Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improve the space detection for the getTextContent function

Browse Source
This commit is contained in:
Julian Viereck 2012-09-14 10:53:06 -07:00
parent ee0c2e2ab7
commit 7432e596a1
1 changed files with 10 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/evaluator.js
View File

@ -533,36 +533,29 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
switch (cmd) {
// TODO: Add support for SAVE/RESTORE and XFORM here.
case 'Tf':
font = handleSetFont(args[0].name).translated;
font = handleSetFont(args[0].name);
break;
case 'TJ':
var items = args[0];
for (var j = 0, jj = items.length; j < jj; j++) {
if (typeof items[j] === 'string') {
chunk += fontCharsToUnicode(items[j], font);
} else if (items[j] < 0) {
// making all negative offsets a space - better to have
// a space in incorrect place than not have them at all
chunk += ' ';
// This is a better way to detect spacing in the future.
// However, for now let's keep it simple (also, font.spacedWidth)
// is not available.
// } else if (items[j] < 0 && font.spacedWidth > 0) {
// var numFakeSpaces = Math.round(-e / font.spacedWidth);
// if (numFakeSpaces > 0) {
// chunk += ' ';
// }
chunk += fontCharsToUnicode(items[j], font.translated);
} else if (items[j] < 0 && font.spacedWidth > 0) {
var numFakeSpaces = Math.round(-e / font.spacedWidth);
if (numFakeSpaces > 0) {
chunk += ' ';
}
}
}
break;
case 'Tj':
chunk += fontCharsToUnicode(args[0], font);
chunk += fontCharsToUnicode(args[0], font.translated);
break;
case "'":
chunk += fontCharsToUnicode(args[0], font) + ' ';
chunk += fontCharsToUnicode(args[0], font.translated) + ' ';
break;
case '"':
chunk += fontCharsToUnicode(args[2], font) + ' ';
chunk += fontCharsToUnicode(args[2], font.translated) + ' ';
break;
case 'Do':
// Set the chunk such that the following if won't add something