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Diffstat (limited to 'layout/tools/reftest/reftest-analyzer-structured.xhtml')
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diff --git a/layout/tools/reftest/reftest-analyzer-structured.xhtml b/layout/tools/reftest/reftest-analyzer-structured.xhtml new file mode 100644 index 000000000..b06bd8169 --- /dev/null +++ b/layout/tools/reftest/reftest-analyzer-structured.xhtml @@ -0,0 +1,649 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- -*- Mode: HTML; tab-width: 2; indent-tabs-mode: nil; -*- --> +<!-- vim: set shiftwidth=2 tabstop=2 autoindent expandtab: --> +<!-- This Source Code Form is subject to the terms of the Mozilla Public + - License, v. 2.0. If a copy of the MPL was not distributed with this + - file, You can obtain one at http://mozilla.org/MPL/2.0/. --> +<!-- + +Features to add: +* make the left and right parts of the viewer independently scrollable +* make the test list filterable +** default to only showing unexpecteds +* add other ways to highlight differences other than circling? +* add zoom/pan to images +* Add ability to load log via XMLHttpRequest (also triggered via URL param) +* color the test list based on pass/fail and expected/unexpected/random/skip +* ability to load multiple logs ? +** rename them by clicking on the name and editing +** turn the test list into a collapsing tree view +** move log loading into popup from viewer UI + +--> +<!DOCTYPE html> +<html lang="en-US" xml:lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> +<head> + <title>Reftest analyzer</title> + <style type="text/css"><![CDATA[ + + html, body { margin: 0; } + html { padding: 0; } + body { padding: 4px; } + + #pixelarea, #itemlist, #images { position: absolute; } + #itemlist, #images { overflow: auto; } + #pixelarea { top: 0; left: 0; width: 320px; height: 84px; overflow: visible } + #itemlist { top: 84px; left: 0; width: 320px; bottom: 0; } + #images { top: 0; bottom: 0; left: 320px; right: 0; } + + #leftpane { width: 320px; } + #images { position: fixed; top: 10px; left: 340px; } + + form#imgcontrols { margin: 0; display: block; } + + #itemlist > table { border-collapse: collapse; } + #itemlist > table > tbody > tr > td { border: 1px solid; padding: 1px; } + #itemlist td.activeitem { background-color: yellow; } + + /* + #itemlist > table > tbody > tr.pass > td.url { background: lime; } + #itemlist > table > tbody > tr.fail > td.url { background: red; } + */ + + #magnification > svg { display: block; width: 84px; height: 84px; } + + #pixelinfo { font: small sans-serif; position: absolute; width: 200px; left: 84px; } + #pixelinfo table { border-collapse: collapse; } + #pixelinfo table th { white-space: nowrap; text-align: left; padding: 0; } + #pixelinfo table td { font-family: monospace; padding: 0 0 0 0.25em; } + + #pixelhint { display: inline; color: #88f; cursor: help; } + #pixelhint > * { display: none; position: absolute; margin: 8px 0 0 8px; padding: 4px; width: 400px; background: #ffa; color: black; box-shadow: 3px 3px 2px #888; z-index: 1; } + #pixelhint:hover { color: #000; } + #pixelhint:hover > * { display: block; } + #pixelhint p { margin: 0; } + #pixelhint p + p { margin-top: 1em; } + + ]]></style> + <script type="text/javascript"><![CDATA[ + +var XLINK_NS = "http://www.w3.org/1999/xlink"; +var SVG_NS = "http://www.w3.org/2000/svg"; +var IMAGE_NOT_AVAILABLE = "data:image/png;base64,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"; + +var gPhases = null; + +var gIDCache = {}; + +var gMagPixPaths = []; // 2D array of array-of-two <path> objects used in the pixel magnifier +var gMagWidth = 5; // number of zoomed in pixels to show horizontally +var gMagHeight = 5; // number of zoomed in pixels to show vertically +var gMagZoom = 16; // size of the zoomed in pixels +var gImage1Data; // ImageData object for the reference image +var gImage2Data; // ImageData object for the test output image +var gFlashingPixels = []; // array of <path> objects that should be flashed due to pixel color mismatch +var gParams; + +function ID(id) { + if (!