KoClipMaskPainter Class Reference

#include <KoClipMaskPainter.h>

Inheritance diagram for KoClipMaskPainter:

Public Member Functions
	KoClipMaskPainter (QPainter *painter, const QRectF &globalClipRect)
QPainter *	maskPainter ()
void	renderOnGlobalPainter ()
QPainter *	shapePainter ()
	~KoClipMaskPainter ()
Public Member Functions inherited from Private
	Private (KisCanvas2 *c)

Public Attributes
QRect	alignedGlobalClipRect
QPainter *	globalPainter
QImage	maskImage
QPainter	maskPainter
QImage	shapeImage
QPainter	shapePainter
Public Attributes inherited from Private
KisCanvas2 *	canvas
int	displayedFrame
int	intendedFrame

Private Attributes
const QScopedPointer< Private >	m_d

Detailed Description

Definition at line 28 of file KoClipMaskPainter.cpp.

Constructor & Destructor Documentation

KoClipMaskPainter()

KoClipMaskPainter::KoClipMaskPainter	(	QPainter *	painter,
		const QRectF &	globalClipRect )

Definition at line 41 of file KoClipMaskPainter.cpp.

    : m_d(new Private)
{
    m_d->globalPainter = painter;
    m_d->alignedGlobalClipRect = globalClipRect.toAlignedRect();
 
    if (!m_d->alignedGlobalClipRect.isValid()) {
        m_d->alignedGlobalClipRect = QRect();
    }
    m_d->shapeImage = QImage(m_d->alignedGlobalClipRect.size(), QImage::Format_ARGB32);
    m_d->maskImage = QImage(m_d->alignedGlobalClipRect.size(), QImage::Format_ARGB32);
 
    QTransform moveToBufferTransform =
        QTransform::fromTranslate(-m_d->alignedGlobalClipRect.x(),
                                  -m_d->alignedGlobalClipRect.y());
 
    m_d->shapePainter.begin(&m_d->shapeImage);
 
    m_d->shapePainter.save();
    m_d->shapePainter.setCompositionMode(QPainter::CompositionMode_Source);
    m_d->shapePainter.fillRect(QRect(QPoint(), m_d->alignedGlobalClipRect.size()), Qt::transparent);
    m_d->shapePainter.restore();
 
    m_d->shapePainter.setTransform(moveToBufferTransform);
    m_d->shapePainter.setTransform(painter->transform(), true);
    if (painter->hasClipping()) {
        m_d->shapePainter.setClipPath(painter->clipPath());
    }
    m_d->shapePainter.setOpacity(painter->opacity());
    m_d->shapePainter.setBrush(painter->brush());
    m_d->shapePainter.setPen(painter->pen());
 
    m_d->maskPainter.begin(&m_d->maskImage);
 
    m_d->maskPainter.save();
    m_d->maskPainter.setCompositionMode(QPainter::CompositionMode_Source);
    m_d->maskPainter.fillRect(QRect(QPoint(), m_d->alignedGlobalClipRect.size()), Qt::transparent);
    m_d->maskPainter.restore();
 
    m_d->maskPainter.setTransform(moveToBufferTransform);
    m_d->maskPainter.setTransform(painter->transform(), true);
    if (painter->hasClipping()) {
        m_d->maskPainter.setClipPath(painter->clipPath());
    }
    m_d->maskPainter.setOpacity(painter->opacity());
    m_d->maskPainter.setBrush(painter->brush());
    m_d->maskPainter.setPen(painter->pen());
 
 
 
}

References m_d.

~KoClipMaskPainter()

KoClipMaskPainter::~KoClipMaskPainter

(

)

Definition at line 93 of file KoClipMaskPainter.cpp.

{
}

Member Function Documentation

maskPainter()

QPainter * KoClipMaskPainter::maskPainter

(

)

renderOnGlobalPainter()

void KoClipMaskPainter::renderOnGlobalPainter

(

)

Definition at line 107 of file KoClipMaskPainter.cpp.

{
    KIS_ASSERT_RECOVER_RETURN(m_d->maskImage.size() == m_d->shapeImage.size());
 
    const int nPixels = m_d->maskImage.height() * m_d->maskImage.width();
 
    KoClipMaskApplicatorBase *applicator = KoClipMaskApplicatorFactory::createApplicator();
    applicator->applyLuminanceMask(m_d->shapeImage.bits(),
                                  m_d->maskImage.bits(),
                                  nPixels);
 
    KIS_ASSERT_RECOVER_RETURN(m_d->shapeImage.size() == m_d->alignedGlobalClipRect.size());
    QPainterPath globalClipPath;
 
    if (m_d->globalPainter->hasClipping()) {
        globalClipPath = m_d->globalPainter->transform().map(m_d->globalPainter->clipPath());
    }
 
    m_d->globalPainter->save();
 
    m_d->globalPainter->setTransform(QTransform());
 
    if (!globalClipPath.isEmpty()) {
        m_d->globalPainter->setClipPath(globalClipPath);
    }
 
    m_d->globalPainter->drawImage(m_d->alignedGlobalClipRect.topLeft(), m_d->shapeImage);
    m_d->globalPainter->restore();
}

References KoClipMaskApplicatorBase::applyLuminanceMask(), KoClipMaskApplicatorFactory::createApplicator(), KIS_ASSERT_RECOVER_RETURN, and m_d.

shapePainter()

QPainter * KoClipMaskPainter::shapePainter

(

)

Member Data Documentation

alignedGlobalClipRect

QRect KoClipMaskPainter::alignedGlobalClipRect

Definition at line 38 of file KoClipMaskPainter.cpp.

globalPainter

QPainter* KoClipMaskPainter::globalPainter

Definition at line 30 of file KoClipMaskPainter.cpp.

m_d

const QScopedPointer<Private> KoClipMaskPainter::m_d

private

Definition at line 32 of file KoClipMaskPainter.h.

maskImage

QImage KoClipMaskPainter::maskImage

Definition at line 33 of file KoClipMaskPainter.cpp.

maskPainter

QPainter * KoClipMaskPainter::maskPainter

Definition at line 36 of file KoClipMaskPainter.cpp.

shapeImage

QImage KoClipMaskPainter::shapeImage

Definition at line 32 of file KoClipMaskPainter.cpp.

shapePainter

QPainter * KoClipMaskPainter::shapePainter

Definition at line 35 of file KoClipMaskPainter.cpp.

---

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

• libs/flake/KoClipMaskPainter.cpp
• libs/flake/KoClipMaskPainter.h