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817 lines
20 KiB
817 lines
20 KiB
/**********************************************************************
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**
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** Definition of QCanvas classes
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**
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** Created : 991211
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**
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** Copyright (C) 1999-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the canvas module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QCANVAS_H
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#define QCANVAS_H
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#ifndef QT_H
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#include "qscrollview.h"
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#include "qpixmap.h"
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#include "qptrlist.h"
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#include "qbrush.h"
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#include "qpen.h"
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#include "qvaluelist.h"
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#include "qpointarray.h"
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#endif // QT_H
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#if !defined( QT_MODULE_CANVAS ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_CANVAS )
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#define QM_EXPORT_CANVAS
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#define QM_TEMPLATE_EXTERN_CANVAS
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#else
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#define QM_EXPORT_CANVAS Q_EXPORT
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#define QM_TEMPLATE_EXTERN_CANVAS Q_TEMPLATE_EXTERN
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#endif
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#ifndef QT_NO_CANVAS
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class QCanvasSprite;
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class QCanvasPolygonalItem;
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class QCanvasRectangle;
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class QCanvasPolygon;
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class QCanvasEllipse;
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class QCanvasText;
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class QCanvasLine;
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class QCanvasChunk;
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class QCanvas;
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class QCanvasItem;
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class QCanvasView;
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class QCanvasPixmap;
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#if defined(Q_TEMPLATEDLL) && ( !defined(Q_CC_BOR) || !defined(QT_MAKEDLL) || defined(Q_EXPORT_TEMPLATES) )
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// MOC_SKIP_BEGIN
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QM_TEMPLATE_EXTERN_CANVAS template class QM_EXPORT_CANVAS QValueListIterator< QCanvasItem* >;
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QM_TEMPLATE_EXTERN_CANVAS template class QM_EXPORT_CANVAS QValueList< QCanvasItem* >;
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// MOC_SKIP_END
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#endif
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class QM_EXPORT_CANVAS QCanvasItemList : public QValueList<QCanvasItem*> {
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public:
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void sort();
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void drawUnique( QPainter& painter );
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QCanvasItemList operator+(const QCanvasItemList &l) const;
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};
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class QCanvasItemExtra;
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class QM_EXPORT_CANVAS QCanvasItem : public Qt
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{
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public:
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QCanvasItem(QCanvas* canvas);
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virtual ~QCanvasItem();
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double x() const
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{ return myx; }
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double y() const
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{ return myy; }
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double z() const
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{ return myz; } // (depth)
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virtual void moveBy(double dx, double dy);
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void move(double x, double y);
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void setX(double a) { move(a,y()); }
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void setY(double a) { move(x(),a); }
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void setZ(double a) { myz=a; changeChunks(); }
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bool animated() const;
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virtual void setAnimated(bool y);
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virtual void setVelocity( double vx, double vy);
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void setXVelocity( double vx ) { setVelocity(vx,yVelocity()); }
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void setYVelocity( double vy ) { setVelocity(xVelocity(),vy); }
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double xVelocity() const;
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double yVelocity() const;
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virtual void advance(int stage);
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virtual bool collidesWith( const QCanvasItem* ) const=0;
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QCanvasItemList collisions(bool exact /* NO DEFAULT */ ) const;
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virtual void setCanvas(QCanvas*);
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virtual void draw(QPainter&)=0;
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void show();
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void hide();
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virtual void setVisible(bool yes);
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bool isVisible() const
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{ return (bool)vis; }
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virtual void setSelected(bool yes);
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bool isSelected() const
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{ return (bool)sel; }
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virtual void setEnabled(bool yes);
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bool isEnabled() const
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{ return (bool)ena; }
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virtual void setActive(bool yes);
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bool isActive() const
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{ return (bool)act; }
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#ifndef QT_NO_COMPAT
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bool visible() const
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{ return (bool)vis; }
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bool selected() const
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{ return (bool)sel; }
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bool enabled() const
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{ return (bool)ena; }
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bool active() const
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{ return (bool)act; }
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#endif
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enum RttiValues {
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Rtti_Item = 0,
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Rtti_Sprite = 1,
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Rtti_PolygonalItem = 2,
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Rtti_Text = 3,
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Rtti_Polygon = 4,
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Rtti_Rectangle = 5,
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Rtti_Ellipse = 6,
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Rtti_Line = 7,
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Rtti_Spline = 8
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};
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virtual int rtti() const;
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static int RTTI;
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virtual QRect boundingRect() const=0;
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virtual QRect boundingRectAdvanced() const;
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QCanvas* canvas() const
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{ return cnv; }
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protected:
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void update() { changeChunks(); }
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private:
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// For friendly subclasses...
