diff options
Diffstat (limited to 'src/gui/text/qtextlayout.cpp')
| -rw-r--r-- | src/gui/text/qtextlayout.cpp | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp index 5a11c87..da43913 100644 --- a/src/gui/text/qtextlayout.cpp +++ b/src/gui/text/qtextlayout.cpp @@ -1709,14 +1709,18 @@ namespace { return glyphs.glyphs[logClusters[currentPosition - 1]]; } + inline void adjustRightBearing(glyph_t glyph) + { + qreal rb; + fontEngine->getGlyphBearings(glyph, 0, &rb); + rightBearing = qMin(QFixed(), QFixed::fromReal(rb)); + } + inline void adjustRightBearing() { if (currentPosition <= 0) return; - - qreal rb; - fontEngine->getGlyphBearings(currentGlyph(), 0, &rb); - rightBearing = qMin(QFixed(), QFixed::fromReal(rb)); + adjustRightBearing(currentGlyph()); } inline void resetRightBearing() @@ -1901,6 +1905,9 @@ void QTextLine::layout_helper(int maxGlyphs) } else { lbh.whiteSpaceOrObject = false; bool sb_or_ws = false; + glyph_t previousGlyph = 0; + if (lbh.currentPosition > 0 && lbh.logClusters[lbh.currentPosition - 1] <lbh.glyphs.numGlyphs) + previousGlyph = lbh.currentGlyph(); // needed to calculate right bearing later do { addNextCluster(lbh.currentPosition, end, lbh.tmpData, lbh.glyphCount, current, lbh.logClusters, lbh.glyphs); @@ -1944,9 +1951,15 @@ void QTextLine::layout_helper(int maxGlyphs) // We ignore the right bearing if the minimum negative bearing is too little to // expand the text beyond the edge. if (sb_or_ws|breakany) { + QFixed rightBearing = lbh.rightBearing; // store previous right bearing if (lbh.calculateNewWidth(line) - lbh.minimumRightBearing > line.width) lbh.adjustRightBearing(); if (lbh.checkFullOtherwiseExtend(line)) { + // we are too wide, fix right bearing + if (rightBearing <= 0) + lbh.rightBearing = rightBearing; // take from cache + else if (previousGlyph > 0) + lbh.adjustRightBearing(previousGlyph); if (!breakany) { line.textWidth += lbh.softHyphenWidth; } |