diff options
Diffstat (limited to 'src/gui/painting/qtextureglyphcache.cpp')
| -rw-r--r-- | src/gui/painting/qtextureglyphcache.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp index 60300c3..670ca95 100644 --- a/src/gui/painting/qtextureglyphcache.cpp +++ b/src/gui/painting/qtextureglyphcache.cpp @@ -175,11 +175,16 @@ bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const metrics.yoff.toReal(), metrics.x.toReal(), metrics.y.toReal()); -#endif +#endif + GlyphAndSubPixelPosition key(glyph, subPixelPosition); int glyph_width = metrics.width.ceil().toInt(); int glyph_height = metrics.height.ceil().toInt(); - if (glyph_height == 0 || glyph_width == 0) + if (glyph_height == 0 || glyph_width == 0) { + // Avoid multiple calls to boundingBox() for non-printable characters + Coord c = { 0, 0, 0, 0, 0, 0 }; + coords.insert(key, c); continue; + } glyph_width += margin * 2 + 4; glyph_height += margin * 2 + 4; // align to 8-bit boundary @@ -192,7 +197,7 @@ bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const metrics.x.round().truncate(), -metrics.y.truncate() }; // baseline for horizontal scripts - listItemCoordinates.insert(GlyphAndSubPixelPosition(glyph, subPixelPosition), c); + listItemCoordinates.insert(key, c); rowHeight = qMax(rowHeight, glyph_height); } if (listItemCoordinates.isEmpty()) |