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friend class QCanvasPolygonalItem;
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friend class QCanvasSprite;
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friend class QCanvasRectangle;
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friend class QCanvasPolygon;
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friend class QCanvasEllipse;
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friend class QCanvasText;
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friend class QCanvasLine;
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virtual QPointArray chunks() const;
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virtual void addToChunks();
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virtual void removeFromChunks();
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virtual void changeChunks();
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virtual bool collidesWith( const QCanvasSprite*,
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const QCanvasPolygonalItem*,
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const QCanvasRectangle*,
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const QCanvasEllipse*,
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const QCanvasText* ) const = 0;
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// End of friend stuff
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QCanvas* cnv;
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static QCanvas* current_canvas;
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double myx,myy,myz;
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QCanvasItemExtra *ext;
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QCanvasItemExtra& extra();
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uint ani:1;
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uint vis:1;
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uint val:1;
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uint sel:1;
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uint ena:1;
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uint act:1;
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};
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class QCanvasData;
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class QM_EXPORT_CANVAS QCanvas : public QObject
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{
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Q_OBJECT
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public:
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QCanvas( QObject* parent = 0, const char* name = 0 );
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QCanvas(int w, int h);
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QCanvas( QPixmap p, int h, int v, int tilewidth, int tileheight );
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virtual ~QCanvas();
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virtual void setTiles( QPixmap tiles, int h, int v,
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int tilewidth, int tileheight );
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virtual void setBackgroundPixmap( const QPixmap& p );
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QPixmap backgroundPixmap() const;
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virtual void setBackgroundColor( const QColor& c );
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QColor backgroundColor() const;
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virtual void setTile( int x, int y, int tilenum );
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int tile( int x, int y ) const
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{ return grid[x+y*htiles]; }
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int tilesHorizontally() const
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{ return htiles; }
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int tilesVertically() const
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{ return vtiles; }
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int tileWidth() const
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{ return tilew; }
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int tileHeight() const
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{ return tileh; }
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virtual void resize(int width, int height);
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int width() const
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{ return awidth; }
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int height() const
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{ return aheight; }
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QSize size() const
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{ return QSize(awidth,aheight); }
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QRect rect() const
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{ return QRect( 0, 0, awidth, aheight ); }
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bool onCanvas( int x, int y ) const
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{ return x>=0 && y>=0 && x<awidth && y<aheight; }
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bool onCanvas( const QPoint& p ) const
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{ return onCanvas(p.x(),p.y()); }
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bool validChunk( int x, int y ) const
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{ return x>=0 && y>=0 && x<chwidth && y<chheight; }
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bool validChunk( const QPoint& p ) const
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{ return validChunk(p.x(),p.y()); }
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int chunkSize() const
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{ return chunksize; }
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virtual void retune(int chunksize, int maxclusters=100);
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bool sameChunk(int x1, int y1, int x2, int y2) const
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{ return x1/chunksize==x2/chunksize && y1/chunksize==y2/chunksize; }
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virtual void setChangedChunk(int i, int j);
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virtual void setChangedChunkContaining(int x, int y);
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virtual void setAllChanged();
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virtual void setChanged(const QRect& area);
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virtual void setUnchanged(const QRect& area);
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// These call setChangedChunk.
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void addItemToChunk(QCanvasItem*, int i, int j);
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void removeItemFromChunk(QCanvasItem*, int i, int j);
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void addItemToChunkContaining(QCanvasItem*, int x, int y);
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void removeItemFromChunkContaining(QCanvasItem*, int x, int y);
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QCanvasItemList allItems();
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QCanvasItemList collisions( const QPoint&) const;
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QCanvasItemList collisions( const QRect&) const;
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QCanvasItemList collisions( const QPointArray& pa, const QCanvasItem* item,
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bool exact) const;
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void drawArea(const QRect&, QPainter* p, bool double_buffer=FALSE);
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// These are for QCanvasView to call
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virtual void addView(QCanvasView*);
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virtual void removeView(QCanvasView*);
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void drawCanvasArea(const QRect&, QPainter* p=0, bool double_buffer=TRUE);
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void drawViewArea( QCanvasView* view, QPainter* p, const QRect& r, bool dbuf );
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// These are for QCanvasItem to call
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virtual void addItem(QCanvasItem*);
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virtual void addAnimation(QCanvasItem*);
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virtual void removeItem(QCanvasItem*);
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virtual void removeAnimation(QCanvasItem*);
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virtual void setAdvancePeriod(int ms);
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virtual void setUpdatePeriod(int ms);
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virtual void setDoubleBuffering(bool y);
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signals:
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void resized();
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public slots:
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virtual void advance();
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virtual void update();
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protected:
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virtual void drawBackground(QPainter&, const QRect& area);
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virtual void drawForeground(QPainter&, const QRect& area);
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private:
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void init(int w, int h, int chunksze=16, int maxclust=100);
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QCanvasChunk& chunk(int i, int j) const;
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QCanvasChunk& chunkContaining(int x, int y) const;
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QRect changeBounds(const QRect& inarea);
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void drawChanges(const QRect& inarea);
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QPixmap offscr;
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int awidth,aheight;
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int chunksize;
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int maxclusters;
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int chwidth,chheight;
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QCanvasChunk* chunks;
