CQCopasiEffect Class Reference

#include <CQCopasiEffect.h>

Inheritance diagram for CQCopasiEffect:

Collaboration diagram for CQCopasiEffect:

Public Member Functions
	CQCopasiEffect ()
void	setScale (qreal scale)
virtual	~CQCopasiEffect ()

Protected Member Functions
void	draw (QPainter *painter)

Protected Attributes
qreal	mScale

Detailed Description

Definition at line 13 of file CQCopasiEffect.h.

Constructor & Destructor Documentation

CQCopasiEffect::CQCopasiEffect

(

)

Definition at line 11 of file CQCopasiEffect.cpp.

  : mScale(1.0)
{
}

CQCopasiEffect::~CQCopasiEffect ( )

virtual

Definition at line 16 of file CQCopasiEffect.cpp.

{
}

Member Function Documentation

void CQCopasiEffect::draw ( QPainter *  painter )

protected

Definition at line 25 of file CQCopasiEffect.cpp.

References mScale.

{
  QPoint offset;
  const QPixmap pixmap = sourcePixmap(Qt::DeviceCoordinates, &offset);

  if (pixmap.isNull())
    return;

  painter->save();
  painter->setWorldTransform(QTransform());
  QRectF rect = pixmap.rect();

  QTransform trans = QTransform::fromScale(mScale, mScale);
  QPixmap transformed = pixmap.transformed(trans, Qt::SmoothTransformation);
  QRectF transRect = transformed.rect();

  QPointF newOffset = offset + (rect.center() - transRect.center());

  painter->drawPixmap(newOffset, transformed);
  painter->restore();
}

void CQCopasiEffect::setScale

(

qreal

scale

)

Definition at line 20 of file CQCopasiEffect.cpp.

References mScale.

Referenced by CQEffectDescription::applyToScene().

{
  mScale = scale;
}

Member Data Documentation

qreal CQCopasiEffect::mScale

protected

Definition at line 24 of file CQCopasiEffect.h.

Referenced by draw(), and setScale().

---

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

• CQCopasiEffect.h
• CQCopasiEffect.cpp