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Takes ascent/descent in account in the text layer

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This commit is contained in:
Yury Delendik 2014-01-08 13:50:52 -06:00
parent 4d01ff4079
commit 0131101275
5 changed files with 19 additions and 8 deletions
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11
src/core/evaluator.js
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@ -919,10 +919,13 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
if (chunk !== '') {
var bidiText = PDFJS.bidi(chunk, -1, font.vertical);
var renderParams = textState.calcRenderParams();
bidiText.x = renderParams.renderMatrix[4] - (textState.fontSize *
renderParams.vScale * Math.sin(renderParams.angle));
bidiText.y = renderParams.renderMatrix[5] + (textState.fontSize *
renderParams.vScale * Math.cos(renderParams.angle));
var fontHeight = textState.fontSize * renderParams.vScale;
var fontAscent = font.ascent ? font.ascent * fontHeight :
font.descent ? (1 + font.descent) * fontHeight : fontHeight;
bidiText.x = renderParams.renderMatrix[4] - (fontAscent *
Math.sin(renderParams.angle));
bidiText.y = renderParams.renderMatrix[5] + (fontAscent *
Math.cos(renderParams.angle));
if (bidiText.dir == 'ttb') {
bidiText.x += renderParams.vScale / 2;
bidiText.y -= renderParams.vScale;