3 changed files with 125 additions and 123 deletions
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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- / |
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/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */ |
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body { |
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margin: 6px; |
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padding: 0px; |
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background-color: #c0bdb7; |
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} |
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#controls { |
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position:fixed; |
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left: 0px; |
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top: 0px; |
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width: 100%; |
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padding: 7px; |
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border-bottom: 1px solid black; |
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background-color: rgb(242, 240, 238); |
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} |
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span#info { |
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float: right; |
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font: 14px sans-serif; |
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margin-right: 10px; |
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} |
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#viewer { |
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margin: auto; |
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border: 1px solid black; |
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width: 8.5in; |
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height: 11in; |
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} |
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#pageNumber { |
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text-align: right; |
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} |
@ -0,0 +1,66 @@
@@ -0,0 +1,66 @@
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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- / |
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/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */ |
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var pdfDocument, canvas, pageDisplay, pageNum; |
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function load() { |
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canvas = document.getElementById("canvas"); |
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canvas.mozOpaque = true; |
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open("uncompressed.tracemonkey-pldi-09.pdf"); |
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} |
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function open(url) { |
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document.title = url; |
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req = new XMLHttpRequest(); |
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req.open("GET", url); |
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req.mozResponseType = req.responseType = "arraybuffer"; |
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req.expected = (document.URL.indexOf("file:") == 0) ? 0 : 200; |
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req.onreadystatechange = function() { |
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if (req.readyState == 4 && req.status == req.expected) { |
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var data = req.mozResponseArrayBuffer || req.mozResponse || |
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req.responseArrayBuffer || req.response; |
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pdfDocument = new PDFDoc(new Stream(data)); |
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displayPage(1); |
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} |
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}; |
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req.send(null); |
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} |
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function displayPage(num) { |
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document.getElementById("pageNumber").value = num; |
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var t0 = Date.now(); |
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var page = pdfDocument.getPage(pageNum = num); |
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var t1 = Date.now(); |
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var ctx = canvas.getContext("2d"); |
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ctx.save(); |
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ctx.fillStyle = "rgb(255, 255, 255)"; |
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ctx.fillRect(0, 0, canvas.width, canvas.height); |
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ctx.restore(); |
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var gfx = new CanvasGraphics(ctx); |
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page.display(gfx); |
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var t2 = Date.now(); |
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var infoDisplay = document.getElementById("info"); |
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infoDisplay.innerHTML = "Time to render: "+ (t1 - t0) + "/" + (t2 - t1) + " ms"; |
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} |
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|
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function nextPage() { |
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if (pageNum < pdfDocument.numPages) |
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displayPage(++pageNum); |
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} |
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|
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function prevPage() { |
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if (pageNum > 1) |
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displayPage(--pageNum); |
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} |
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|
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function gotoPage(num) { |
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if (0 <= num && num <= numPages) |
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displayPage(pageNum = num); |
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} |
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