(id in gIDCache)) + gIDCache[id] = document.getElementById(id); + return gIDCache[id]; +} + +function hash_parameters() { + var result = { }; + var params = window.location.hash.substr(1).split(/[&;]/); + for (var i = 0; i < params.length; i++) { + var parts = params[i].split("="); + result[parts[0]] = unescape(unescape(parts[1])); + } + return result; +} + +function load() { + gPhases = [ ID("entry"), ID("loading"), ID("viewer") ]; + build_mag(); + gParams = hash_parameters(); + if (gParams.log) { + show_phase("loading"); + process_log(gParams.log); + } else if (gParams.logurl) { + show_phase("loading"); + var req = new XMLHttpRequest(); + req.onreadystatechange = function() { + if (req.readyState === 4) { + process_log(req.responseText); + } + }; + req.open('GET', gParams.logurl, true); + req.send(); + } + window.addEventListener('keypress', handle_keyboard_shortcut, false); + ID("image1").addEventListener('error', image_load_error, false); + ID("image2").addEventListener('error', image_load_error, false); +} + +function image_load_error(e) { + e.target.setAttributeNS(XLINK_NS, "xlink:href", IMAGE_NOT_AVAILABLE); +} + +function build_mag() { + var mag = ID("mag"); + + var r = document.createElementNS(SVG_NS, "rect"); + r.setAttribute("x", gMagZoom * -gMagWidth / 2); + r.setAttribute("y", gMagZoom * -gMagHeight / 2); + r.setAttribute("width", gMagZoom * gMagWidth); + r.setAttribute("height", gMagZoom * gMagHeight); + mag.appendChild(r); + + mag.setAttribute("transform", "translate(" + (gMagZoom * (gMagWidth / 2) + 1) + "," + (gMagZoom * (gMagHeight / 2) + 1) + ")"); + + for (var x = 0; x < gMagWidth; x++) { + gMagPixPaths[x] = []; + for (var y = 0; y < gMagHeight; y++) { + var p1 = document.createElementNS(SVG_NS, "path"); + p1.setAttribute("d", "M" + ((x - gMagWidth / 2) + 1) * gMagZoom + "," + (y - gMagHeight / 2) * gMagZoom + "h" + -gMagZoom + "v" + gMagZoom); + p1.setAttribute("stroke", "black"); + p1.setAttribute("stroke-width", "1px"); + p1.setAttribute("fill", "#aaa"); + + var p2 = document.createElementNS(SVG_NS, "path"); + p2.setAttribute("d", "M" + ((x - gMagWidth / 2) + 1) * gMagZoom + "," + (y - gMagHeight / 2) * gMagZoom + "v" + gMagZoom + "h" + -gMagZoom); + p2.setAttribute("stroke", "black"); + p2.setAttribute("stroke-width", "1px"); + p2.setAttribute("fill", "#888"); + + mag.appendChild(p1); + mag.appendChild(p2); + gMagPixPaths[x][y] = [p1, p2]; + } + } + + var flashedOn = false; + setInterval(function() { + flashedOn = !flashedOn; + flash_pixels(flashedOn); + }, 500); +} + +function show_phase(phaseid) { + for (var i in gPhases) { + var phase = gPhases[i]; + phase.style.display = (phase.id == phaseid) ? "" : "none"; + } + + if (phase == "viewer") + ID("images").style.display = "none"; +} + +function fileentry_changed() { + show_phase("loading"); + var input = ID("fileentry"); + var files = input.files; + if (files.length > 0) { + // Only handle the first file; don't handle multiple selection. + // The parts of the log we care about are ASCII-only. Since we + // can ignore lines we don't care about, best to read in as + // iso-8859-1, which guarantees we don't get decoding errors. + var fileReader = new