Merge pull request #31 from justindarc/master
Replaced zoom control with standard HTML <select/> control
This commit is contained in:
andreasgal
commit
85e55b4111
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@ -27,7 +27,30 @@ span {
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.control > input {
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float: left;
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border: 1px solid #4d4d4d;
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height: 20px;
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padding: 0px;
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margin: 0px 2px 0px 0px;
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border-radius: 4px;
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-moz-border-radius: 4px;
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-webkit-border-radius: 4px;
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box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
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-moz-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
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-webkit-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
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}
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.control > select {
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float: left;
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border: 1px solid #4d4d4d;
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height: 22px;
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padding: 2px 0px 0px;
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margin: 0px 0px 1px;
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border-radius: 4px;
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-moz-border-radius: 4px;
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-webkit-border-radius: 4px;
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box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
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-moz-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
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-webkit-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
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}
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.control > span {
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@ -79,7 +102,7 @@ span {
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#previousPageButton {
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background: url('images/buttons.png') no-repeat 0px -23px;
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cursor: pointer;
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cursor: default;
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display: inline-block;
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float: left;
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margin: 0px;
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@ -97,7 +120,7 @@ span {
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#nextPageButton {
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background: url('images/buttons.png') no-repeat -28px -23px;
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cursor: pointer;
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cursor: default;
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display: inline-block;
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float: left;
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margin: 0px;
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@ -113,68 +136,7 @@ span {
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background: url('images/buttons.png') no-repeat -28px 0px;
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}
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#scaleComboBoxInput {
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background: url('images/combobox.png') no-repeat 0px -23px;
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display: inline-block;
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float: left;
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margin: 0px;
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width: 35px;
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height: 23px;
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}
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#scaleComboBoxInput input {
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background: none;
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border: 0px;
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margin: 3px 2px 0px;
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width: 31px;
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}
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#scaleComboBoxButton {
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background: url('images/combobox.png') no-repeat -41px -23px;
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cursor: pointer;
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display: inline-block;
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float: left;
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margin: 0px;
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width: 21px;
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height: 23px;
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}
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#scaleComboBoxButton.down {
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background: url('images/combobox.png') no-repeat -41px -46px;
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}
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#scaleComboBoxButton.disabled {
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background: url('images/combobox.png') no-repeat -41px 0px;
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}
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#scaleComboBoxList {
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background-color: #fff;
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border: 1px solid #666;
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clear: both;
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position: relative;
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display: none;
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top: -20px;
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width: 48px;
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}
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#scaleComboBoxList > ul {
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list-style: none;
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padding: 0px;
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margin: 0px;
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}
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#scaleComboBoxList > ul > li {
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display: inline-block;
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cursor: pointer;
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width: 100%;
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}
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#scaleComboBoxList > ul > li:hover {
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background-color: #09f;
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color: #fff;
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}
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#pageNumber, #scale {
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#pageNumber {
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text-align: right;
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}
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@ -2,7 +2,8 @@
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<html>
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<head>
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<title>pdf.js Multi-Page Viewer</title>
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<link rel="stylesheet" href="multi-page-viewer.css" type="text/css" media="screen" charset="utf-8"/>
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<meta http-equiv="Content-type" content="text/html;charset=UTF-8"/>
