diff options
Diffstat (limited to 'src/gui/painting')
24 files changed, 769 insertions, 84 deletions
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp index bbffda1..ea7fe4f 100644 --- a/src/gui/painting/qbezier.cpp +++ b/src/gui/painting/qbezier.cpp @@ -112,6 +112,11 @@ QPolygonF QBezier::toPolygon() const return polygon; } +QBezier QBezier::mapBy(const QTransform &transform) const +{ + return QBezier::fromPoints(transform.map(pt1()), transform.map(pt2()), transform.map(pt3()), transform.map(pt4())); +} + //0.5 is really low static const qreal flatness = 0.5; @@ -140,6 +145,25 @@ static inline void flattenBezierWithoutInflections(QBezier &bez, } } +QBezier QBezier::getSubRange(qreal t0, qreal t1) const +{ + QBezier result; + QBezier temp; + + // cut at t1 + if (qFuzzyIsNull(t1 - qreal(1.))) { + result = *this; + } else { + temp = *this; + temp.parameterSplitLeft(t1, &result); + } + + // cut at t0 + if (!qFuzzyIsNull(t0)) + result.parameterSplitLeft(t0 / t1, &temp); + + return result; +} static inline int quadraticRoots(qreal a, qreal b, qreal c, qreal *x1, qreal *x2) @@ -1018,13 +1042,19 @@ int QBezier::stationaryYPoints(qreal &t0, qreal &t1) const const qreal b = 2 * y1 - 4 * y2 + 2 * y3; const qreal c = -y1 + y2; - qreal reciprocal = b * b - 4 * a * c; + if (qFuzzyIsNull(a)) { + if (qFuzzyIsNull(b)) + return 0; - QList<qreal> result; + t0 = -c / b; + return t0 > 0 && t0 < 1; + } + + qreal reciprocal = b * b - 4 * a * c; if (qFuzzyIsNull(reciprocal)) { t0 = -b / (2 * a); - return 1; + return t0 > 0 && t0 < 1; } else if (reciprocal > 0) { qreal temp = qSqrt(reciprocal); diff --git a/src/gui/painting/qbezier_p.h b/src/gui/painting/qbezier_p.h index 3409bc7..f015ea8 100644 --- a/src/gui/painting/qbezier_p.h +++ b/src/gui/painting/qbezier_p.h @@ -59,6 +59,7 @@ #include "QtCore/qvector.h" #include "QtCore/qlist.h" #include "QtCore/qpair.h" +#include "QtGui/qtransform.h" QT_BEGIN_NAMESPACE @@ -96,6 +97,8 @@ public: QPointF pt3() const { return QPointF(x3, y3); } QPointF pt4() const { return QPointF(x4, y4); } + QBezier mapBy(const QTransform &transform) const; + inline QPointF midPoint() const; inline QLineF midTangent() const; @@ -104,6 +107,7 @@ public: inline void parameterSplitLeft(qreal t, QBezier *left); inline void split(QBezier *firstHalf, QBezier *secondHalf) const; + int shifted(QBezier *curveSegments, int maxSegmets, qreal offset, float threshold) const; @@ -117,6 +121,8 @@ public: static bool findIntersections(const QBezier &a, const QBezier &b, QVector<QPair<qreal, qreal> > *t); + QBezier getSubRange(qreal t0, qreal t1) const; + qreal x1, y1, x2, y2, x3, y3, x4, y4; }; diff --git a/src/gui/painting/qemulationpaintengine.cpp b/src/gui/painting/qemulationpaintengine.cpp index fd42736..0510b10 100644 --- a/src/gui/painting/qemulationpaintengine.cpp +++ b/src/gui/painting/qemulationpaintengine.cpp @@ -205,6 +205,11 @@ void QEmulationPaintEngine::drawTextItem(const QPointF &p, const QTextItem &text real_engine->drawTextItem(p, textItem); } +void QEmulationPaintEngine::drawStaticTextItem(QStaticTextItem *item) +{ + real_engine->drawStaticTextItem(item); +} + void QEmulationPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) { if (state()->bgMode == Qt::OpaqueMode && pixmap.isQBitmap()) diff --git a/src/gui/painting/qemulationpaintengine_p.h b/src/gui/painting/qemulationpaintengine_p.h index 0ed641b..5835f10 100644 --- a/src/gui/painting/qemulationpaintengine_p.h +++ b/src/gui/painting/qemulationpaintengine_p.h @@ -78,6 +78,7 @@ public: virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); virtual void drawTextItem(const QPointF &p, const QTextItem &textItem); + virtual void drawStaticTextItem(QStaticTextItem *item); virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s); virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags); diff --git a/src/gui/painting/qpaintbuffer.cpp b/src/gui/painting/qpaintbuffer.cpp index 2344c04..39b76c8 100644 --- a/src/gui/painting/qpaintbuffer.cpp +++ b/src/gui/painting/qpaintbuffer.cpp @@ -45,6 +45,8 @@ #include <private/qfontengine_p.h> #include <private/qemulationpaintengine_p.h> #include <private/qimage_p.h> +#include <qstatictext.h> +#include <private/qstatictext_p.h> #include <QDebug> @@ -306,6 +308,8 @@ public: Q_Q(QPaintBufferEngine); q->buffer->addCommand(QPaintBufferPrivate::Cmd_SystemStateChanged, QVariant(systemClip)); } + + QTransform last; }; @@ -492,6 +496,32 @@ void QPaintBufferEngine::renderHintsChanged() void QPaintBufferEngine::transformChanged() { + Q_D(QPaintBufferEngine); + const QTransform &transform = state()->matrix; + + QTransform delta; + + bool invertible = false; + if (transform.type() <= QTransform::TxScale && transform.type() == d->last.type()) + delta = transform * d->last.inverted(&invertible); + + d->last = transform; + + if (invertible && delta.type() == QTransform::TxNone) + return; + + if (invertible && delta.type() == QTransform::TxTranslate) { +#ifdef QPAINTBUFFER_DEBUG_DRAW + qDebug() << "QPaintBufferEngine: transformChanged (translate only) " << state()->matrix; +#endif + QPaintBufferCommand *cmd = + buffer->addCommand(QPaintBufferPrivate::Cmd_Translate); + + qreal data[] = { delta.dx(), delta.dy() }; + cmd->extra = buffer->addData((qreal *) data, 2); + return; + } + // ### accumulate, like in QBrush case... if (!buffer->commands.isEmpty() && buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetTransform) { @@ -960,6 +990,18 @@ void QPaintBufferEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, con buffer->updateBoundingRect(r); } +void QPaintBufferEngine::drawStaticTextItem(QStaticTextItem *staticTextItem) +{ + QString text = QString(staticTextItem->chars, staticTextItem->numChars); + + QStaticText staticText(text); + staticText.prepare(state()->matrix, staticTextItem->font); + + QVariantList