Sakurai/pdf.js
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Ignore empty strings for text selection.

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They were causing double text selection.
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waddlesplash 2013-02-22 17:22:17 -05:00
parent 007a643279
commit 9ba08f2c3d
1 changed files with 7 additions and 0 deletions
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7
web/viewer.js
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@ -2529,6 +2529,9 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv, pageIdx) {
for (var i = 0, ii = textDivs.length; i < ii; i++) { for (var i = 0, ii = textDivs.length; i < ii; i++) {
var textDiv = textDivs[i]; var textDiv = textDivs[i];
if ('isWhitespace' in textDiv.dataset) {
continue;
}
textLayerFrag.appendChild(textDiv); textLayerFrag.appendChild(textDiv);
ctx.font = textDiv.style.fontSize + ' ' + textDiv.style.fontFamily; ctx.font = textDiv.style.fontSize + ' ' + textDiv.style.fontFamily;
@ -2601,6 +2604,10 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv, pageIdx) {
for (var i = 0; i < bidiTexts.length; i++) { for (var i = 0; i < bidiTexts.length; i++) {
var bidiText = bidiTexts[i]; var bidiText = bidiTexts[i];
var textDiv = textDivs[i]; var textDiv = textDivs[i];
if (!/\S/.test(bidiText.str)) {
textDiv.dataset.isWhitespace = true;
continue;
}
textDiv.textContent = bidiText.str; textDiv.textContent = bidiText.str;
textDiv.dir = bidiText.ltr ? 'ltr' : 'rtl'; textDiv.dir = bidiText.ltr ? 'ltr' : 'rtl';