QPainterReplayer Class Reference

#include <qpaintbuffer_p.h>

Inheritance diagram for QPainterReplayer:

Public Functions
virtual void	process (const QPaintBufferCommand &cmd)
void	processCommands (const QPaintBuffer &buffer, QPainter *painter, int begin, int end)
	QPainterReplayer ()
void	setupTransform (QPainter *painter)
virtual	~QPainterReplayer ()

Protected Variables
QPaintBufferPrivate *	d
QTransform	m_world_matrix
QPainter *	painter

Detailed Description

Definition at line 319 of file qpaintbuffer_p.h.

Constructors and Destructors

QPainterReplayer()

QPainterReplayer::QPainterReplayer ( )

inline

Definition at line 322 of file qpaintbuffer_p.h.

{ }

~QPainterReplayer()

virtual QPainterReplayer::~QPainterReplayer ( )

inlinevirtual

Definition at line 324 of file qpaintbuffer_p.h.

{ }

Functions

process()

void QPainterReplayer::process ( const QPaintBufferCommand &  cmd )

virtual

Reimplemented in QPaintEngineExReplayer.

Definition at line 1403 of file qpaintbuffer.cpp.

Referenced by QPaintEngineExReplayer::process().

{
    switch (cmd.id) {
    case QPaintBufferPrivate::Cmd_Save: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_Save";
#endif
        painter->save();
        break; }

    case QPaintBufferPrivate::Cmd_Restore: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_Restore";
#endif
        painter->restore();
        break; }

    case QPaintBufferPrivate::Cmd_SetPen: {
        QPen pen = qvariant_cast<QPen>(d->variants.at(cmd.offset));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetPen: " << pen;
#endif
        painter->setPen(pen);
        break; }

    case QPaintBufferPrivate::Cmd_SetBrush: {
        QBrush brush = qvariant_cast<QBrush>(d->variants.at(cmd.offset));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetBrush: " << brush;
#endif
        painter->setBrush(brush);
        break; }

    case QPaintBufferPrivate::Cmd_SetBrushOrigin: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetBrushOrigin: " << d->variants.at(cmd.offset).toPointF();
#endif
        painter->setBrushOrigin(d->variants.at(cmd.offset).toPointF());
        break; }

    case QPaintBufferPrivate::Cmd_SetTransform: {
        QTransform xform = qvariant_cast<QTransform>(d->variants.at(cmd.offset));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetTransform, offset: " << cmd.offset << xform;
#endif
        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
        qDebug() << " -> Cmd_SetCompositionMode, mode: " << mode;
#endif
        painter->setCompositionMode(mode);
        break; }

    case QPaintBufferPrivate::Cmd_SetRenderHints: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetRenderHints, hints: " << cmd.extra;
#endif
        QPainter::RenderHints ph = painter->renderHints();
        QPainter::RenderHints nh = (QPainter::RenderHints) cmd.extra;
        QPainter::RenderHints xored = ph ^ nh;
        if (xored & QPainter::Antialiasing)
            painter->setRenderHint(QPainter::Antialiasing, nh & QPainter::Antialiasing);
        if (xored & QPainter::HighQualityAntialiasing)
            painter->setRenderHint(QPainter::HighQualityAntialiasing, nh & QPainter::HighQualityAntialiasing);
        if (xored & QPainter::TextAntialiasing)
            painter->setRenderHint(QPainter::TextAntialiasing, nh & QPainter::TextAntialiasing);
        if (xored & QPainter::SmoothPixmapTransform)
            painter->setRenderHint(QPainter::SmoothPixmapTransform, nh & QPainter::SmoothPixmapTransform);
        if (xored & QPainter::NonCosmeticDefaultPen)
            painter->setRenderHint(QPainter::NonCosmeticDefaultPen, nh & QPainter::NonCosmeticDefaultPen);
        break; }

    case QPaintBufferPrivate::Cmd_SetOpacity: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetOpacity: " << d->variants.at(cmd.offset).toDouble();
#endif
        painter->setOpacity(d->variants.at(cmd.offset).toDouble());
        break; }

    case QPaintBufferPrivate::Cmd_SetBackgroundMode: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetBackgroundMode: " << cmd.extra;
#endif
        painter->setBackgroundMode((Qt::BGMode)cmd.extra);
        break; }