variants; + variants << QVariant(staticTextItem->font) << QVariant::fromValue(staticText); + buffer->addCommand(QPaintBufferPrivate::Cmd_DrawStaticText, QVariant(variants)); +} + void QPaintBufferEngine::drawTextItem(const QPointF &pos, const QTextItem &ti) { #ifdef QPAINTBUFFER_DEBUG_DRAW @@ -999,6 +1041,7 @@ void QPaintBufferEngine::drawTextItem(const QPointF &pos, const QTextItem &ti) void QPaintBufferEngine::setState(QPainterState *s) { + Q_D(QPaintBufferEngine); if (m_begin_detected) { #ifdef QPAINTBUFFER_DEBUG_DRAW qDebug() << "QPaintBufferEngine: setState: begin, ignoring."; @@ -1017,6 +1060,8 @@ void QPaintBufferEngine::setState(QPainterState *s) buffer->addCommand(QPaintBufferPrivate::Cmd_Restore); } + d->last = s->matrix; + QPaintEngineEx::setState(s); } @@ -1138,6 +1183,15 @@ void QPainterReplayer::process(const QPaintBufferCommand &cmd) painter->setTransform(xform * m_world_matrix); break; } + case QPaintBufferPrivate::Cmd_Translate: { + QPointF delta(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1)); +#ifdef QPAINTBUFFER_DEBUG_DRAW + qDebug() << " -> Cmd_Translate, offset: " << cmd.offset << delta; +#endif + painter->translate(delta.x(), delta.y()); + return; + } + case QPaintBufferPrivate::Cmd_SetCompositionMode: { QPainter::CompositionMode mode = (QPainter::CompositionMode) cmd.extra; #ifdef QPAINTBUFFER_DEBUG_DRAW @@ -1425,6 +1479,19 @@ void QPainterReplayer::process(const QPaintBufferCommand &cmd) #endif painter->setClipRegion(region, Qt::ClipOperation(cmd.extra)); break; } + + case QPaintBufferPrivate::Cmd_DrawStaticText: { + + QVariantList variants(d->variants.at(cmd.offset).value<QVariantList>()); + + QFont font(variants.at(0).value<QFont>()); + QStaticText text(variants.at(0).value<QStaticText>()); + + painter->setFont(font); + painter->drawStaticText(QPointF(0, 0), text); + + break; + } case QPaintBufferPrivate::Cmd_DrawText: { QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1)); @@ -1770,8 +1837,28 @@ struct QPaintBufferCacheEntry QVariant::Type type; quint64 cacheKey; }; + +struct QPaintBufferCacheEntryV2 +{ + enum Type { + ImageKey, + PixmapKey + }; + + struct Flags { + uint type : 8; + uint key : 24; + }; + + union { + Flags flags; + uint bits; + }; +}; + QT_END_NAMESPACE Q_DECLARE_METATYPE(QPaintBufferCacheEntry) +Q_DECLARE_METATYPE(QPaintBufferCacheEntryV2) QT_BEGIN_NAMESPACE QDataStream &operator<<(QDataStream &stream, const QPaintBufferCacheEntry &entry) @@ -1784,10 +1871,22 @@ QDataStream &operator>>(QDataStream &stream, QPaintBufferCacheEntry &entry) return stream >> entry.type >> entry.cacheKey; } +QDataStream &operator<<(QDataStream &stream, const QPaintBufferCacheEntryV2 &entry) +{ + return stream << entry.bits; +} + +QDataStream &operator>>(QDataStream &stream, QPaintBufferCacheEntryV2 &entry) +{ + return stream >> entry.bits; +} + static int qRegisterPaintBufferMetaTypes() { qRegisterMetaType<QPaintBufferCacheEntry>(); qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntry>("QPaintBufferCacheEntry"); + qRegisterMetaType<QPaintBufferCacheEntryV2>(); + qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntryV2>("QPaintBufferCacheEntryV2"); return 0; // something } @@ -1796,6 +1895,9 @@ Q_CONSTRUCTOR_FUNCTION(qRegisterPaintBufferMetaTypes) QDataStream &operator<<(QDataStream &stream, const QPaintBuffer &buffer) { + QHash<qint64, uint> pixmapKeys; + QHash<qint64, uint> imageKeys; + QHash<qint64, QPixmap> pixmaps; QHash<qint64, QImage> images; @@ -1804,19 +1906,33 @@ QDataStream &operator<<(QDataStream &stream, const QPaintBuffer &buffer) const QVariant &v = variants.at(i); if (v.type() == QVariant::Image) { const QImage image(v.value<QImage>()); - images[image.cacheKey()] = image; - QPaintBufferCacheEntry entry; - entry.type = QVariant::Image; - entry.cacheKey = image.cacheKey(); + QPaintBufferCacheEntryV2 entry; + entry.flags.type = QPaintBufferCacheEntryV2::ImageKey; + + QHash<qint64, uint>::iterator it = imageKeys.find(image.cacheKey()); + if (it != imageKeys.end()) { + entry.flags.key = *it; + } else { + imageKeys[image.cacheKey()] = entry.flags.key = images.size(); + images[images.size()] = image; + } + variants[i] = QVariant::fromValue(entry); } else if (v.type() == QVariant::Pixmap) { const QPixmap pixmap(v.value<QPixmap>()); - pixmaps[pixmap.cacheKey()] = pixmap; - QPaintBufferCacheEntry entry; - entry.type = QVariant::Pixmap; - entry.cacheKey = pixmap.cacheKey(); + QPaintBufferCacheEntryV2 entry; + entry.flags.type = QPaintBufferCacheEntryV2::PixmapKey; + + QHash<qint64, uint>::iterator it = pixmapKeys.find(pixmap.cacheKey()); + if (it != pixmapKeys.end()) { + entry.flags.key = *it; + } else { + pixmapKeys[pixmap.cacheKey()] = entry.flags.key = pixmaps.size(); + pixmaps[pixmaps.size()] = pixmap; + } + variants[i] = QVariant::fromValue(entry); } } @@ -1858,6 +1974,15 @@ QDataStream &operator>>(QDataStream &stream, QPaintBuffer &buffer) variants[i] = QVariant(images.value(entry.cacheKey)); else variants[i] = QVariant(pixmaps.value(entry.cacheKey)); + } else if (v.canConvert<QPaintBufferCacheEntryV2>()) { + QPaintBufferCacheEntryV2 entry = v.value<QPaintBufferCacheEntryV2>(); + + if (entry.flags.type == QPaintBufferCacheEntryV2::ImageKey) + variants[i] = QVariant(images.value(entry.flags.key)); + else if (entry.flags.type == QPaintBufferCacheEntryV2::PixmapKey) + variants[i] = QVariant(pixmaps.value(entry.flags.key)); + else + qWarning() << "operator<<(QDataStream &stream, QPaintBuffer &buffer): unrecognized cache entry type:" << entry.flags.type; } } diff --git a/src/gui/painting/qpaintbuffer_p.h b/src/gui/painting/qpaintbuffer_p.h index 79d7b35..0fde290 100644 --- a/src/gui/painting/qpaintbuffer_p.h +++ b/src/gui/painting/qpaintbuffer_p.h @@ -183,6 +183,10 @@ public: Cmd_DrawTiledPixmap, Cmd_SystemStateChanged, + Cmd_Translate, + Cmd_DrawStaticText, + + // new