#include <qgraphicsitem_p.h>

Public Functions
QTransform	computedFullTransform (QTransform *postmultiplyTransform=0) const

	TransformData ()

Public Variables
QList< QGraphicsTransform * >	graphicsTransforms

bool	onlyTransform

qreal	rotation

qreal	scale

QTransform	transform

qreal	xOrigin

qreal	yOrigin

Detailed Description

Definition at line 596 of file qgraphicsitem_p.h.

Constructors and Destructors

◆ TransformData()

QGraphicsItemPrivate::TransformData::TransformData ( )

inline

Definition at line 606 of file qgraphicsitem_p.h.

                     :
         scale(1.0), rotation(0.0),
         xOrigin(0.0), yOrigin(0.0),
         onlyTransform(true)
     { }

Functions

◆ computedFullTransform()

QTransform QGraphicsItemPrivate::TransformData::computedFullTransform ( QTransform * postmultiplyTransform = 0 ) const

inline

Definition at line 612 of file qgraphicsitem_p.h.

Referenced by QGraphicsItem::deviceTransform(), and QGraphicsItem::mouseMoveEvent().

     {
         if (onlyTransform) {
             if (!postmultiplyTransform || postmultiplyTransform->isIdentity())
                 return transform;
             if (transform.isIdentity())
                 return *postmultiplyTransform;
             return transform * *postmultiplyTransform;
         }
 
         QTransform x(transform);
         if (!graphicsTransforms.isEmpty()) {
             QMatrix4x4 m;
             for (int i = 0; i < graphicsTransforms.size(); ++i)
                 graphicsTransforms.at(i)->applyTo(&m);
             x *= m.toTransform();
         }
         x.translate(xOrigin, yOrigin);
         x.rotate(rotation);
         x.scale(scale, scale);
         x.translate(-xOrigin, -yOrigin);
         if (postmultiplyTransform)
             x *= *postmultiplyTransform;
         return x;
     }