    case QPaintBufferPrivate::Cmd_DrawVectorPath: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawVectorPath: size: " << cmd.size
//                 << ", hints:" << d->ints[cmd.offset2+cmd.size]
                 << "pts/elms:" << cmd.offset << cmd.offset2;
#endif
        QVectorPathCmd path(d, cmd);
        painter->drawPath(path().convertToPainterPath());
        break; }

    case QPaintBufferPrivate::Cmd_StrokeVectorPath: {
        QPen pen = qvariant_cast<QPen>(d->variants.at(cmd.extra));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_StrokeVectorPath: size: " << cmd.size
//                 << ", hints:" << d->ints[cmd.offset2+cmd.size]
                 << "pts/elms:" << cmd.offset << cmd.offset2;
#endif
        QVectorPathCmd path(d, cmd);
        painter->strokePath(path().convertToPainterPath(), pen);
        break; }

    case QPaintBufferPrivate::Cmd_FillVectorPath: {
        QBrush brush = qvariant_cast<QBrush>(d->variants.at(cmd.extra));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_FillVectorPath: size: " << cmd.size
//                 << ", hints:" << d->ints[cmd.offset2+cmd.size]
                 << "pts/elms:" << cmd.offset << cmd.offset2 << brush;
#endif
        QVectorPathCmd path(d, cmd);
        painter->fillPath(path().convertToPainterPath(), brush);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPolygonF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPolygonF, offset: " << cmd.offset << " size: " << cmd.size
                 << " mode: " << cmd.extra
                 << d->floats.at(cmd.offset)
                 << d->floats.at(cmd.offset+1);
#endif
        Qt::FillRule fill = (QPaintEngine::PolygonDrawMode) cmd.extra == QPaintEngine::OddEvenMode
                            ? Qt::OddEvenFill : Qt::WindingFill;
        painter->drawPolygon((QPointF *) (d->floats.constData() + cmd.offset), cmd.size, fill);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPolygonI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPolygonI, offset: " << cmd.offset << " size: " << cmd.size
                 << " mode: " << cmd.extra
                 << d->ints.at(cmd.offset)
                 << d->ints.at(cmd.offset+1);
#endif
        Qt::FillRule fill = (QPaintEngine::PolygonDrawMode) cmd.extra == QPaintEngine::OddEvenMode
                            ? Qt::OddEvenFill : Qt::WindingFill;
        painter->drawPolygon((QPoint *) (d->ints.constData() + cmd.offset), cmd.size, fill);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPolylineF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPolylineF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawPolyline((QPointF *) (d->floats.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPolylineI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPolylineI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawPolyline((QPoint *) (d->ints.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawConvexPolygonF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawConvexPolygonF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawConvexPolygon((QPointF *) (d->floats.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawConvexPolygonI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawConvexPolygonI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawConvexPolygon((QPoint *) (d->ints.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawEllipseF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawEllipseF, offset: " << cmd.offset;
#endif
        painter->drawEllipse(*(QRectF *)(d->floats.constData() + cmd.offset));
        break; }

    case QPaintBufferPrivate::Cmd_DrawEllipseI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawEllipseI, offset: " << cmd.offset;
#endif
        painter->drawEllipse(*(QRect *)(d->ints.constData() + cmd.offset));
        break; }

    case QPaintBufferPrivate::Cmd_DrawLineF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawLineF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawLines((QLineF *)(d->floats.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawLineI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawLineI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawLines((QLine *)(d->ints.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPointsF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPointsF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawPoints((QPointF *)(d->floats.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPointsI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPointsI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
        painter->drawPoints((QPoint *)(d->ints.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPixmapRect: {
        QPixmap pm(d->variants.at(cmd.offset).value<QPixmap>());
        QRectF r(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1),
                 d->floats.at(cmd.extra+2), d->floats.at(cmd.extra+3));

        QRectF sr(d->floats.at(cmd.extra+4), d->floats.at(cmd.extra+5),
                  d->floats.at(cmd.extra+6), d->floats.at(cmd.extra+7));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPixmapRect:" << r << sr;
#endif
        painter->drawPixmap(r, pm, sr);
        break; }

    case QPaintBufferPrivate::Cmd_DrawPixmapPos: {
        QPixmap pm(d->variants.at(cmd.offset).value<QPixmap>());
        QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawPixmapPos:" << pos;
#endif
        painter->drawPixmap(pos, pm);
        break; }

    case QPaintBufferPrivate::Cmd_DrawTiledPixmap: {
        QPixmap pm(d->variants.at(cmd.offset).value<QPixmap>());
        QRectF r(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1),
                 d->floats.at(cmd.extra+2), d->floats.at(cmd.extra+3));