commands must be added above this line Cmd_LastCommand }; @@ -394,6 +398,7 @@ public: virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s); virtual void drawTextItem(const QPointF &pos, const QTextItem &ti); + virtual void drawStaticTextItem(QStaticTextItem *staticTextItem); virtual void setState(QPainterState *s); virtual uint flags() const {return QPaintEngineEx::DoNotEmulate;} diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index bc56ed0..41c4f14 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -67,6 +67,7 @@ // #include <private/qpolygonclipper_p.h> // #include <private/qrasterizer_p.h> #include <private/qimage_p.h> +#include <private/qstatictext_p.h> #include "qpaintengine_raster_p.h" // #include "qbezier_p.h" @@ -3006,27 +3007,22 @@ void QRasterPaintEngine::alphaPenBlt(const void* src, int bpl, int depth, int rx blend(current, spans, &s->penData); } -void QRasterPaintEngine::drawCachedGlyphs(const QPointF &p, const QTextItemInt &ti) +void QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs, + const QFixedPoint *positions, QFontEngine *fontEngine) { Q_D(QRasterPaintEngine); QRasterPaintEngineState *s = state(); - QVarLengthArray<QFixedPoint> positions; - QVarLengthArray<glyph_t> glyphs; - QTransform matrix = s->matrix; - matrix.translate(p.x(), p.y()); - ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions); - - QFontEngineGlyphCache::Type glyphType = ti.fontEngine->glyphFormat >= 0 ? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat) : d->glyphCacheType; + QFontEngineGlyphCache::Type glyphType = fontEngine->glyphFormat >= 0 ? QFontEngineGlyphCache::Type(fontEngine->glyphFormat) : d->glyphCacheType; QImageTextureGlyphCache *cache = - (QImageTextureGlyphCache *) ti.fontEngine->glyphCache(0, glyphType, s->matrix); + static_cast<QImageTextureGlyphCache *>(fontEngine->glyphCache(0, glyphType, s->matrix)); if (!cache) { cache = new QImageTextureGlyphCache(glyphType, s->matrix); - ti.fontEngine->setGlyphCache(0, cache); + fontEngine->setGlyphCache(0, cache); } - cache->populate(ti, glyphs, positions); + cache->populate(fontEngine, numGlyphs, glyphs, positions); const QImage &image = cache->image(); int bpl = image.bytesPerLine(); @@ -3044,7 +3040,7 @@ void QRasterPaintEngine::drawCachedGlyphs(const QPointF &p, const QTextItemInt & const QFixed offs = QFixed::fromReal(aliasedCoordinateDelta); const uchar *bits = image.bits(); - for (int i=0; i<glyphs.size(); ++i) { + for (int i=0; i<numGlyphs; ++i) { const QTextureGlyphCache::Coord &c = cache->coords.value(glyphs[i]); int x = qFloor(positions[i].x + offs) + c.baseLineX - margin; int y = qFloor(positions[i].y + offs) - c.baseLineY - margin; @@ -3221,6 +3217,15 @@ QRasterPaintEnginePrivate::getPenFunc(const QRectF &rect, return isUnclipped(rect, penWidth) ? data->unclipped_blend : data->blend; } +void QRasterPaintEngine::drawStaticTextItem(QStaticTextItem *textItem) +{ + ensurePen(); + ensureState(); + + drawCachedGlyphs(textItem->numGlyphs, textItem->glyphs, textItem->glyphPositions, + textItem->fontEngine); +} + /*! \reimp */ @@ -3269,7 +3274,17 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte drawCached = false; #endif if (drawCached) { - drawCachedGlyphs(p, ti); + QRasterPaintEngineState *s = state(); + + QVarLengthArray<QFixedPoint> positions; + QVarLengthArray<glyph_t> glyphs; + + QTransform matrix = s->matrix; + matrix.translate(p.x(), p.y()); + + ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions); + + drawCachedGlyphs(glyphs.size(), glyphs.constData(), positions.constData(), ti.fontEngine); return; } diff --git a/src/gui/painting/qpaintengine_raster_p.h b/src/gui/painting/qpaintengine_raster_p.h index a1c73cc..55eb82e 100644 --- a/src/gui/painting/qpaintengine_raster_p.h +++ b/src/gui/painting/qpaintengine_raster_p.h @@ -203,6 +203,8 @@ public: void clip(const QRect &rect, Qt::ClipOperation op); void clip(const QRegion ®ion, Qt::ClipOperation op); + void drawStaticTextItem(QStaticTextItem *textItem); + enum ClipType { RectClip, ComplexClip @@ -257,7 +259,8 @@ private: void fillRect(const QRectF &rect, QSpanData *data); void drawBitmap(const QPointF &pos, const QImage &image, QSpanData *fill); - void drawCachedGlyphs(const QPointF &p, const QTextItemInt &ti); + void drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs, const QFixedPoint *positions, + QFontEngine *fontEngine); #if defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) void drawGlyphsS60(const QPointF &p, const QTextItemInt &ti); diff --git a/src/gui/painting/qpaintengineex_p.h b/src/gui/painting/qpaintengineex_p.h index fccd1dc..90c4f9f 100644 --- a/src/gui/painting/qpaintengineex_p.h +++ b/src/gui/painting/qpaintengineex_p.h @@ -70,6 +70,7 @@ QT_MODULE(Gui) class QPainterState; class QPaintEngineExPrivate; +class QStaticTextItem; struct StrokeHandler; struct QIntRect { @@ -200,6 +201,8 @@ public: virtual void updateState(const QPaintEngineState &state); + virtual void drawStaticTextItem(QStaticTextItem *) = 0; + virtual void setState(QPainterState *s); inline QPainterState *state() { return static_cast<QPainterState *>(QPaintEngine::state); } inline const QPainterState *state() const { return static_cast<const QPainterState *>(QPaintEngine::state); } diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index 270144b..2be730e 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -70,6 +70,8 @@ #include <private/qwidget_p.h> #include <private/qpaintengine_raster_p.h> #include <private/qmath_p.h> +#include <qstatictext.h> +#include <private/qstatictext_p.h> QT_BEGIN_NAMESPACE @@ -5698,6 +5700,23 @@ void QPainter::drawImage(const QRectF &targetRect, const QImage &image, const QR } /*! + + \fn void QPainter::drawStaticText(const QPoint &position, const QStaticText &staticText) + + \since 4.7 + + \overload +*/ + +/*! + \fn void QPainter::drawStaticText(int x, int y, const QStaticText &staticText) + + \since 4.7 + + \overload +*/ + +/*! \fn void QPainter::drawText(const QPointF &position, const QString &text) Draws the given \a text with the currently defined text direction, @@ -5720,6 +5739,124 @@ void QPainter::drawText(const QPointF &p, const QString &str) } /*! + \since 4.7 + + Draws the given \a staticText at the given \a position. + + The text will be drawn using the font and the transformation set on the painter. If the + font and/or transformation set on the painter are different from the ones used to initialize + the layout of the QStaticText, then the layout will have to be recalculated. Use + QStaticText::prepare() to initialize \a staticText with the font and transformation with which + it will later be drawn. + + If \a position is not the same as when \a staticText was initialized, or when it was last drawn, + then there will be a slight overhead when translating the text to its new position. + + \note If the painter's transformation is not affine, then \a staticText will be drawn using regular + calls to drawText(), losing any potential performance improvement. + + \sa QStaticText +*/ +void QPainter::drawStaticText(const QPointF &position, const QStaticText &staticText) +{ + Q_D(QPainter); + if (!d->engine || staticText.text().isEmpty() || pen().style() == Qt::NoPen) + return; + + QStaticTextPrivate *staticText_d = + const_cast<QStaticTextPrivate *>(QStaticTextPrivate::get(&staticText)); + + // If we don't have an extended paint engine, or if the painter is projected, + // we go through standard code path + if (d->extended == 0 || !d->state->matrix.isAffine()) { + staticText_d->paintText(position, this); + return; + } + + // Don't recalculate entire layout because of translation, rather add the dx and dy + // into the position to move each text item the correct distance. + QPointF transformedPosition = position * d->state->matrix; + QTransform matrix = d->state->matrix; + + // The translation has been applied to transformedPosition. Remove translation + // component from matrix. + if (d->state->matrix.isTranslating()) { + qreal m11 = d->state->matrix.m11(); + qreal m12 = d->state->matrix.m12(); + qreal m13 = d->state->matrix.m13(); + qreal m21 = d->state->matrix.m21(); + qreal m22 = d->state->matrix.m22(); + qreal m23 = d->state->matrix.m23(); + qreal m33 = d->state->matrix.m33(); + + d->state->matrix.setMatrix(m11, m12, m13, + m21, m22, m23, + 0.0, 0.0, m33); + } + + // If the transform is not identical to the text transform, + // we have to relayout the text (for other transformations than plain translation) + bool staticTextNeedsReinit = false; + if (staticText_d->matrix != d->state->matrix) { + staticText_d->matrix = d->state->matrix; + staticTextNeedsReinit = true; + } + + bool restoreWhenFinished = false; + if (staticText_d->needsClipRect) { + save(); + setClipRect(QRectF(position, staticText_d->maximumSize)); + + restoreWhenFinished = true; + } + + if (font() != staticText_d->font) { + staticText_d->font = font(); + staticTextNeedsReinit = true; + } + + // Recreate the layout of the static text because the matrix or font has changed + if (staticTextNeedsReinit) + staticText_d->init(); + + if (transformedPosition != staticText_d->position) { // Translate to actual position + QFixed fx = QFixed::fromReal(transformedPosition.x()); + QFixed fy = QFixed::fromReal(transformedPosition.y()); + QFixed oldX = QFixed::fromReal(staticText_d->position.x()); + QFixed oldY = QFixed::fromReal(staticText_d->position.y()); + for (int item=0; item<staticText_d->itemCount;++item) { + QStaticTextItem *textItem = staticText_d->items + item; + for (int i=0; i<textItem->numGlyphs; ++i) { + textItem->glyphPositions[i].x += fx - oldX; + textItem->glyphPositions[i].y += fy - oldY; + } + textItem->userDataNeedsUpdate = true; + } + + staticText_d->position = transformedPosition; + } + + QPen oldPen = d->state->pen; + QColor currentColor = oldPen.color(); + for (int i=0; i<staticText_d->itemCount; ++i) { + QStaticTextItem *item = staticText_d->items + i; + if (currentColor != item->color) { + setPen(item->color); + currentColor = item->color; + } + d->extended->drawStaticTextItem(item); + } + if (currentColor != oldPen.color()) + setPen(oldPen); + + if (restoreWhenFinished) + restore(); + + if (matrix.isTranslating()) + d->state->matrix = matrix; +} + +/*! \internal */ void QPainter::drawText(const QPointF &p, const QString &str, int tf, int justificationPadding) diff --git a/src/gui/painting/qpainter.h b/src/gui/painting/qpainter.h index ffddcba..e9fd532 100644 --- a/src/gui/painting/qpainter.h +++ b/src/gui/painting/qpainter.h @@ -78,6 +78,7 @@ class QPolygon; class QTextItem; class QMatrix; class QTransform; +class QStaticText; class QPainterPrivateDeleter; @@ -369,6 +370,10 @@ public: void setLayoutDirection(Qt::LayoutDirection direction); Qt::LayoutDirection layoutDirection() const; + void drawStaticText(const QPointF &p, const QStaticText &staticText); + inline void drawStaticText(const QPoint &p, const QStaticText &staticText); + inline void drawStaticText(int x, int y, const QStaticText &staticText); + void drawText(const QPointF &p, const QString &s); inline void drawText(const QPoint &p, const QString &s); inline void drawText(int x, int y, const QString &s); @@ -896,6 +901,16 @@ inline void QPainter::drawImage(int x, int y, const QImage &image, int sx, int s drawImage(QRectF(x, y, -1, -1), image, QRectF(sx, sy, sw, sh), flags); } +inline void QPainter::drawStaticText(const QPoint &p, const QStaticText &staticText) +{ + drawStaticText(QPointF(p), staticText); +} + +inline void QPainter::drawStaticText(int x, int y, const QStaticText &staticText) +{ + drawStaticText(QPointF(x, y), staticText); +} + inline