diff options
Diffstat (limited to 'src/gui')
-rw-r--r-- | src/gui/image/qpixmap_mac.cpp | 2 | ||||
-rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 10 | ||||
-rw-r--r-- | src/gui/painting/qpainter.cpp | 9 | ||||
-rw-r--r-- | src/gui/painting/qtextureglyphcache.cpp | 8 | ||||
-rw-r--r-- | src/gui/text/qfontengine_ft.cpp | 9 | ||||
-rw-r--r-- | src/gui/text/qtextengine.cpp | 69 | ||||
-rw-r--r-- | src/gui/text/qtextengine_p.h | 3 | ||||
-rw-r--r-- | src/gui/text/qtextlayout.cpp | 82 |
8 files changed, 155 insertions, 37 deletions
diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp index aac159e..6872cfa 100644 --- a/src/gui/image/qpixmap_mac.cpp +++ b/src/gui/image/qpixmap_mac.cpp @@ -637,7 +637,7 @@ void QMacPixmapData::macCreatePixels() } if (pixels) - memcpy(base_pixels, pixels, pixelsSize); + memcpy(base_pixels, pixels, qMin(pixelsSize, (uint) numBytes)); pixels = base_pixels; pixelsSize = numBytes; } diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 01b22da..cd9206c 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -3105,7 +3105,15 @@ void QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs, Q_D(QRasterPaintEngine); QRasterPaintEngineState *s = state(); - QFontEngineGlyphCache::Type glyphType = fontEngine->glyphFormat >= 0 ? QFontEngineGlyphCache::Type(fontEngine->glyphFormat) : d->glyphCacheType; + QFontEngineGlyphCache::Type glyphType; + if (fontEngine->glyphFormat >= 0) { + glyphType = QFontEngineGlyphCache::Type(fontEngine->glyphFormat); + } else if (s->matrix.type() > QTransform::TxTranslate + && d->glyphCacheType == QFontEngineGlyphCache::Raster_RGBMask) { + glyphType = QFontEngineGlyphCache::Raster_A8; + } else { + glyphType = d->glyphCacheType; + } QImageTextureGlyphCache *cache = static_cast<QImageTextureGlyphCache *>(fontEngine->glyphCache(0, glyphType, s->matrix)); diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index dfb9a04..a4ab00a 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -2788,6 +2788,9 @@ void QPainter::setClipRect(const QRect &rect, Qt::ClipOperation op) return; } + if (d->state->clipOperation == Qt::NoClip && op == Qt::IntersectClip) + op = Qt::ReplaceClip; + d->state->clipRegion = rect; d->state->clipOperation = op; if (op == Qt::NoClip || op == Qt::ReplaceClip) @@ -2843,6 +2846,9 @@ void QPainter::setClipRegion(const QRegion &r, Qt::ClipOperation op) return; } + if (d->state->clipOperation == Qt::NoClip && op == Qt::IntersectClip) + op = Qt::ReplaceClip; + d->state->clipRegion = r; d->state->clipOperation = op; if (op == Qt::NoClip || op == Qt::ReplaceClip) @@ -3248,6 +3254,9 @@ void QPainter::setClipPath(const QPainterPath &path, Qt::ClipOperation op) return; } + if (d->state->clipOperation == Qt::NoClip && op == Qt::IntersectClip) + op = Qt::ReplaceClip; + d->state->clipPath = path; d->state->clipOperation = op; if (op == Qt::NoClip || op == Qt::ReplaceClip) diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp index 16df6c1..2c1da24 100644 --- a/src/gui/painting/qtextureglyphcache.cpp +++ b/src/gui/painting/qtextureglyphcache.cpp @@ -178,14 +178,10 @@ bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g) const { #if defined(Q_WS_X11) - if (m_transform.type() > QTransform::TxTranslate && m_current_fontengine->type() == QFontEngine::Freetype) { + if (m_type != Raster_RGBMask && m_transform.type() > QTransform::TxTranslate && m_current_fontengine->type() == QFontEngine::Freetype) { QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_None; QImage::Format imageFormat = QImage::Format_Invalid; switch (m_type) { - case Raster_RGBMask: - format = QFontEngineFT::Format_A32; - imageFormat = QImage::Format_RGB32; - break; case Raster_A8: format = QFontEngineFT::Format_A8; imageFormat = QImage::Format_Indexed8; @@ -266,7 +262,7 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g) } #endif - if (m_type == QFontEngineGlyphCache::Raster_RGBMask) { + if (m_type == QFontEngineGlyphCache::Raster_RGBMask) { QImage ref(m_image.bits() + (c.x * 4 + c.y * m_image.bytesPerLine()), qMax(mask.width(), c.w), qMax(mask.height(), c.h), m_image.bytesPerLine(), m_image.format()); diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp index c4e89d5..1056aed 100644 --- a/src/gui/text/qfontengine_ft.cpp +++ b/src/gui/text/qfontengine_ft.cpp @@ -762,9 +762,18 @@ QFontEngineFT::Glyph *QFontEngineFT::loadGlyphMetrics(QGlyphSet *set, uint glyph return g; int load_flags = FT_LOAD_DEFAULT | default_load_flags; + int load_target = default_hint_style == HintLight + ? FT_LOAD_TARGET_LIGHT + : FT_LOAD_TARGET_NORMAL; + if (set->outline_drawing) load_flags = FT_LOAD_NO_BITMAP; + if (default_hint_style == HintNone) + load_flags |= FT_LOAD_NO_HINTING; + else + load_flags |= load_target; + // apply our matrix to this, but note that the metrics will not be affected by this. FT_Face face = lockFace(); FT_Matrix matrix = this->matrix; diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp index 806779a..9271f34 100644 --- a/src/gui/text/qtextengine.cpp +++ b/src/gui/text/qtextengine.cpp @@ -2697,6 +2697,75 @@ QFixed QTextEngine::leadingSpaceWidth(const QScriptLine &line) return width(line.from + pos, line.length - pos); } +// Scan in logClusters[from..to-1] for glyph_pos +int QTextEngine::getClusterLength(unsigned short *logClusters, + const HB_CharAttributes *attributes, + int from, int to, int glyph_pos, int *start) +{ + int clusterLength = 0; + for (int i = from; i < to; i++) { + if (logClusters[i] == glyph_pos && attributes[i].charStop) { + if (*start < 0) + *start = i; + clusterLength++; + } + else if (clusterLength) + break; + } + return clusterLength; +} + +int QTextEngine::positionInLigature(const QScriptItem *si, int end, + QFixed x, QFixed edge, int glyph_pos, + bool cursorOnCharacter) +{ + unsigned short *logClusters = this->logClusters(si); + int clusterStart = -1; + int clusterLength = 0; + + if (si->analysis.script != QUnicodeTables::Common && + si->analysis.script != QUnicodeTables::Greek) { + if (glyph_pos == -1) + return si->position + end; + else { + int i; + for (i = 0; i < end; i++) + if (logClusters[i] == glyph_pos) + break; + return si->position + i; + } + } + + if (glyph_pos == -1 && end > 0) + glyph_pos = logClusters[end - 1]; + else { + if (x <= edge) + glyph_pos--; + } + + const HB_CharAttributes *attrs = attributes(); + clusterLength = getClusterLength(logClusters, attrs, 0, end, glyph_pos, &clusterStart); + + if (clusterLength) { + const QGlyphLayout &glyphs = shapedGlyphs(si); + QFixed glyphWidth = glyphs.effectiveAdvance(glyph_pos); + // the approximate width of each individual element of the ligature + QFixed perItemWidth = glyphWidth / clusterLength; + QFixed left = x > edge ? edge : edge - glyphWidth; + int n = ((x - left) / perItemWidth).floor().toInt(); + QFixed dist = x - left - n * perItemWidth; + int closestItem = dist > (perItemWidth / 2) ? n + 1 : n; + if (cursorOnCharacter && closestItem > 0) + closestItem--; + int pos = si->position + clusterStart + closestItem; + // Jump to the next charStop + while (!attrs[pos].charStop && pos < end) + pos++; + return pos; + } + return si->position + end; +} + QStackTextEngine::QStackTextEngine(const QString &string, const QFont &f) : QTextEngine(string, f), _layoutData(string, _memory, MemSize) diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h index 5e33f21..09610ff 100644 --- a/src/gui/text/qtextengine_p.h +++ b/src/gui/text/qtextengine_p.h @@ -594,6 +594,8 @@ public: void shapeLine(const QScriptLine &line); QFixed leadingSpaceWidth(const QScriptLine &line); + int positionInLigature(const QScriptItem *si, int end, QFixed x, QFixed edge, int glyph_pos, bool cursorOnCharacter); + private: void setBoundary(int strPos) const; void addRequiredBoundaries() const; @@ -608,6 +610,7 @@ private: void splitItem(int item, int pos) const; void resolveAdditionalFormats() const; + int getClusterLength(unsigned short *logClusters, const HB_CharAttributes *attributes, int from, int to, int glyph_pos, int *start); }; class QStackTextEngine : public QTextEngine { diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp index c34a04b..4b3c9e7 100644 --- a/src/gui/text/qtextlayout.cpp +++ b/src/gui/text/qtextlayout.cpp @@ -1011,6 +1011,35 @@ QScriptItem &QTextLineItemIterator::next() return *si; } +static QFixed offsetInLigature(const unsigned short *logClusters, + const QGlyphLayout &glyphs, + int pos, int max, int glyph_pos) +{ + int offsetInCluster = 0; + for (int i = pos - 1; i >= 0; i--) { + if (logClusters[i] == glyph_pos) + offsetInCluster++; + else + break; + } + + // in the case that the offset is inside a (multi-character) glyph, + // interpolate the position. + if (offsetInCluster > 0) { + int clusterLength = 0; + for (int i = pos - offsetInCluster; i < max; i++) { + if (logClusters[i] == glyph_pos) + clusterLength++; + else + break; + } + if (clusterLength) + return glyphs.advances_x[glyph_pos] * offsetInCluster / clusterLength; + } + + return 0; +} + bool QTextLineItemIterator::getSelectionBounds(QFixed *selectionX, QFixed *selectionWidth) const { *selectionX = *selectionWidth = 0; @@ -1050,8 +1079,19 @@ bool QTextLineItemIterator::getSelectionBounds(QFixed *selectionX, QFixed *selec swidth += glyphs.effectiveAdvance(g); } - *selectionX = x + soff; - *selectionWidth = swidth; + // If the starting character is in the middle of a ligature, + // selection should only contain the right part of that ligature + // glyph, so we need to get the width of the left part here and + // add it to *selectionX + QFixed leftOffsetInLigature = offsetInLigature(logClusters, glyphs, from, + to, start_glyph); + *selectionX = x + soff + leftOffsetInLigature; + *selectionWidth = swidth - leftOffsetInLigature; + // If the ending character is also part of a ligature, swidth does + // not contain that part yet, we also need to find out the width of + // that left part + *selectionWidth += offsetInLigature(logClusters, glyphs, to, + eng->length(item), end_glyph); } return true; } @@ -2465,16 +2505,8 @@ qreal QTextLine::cursorToX(int *cursorPos, Edge edge) const if(pos == l) x += si->width; } else { - int offsetInCluster = 0; - for (int i=pos-1; i >= 0; i--) { - if (logClusters[i] == glyph_pos) - offsetInCluster++; - else - break; - } - + int end = qMin(lineEnd, si->position + l) - si->position; if (reverse) { - int end = qMin(lineEnd, si->position + l) - si->position; int glyph_end = end == l ? si->num_glyphs : logClusters[end]; for (int i = glyph_end - 1; i >= glyph_pos; i--) x += glyphs.effectiveAdvance(i); @@ -2484,17 +2516,7 @@ qreal QTextLine::cursorToX(int *cursorPos, Edge edge) const for (int i = glyph_start; i < glyph_pos; i++) x += glyphs.effectiveAdvance(i); } - if (offsetInCluster > 0) { // in the case that the offset is inside a (multi-character) glyph, interpolate the position. - int clusterLength = 0; - for (int i=pos - offsetInCluster; i < line.length; i++) { - if (logClusters[i] == glyph_pos) - clusterLength++; - else - break; - } - if (clusterLength) - x+= glyphs.advances_x[glyph_pos] * offsetInCluster / clusterLength; - } + x += offsetInLigature(logClusters, glyphs, pos, end, glyph_pos); } *cursorPos = pos + si->position; @@ -2600,6 +2622,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const } int glyph_pos = -1; + QFixed edge; // has to be inside run if (cpos == QTextLine::CursorOnCharacter) { if (si.analysis.bidiLevel % 2) { @@ -2610,6 +2633,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const if (pos < x) break; glyph_pos = gs; + edge = pos; break; } pos -= glyphs.effectiveAdvance(gs); @@ -2622,6 +2646,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const if (pos > x) break; glyph_pos = gs; + edge = pos; } pos += glyphs.effectiveAdvance(gs); ++gs; @@ -2634,6 +2659,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const while (gs <= ge) { if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { glyph_pos = gs; + edge = pos; dist = qAbs(x-pos); } pos -= glyphs.effectiveAdvance(gs); @@ -2643,6 +2669,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const while (gs <= ge) { if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { glyph_pos = gs; + edge = pos; dist = qAbs(x-pos); } pos += glyphs.effectiveAdvance(gs); @@ -2650,15 +2677,12 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const } } if (qAbs(x-pos) < dist) - return si.position + end; + return eng->positionInLigature(&si, end, x, pos, -1, + cpos == QTextLine::CursorOnCharacter); } Q_ASSERT(glyph_pos != -1); - int j; - for (j = 0; j < eng->length(item); ++j) - if (logClusters[j] == glyph_pos) - break; -// qDebug("at pos %d (in run: %d)", si.position + j, j); - return si.position + j; + return eng->positionInLigature(&si, end, x, edge, glyph_pos, + cpos == QTextLine::CursorOnCharacter); } } // right of last item |