        QPointF offset(d->floats.at(cmd.extra+4), d->floats.at(cmd.extra+5));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawTiledPixmap:" << r << offset;
#endif
        painter->drawTiledPixmap(r, pm, offset);
        break; }

    case QPaintBufferPrivate::Cmd_DrawImageRect: {
        QImage image(d->variants.at(cmd.offset).value<QImage>());
        QRectF r(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1),
                 d->floats.at(cmd.extra+2), d->floats.at(cmd.extra+3));
        QRectF sr(d->floats.at(cmd.extra+4), d->floats.at(cmd.extra+5),
                  d->floats.at(cmd.extra+6), d->floats.at(cmd.extra+7));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawImageRect:" << r << sr;
#endif
        painter->drawImage(r, image, sr);
        break; }

    case QPaintBufferPrivate::Cmd_DrawImagePos: {
        QImage image(d->variants.at(cmd.offset).value<QImage>());
        QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawImagePos:" << pos;
#endif
        painter->drawImage(pos, image);
        break; }

    case QPaintBufferPrivate::Cmd_DrawRectF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawRectF, offset: " << cmd.offset;
#endif
        painter->drawRects((QRectF *)(d->floats.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_DrawRectI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawRectI, offset: " << cmd.offset;
#endif
        painter->drawRects((QRect *)(d->ints.constData() + cmd.offset), cmd.size);
        break; }

    case QPaintBufferPrivate::Cmd_FillRectBrush: {
        QBrush brush = qvariant_cast<QBrush>(d->variants.at(cmd.extra));
        QRectF *rect = (QRectF *)(d->floats.constData() + cmd.offset);
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_FillRectBrush, offset: " << cmd.offset << " rect: " << *rect << " brush: " << brush;
#endif
        painter->fillRect(*rect, brush);
        break; }

    case QPaintBufferPrivate::Cmd_FillRectColor: {
        QColor color = qvariant_cast<QColor>(d->variants.at(cmd.extra));
        QRectF *rect = (QRectF *)(d->floats.constData() + cmd.offset);
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_FillRectBrush, offset: " << cmd.offset << " rect: " << *rect << " color: " << color;
#endif
        painter->fillRect(*rect, color);
        break; }

    case QPaintBufferPrivate::Cmd_SetClipEnabled: {
        bool clipEnabled = d->variants.at(cmd.offset).toBool();
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SetClipEnabled:" << clipEnabled;
#endif
        painter->setClipping(clipEnabled);
        break; }

    case QPaintBufferPrivate::Cmd_ClipVectorPath: {
        QVectorPathCmd path(d, cmd);
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_ClipVectorPath:" << path().elementCount();
#endif
        painter->setClipPath(path().convertToPainterPath(), Qt::ClipOperation(cmd.extra));
        break; }


    case QPaintBufferPrivate::Cmd_ClipRect: {
        QRect rect(QPoint(d->ints.at(cmd.offset), d->ints.at(cmd.offset + 1)),
                   QPoint(d->ints.at(cmd.offset + 2), d->ints.at(cmd.offset + 3)));
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_ClipRect:" << rect << cmd.extra;
#endif
        painter->setClipRect(rect, Qt::ClipOperation(cmd.extra));
        break; }

    case QPaintBufferPrivate::Cmd_ClipRegion: {
        QRegion region(d->variants.at(cmd.offset).value<QRegion>());
#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_ClipRegion:" << region.boundingRect() << cmd.extra;
#endif
        painter->setClipRegion(region, Qt::ClipOperation(cmd.extra));
        break; }
        
#if !defined(QT_NO_RAWFONT)
    case QPaintBufferPrivate::Cmd_DrawStaticText: {
            
            QVariantList variants(d->variants.at(cmd.offset).value<QVariantList>());
            
            QFont font = variants.at(0).value<QFont>();

            QVector<quint32> glyphIndexes;
            QVector<QPointF> positions;

            for (int i=0; i<(variants.size() - 1) / 2; ++i) {
                glyphIndexes.append(variants.at(i*2 + 1).toUInt());
                positions.append(variants.at(i*2 + 2).toPointF());
            }

            painter->setFont(font);

            QRawFont rawFont;
            QRawFontPrivate *rawFontD = QRawFontPrivate::get(rawFont);
            QFontPrivate *fontD = QFontPrivate::get(font);
            rawFontD->fontEngine = fontD->engineForScript(QUnicodeTables::Common);
            rawFontD->fontEngine->ref.ref();