void QPainter::drawTextItem(const QPoint &p, const QTextItem &ti) { drawTextItem(QPointF(p), ti); diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp index bc81514..949a820 100644 --- a/src/gui/painting/qpathclipper.cpp +++ b/src/gui/painting/qpathclipper.cpp @@ -1705,6 +1705,9 @@ QPainterPath QPathClipper::clip(Operation operation) if (subjectPath == clipPath) return op == BoolSub ? QPainterPath() : subjectPath; + bool subjectIsRect = pathToRect(subjectPath, 0); + bool clipIsRect = pathToRect(clipPath, 0); + const QRectF clipBounds = clipPath.boundingRect(); const QRectF subjectBounds = subjectPath.boundingRect(); @@ -1732,8 +1735,7 @@ QPainterPath QPathClipper::clip(Operation operation) } if (clipBounds.contains(subjectBounds)) { - QRectF clipRect; - if (pathToRect(clipPath, &clipRect) && clipRect.contains(subjectBounds)) { + if (clipIsRect) { switch (op) { case BoolSub: return QPainterPath(); @@ -1746,17 +1748,16 @@ QPainterPath QPathClipper::clip(Operation operation) } } } else if (subjectBounds.contains(clipBounds)) { - QRectF subjectRect; - if (pathToRect(subjectPath, &subjectRect) && subjectRect.contains(clipBounds)) { + if (subjectIsRect) { switch (op) { case BoolSub: if (clipPath.fillRule() == Qt::OddEvenFill) { QPainterPath result = clipPath; - result.addRect(subjectRect); + result.addRect(subjectBounds); return result; } else { QPainterPath result = clipPath.simplified(); - result.addRect(subjectRect); + result.addRect(subjectBounds); return result; } break; @@ -1769,6 +1770,13 @@ QPainterPath QPathClipper::clip(Operation operation) } } } + + if (op == BoolAnd) { + if (subjectIsRect) + return intersect(clipPath, subjectBounds); + else if (clipIsRect) + return intersect(subjectPath, clipBounds); + } } QWingedEdge list(subjectPath, clipPath); @@ -2052,4 +2060,243 @@ bool QPathClipper::handleCrossingEdges(QWingedEdge &list, qreal y, ClipperMode m return false; } +namespace { + +QList<QPainterPath> toSubpaths(const QPainterPath &path) +{ + + QList<QPainterPath> subpaths; + if (path.isEmpty()) + return subpaths; + + QPainterPath current; + for (int i = 0; i < path.elementCount(); ++i) { + const QPainterPath::Element &e = path.elementAt(i); + switch (e.type) { + case QPainterPath::MoveToElement: + if (current.elementCount() > 1) + subpaths += current; + current = QPainterPath(); + current.moveTo(e); + break; + case QPainterPath::LineToElement: + current.lineTo(e); + break; + case QPainterPath::CurveToElement: { + current.cubicTo(e, path.elementAt(i + 1), path.elementAt(i + 2)); + i+=2; + break; + } + case QPainterPath::CurveToDataElement: + Q_ASSERT(!"toSubpaths(), bad element type"); + break; + } + } + + if (current.elementCount() > 1) + subpaths << current; + + return subpaths; +} + +enum Edge +{ + Left, Top, Right, Bottom +}; + +static bool isVertical(Edge edge) +{ + return edge == Left || edge == Right; +} + +template <Edge edge> +bool compare(const QPointF &p, qreal t) +{ + switch (edge) + { + case Left: + return p.x() < t; + case Right: + return p.x() > t; + case Top: + return p.y() < t; + default: + return p.y() > t; + } +} + +template <Edge edge> +QPointF intersectLine(const QPointF &a, const QPointF &b, qreal t) +{ + QLineF line(a, b); + switch (edge) { + case Left: // fall-through + case Right: + return line.pointAt((t - a.x()) / (b.x() - a.x())); + default: + return line.pointAt((t - a.y()) / (b.y() - a.y())); + } +} + +void addLine(QPainterPath &path, const QLineF &line) +{ + if (path.elementCount() > 0) + path.lineTo(line.p1()); + else + path.moveTo(line.p1()); + + path.lineTo(line.p2()); +} + +template <Edge edge> +void clipLine(const QPointF &a, const QPointF &b, qreal t, QPainterPath &result) +{ + bool outA = compare<edge>(a, t); + bool outB = compare<edge>(b, t); + if (outA && outB) + return; + + if (outA) + addLine(result, QLineF(intersectLine<edge>(a, b, t), b)); + else if(outB) + addLine(result, QLineF(a, intersectLine<edge>(a, b, t))); + else + addLine(result, QLineF(a, b)); +} + +void addBezier(QPainterPath &path, const QBezier &bezier) +{ + if (path.elementCount() > 0) + path.lineTo(bezier.pt1()); + else + path.moveTo(bezier.pt1()); + + path.cubicTo(bezier.pt2(), bezier.pt3(), bezier.pt4()); +} + +template <Edge edge> +void clipBezier(const QPointF &a, const QPointF &b, const QPointF &c, const QPointF &d, qreal t, QPainterPath &result) +{ + QBezier bezier = QBezier::fromPoints(a, b, c, d); + + bool outA = compare<edge>(a, t); + bool outB = compare<edge>(b, t); + bool outC = compare<edge>(c, t); + bool outD = compare<edge>(d, t); + + int outCount = int(outA) + int(outB) + int(outC) + int(outD); + + if (outCount == 4) + return; + + if (outCount == 0) { + addBezier(result, bezier); + return; + } + + QTransform flip = isVertical(edge) ? QTransform(0, 1, 1, 0, 0, 0) : QTransform(); + QBezier unflipped = bezier; + QBezier flipped = bezier.mapBy(flip); + + qreal t0 = 0, t1 = 1; + int stationary = flipped.stationaryYPoints(t0, t1); + + qreal segments[4]; + QPointF points[4]; + points[0] = unflipped.pt1(); + segments[0] = 0; + + int segmentCount = 0; + if (stationary > 0) { + ++segmentCount; + segments[segmentCount] = t0; + points[segmentCount] = unflipped.pointAt(t0); + } + if (stationary > 1) { + ++segmentCount; + segments[segmentCount] = t1; + points[segmentCount] = unflipped.pointAt(t1); + } + ++segmentCount; + segments[segmentCount] = 1; + points[segmentCount] = unflipped.pt4(); + + qreal lastIntersection = 0; + for (int i = 0; i < segmentCount; ++i) { + outA = compare<edge>(points[i], t); + outB = compare<edge>(points[i+1], t); + + if (outA != outB) { + qreal intersection = flipped.tForY(segments[i], segments[i+1], t); + + if (outB) + addBezier(result, unflipped.getSubRange(lastIntersection, intersection)); + + lastIntersection = intersection; + } + } + + if (!outB) + addBezier(result, unflipped.getSubRange(lastIntersection, 1)); +} + +// clips a single subpath against a single edge +template <Edge edge> +QPainterPath clip(const QPainterPath &path, qreal t) +{ + QPainterPath result; + for (int i = 1; i < path.elementCount(); ++i) { + const QPainterPath::Element &element = path.elementAt(i); + Q_ASSERT(!element.isMoveTo()); + if (element.isLineTo()) { + clipLine<edge>(path.elementAt(i-1), path.elementAt(i), t, result); + } else { + clipBezier<edge>(path.elementAt(i-1), path.elementAt(i), path.elementAt(i+1), path.elementAt(i+2), t, result); + i += 2; + } + } + + int last = path.elementCount() - 1; + if (QPointF(path.elementAt(last)) != QPointF(path.elementAt(0))) + clipLine<edge>(path.elementAt(last), path.elementAt(0), t, result); + + return result; +} + +QPainterPath intersectPath(const QPainterPath &path, const QRectF &rect) +{ + QList<QPainterPath> subpaths = toSubpaths(path); + + QPainterPath result; + result.setFillRule(path.fillRule()); + for (int i = 0; i < subpaths.size(); ++i) { + QPainterPath subPath = subpaths.at(i); + QRectF bounds = subPath.boundingRect(); + if (bounds.intersects(rect)) { + if (bounds.left() < rect.left()) + subPath = clip<Left>(subPath, rect.left()); + if (bounds.right() > rect.right()) + subPath = clip<Right>(subPath, rect.right()); + + bounds = subPath.boundingRect(); + + if (bounds.top() < rect.top()) + subPath = clip<Top>(subPath, rect.top()); + if (bounds.bottom() > rect.bottom()) + subPath = clip<Bottom>(subPath, rect.bottom()); + + if (subPath.elementCount() > 1) + result.addPath(subPath); + } + } + return result; +} + +} + +QPainterPath QPathClipper::intersect(const QPainterPath &path, const QRectF &rect) +{ + return intersectPath(path, rect); +} + QT_END_NAMESPACE diff --git a/src/gui/painting/qpathclipper_p.h b/src/gui/painting/qpathclipper_p.h index b900862..b42dc1d 100644 --- a/src/gui/painting/qpathclipper_p.h +++ b/src/gui/painting/qpathclipper_p.h @@ -87,6 +87,7 @@ public: bool contains(); static bool pathToRect(const QPainterPath &path, QRectF *rect = 0); + static QPainterPath intersect(const QPainterPath &path, const QRectF &rect); private: Q_DISABLE_COPY(QPathClipper) diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp index dd516b1..dcf745f 100644 --- a/src/gui/painting/qpdf.cpp +++ b/src/gui/painting/qpdf.cpp @@ -1415,6 +1415,7 @@ void QPdfBaseEngine::setProperty(PrintEnginePropertyKey key, const QVariant &val case PPK_FullPage: d->fullPage = value.toBool(); break; + case PPK_CopyCount: // fallthrough case PPK_NumberOfCopies: d->copies = value.toInt(); break; @@ -1504,6 +1505,17 @@ QVariant QPdfBaseEngine::property(PrintEnginePropertyKey key) const case PPK_FullPage: ret = d->fullPage; break; + case PPK_CopyCount: + ret = d->copies; + break; + case PPK_SupportsMultipleCopies: +#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY) + if (QCUPSSupport::isAvailable()) + ret = true; + else +#endif + ret = false; + break; case PPK_NumberOfCopies: #if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY) if (QCUPSSupport::isAvailable()) diff --git a/src/gui/painting/qpdf_p.h b/src/gui/painting/qpdf_p.h index f79c5cc..9c4d05d 100644 --- a/src/gui/painting/qpdf_p.h +++ b/src/gui/painting/qpdf_p.h @@ -216,8 +216,6 @@ public: private: void updateClipPath(const QPainterPath & path, Qt::ClipOperation op); - - friend int qt_printerRealNumCopies(QPaintEngine *); }; class QPdfBaseEnginePrivate : public QAlphaPaintEnginePrivate diff --git a/src/gui/painting/qprintengine.h b/src/gui/painting/qprintengine.h index 35715fb..71ff954 100644 --- a/src/gui/painting/qprintengine.h +++ b/src/gui/painting/qprintengine.h @@ -86,6 +86,8 @@ public: PPK_PaperSources, PPK_CustomPaperSize, PPK_PageMargins, + PPK_CopyCount, + PPK_SupportsMultipleCopies, PPK_PaperSize = PPK_PageSize, PPK_CustomBase = 0xff00 diff --git a/src/gui/painting/qprintengine_mac.mm b/src/gui/painting/qprintengine_mac.mm index 7195c63..3d5d1d5 100644 --- a/src/gui/painting/qprintengine_mac.mm +++ b/src/gui/painting/qprintengine_mac.mm @@ -685,6 +685,7 @@ void QMacPrintEngine::setProperty(PrintEnginePropertyKey key, const QVariant &va case PPK_FullPage: d->fullPage = value.toBool(); break; + case PPK_CopyCount: // fallthrough case PPK_NumberOfCopies: PMSetCopies(d->settings, value.toInt(), false); break; @@ -787,6 +788,15 @@ QVariant QMacPrintEngine::property(PrintEnginePropertyKey key) const case PPK_NumberOfCopies: ret = 1; break; + case PPK_CopyCount: { + UInt32 copies = 1; + PMGetCopies(d->settings, &copies); + ret = (uint) copies; + break; + } + case PPK_SupportsMultipleCopies: + ret = true; + break; case PPK_Orientation: PMOrientation orientation; PMGetOrientation(d->format, &orientation); diff --git a/src/gui/painting/qprintengine_qws.cpp b/src/gui/painting/qprintengine_qws.cpp index 2d355b8..396d712 100644 --- a/src/gui/painting/qprintengine_qws.cpp +++ b/src/gui/painting/qprintengine_qws.cpp @@ -268,9 +268,13 @@ QVariant QtopiaPrintEngine::property(PrintEnginePropertyKey key) const case PPK_FullPage: ret = d->fullPage; break; + case PPK_CopyCount: // fallthrough case PPK_NumberOfCopies: ret = d->numCopies; break; + case PPK_SupportsMultipleCopies: + ret = false; + break; case PPK_Orientation: ret = d->orientation; break; @@ -329,6 +333,7 @@ void QtopiaPrintEngine::setProperty(PrintEnginePropertyKey key, const QVariant & case PPK_FullPage: d->fullPage = value.toBool(); break; + case PPK_CopyCount: // fallthrough case PPK_NumberOfCopies: d->numCopies = value.toInt(); break; diff --git a/src/gui/painting/qprintengine_win.cpp b/src/gui/painting/qprintengine_win.cpp index 374bfa0..d029b1e 100644 --- a/src/gui/painting/qprintengine_win.cpp +++ b/src/gui/painting/qprintengine_win.cpp @@ -1240,6 +1240,7 @@ void QWin32PrintEngine::setProperty(PrintEnginePropertyKey