FileReader(); + fileReader.onload = function(e) { + var log = null; + + log = e.target.result; + + if (log) + process_log(log); + else + show_phase("entry"); + } + fileReader.readAsText(files[0], "iso-8859-1"); + } + // So the user can process the same filename again (after + // overwriting the log), clear the value on the form input so we + // will always get an onchange event. + input.value = ""; +} + +function log_pasted() { + show_phase("loading"); + var entry = ID("logentry"); + var log = entry.value; + entry.value = ""; + process_log(log); +} + +var gTestItems; + +function process_log(contents) { + var lines = contents.split(/[\r\n]+/); + gTestItems = []; + for (var j in lines) { + var line = lines[j]; + try { + var data = JSON.parse(line); + } catch(e) { + continue; + } + // Ignore duplicated output in logcat. + if (!data.action == "test_end" && data.status != "FAIL") + continue; + + if (!data.hasOwnProperty("extra") || + !data.extra.hasOwnProperty("reftest_screenshots")) { + continue; + } + + var url = data.test; + var screenshots = data.extra.reftest_screenshots; + gTestItems.push( + { + pass: data.status === "PASS", + // only one of the following three should ever be true + unexpected: data.hasOwnProperty("expected"), + random: false, + skip: data.status == "SKIP", + url: url, + images: [], + imageLabels: [] + }); + + var item = gTestItems[gTestItems.length - 1]; + item.images.push("data:image/png;base64," + screenshots[0].screenshot); + item.imageLabels.push(screenshots[0].url); + if (screenshots.length > 1) { + item.images.push("data:image/png;base64," + screenshots[2].screenshot); + item.imageLabels.push(screenshots[2].url); + } + } + build_viewer(); +} + +function build_viewer() { + if (gTestItems.length == 0) { + show_phase("entry"); + return; + } + + var cell = ID("itemlist"); + while (cell.childNodes.length > 0) + cell.removeChild(cell.childNodes[cell.childNodes.length - 1]); + + var table = document.createElement("table"); + var tbody = document.createElement("tbody"); + table.appendChild(tbody); + + for (var i in gTestItems) { + var item = gTestItems[i]; + + // optional url filter for only showing unexpected results + if (parseInt(gParams.only_show_unexpected) && !item.unexpected) + continue; + + // XXX regardless skip expected pass items until we have filtering UI + if (item.pass && !item.unexpected) + continue; + + var tr = document.createElement("tr"); + var rowclass = item.pass ? "pass" : "fail"; + var td; + var text; + + td = document.createElement("td"); + text = ""; + if (item.unexpected) { text += "!"; rowclass += " unexpected"; } + if (item.random) { text += "R"; rowclass += " random"; } + if (item.skip) { text += "S"; rowclass += " skip"; } + td.appendChild(document.createTextNode(text)); + tr.appendChild(td); + + td = document.createElement("td"); + td.id = "item" + i; + td.className = "url"; + // Only display part of URL after "/mozilla/". + var match = item.url.match(/\/mozilla\/(.*)/); + text = document.createTextNode(match ? match[1] : item.url); + if (item.images.length > 0) { + var a = document.createElement("a"); + a.href = "javascript:show_images(" + i + ")"; + a.appendChild(text); + td.appendChild(a); + } else { + td.appendChild(text); + } + tr.appendChild(td); + + tbody.appendChild(tr); + } + + cell.appendChild(table); + + show_phase("viewer"); +} + +function get_image_data(src, whenReady) { + var img = new Image(); + img.onload = function() { + var canvas = document.createElement("canvas"); + canvas.width = img.naturalWidth; + canvas.height = img.naturalHeight; + + var ctx = canvas.getContext("2d"); + ctx.drawImage(img, 0, 