Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the demonstration applications of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef DEMO_ITEM_H
|
|
#define DEMO_ITEM_H
|
|
|
|
#include <QtGui>
|
|
|
|
class DemoItemAnimation;
|
|
class Guide;
|
|
|
|
class SharedImage
|
|
{
|
|
public:
|
|
SharedImage() : refCount(0), image(0), pixmap(0){};
|
|
~SharedImage()
|
|
{
|
|
delete image;
|
|
delete pixmap;
|
|
}
|
|
|
|
int refCount;
|
|
QImage *image;
|
|
QPixmap *pixmap;
|
|
QMatrix matrix;
|
|
QRectF unscaledBoundingRect;
|
|
};
|
|
|
|
class DemoItem : public QGraphicsItem
|
|
{
|
|
|
|
public:
|
|
DemoItem(QGraphicsScene *scene = 0, QGraphicsItem *parent = 0);
|
|
virtual ~DemoItem();
|
|
|
|
bool inTransition();
|
|
virtual void animationStarted(int id = 0){ Q_UNUSED(id); };
|
|
virtual void animationStopped(int id = 0){ Q_UNUSED(id); };
|
|
virtual void prepare(){};
|
|
void setRecursiveVisible(bool visible);
|
|
void useSharedImage(const QString &hashKey);
|
|
void setNeverVisible(bool never = true);
|
|
static void setMatrix(const QMatrix &matrix);
|
|
virtual QRectF boundingRect() const; // overridden
|
|
void setPosUsingSheepDog(const QPointF &dest, const QRectF &sceneFence);
|
|
|
|
qreal opacity;
|
|
bool locked;
|
|
DemoItemAnimation *currentAnimation;
|
|
bool noSubPixeling;
|
|
|
|
// Used if controlled by a guide:
|
|
void useGuide(Guide *guide, float startFrame = 0);
|
|
void guideAdvance(float distance);
|
|
void guideMove(float moveSpeed);
|
|
void setGuidedPos(const QPointF &position);
|
|
QPointF getGuidedPos();
|
|
float startFrame;
|
|
float guideFrame;
|
|
Guide *currGuide;
|
|
|
|
protected:
|
|
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option = 0, QWidget *widget = 0); // overridden
|
|
virtual QImage *createImage(const QMatrix &) const { return 0; };
|
|
virtual bool collidesWithItem(const QGraphicsItem *, Qt::ItemSelectionMode) const { return false; };
|
|
bool prepared;
|
|
|
|
private:
|
|
SharedImage *sharedImage;
|
|
QString hashKey;
|
|
bool neverVisible;
|
|
bool validateImage();
|
|
|
|
// Used if controlled by a guide:
|
|
void switchGuide(Guide *guide);
|
|
friend class Guide;
|
|
QPointF guidedPos;
|
|
|
|
// The next static hash is shared amongst all demo items, and
|
|
// has the purpose of reusing images to save memory and time
|
|
static QHash<QString, SharedImage *> sharedImageHash;
|
|
static QMatrix matrix;
|
|
};
|
|
|
|
#endif // DEMO_ITEM_H
|
|
|