key, const QVariant & d->updateOrigin(); break; + case PPK_CopyCount: // fallthrough case PPK_NumberOfCopies: if (!d->devMode) break; @@ -1406,6 +1407,14 @@ QVariant QWin32PrintEngine::property(PrintEnginePropertyKey key) const value = d->fullPage; break; + case PPK_CopyCount: + value = d->num_copies; + break; + + case PPK_SupportsMultipleCopies: + value = true; + break; + case PPK_NumberOfCopies: value = 1; break; diff --git a/src/gui/painting/qprintengine_win_p.h b/src/gui/painting/qprintengine_win_p.h index a3271cb..d435831 100644 --- a/src/gui/painting/qprintengine_win_p.h +++ b/src/gui/painting/qprintengine_win_p.h @@ -108,7 +108,6 @@ public: private: friend class QPrintDialog; friend class QPageSetupDialog; - friend int qt_printerRealNumCopies(QPaintEngine *); }; class QWin32PrintEnginePrivate : public QAlphaPaintEnginePrivate diff --git a/src/gui/painting/qprinter.cpp b/src/gui/painting/qprinter.cpp index 4d2b50a..edf224d 100644 --- a/src/gui/painting/qprinter.cpp +++ b/src/gui/painting/qprinter.cpp @@ -158,27 +158,6 @@ QSizeF qt_printerPaperSize(QPrinter::Orientation orientation, (qt_paperSizes[paperSize][height_index] * 72 / 25.4) / multiplier); } - -// returns the actual num copies set on a printer, not -// the number that is documented in QPrinter::numCopies() -int qt_printerRealNumCopies(QPaintEngine *engine) -{ - int numCopies = 1; - if (engine->type() == QPaintEngine::PostScript - || engine->type() == QPaintEngine::Pdf) - { - QPdfBaseEngine *base = static_cast<QPdfBaseEngine *>(engine); - numCopies = base->d_func()->copies; - } -#ifdef Q_WS_WIN - else if (engine->type() == QPaintEngine::Windows) { - QWin32PrintEngine *base = static_cast<QWin32PrintEngine *>(engine); - numCopies = base->d_func()->num_copies; - } -#endif - return numCopies; -} - void QPrinterPrivate::createDefaultEngines() { QPrinter::OutputFormat realOutputFormat = outputFormat; @@ -302,7 +281,7 @@ void QPrinterPrivate::addToManualSetList(QPrintEngine::PrintEnginePropertyKey ke printer to provide, in dots per inch (DPI). \i setFullPage() tells QPrinter whether you want to deal with the full page or just with the part the printer can draw on. - \i setNumCopies() tells QPrinter how many copies of the document + \i setCopyCount() tells QPrinter how many copies of the document it should print. \endlist @@ -748,7 +727,6 @@ void QPrinter::setOutputFormat(OutputFormat format) d->outputFormat = format; QPrintEngine *oldPrintEngine = d->printEngine; - QPaintEngine *oldPaintEngine = d->paintEngine; // same as the above - shouldn't be deleted const bool def_engine = d->use_default_engine; d->printEngine = 0; @@ -761,7 +739,7 @@ void QPrinter::setOutputFormat(OutputFormat format) // PPK_NumberOfCopies need special treatmeant since it in most cases // will return 1, disregarding the actual value that was set if (key == QPrintEngine::PPK_NumberOfCopies) - prop = QVariant(qt_printerRealNumCopies(oldPaintEngine)); + prop = QVariant(copyCount()); else prop = oldPrintEngine->property(key); if (prop.isValid()) @@ -1263,6 +1241,7 @@ QPrinter::ColorMode QPrinter::colorMode() const /*! + \obsolete Returns the number of copies to be printed. The default value is 1. On Windows, Mac OS X and X11 systems that support CUPS, this will always @@ -1275,6 +1254,8 @@ QPrinter::ColorMode QPrinter::colorMode() const buffering up the copies and in those cases the application must make an explicit call to the print code for each copy. + Use copyCount() in conjunction with supportsMultipleCopies() instead. + \sa setNumCopies(), actualNumCopies() */ @@ -1286,6 +1267,7 @@ int QPrinter::numCopies() const /*! + \obsolete \since 4.6 Returns the number of copies that will be printed. The default @@ -1294,22 +1276,26 @@ int QPrinter::numCopies() const This function always returns the actual value specified in the print dialog or using setNumCopies(). + Use copyCount() instead. + \sa setNumCopies(), numCopies() */ int QPrinter::actualNumCopies() const { - Q_D(const QPrinter); - return qt_printerRealNumCopies(d->paintEngine); + return copyCount(); } /*! + \obsolete Sets the number of copies to be printed to \a numCopies. The printer driver reads this setting and prints the specified number of copies. + Use setCopyCount() instead. + \sa numCopies() */ @@ -1321,6 +1307,58 @@ void QPrinter::setNumCopies(int numCopies) d->addToManualSetList(QPrintEngine::PPK_NumberOfCopies); } +/*! + \since 4.7 + + Sets the number of copies to be printed to \a count. + + The printer driver reads this setting and prints the specified number of + copies. + + \sa copyCount(), supportsMultipleCopies() +*/ + +void QPrinter::setCopyCount(int count) +{ + Q_D(QPrinter); + ABORT_IF_ACTIVE("QPrinter::setCopyCount;"); + d->printEngine->setProperty(QPrintEngine::PPK_CopyCount, count); + d->addToManualSetList(QPrintEngine::PPK_CopyCount); +} + +/*! + \since 4.7 + + Returns the number of copies that will be printed. The default value is 1. + + \sa setCopyCount(), supportsMultipleCopies() +*/ + +int QPrinter::copyCount() const +{ + Q_D(const QPrinter); + return d->printEngine->property(QPrintEngine::PPK_CopyCount).toInt(); +} + +/*! + \since 4.7 + + Returns true if the printer supports printing multiple copies of the same + document in one job; otherwise false is returned. + + On most systems this function will return true. However, on X11 systems + that do not support CUPS, this function will return false. That means the + application has to handle the number of copies by printing the same + document the required number of times. + + \sa setCopyCount(), copyCount() +*/ + +bool QPrinter::supportsMultipleCopies() const +{ + Q_D(const QPrinter); + return d->printEngine->property(QPrintEngine::PPK_SupportsMultipleCopies).toBool(); +} /*! \since 4.1 @@ -2262,8 +2300,8 @@ bool