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Merge pull request #1218 from mozilla/bidi

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bidi characters algorithm; separation of the toFontChar and toUnicode
This commit is contained in:
Artur Adib 2012-02-23 07:00:48 -08:00
commit 676e575a52
11 changed files with 580 additions and 44 deletions
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1
web/viewer.html
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@ -29,6 +29,7 @@
<script type="text/javascript" src="../src/worker.js"></script> <!-- PDFJSSCRIPT_REMOVE_CORE -->
<script type="text/javascript" src="../external/jpgjs/jpg.js"></script> <!-- PDFJSSCRIPT_REMOVE_CORE -->
<script type="text/javascript" src="../src/jpx.js"></script> <!-- PDFJSSCRIPT_REMOVE_CORE -->
<script type="text/javascript" src="../src/bidi.js"></script> <!-- PDFJSSCRIPT_REMOVE_CORE -->
<script type="text/javascript">PDFJS.workerSrc = '../src/worker_loader.js';</script> <!-- PDFJSSCRIPT_REMOVE_CORE -->
<script type="text/javascript" src="debugger.js"></script>
<script type="text/javascript" src="viewer.js"></script>

12
web/viewer.js
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@ -1051,12 +1051,13 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv) {
textLayerDiv.appendChild(textDiv);
if (textDiv.dataset.textLength > 1) { // avoid div by zero
// Adjust div width (via letterSpacing) to match canvas text
// Adjust div width to match canvas text
// Due to the .offsetWidth calls, this is slow
// This needs to come after appending to the DOM
textDiv.style.letterSpacing =
((textDiv.dataset.canvasWidth - textDiv.offsetWidth) /
(textDiv.dataset.textLength - 1)) + 'px';
var textScale = textDiv.dataset.canvasWidth / textDiv.offsetWidth;
CustomStyle.setProp('transform' , textDiv,
'scale(' + textScale + ', 1)');
CustomStyle.setProp('transformOrigin' , textDiv, '0% 0%');
}
} // textLength > 0
}
@ -1096,7 +1097,8 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv) {
textDiv.style.fontSize = fontHeight + 'px';
textDiv.style.left = text.geom.x + 'px';
textDiv.style.top = (text.geom.y - fontHeight) + 'px';
textDiv.textContent = text.str;
textDiv.textContent = bidi(text, -1);
textDiv.dir = text.direction;
textDiv.dataset.textLength = text.length;
this.textDivs.push(textDiv);
};