diff options
-rw-r--r-- | src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp | 25 | ||||
-rw-r--r-- | src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h | 3 |
2 files changed, 15 insertions, 13 deletions
diff --git a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp index dd630c776f..df47e920af 100644 --- a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp +++ b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp @@ -94,7 +94,7 @@ void QSGOpenVGFontGlyphCache::populate(const QVector<quint32> &glyphs) referencedGlyphs.insert(glyphIndex); - if (!m_cachedGlyphs.contains(glyphIndex)) { + if (!m_glyphReferences.contains(glyphIndex)) { newGlyphs.insert(glyphIndex); } } @@ -119,17 +119,9 @@ void QSGOpenVGFontGlyphCache::requestGlyphs(const QSet<quint32> &glyphs) { VGfloat origin[2]; VGfloat escapement[2]; - QRectF metrics; QRawFont rawFont = m_referenceFont; - // Before adding any new glyphs, remove any unused glyphs - for (auto glyph : qAsConst(m_unusedGlyphs)) { - vgClearGlyph(m_font, glyph); - } - for (auto glyph : glyphs) { - m_cachedGlyphs.insert(glyph); - // Calculate the path for the glyph and cache it. QPainterPath path = rawFont.pathForGlyph(glyph); VGPath vgPath; @@ -151,12 +143,23 @@ void QSGOpenVGFontGlyphCache::requestGlyphs(const QSet<quint32> &glyphs) void QSGOpenVGFontGlyphCache::referenceGlyphs(const QSet<quint32> &glyphs) { - m_unusedGlyphs -= glyphs; + for (auto glyph : glyphs) { + if (m_glyphReferences.contains(glyph)) + m_glyphReferences[glyph] += 1; + else + m_glyphReferences.insert(glyph, 1); + } } void QSGOpenVGFontGlyphCache::releaseGlyphs(const QSet<quint32> &glyphs) { - m_unusedGlyphs += glyphs; + for (auto glyph : glyphs) { + int references = m_glyphReferences[glyph] -= 1; + if (references == 0) { + vgClearGlyph(m_font, glyph); + m_glyphReferences.remove(glyph); + } + } } QT_END_NAMESPACE diff --git a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h index a88d28b0fe..107ec0c892 100644 --- a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h +++ b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h @@ -87,8 +87,7 @@ private: int m_glyphCount; VGFont m_font; - QSet<quint32> m_cachedGlyphs; - QSet<quint32> m_unusedGlyphs; + QHash<quint32, int> m_glyphReferences; }; |