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Bug 386651 - Need regression tests for image decoding. rs=stuart. [This is part 1 -- framework and initial tests. More to come.]

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dolske@mozilla.com 2007-11-13 17:44:53 -08:00
parent 8ea12699c3
commit f69264fe57
12 changed files with 4523 additions and 0 deletions
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3
layout/reftests/reftest.list
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# verify the tests work # verify the tests work
include reftest-sanity/reftest.list include reftest-sanity/reftest.list
#images
include ../../modules/libpr0n/test/reftest/reftest.list
# printing # printing
include printing/reftest.list include printing/reftest.list
include pagination/reftest.list include pagination/reftest.list

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<html>
<head>
<title>Image-to-html converter</title>
<style>
#img, #canvas, #span {
display: none;
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAL0lEQVQ4jWP09vZ+xoAHuLi44JNmYMIrSwQYNWAwGMBCKJ737NlDWxeMGjAYDAAAak4FtfgpsBoAAAAASUVORK5CYII=);
}
</style>
</head>
<body>
<h2>Image-to-html converter</h2>
<p>Enter the relative path to an image file, and this will convert it
to a pure HTML representation (no images).</p>
<form onsubmit="start_convert(); return false;">
Path to image: <input type="text" id="filepath" size="60"><br>
<button type='submit'>Convert!</button>
<br><br>
<img id="img" onload="run_convert();"><canvas id="canvas"></canvas><span id="span"></span><br>
(img / canvas/ imghtml)
<br><br>
Result:<br>
<textarea id="textarea" rows="10" cols="80"></textarea>
</form>
<script>
var img = document.getElementById("img");
var canvas = document.getElementById("canvas");
var span = document.getElementById("span");
var textarea = document.getElementById("textarea");
function start_convert() {
try {
// Unhide stuff. They're initially hidden because the image shows a
// broken-image icon on first page load, and the canvas defaults to a
// large empty area.
img.style.display = "inline";
canvas.style.display = "inline";
span.style.display = "inline-block";
// Clear out any previous values.
textarea.value = "(loading image)"
span.innerHTML = "";
// Get the image filename
var input = document.getElementById("filepath");
img.src = input.value;
// We're done, let the onload handler do the real work.
} catch (e) {
alert("Crap, start_convert failed: " + e);
}
}
function run_convert() {
try {
textarea.value = "(rendering canvas)";
canvas.width = img.width;
canvas.height = img.height;
var ctx = canvas.getContext("2d");
ctx.clearRect(0, 0, img.width, img.height);
ctx.drawImage(img, 0, 0);
// [r, g, b, a, r, g, b, a, ...]
var pixels = ctx.getImageData(0, 0, img.width, img.height).data;
var imghtml = "<table cellpadding='0' cellspacing='0' width='" +
img.width + "' height='" + img.height + "'>\n";
for (var y = 0; y < img.height; y++) {
imghtml += "<tr height='1'>\n";
textarea.value = "(converting row " + y + ")";
for (var x = 0; x < img.width; x++) {
var p = img.width * y * 4 + x * 4;
var r = pixels[p + 0];
var g = pixels[p + 1];
var b = pixels[p + 2];
var a = pixels[p + 3];
var alpha = (a / 255).toString();
alpha = alpha.substring(0, 6); // "0.12345678 --> 0.1234"
imghtml += " <td width='1' style='background-color: " +
"rgba(" +
r + "," +
g + "," +
b + "," +
alpha +
")'></td>\n";
}
imghtml += "</tr>\n";
}
imghtml += "</table>\n";
span.innerHTML = imghtml;
textarea.value = "<html><body>\n" + imghtml + "</body></html>";
} catch (e) {
alert("Crap, run_convert failed: " + e);
}
}
</script>
</body>
</html>

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# If you mark a test as failing or random, you MUST file a bug report in
# bugzilla and note the bug number as a comment on the line with the
# failing test.
#
# For example:
# ...
# fails == foo bar # bug 12345
#
# See /mozilla/layout/tools/reftest/README.txt for more information.
# z00n2c08 - color, no interlacing, compression level 0 (none)
== z00n2c08.png z00n2c08.html
# z03n2c08 - color, no interlacing, compression level 3
== z03n2c08.png z03n2c08.html
# z06n2c08 - color, no interlacing, compression level 6 (default)
== z06n2c08.png z06n2c08.html
# z09n2c08 - color, no interlacing, compression level 9 (maximum)
== z09n2c08.png z09n2c08.html

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#
# "PngSuite, the official set of PNG test images"
# Images by Willem van Schaik
#
# http://www.schaik.com/pngsuite/pngsuite.html
# http://www.libpng.org/pub/png/pngsuite.html
#
#include pngsuite-basic-n/reftest.list
#include pngsuite-basic-i/reftest.list
#include pngsuite-ancillary/reftest.list
#include pngsuite-background/reftest.list
#include pngsuite-chunkorder/reftest.list
#include pngsuite-corrupted/reftest.list
#include pngsuite-filtering/reftest.list
#include pngsuite-gamma/reftest.list
#include pngsuite-oddsizes/reftest.list
#include pngsuite-palettes/reftest.list
#include pngsuite-transparency/reftest.list
include pngsuite-zlib/reftest.list