third_party/WebKit/LayoutTests/fast/canvas/canvas-text-baseline-tiny-fonts.html - Issue 2392033002: Correcting text baseline for tiny fonts

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/canvas-text-baseline-tiny-fonts.html

Issue 2392033002: Correcting text baseline for tiny fonts (Closed)

Patch Set: Rebaseline. Created 4 years, 2 months ago

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	1 <!DOCTYPE html>

	2 <canvas id="canvas1" width=200 height=250></canvas>

	3 <canvas id="canvas2" width=250 height=250></canvas>

	4 <canvas id="canvas3" width=250 height=250></canvas>

	5 <canvas id="canvas4" width=250 height=250></canvas>

	6

	7 <script>

	8 if (window.testRunner)

	9 window.testRunner.dumpAsTextWithPixelResults();

	10

	11 function draw() {

	12 // The code works fine with 1px font size, however testing that makes

	13 // the test flaky due to pixel differences.

	14 for (i = 2; i <= 4; i++) {

	15 var ctx = document.getElementById("canvas" + i).getContext("2d");

	16 ctx.scale(25, 25);

	17 ctx.lineWidth = 0.1;

	18

	19 ctx.beginPath();

	20 ctx.moveTo(0, 5);

	21 ctx.lineTo(20, 5);

	22 ctx.stroke();

	23

	24 ctx.font = i + "px sans-serif";

	25 ctx.textBaseline = "top";

	26 ctx.strokeText("A", 1, 5);

	27 ctx.textBaseline = "middle"

	28 ctx.strokeText("B", 3, 5);

	29 ctx.textBaseline = "alphabetic"

	30 ctx.strokeText("C", 5, 5);

	31 ctx.textBaseline = "bottom";

	32 ctx.strokeText("D", 7, 5);

	33 }

	34 }

	35

	36 window.onload = draw;

	37 </script>

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