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Fix crop_area_byte_length calculation in crop_image and add tests

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n0max 2017-03-13 19:26:12 +01:00
parent e34aac03ff
commit 6f470e497f
8 changed files with 185 additions and 1 deletions
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tests/wpt/web-platform-tests/2dcontext/2x4.png Normal file
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tests/wpt/web-platform-tests/2dcontext/4x2.png Normal file
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tests/wpt/web-platform-tests/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_14.html Normal file
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<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Canvas test: 2d.drawImage.crop.2x4</title>
<link rel="match" href="drawimage_html_image_14_ref.html">
<style>
html, body {
margin: 0;
}
</style>
<canvas id="dest" height="100" width="100"></canvas>
<script>
var sourceWidth = 256;
var sourceHeight = 512;
var smoothingEnabled = false;
var destCanvas = document.getElementById('dest');
var sourceImg = document.createElement('img');
sourceImg.src = '../2x4.png'
sourceImg.width = sourceWidth;
sourceImg.height = sourceHeight;
sourceImg.onload = function() {
var destCtx = destCanvas.getContext('2d');
destCtx.fillStyle = "#FF0000";
destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
destCtx.imageSmoothingEnabled = smoothingEnabled;
destCtx.drawImage(sourceImg, 64, 64, 192, 448, 0, 0, 30, 70);
document.documentElement.classList.remove('reftest-wait');
}
</script>

25
tests/wpt/web-platform-tests/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_14_ref.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<style>
html, body {
margin: 0;
}
#destination {
width: 100px;
height: 100px;
background-color: red;
background-image: url("../2x4.png");
background-position: -10px -10px;
background-size: 40px 80px;
background-repeat: no-repeat;
}
</style>
<body>
<div id="destination"></div>
</body>
</html>

33
tests/wpt/web-platform-tests/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_15.html Normal file
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<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Canvas test: 2d.drawImage.crop.4x2</title>
<link rel="match" href="drawimage_html_image_15_ref.html">
<style>
html, body {
margin: 0;
}
</style>
<canvas id="dest" height="100" width="100"></canvas>
<script>
var sourceWidth = 512;
var sourceHeight = 256;
var smoothingEnabled = false;
var destCanvas = document.getElementById('dest');
var sourceImg = document.createElement('img');
sourceImg.src = '../4x2.png'
sourceImg.width = sourceWidth;
sourceImg.height = sourceHeight;
sourceImg.onload = function() {
var destCtx = destCanvas.getContext('2d');
destCtx.fillStyle = "#FF0000";
destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
destCtx.imageSmoothingEnabled = smoothingEnabled;
destCtx.drawImage(sourceImg, 64, 64, 448, 192, 0, 0, 70, 30);
document.documentElement.classList.remove('reftest-wait');
}
</script>

25
tests/wpt/web-platform-tests/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_15_ref.html Normal file
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@ -0,0 +1,25 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<style>
html, body {
margin: 0;
}
#destination {
width: 100px;
height: 100px;
background-color: red;
background-image: url("../4x2.png");
background-position: -10px -10px;
background-size: 80px 40px;
background-repeat: no-repeat;
}
</style>
<body>
<div id="destination"></div>
</body>
</html>