QPrinter::isOptionEnabled( PrinterOption option ) const \value PPK_FullPage A boolean describing if the printer should be full page or not. - \value PPK_NumberOfCopies An integer specifying the number of - copies + \value PPK_NumberOfCopies Obsolete. An integer specifying the number of + copies. Use PPK_CopyCount instead. \value PPK_Orientation Specifies a QPrinter::Orientation value. @@ -2310,6 +2348,11 @@ bool QPrinter::isOptionEnabled( PrinterOption option ) const \value PPK_PageMargins A QList<QVariant> containing the left, top, right and bottom margin values. + \value PPK_CopyCount An integer specifying the number of copies to print. + + \value PPK_SupportsMultipleCopies A boolean value indicating whether or not + the printer supports printing multiple copies in one job. + \value PPK_CustomBase Basis for extension. */ diff --git a/src/gui/painting/qprinter.h b/src/gui/painting/qprinter.h index 5aa891e..6636179 100644 --- a/src/gui/painting/qprinter.h +++ b/src/gui/painting/qprinter.h @@ -199,6 +199,10 @@ public: int actualNumCopies() const; + void setCopyCount(int); + int copyCount() const; + bool supportsMultipleCopies() const; + void setPaperSource(PaperSource); PaperSource paperSource() const; diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp index 7b7f325..cf3957b 100644 --- a/src/gui/painting/qtextureglyphcache.cpp +++ b/src/gui/painting/qtextureglyphcache.cpp @@ -55,29 +55,42 @@ QT_BEGIN_NAMESPACE // #define CACHE_DEBUG -void QTextureGlyphCache::populate(const QTextItemInt &ti, - const QVarLengthArray<glyph_t> &glyphs, - const QVarLengthArray<QFixedPoint> &) +// returns the highest number closest to v, which is a power of 2 +// NB! assumes 32 bit ints +int qt_next_power_of_two(int v) +{ + v--; + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + ++v; + return v; +} + +void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs, + const QFixedPoint *) { #ifdef CACHE_DEBUG printf("Populating with '%s'\n", QString::fromRawData(ti.chars, ti.num_chars).toLatin1().data()); qDebug() << " -> current transformation: " << m_transform; #endif - m_current_textitem = &ti; + m_current_fontengine = fontEngine; const int margin = glyphMargin(); QHash<glyph_t, Coord> listItemCoordinates; int rowHeight = 0; // check each glyph for its metrics and get the required rowHeight. - for (int i=0; i < glyphs.size(); ++i) { + for (int i=0; i < numGlyphs; ++i) { const glyph_t glyph = glyphs[i]; if (coords.contains(glyph)) continue; if (listItemCoordinates.contains(glyph)) continue; - glyph_metrics_t metrics = ti.fontEngine->boundingBox(glyph, m_transform); + glyph_metrics_t metrics = fontEngine->boundingBox(glyph, m_transform); #ifdef CACHE_DEBUG printf("'%c' (%4x): w=%.2f, h=%.2f, xoff=%.2f, yoff=%.2f, x=%.2f, y=%.2f, ti.ascent=%.2f, ti.descent=%.2f\n", @@ -116,7 +129,7 @@ void QTextureGlyphCache::populate(const QTextItemInt &ti, rowHeight += margin * 2; if (isNull()) - createCache(QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH, rowHeight); + createCache(QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH, qt_next_power_of_two(rowHeight)); // now actually use the coords and paint the wanted glyps into cache. QHash<glyph_t, Coord>::iterator iter = listItemCoordinates.begin(); @@ -129,13 +142,9 @@ void QTextureGlyphCache::populate(const QTextItemInt &ti, m_cy = m_h; } if (m_cy + c.h > m_h) { - int new_height; - if (m_cx == 0) { // add a whole row - new_height = m_h + rowHeight; - m_cy = m_h; - } else { // just extend row - new_height = m_cy + rowHeight; - } + int new_height = m_h*2; + while (new_height < m_cy + c.h) + new_height *= 2; // if no room in the current texture - realloc a larger texture resizeTextureData(m_w, new_height); m_h = new_height; @@ -182,7 +191,7 @@ QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g) const break; }; - QFontEngineFT *ft = static_cast<QFontEngineFT*> (m_current_textitem->fontEngine); + QFontEngineFT *ft = static_cast<QFontEngineFT*> (m_current_fontengine); QFontEngineFT::QGlyphSet *gset = ft->loadTransformedGlyphSet(m_transform); if (gset && ft->loadGlyphs(gset, &g, 1, format)) { @@ -194,9 +203,9 @@ QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g) const } else #endif if (m_type == QFontEngineGlyphCache::Raster_RGBMask) - return m_current_textitem->fontEngine->alphaRGBMapForGlyph(g, glyphMargin(), m_transform); + return m_current_fontengine->alphaRGBMapForGlyph(g, glyphMargin(), m_transform); else - return m_current_textitem->fontEngine->alphaMapForGlyph(g, m_transform); + return m_current_fontengine->alphaMapForGlyph(g, m_transform); return QImage(); } diff --git a/src/gui/painting/qtextureglyphcache_p.h b/src/gui/painting/qtextureglyphcache_p.h index d347e61..803e71b 100644 --- a/src/gui/painting/qtextureglyphcache_p.h +++ b/src/gui/painting/qtextureglyphcache_p.h @@ -76,7 +76,9 @@ class Q_GUI_EXPORT QTextureGlyphCache : public QFontEngineGlyphCache { public: QTextureGlyphCache(QFontEngineGlyphCache::Type type, const QTransform &matrix) - : QFontEngineGlyphCache(matrix, type), m_w(0), m_h(0), m_cx(0), m_cy(0) { } + : QFontEngineGlyphCache(matrix, type), m_current_fontengine(0), + m_w(0), m_h(0), m_cx(0), m_cy(0) + { } virtual ~QTextureGlyphCache() { } @@ -90,9 +92,8 @@ public: int baseLineY; }; - void populate(const QTextItemInt &ti, - const QVarLengthArray<glyph_t> &glyphs, - const QVarLengthArray<QFixedPoint> &positions); + void populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs, + const QFixedPoint *positions); virtual void createTextureData(int width, int height) = 0; virtual void resizeTextureData(int width, int height) = 0; @@ -113,7 +114,7 @@ public: QImage textureMapForGlyph(glyph_t g) const; protected: - const QTextItemInt *m_current_textitem; + QFontEngine *m_current_fontengine; int m_w; // image width int m_h; // image height |