KoMeshGradientBackground Class Reference

#include <KoMeshGradientBackground.h>

Inheritance diagram for KoMeshGradientBackground:

Classes
class	Private

Public Member Functions
bool	compareTo (const KoShapeBackground *other) const override
SvgMeshGradient *	gradient ()
	KoMeshGradientBackground (const KoMeshGradientBackground &)
	KoMeshGradientBackground (const SvgMeshGradient *gradient, const QTransform &matrix=QTransform())
KoMeshGradientBackground &	operator= (const KoMeshGradientBackground &)
void	paint (QPainter &painter, const QPainterPath &fillPath) const override
	Paints the background using the given fill path.
QTransform	transform ()
	~KoMeshGradientBackground ()
Public Member Functions inherited from KoShapeBackground
virtual bool	hasTransparency () const
	Returns if the background has some transparency.
	KoShapeBackground ()
virtual	operator bool () const
virtual	~KoShapeBackground ()

Private Attributes
QSharedDataPointer< Private >	d

Detailed Description

Definition at line 12 of file KoMeshGradientBackground.h.

Constructor & Destructor Documentation

KoMeshGradientBackground() [1/2]

KoMeshGradientBackground::KoMeshGradientBackground	(	const SvgMeshGradient *	gradient,
		const QTransform &	matrix = QTransform() )

Definition at line 43 of file KoMeshGradientBackground.cpp.

    : KoShapeBackground()
    , d(new Private)
{
    d->gradient.reset(new SvgMeshGradient(*gradient));
    d->matrix = matrix;
    Q_ASSERT(d->gradient);
}

References d, and gradient().

~KoMeshGradientBackground()

KoMeshGradientBackground::~KoMeshGradientBackground

(

)

Definition at line 52 of file KoMeshGradientBackground.cpp.

{
}

KoMeshGradientBackground() [2/2]

KoMeshGradientBackground::KoMeshGradientBackground

(

const KoMeshGradientBackground &

rhs

)

Definition at line 56 of file KoMeshGradientBackground.cpp.

    : d(new Private(*rhs.d))
{
}

Member Function Documentation

compareTo()

bool KoMeshGradientBackground::compareTo ( const KoShapeBackground * other ) const

overridevirtual

Implements KoShapeBackground.

Definition at line 105 of file KoMeshGradientBackground.cpp.

{
    return false;
}

gradient()

SvgMeshGradient * KoMeshGradientBackground::gradient

(

)

Definition at line 110 of file KoMeshGradientBackground.cpp.

{
    return d->gradient.data();
}

References d.

operator=()

KoMeshGradientBackground & KoMeshGradientBackground::operator=

(

const KoMeshGradientBackground &

rhs

)

Definition at line 60 of file KoMeshGradientBackground.cpp.

{
    d = rhs.d;
    return *this;
}

References d.

paint()

void KoMeshGradientBackground::paint ( QPainter & painter, const QPainterPath & fillPath ) const

overridevirtual

Paints the background using the given fill path.

Implements KoShapeBackground.

Definition at line 66 of file KoMeshGradientBackground.cpp.

{
    if (!d->gradient || !d->gradient->isValid())   return;
    painter.save();
 
    QScopedPointer<SvgMeshGradient> gradient(new SvgMeshGradient(*d->gradient));
 
    QRectF meshBoundingRect = gradient->boundingRect();
 
    if (gradient->gradientUnits() == KoFlake::ObjectBoundingBox) {
        const QTransform relativeToShape = KisAlgebra2D::mapToRect(fillPath.boundingRect());
        gradient->setTransform(relativeToShape);
        meshBoundingRect = gradient->boundingRect();
    }
 
    if (d->renderer->patchImage()->isNull()) {
 
        d->renderer->configure(meshBoundingRect, painter.transform());
        SvgMeshArray *mesharray = gradient->getMeshArray().data();
 
        for (int row = 0; row < mesharray->numRows(); ++row) {
            for (int col = 0; col < mesharray->numColumns(); ++col) {
                SvgMeshPatch *patch = mesharray->getPatch(row, col);
                d->renderer->fillPatch(patch, gradient->type(), mesharray, row, col);
            }
        }
        // uncomment to debug
        //  d->renderer->patchImage()->save("mesh-patch.png");
    }
 
    painter.setClipPath(fillPath);
 
    // patch is to be drawn wrt. to "user" coordinates
    painter.drawImage(meshBoundingRect, *d->renderer->patchImage());
 
    painter.restore();
}

References SvgMeshGradient::boundingRect(), d, SvgMeshGradient::getMeshArray(), SvgMeshArray::getPatch(), gradient(), SvgMeshGradient::gradientUnits(), KisAlgebra2D::mapToRect(), SvgMeshArray::numColumns(), SvgMeshArray::numRows(), KoFlake::ObjectBoundingBox, SvgMeshGradient::setTransform(), and SvgMeshGradient::type().

transform()

QTransform KoMeshGradientBackground::transform

(

)

Definition at line 115 of file KoMeshGradientBackground.cpp.

{
    return d->matrix;
}

References d.

Member Data Documentation

d

QSharedDataPointer<Private> KoMeshGradientBackground::d

private

Definition at line 31 of file KoMeshGradientBackground.h.

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

• libs/flake/KoMeshGradientBackground.h
• libs/flake/KoMeshGradientBackground.cpp