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debug("Translate context (10,10)");
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ctx.translate(10,10);
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debug("Rectangle at (0,0) 20x20");
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ctx.rect(0, 0, 20, 20);
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shouldBe("ctx.isPointInPath(5, 5)", "false");
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shouldBe("ctx.isPointInPath(10, 10)", "true");
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shouldBe("ctx.isPointInPath(20, 20)", "true");
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shouldBe("ctx.isPointInPath(29, 29)", "true");
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shouldBe("ctx.isPointInPath(-1, 10)", "false");
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shouldBe("ctx.isPointInPath(10, -1)", "false");
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ctx.restore();
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ctx.save();
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ctx.beginPath();
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debug("Translate context (10,20)");
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ctx.translate(10,20);
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debug("Transform context (1, 0, 0, -1, 0, 0)");
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ctx.transform(1, 0, 0, -1, 0, 0);
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debug("Rectangle at (0,0) 20x20");
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ctx.rect(0, 0, 20, 20);
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// After the flip, rect is actually 10, 0, 20, 20
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shouldBe("ctx.isPointInPath(5, 5)", "false");
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shouldBe("ctx.isPointInPath(10, 0)", "true");
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shouldBe("ctx.isPointInPath(29, 0)", "true");
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shouldBe("ctx.isPointInPath(10, 19)", "true");
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shouldBe("ctx.isPointInPath(21, 10)", "true");
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shouldBe("ctx.isPointInPath(29, 19)", "true");
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ctx.strokeStyle = 'green';
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ctx.stroke();
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ctx.restore();
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