0); + + whenReady(ctx.getImageData(0, 0, img.naturalWidth, img.naturalHeight)); + }; + img.src = src; +} + +function sync_svg_size(imageData) { + // We need the size of the 'svg' and its 'image' elements to match the size + // of the ImageData objects that we're going to read pixels from or else our + // magnify() function will be very broken. + ID("svg").setAttribute("width", imageData.width); + ID("svg").setAttribute("height", imageData.height); +} + +function show_images(i) { + var item = gTestItems[i]; + var cell = ID("images"); + + // Remove activeitem class from any existing elements + var activeItems = document.querySelectorAll(".activeitem"); + for (var activeItemIdx = activeItems.length; activeItemIdx-- != 0;) { + activeItems[activeItemIdx].classList.remove("activeitem"); + } + + ID("item" + i).classList.add("activeitem"); + ID("image1").style.display = ""; + ID("image2").style.display = "none"; + ID("diffrect").style.display = "none"; + ID("imgcontrols").reset(); + + ID("image1").setAttributeNS(XLINK_NS, "xlink:href", item.images[0]); + // Making the href be #image1 doesn't seem to work + ID("feimage1").setAttributeNS(XLINK_NS, "xlink:href", item.images[0]); + if (item.images.length == 1) { + ID("imgcontrols").style.display = "none"; + } else { + ID("imgcontrols").style.display = ""; + + ID("image2").setAttributeNS(XLINK_NS, "xlink:href", item.images[1]); + // Making the href be #image2 doesn't seem to work + ID("feimage2").setAttributeNS(XLINK_NS, "xlink:href", item.images[1]); + + ID("label1").textContent = 'Image ' + item.imageLabels[0]; + ID("label2").textContent = 'Image ' + item.imageLabels[1]; + } + + cell.style.display = ""; + + get_image_data(item.images[0], function(data) { gImage1Data = data; sync_svg_size(gImage1Data); }); + get_image_data(item.images[1], function(data) { gImage2Data = data }); +} + +function show_image(i) { + if (i == 1) { + ID("image1").style.display = ""; + ID("image2").style.display = "none"; + } else { + ID("image1").style.display = "none"; + ID("image2").style.display = ""; + } +} + +function handle_keyboard_shortcut(event) { + switch (event.charCode) { + case 49: // "1" key + document.getElementById("radio1").checked = true; + show_image(1); + break; + case 50: // "2" key + document.getElementById("radio2").checked = true; + show_image(2); + break; + case 100: // "d" key + document.getElementById("differences").click(); + break; + case 112: // "p" key + shift_images(-1); + break; + case 110: // "n" key + shift_images(1); + break; + } +} + +function shift_images(dir) { + var activeItem = document.querySelector(".activeitem"); + if (!activeItem) { + return; + } + for (var elm = activeItem; elm; elm = elm.parentElement) { + if (elm.tagName != "tr") { + continue; + } + elm = dir > 0 ? elm.nextElementSibling : elm.previousElementSibling; + if (elm) { + elm.getElementsByTagName("a")[0].click(); + } + return; + } +} + +function show_differences(cb) { + ID("diffrect").style.display = cb.checked ? "" : "none"; +} + +function flash_pixels(on) { + var stroke = on ? "red" : "black"; + var strokeWidth = on ? "2px" : "1px"; + for (var i = 0; i < gFlashingPixels.length; i++) { + gFlashingPixels[i].setAttribute("stroke", stroke); + gFlashingPixels[i].setAttribute("stroke-width", strokeWidth); + } +} + +function cursor_point(evt) { + var m = evt.target.getScreenCTM().inverse(); + var p = ID("svg").createSVGPoint(); + p.x = evt.clientX; + p.y = evt.clientY; + p = p.matrixTransform(m); + return { x: Math.floor(p.x), y: Math.floor(p.y) }; +} + +function hex2(i) { + return (i < 16 ? "0" : "") + i.toString(16); +} + +function canvas_pixel_as_hex(data, x, y) { + var