171 lines
6.5 KiB
HTML
171 lines
6.5 KiB
HTML
<!DOCTYPE HTML>
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<title>Canvas test: toDataURL parameters for png moz specific</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<body>
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<p>
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This test covers the png compression options moz specific.
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</p>
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<canvas id="c" width="400" height="400"><p class="fallback">FAIL (fallback content)</p></canvas>
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<script>
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let canvas = document.getElementById('c');
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let ctx = canvas.getContext("2d");
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ctx.strokeStyle = '#FF0000';
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ctx.fillStyle = '#00FF00';
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ctx.fillRect(0, 0, 100, 100);
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ctx.beginPath();
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ctx.moveTo(10, 10);
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ctx.lineTo(90, 90);
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ctx.stroke();
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ctx.strokeStyle = '#0000FF';
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ctx.beginPath();
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ctx.moveTo(90, 10);
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ctx.lineTo(10, 90);
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ctx.stroke();
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ctx.beginPath();
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ctx.arc(75, 75, 50, 0, Math.PI * 2, true); // Outer circle
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ctx.moveTo(110, 75);
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ctx.arc(75, 75, 35, 0, Math.PI, false); // Mouth (clockwise)
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ctx.moveTo(65, 65);
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ctx.arc(60, 65, 5, 0, Math.PI * 2, true); // Left eye
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ctx.moveTo(95, 65);
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ctx.arc(90, 65, 5, 0, Math.PI * 2, true); // Right eye
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ctx.stroke();
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ctx.strokeStyle = '#FF0000';
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// Set line width
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ctx.lineWidth = 10;
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// Wall
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ctx.strokeRect(75, 140, 150, 110);
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// Door
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ctx.fillRect(130, 190, 40, 60);
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// Roof
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ctx.beginPath();
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ctx.moveTo(50, 140);
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ctx.lineTo(150, 60);
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ctx.lineTo(250, 140);
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ctx.closePath();
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ctx.stroke();
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for (let i = 0; i < 4; i++) {
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for (let j = 0; j < 3; j++) {
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ctx.beginPath();
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let x = 25 + j * 50; // x coordinate
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let y = 25 + i * 50; // y coordinate
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let radius = 20; // Arc radius
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let startAngle = 0; // Starting point on circle
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let endAngle = Math.PI + (Math.PI * j) / 2; // End point on circle
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let counterclockwise = i % 2 !== 0; // clockwise or counterclockwise
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ctx.arc(x, y, radius, startAngle, endAngle, counterclockwise);
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if (i > 1) {
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ctx.fill();
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} else {
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ctx.stroke();
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}
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}
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}
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for (let i = 0; i < 6; i++) {
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for (let j = 0; j < 6; j++) {
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ctx.fillStyle = `rgb(
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${Math.floor(255 - 42.5 * i)},
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${Math.floor(255 - 42.5 * j)},
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0)`;
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ctx.fillRect(200 + j * 25, 100 + i * 25, 25, 25);
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}
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}
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for (let i = 0; i < 6; i++) {
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for (let j = 0; j < 6; j++) {
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ctx.fillStyle = `rgb(
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${Math.floor(255 - 42.5 * i)},
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0,
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${Math.floor(255 - 42.5 * j)})`;
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ctx.fillRect(200 + j * 25, 250 + i * 25, 25, 25);
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}
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}
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for (let i = 0; i < 6; i++) {
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for (let j = 0; j < 6; j++) {
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ctx.fillStyle = `rgb(
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0,
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${Math.floor(255 - 42.5 * i)},
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${Math.floor(255 - 42.5 * j)})`;
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ctx.fillRect(0 + j * 25, 250 + i * 25, 25, 25);
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}
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}
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// vary the zlib level
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{
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let zlib0 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=0");
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let zlib3 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=3");
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let zlibDefaultLevel = canvas.toDataURL("image/png");
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let zlib9 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=9");
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// zlib0 > zlib3, zlibDefaultLevel > zlib9
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ok(zlib0.length > zlib3.length, "zlib 3 better compression than zlib 0");
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ok(zlib0.length > zlibDefaultLevel.length, "zlib default better compression than zlib 0");
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ok(zlib3.length > zlib9.length, "zlib 9 better compression than zlib 3");
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ok(zlibDefaultLevel.length > zlib9.length, "zlib 9 better compression than zlib default");
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}
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// vary the filter
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{
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let zlibNone = canvas.toDataURL("image/png", "-moz-parse-options:png-filter=none");
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let zlibSub = canvas.toDataURL("image/png", "-moz-parse-options:png-filter=sub");
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let zlibDefaultFilter = canvas.toDataURL("image/png");
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let zlibAll = canvas.toDataURL("image/png", "-moz-parse-options:png-filter=all");
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// zlibNone, zlibSub, zlibDefaultFilter > zlibAll
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ok(zlibNone.length != zlibSub.length, "sub filter different compression than none filter");
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ok(zlibNone.length != zlibDefaultFilter.length, "default filter different compression than none filter");
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ok(zlibNone.length > zlibAll.length, "all filter better compression than none filter");
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ok(zlibSub.length > zlibAll.length, "all filter better compression than sub filter");
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ok(zlibDefaultFilter.length > zlibAll.length, "all filter better compression than default filter");
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}
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// non-default zlib level, vary the filter
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{
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let zlibNone = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=6;png-filter=none");
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let zlibSub = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=6;png-filter=sub");
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let zlibDefaultFilter = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=6");
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let zlibAll = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=6;png-filter=all");
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// zlibNone, zlibSub, zlibDefaultFilter > zlibAll
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ok(zlibNone.length != zlibSub.length, "sub filter different compression than none filter");
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ok(zlibNone.length != zlibDefaultFilter.length, "default filter different compression than none filter");
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ok(zlibNone.length > zlibAll.length, "all filter better compression than none filter");
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ok(zlibSub.length > zlibAll.length, "all filter better compression than sub filter");
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ok(zlibDefaultFilter.length > zlibAll.length, "all filter better compression than default filter");
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}
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// non-default filter, vary the zlib level
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{
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let zlib0 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=0;png-filter=all");
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let zlib3 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=3;png-filter=all");
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let zlibDefaultLevel = canvas.toDataURL("image/png", "-moz-parse-options:png-filter=all");
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let zlib9 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=9;png-filter=all");
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// zlib0 > zlib3, zlibDefaultLevel > zlib9
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ok(zlib0.length > zlib3.length, "(all) zlib 3 better compression than zlib 0");
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ok(zlib0.length > zlibDefaultLevel.length, "(all) zlib default better compression than zlib 0");
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ok(zlib3.length > zlib9.length, "(all) zlib 9 better compression than zlib 3");
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ok(zlibDefaultLevel.length > zlib9.length, "(all) zlib 9 better compression than zlib default");
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}
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// vary both
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{
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let zlib2 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=2;png-filter=none");
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let zlib5 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=5;png-filter=paeth");
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let zlib7 = canvas.toDataURL("image/png", "-moz-parse-options:png-zlib-level=7;png-filter=all");
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// zlib2 > zlib5 > zlib7
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ok(zlib2.length > zlib5.length, "zlib 5 with paeth filter better than zlib 2 with none filter");
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ok(zlib5.length > zlib7.length, "zlib 7 with all filter better than zlib 5 with paeth filter");
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}
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</script>
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