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<link rel="stylesheet" href="multi-page-viewer.css" type="text/css" media="screen"/>
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<script type="text/javascript" src="pdf.js"></script>
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<script type="text/javascript" src="fonts.js"></script>
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<script type="text/javascript" src="glyphlist.js"></script>
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@ -11,7 +12,8 @@
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<body>
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<div id="controls">
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<span class="control">
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<span id="previousPageButton"></span><span id="nextPageButton"></span>
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<span id="previousPageButton" class="disabled"></span>
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<span id="nextPageButton" class="disabled"></span>
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<span class="label">Previous/Next</span>
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</span>
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<span class="control">
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@ -21,18 +23,15 @@
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<span class="label">Page Number</span>
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</span>
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<span class="control">
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<span id="scaleComboBoxInput"><input type="text" id="scale" value="100%" size="2"/></span><span id="scaleComboBoxButton"></span>
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<select id="scaleSelect">
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<option value="50">50%</option>
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<option value="75">75%</option>
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<option value="100" selected="selected">100%</option>
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<option value="125">125%</option>
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<option value="150">150%</option>
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<option value="200">200%</option>
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</select>
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<span class="label">Zoom</span>
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<div id="scaleComboBoxList">
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<ul>
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<li>50%</li>
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<li>75%</li>
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<li>100%</li>
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<li>125%</li>
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<li>150%</li>
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<li>200%</li>
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</ul>
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</div>
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</span>
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</div>
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<div id="viewer"></div>
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@ -11,7 +11,7 @@ var PDFViewer = {
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previousPageButton: null,
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nextPageButton: null,
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pageNumberInput: null,
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scaleInput: null,
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scaleSelect: null,
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willJumpToPage: false,
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@ -66,92 +66,103 @@ var PDFViewer = {
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removePage: function(num) {
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var div = document.getElementById('pageContainer' + num);
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if (div && div.hasChildNodes()) {
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while (div.childNodes.length > 0) {
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if (div) {
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while (div.hasChildNodes()) {
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div.removeChild(div.firstChild);
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}
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}
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},
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drawPage: function(num) {
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if (PDFViewer.pdf) {
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var page = PDFViewer.pdf.getPage(num);
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var div = document.getElementById('pageContainer' + num);
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if (div && !div.hasChildNodes()) {
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var canvas = document.createElement('canvas');
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canvas.id = 'page' + num;
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canvas.mozOpaque = true;
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// Canvas dimensions must be specified in CSS pixels. CSS pixels
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// are always 96 dpi. These dimensions are 8.5in x 11in at 96dpi.
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canvas.width = PDFViewer.pageWidth();
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canvas.height = PDFViewer.pageHeight();
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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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var fonts = [];
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if (!PDFViewer.pdf) {
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return;
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}
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// page.compile will collect all fonts for us, once we have loaded them
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// we can trigger the actual page rendering with page.display
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page.compile(gfx, fonts);
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var fontsReady = true;
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// Inspect fonts and translate the missing one
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var fontCount = fonts.length;
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for (var i = 0; i < fontCount; i++) {
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var font = fonts[i];
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if (Fonts[font.name]) {
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fontsReady = fontsReady && !Fonts[font.name].loading;
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continue;
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}
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var div = document.getElementById('pageContainer' + num);
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var canvas = document.createElement('canvas');
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if (div && !div.hasChildNodes()) {
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div.appendChild(canvas);
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var page = PDFViewer.pdf.getPage(num);
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new Font(font.name, font.file, font.properties);
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fontsReady = false;
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canvas.id = 'page' + num;
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canvas.mozOpaque = true;
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// Canvas dimensions must be specified in CSS pixels. CSS pixels
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// are always 96 dpi. These dimensions are 8.5in x 11in at 96dpi.