offset = (y * data.width + x) * 4; + var r = data.data[offset]; + var g = data.data[offset + 1]; + var b = data.data[offset + 2]; + return "#" + hex2(r) + hex2(g) + hex2(b); +} + +function hex_as_rgb(hex) { + return "rgb(" + [parseInt(hex.substring(1, 3), 16), parseInt(hex.substring(3, 5), 16), parseInt(hex.substring(5, 7), 16)] + ")"; +} + +function magnify(evt) { + var { x: x, y: y } = cursor_point(evt); + var centerPixelColor1, centerPixelColor2; + + var dx_lo = -Math.floor(gMagWidth / 2); + var dx_hi = Math.floor(gMagWidth / 2); + var dy_lo = -Math.floor(gMagHeight / 2); + var dy_hi = Math.floor(gMagHeight / 2); + + flash_pixels(false); + gFlashingPixels = []; + for (var j = dy_lo; j <= dy_hi; j++) { + for (var i = dx_lo; i <= dx_hi; i++) { + var px = x + i; + var py = y + j; + var p1 = gMagPixPaths[i + dx_hi][j + dy_hi][0]; + var p2 = gMagPixPaths[i + dx_hi][j + dy_hi][1]; + // Here we just use the dimensions of gImage1Data since we expect test + // and reference to have the same dimensions. + if (px < 0 || py < 0 || px >= gImage1Data.width || py >= gImage1Data.height) { + p1.setAttribute("fill", "#aaa"); + p2.setAttribute("fill", "#888"); + } else { + var color1 = canvas_pixel_as_hex(gImage1Data, x + i, y + j); + var color2 = canvas_pixel_as_hex(gImage2Data, x + i, y + j); + p1.setAttribute("fill", color1); + p2.setAttribute("fill", color2); + if (color1 != color2) { + gFlashingPixels.push(p1, p2); + p1.parentNode.appendChild(p1); + p2.parentNode.appendChild(p2); + } + if (i == 0 && j == 0) { + centerPixelColor1 = color1; + centerPixelColor2 = color2; + } + } + } + } + flash_pixels(true); + show_pixelinfo(x, y, centerPixelColor1, hex_as_rgb(centerPixelColor1), centerPixelColor2, hex_as_rgb(centerPixelColor2)); +} + +function show_pixelinfo(x, y, pix1rgb, pix1hex, pix2rgb, pix2hex) { + var pixelinfo = ID("pixelinfo"); + ID("coords").textContent = [x, y]; + ID("pix1hex").textContent = pix1hex; + ID("pix1rgb").textContent = pix1rgb; + ID("pix2hex").textContent = pix2hex; + ID("pix2rgb").textContent = pix2rgb; +} + + ]]></script> + +</head> +<body onload="load()"> + +<div id="entry"> + +<h1>Reftest analyzer: load raw structured log</h1> + +<p>Either paste your log into this textarea:<br /> +<textarea cols="80" rows="10" id="logentry"/><br/> +<input type="button" value="Process pasted log" onclick="log_pasted()" /></p> + +<p>... or load it from a file:<br/> +<input type="file" id="fileentry" onchange="fileentry_changed()" /> +</p> +</div> + +<div id="loading" style="display:none">Loading log...</div> + +<div id="viewer" style="display:none"> + <div id="pixelarea"> + <div id="pixelinfo"> + <table> + <tbody> + <tr><th>Pixel at:</th><td colspan="2" id="coords"/></tr> + <tr><th>Image 1:</th><td id="pix1rgb"></td><td id="pix1hex"></td></tr> + <tr><th>Image 2:</th><td id="pix2rgb"></td><td id="pix2hex"></td></tr> + </tbody> + </table> + <div> + <div id="pixelhint">★ + <div> + <p>Move the mouse over the reftest image on the right to show + magnified pixels on the left. The color information above is for + the pixel centered in the magnified view.</p> + <p>Image 1 is shown in the upper triangle of each pixel and Image 2 + is shown in the lower triangle.</p> + </div> + </div> + </div> + </div> + <div id="magnification"> + <svg xmlns="http://www.w3.org/2000/svg" width="84" height="84" shape-rendering="optimizeSpeed"> + <g id="mag"/> + </svg> + </div> + </div> + <div id="itemlist"></div> + <div id="images" style="display:none"> + <form id="imgcontrols"> + <input id="radio1" type="radio" name="which" value="0" onchange="show_image(1)" checked="checked" /><label id="label1" title="1" for="radio1">Image 1</label> + <input id="radio2" type="radio" name="which" value="1" onchange="show_image(2)" /><label id="label2" title="2" for="radio2">Image 2</label> + <label><input id="differences" type="checkbox" onchange="show_differences(this)" />Circle differences</label> + </form> + <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="800" height="1000" id="svg"> + <defs> + <!