            QGlyphRun glyphs;
            glyphs.setRawFont(rawFont);
            glyphs.setGlyphIndexes(glyphIndexes);
            glyphs.setPositions(positions);

            painter->drawGlyphRun(QPointF(), glyphs);
            break;
    }
#endif

    case QPaintBufferPrivate::Cmd_DrawText: {
        QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
        QList<QVariant> variants(d->variants.at(cmd.offset).value<QList<QVariant> >());

        QFont font(variants.at(0).value<QFont>());
        QString text(variants.at(1).value<QString>());

        painter->setFont(font);
        painter->drawText(pos, text);
        break; }

    case QPaintBufferPrivate::Cmd_DrawTextItem: {
        QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
        QTextItemIntCopy *tiCopy = reinterpret_cast<QTextItemIntCopy *>(qvariant_cast<void *>(d->variants.at(cmd.offset)));
        QTextItemInt &ti = (*tiCopy)();
        QString text(ti.text());

        QFont font(ti.font());
        font.setUnderline(false);
        font.setStrikeOut(false);
        font.setOverline(false);

        const QTextItemInt &si = static_cast<const QTextItemInt &>(ti);
        qreal justificationWidth = 0;
        if (si.justified)
            justificationWidth = si.width.toReal();
        qreal scaleFactor = font.d->dpi/qreal(qt_defaultDpiY());

#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_DrawTextItem:" << pos << " " << text << " " << scaleFactor;
#endif

        if (scaleFactor != 1.0) {
            QFont fnt(font);
            QFakeDevice fake;
            fake.setDpiX(qRound(scaleFactor*qt_defaultDpiX()));
            fake.setDpiY(qRound(scaleFactor*qt_defaultDpiY()));
            font = QFont(fnt, &fake);
        }

        int flags = Qt::TextSingleLine | Qt::TextDontClip | Qt::TextForceLeftToRight;
        QSizeF size(1, 1);
        if (justificationWidth > 0) {
            size.setWidth(justificationWidth);
            flags |= Qt::TextJustificationForced;
            flags |= Qt::AlignJustify;
        }

        QFontMetrics fm(font);
        QPointF pt(pos.x(), pos.y() - fm.ascent());
        qt_format_text(font, QRectF(pt, size), flags, /*opt*/0,
                       text, /*brect=*/0, /*tabstops=*/0, /*...*/0, /*tabarraylen=*/0, painter);
        break; }
    case QPaintBufferPrivate::Cmd_SystemStateChanged: {
        QRegion systemClip(d->variants.at(cmd.offset).value<QRegion>());

#ifdef QPAINTBUFFER_DEBUG_DRAW
        qDebug() << " -> Cmd_SystemStateChanged:" << systemClip;
#endif

        painter->paintEngine()->setSystemClip(systemClip);
        painter->paintEngine()->d_ptr->systemStateChanged();
        break; }
    }
}

processCommands()

void QPainterReplayer::processCommands	(	const QPaintBuffer &	buffer,
		QPainter *	painter,
		int	begin,
		int	end
	)

Definition at line 1381 of file qpaintbuffer.cpp.

Referenced by QPaintBuffer::processCommands().

{
    d = buffer.d_ptr;
    painter = p;

    for (int cmdIndex = begin; cmdIndex < end; ++cmdIndex) {
        const QPaintBufferCommand &cmd = d->commands.at(cmdIndex);
        process(cmd);
    }
}

setupTransform()

void QPainterReplayer::setupTransform

(

QPainter *

painter

)

Definition at line 1372 of file qpaintbuffer.cpp.

{
    painter = _painter;
    m_world_matrix = painter->transform();
    m_world_matrix.scale(qreal(painter->device()->logicalDpiX()) / qreal(qt_defaultDpiX()),
                         qreal(painter->device()->logicalDpiY()) / qreal(qt_defaultDpiY()));
    painter->setTransform(m_world_matrix);
}

Properties

d

QPaintBufferPrivate* QPainterReplayer::d

protected

Definition at line 331 of file qpaintbuffer_p.h.

m_world_matrix

QTransform QPainterReplayer::m_world_matrix

protected

Definition at line 332 of file qpaintbuffer_p.h.

painter

QPainter* QPainterReplayer::painter

protected

Definition at line 334 of file qpaintbuffer_p.h.

---

The documentation for this class was generated from the following files:

• /src/gui/painting/qpaintbuffer_p.h
• /src/gui/painting/qpaintbuffer.cpp