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canvas.width = PDFViewer.pageWidth();
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canvas.height = PDFViewer.pageHeight();
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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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var fonts = [];
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// page.compile will collect all fonts for us, once we have loaded them
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// we can trigger the actual page rendering with page.display
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page.compile(gfx, fonts);
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var areFontsReady = true;
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// Inspect fonts and translate the missing one
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var fontCount = fonts.length;
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for (var i = 0; i < fontCount; i++) {
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var font = fonts[i];
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if (Fonts[font.name]) {
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areFontsReady = areFontsReady && !Fonts[font.name].loading;
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continue;
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}
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var pageInterval;
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var delayLoadFont = function() {
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for (var i = 0; i < fontCount; i++) {
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if (Fonts[font.name].loading) {
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return;
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}
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}
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clearInterval(pageInterval);
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PDFViewer.drawPage(num);
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}
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if (!fontsReady) {
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pageInterval = setInterval(delayLoadFont, 10);
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return;
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}
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page.display(gfx);
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div.appendChild(canvas);
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new Font(font.name, font.file, font.properties);
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areFontsReady = false;
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}
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var pageInterval;
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var delayLoadFont = function() {
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for (var i = 0; i < fontCount; i++) {
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if (Fonts[font.name].loading) {
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return;
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}
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}
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clearInterval(pageInterval);
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while (div.hasChildNodes()) {
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div.removeChild(div.firstChild);
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}
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PDFViewer.drawPage(num);
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}
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if (!areFontsReady) {
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pageInterval = setInterval(delayLoadFont, 10);
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return;
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}
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page.display(gfx);
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}
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},
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changeScale: function(num) {
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while (PDFViewer.element.childNodes.length > 0) {
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while (PDFViewer.element.hasChildNodes()) {
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PDFViewer.element.removeChild(PDFViewer.element.firstChild);
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}
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PDFViewer.scale = num / 100;
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var i;
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if (PDFViewer.pdf) {
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for (var i = 1; i <= PDFViewer.numberOfPages; i++) {
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for (i = 1; i <= PDFViewer.numberOfPages; i++) {
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PDFViewer.createPage(i);
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}
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@ -160,7 +171,21 @@ var PDFViewer = {
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}
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}
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PDFViewer.scaleInput.value = Math.floor(PDFViewer.scale * 100) + '%';
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for (i = 0; i < PDFViewer.scaleSelect.childNodes; i++) {
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var option = PDFViewer.scaleSelect.childNodes[i];
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if (option.value == num) {
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if (!option.selected) {
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option.selected = 'selected';
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}
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} else {
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if (option.selected) {
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option.removeAttribute('selected');
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}
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}
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}
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PDFViewer.scaleSelect.value = Math.floor(PDFViewer.scale * 100) + '%';
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},
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goToPage: function(num) {
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@ -217,6 +242,11 @@ var PDFViewer = {
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if (PDFViewer.numberOfPages > 0) {
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PDFViewer.drawPage(1);
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}
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PDFViewer.previousPageButton.className = (PDFViewer.pageNumber === 1) ?
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'disabled' : '';
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PDFViewer.nextPageButton.className = (PDFViewer.pageNumber === PDFViewer.numberOfPages) ?
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'disabled' : '';
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}
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};
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@ -320,40 +350,14 @@ window.onload = function() {
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this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
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};
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PDFViewer.scaleInput = document.getElementById('scale');
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PDFViewer.scaleInput.buttonElement = document.getElementById('scaleComboBoxButton');
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PDFViewer.scaleInput.buttonElement.listElement = document.getElementById('scaleComboBoxList');
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PDFViewer.scaleInput.onchange = function(evt) {
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PDFViewer.scaleSelect = document.getElementById('scaleSelect');
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PDFViewer.scaleSelect.onchange = function(evt) {
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PDFViewer.changeScale(parseInt(this.value));
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};
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PDFViewer.scaleInput.buttonElement.onclick = function(evt) {
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this.listElement.style.display = (this.listElement.style.display === 'block') ? 'none' : 'block';
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};
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PDFViewer.scaleInput.buttonElement.onmousedown = function(evt) {
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if (this.className.indexOf('disabled') === -1) {
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this.className = 'down';
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}
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};
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PDFViewer.scaleInput.buttonElement.onmouseup = function(evt) {
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this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
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};
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PDFViewer.scaleInput.buttonElement.onmouseout = function(evt) {
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this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
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};
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var listItems = PDFViewer.scaleInput.buttonElement.listElement.getElementsByTagName('LI');
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for (var i = 0; i < listItems.length; i++) {
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var listItem = listItems[i];
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listItem.onclick = function(evt) {
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PDFViewer.changeScale(parseInt(this.innerHTML));
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PDFViewer.scaleInput.buttonElement.listElement.style.display = 'none';
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};
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}
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PDFViewer.pageNumber = parseInt(PDFViewer.queryParams.page) || PDFViewer.pageNumber;
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PDFViewer.scale = parseInt(PDFViewer.scaleInput.value) / 100 || 1.0;
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PDFViewer.scale = parseInt(PDFViewer.scaleSelect.value) / 100 || 1.0;
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PDFViewer.open(PDFViewer.queryParams.file || PDFViewer.url);
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window.onscroll = function(evt) {
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