-- use sRGB to avoid loss of data --> + <filter id="showDifferences" x="0%" y="0%" width="100%" height="100%" + style="color-interpolation-filters: sRGB"> + <feImage id="feimage1" result="img1" xlink:href="#image1" /> + <feImage id="feimage2" result="img2" xlink:href="#image2" /> + <!-- inv1 and inv2 are the images with RGB inverted --> + <feComponentTransfer result="inv1" in="img1"> + <feFuncR type="linear" slope="-1" intercept="1" /> + <feFuncG type="linear" slope="-1" intercept="1" /> + <feFuncB type="linear" slope="-1" intercept="1" /> + </feComponentTransfer> + <feComponentTransfer result="inv2" in="img2"> + <feFuncR type="linear" slope="-1" intercept="1" /> + <feFuncG type="linear" slope="-1" intercept="1" /> + <feFuncB type="linear" slope="-1" intercept="1" /> + </feComponentTransfer> + <!-- w1 will have non-white pixels anywhere that img2 + is brighter than img1, and w2 for the reverse. + It would be nice not to have to go through these + intermediate states, but feComposite + type="arithmetic" can't transform the RGB channels + and leave the alpha channel untouched. --> + <feComposite result="w1" in="img1" in2="inv2" operator="arithmetic" k2="1" k3="1" /> + <feComposite result="w2" in="img2" in2="inv1" operator="arithmetic" k2="1" k3="1" /> + <!-- c1 will have non-black pixels anywhere that img2 + is brighter than img1, and c2 for the reverse --> + <feComponentTransfer result="c1" in="w1"> + <feFuncR type="linear" slope="-1" intercept="1" /> + <feFuncG type="linear" slope="-1" intercept="1" /> + <feFuncB type="linear" slope="-1" intercept="1" /> + </feComponentTransfer> + <feComponentTransfer result="c2" in="w2"> + <feFuncR type="linear" slope="-1" intercept="1" /> + <feFuncG type="linear" slope="-1" intercept="1" /> + <feFuncB type="linear" slope="-1" intercept="1" /> + </feComponentTransfer> + <!-- c will be nonblack (and fully on) for every pixel+component where there are differences --> + <feComposite result="c" in="c1" in2="c2" operator="arithmetic" k2="255" k3="255" /> + <!-- a will be opaque for every pixel with differences and transparent for all others --> + <feColorMatrix result="a" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0" /> + + <!-- a, dilated by 1 pixel --> + <feMorphology result="dila1" in="a" operator="dilate" radius="1" /> + <!-- a, dilated by 2 pixels --> + <feMorphology result="dila2" in="dila1" operator="dilate" radius="1" /> + + <!-- all the pixels in the 2-pixel dilation of a but not in the 1-pixel dilation, to highlight the diffs --> + <feComposite result="highlight" in="dila2" in2="dila1" operator="out" /> + + <feFlood result="red" flood-color="red" /> + <feComposite result="redhighlight" in="red" in2="highlight" operator="in" /> + <feFlood result="black" flood-color="black" flood-opacity="0.5" /> + <feMerge> + <feMergeNode in="black" /> + <feMergeNode in="redhighlight" /> + </feMerge> + </filter> + </defs> + <g onmousemove="magnify(evt)"> + <image x="0" y="0" width="100%" height="100%" id="image1" /> + <image x="0" y="0" width="100%" height="100%" id="image2" /> + </g> + <rect id="diffrect" filter="url(#showDifferences)" pointer-events="none" x="0" y="0" width="100%" height="100%" /> + </svg> + </div> +</div> + +</body> +</html> |