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QCanvasData* d;
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void initTiles(QPixmap p, int h, int v, int tilewidth, int tileheight);
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ushort *grid;
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ushort htiles;
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ushort vtiles;
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ushort tilew;
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ushort tileh;
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bool oneone;
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QPixmap pm;
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QTimer* update_timer;
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QColor bgcolor;
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bool debug_redraw_areas;
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bool dblbuf;
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friend void qt_unview(QCanvas* c);
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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QCanvas( const QCanvas & );
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QCanvas &operator=( const QCanvas & );
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#endif
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};
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class QCanvasViewData;
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class QM_EXPORT_CANVAS QCanvasView : public QScrollView
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{
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Q_OBJECT
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public:
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QCanvasView(QWidget* parent=0, const char* name=0, WFlags f=0);
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QCanvasView(QCanvas* viewing, QWidget* parent=0, const char* name=0, WFlags f=0);
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~QCanvasView();
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QCanvas* canvas() const
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{ return viewing; }
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void setCanvas(QCanvas* v);
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const QWMatrix &worldMatrix() const;
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const QWMatrix &inverseWorldMatrix() const;
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bool setWorldMatrix( const QWMatrix & );
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protected:
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void drawContents( QPainter*, int cx, int cy, int cw, int ch );
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QSize sizeHint() const;
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private:
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void drawContents( QPainter* );
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QCanvas* viewing;
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QCanvasViewData* d;
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friend void qt_unview(QCanvas* c);
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private slots:
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void cMoving(int,int);
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void updateContentsSize();
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private:
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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QCanvasView( const QCanvasView & );
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QCanvasView &operator=( const QCanvasView & );
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#endif
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};
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class QM_EXPORT_CANVAS QCanvasPixmap : public QPixmap
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{
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public:
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#ifndef QT_NO_IMAGEIO
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QCanvasPixmap(const QString& datafilename);
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#endif
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QCanvasPixmap(const QImage& image);
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QCanvasPixmap(const QPixmap&, const QPoint& hotspot);
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~QCanvasPixmap();
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int offsetX() const
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{ return hotx; }
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int offsetY() const
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{ return hoty; }
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void setOffset(int x, int y) { hotx = x; hoty = y; }
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private:
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#if defined(Q_DISABLE_COPY)
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QCanvasPixmap( const QCanvasPixmap & );
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QCanvasPixmap &operator=( const QCanvasPixmap & );
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#endif
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void init(const QImage&);
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void init(const QPixmap& pixmap, int hx, int hy);
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friend class QCanvasSprite;
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friend class QCanvasPixmapArray;
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friend bool qt_testCollision(const QCanvasSprite* s1, const QCanvasSprite* s2);
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int hotx,hoty;
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QImage* collision_mask;
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};
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class QM_EXPORT_CANVAS QCanvasPixmapArray
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{
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public:
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QCanvasPixmapArray();
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#ifndef QT_NO_IMAGEIO
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QCanvasPixmapArray(const QString& datafilenamepattern, int framecount=0);
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#endif
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// this form is deprecated
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QCanvasPixmapArray(QPtrList<QPixmap>, QPtrList<QPoint> hotspots);
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QCanvasPixmapArray(QValueList<QPixmap>, QPointArray hotspots = QPointArray() );
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~QCanvasPixmapArray();
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#ifndef QT_NO_IMAGEIO
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bool readPixmaps(const QString& datafilenamepattern, int framecount=0);
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bool readCollisionMasks(const QString& filenamepattern);
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#endif
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// deprecated
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bool operator!(); // Failure check.
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bool isValid() const;
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QCanvasPixmap* image(int i) const
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{ return img ? img[i] : 0; }
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void setImage(int i, QCanvasPixmap* p);
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uint count() const
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{ return (uint)framecount; }
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private:
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#if defined(Q_DISABLE_COPY)
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QCanvasPixmapArray( const QCanvasPixmapArray & );
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QCanvasPixmapArray &operator=( const QCanvasPixmapArray & );
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#endif
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#ifndef QT_NO_IMAGEIO
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bool readPixmaps(const QString& datafilenamepattern, int framecount, bool maskonly);
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#endif
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void reset();
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int framecount;
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QCanvasPixmap** img;
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};
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class QM_EXPORT_CANVAS QCanvasSprite : public QCanvasItem
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{
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public:
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QCanvasSprite(QCanvasPixmapArray* array, QCanvas* canvas);
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void setSequence(QCanvasPixmapArray* seq);
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virtual ~QCanvasSprite();
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void move(double x, double y);
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virtual void move(double x, double y, int frame);
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void setFrame(int);
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enum FrameAnimationType { Cycle, Oscillate };
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virtual void setFrameAnimation(FrameAnimationType=Cycle, int step=1, int state=0);
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int frame() const
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{ return frm; }
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int frameCount() const
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{ return images->count(); }
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int rtti() const;
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static int RTTI;
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bool collidesWith( const QCanvasItem* ) const;
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QRect boundingRect() const;
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// is there a reason for these to be protected? Lars
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//protected:
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int width() const;
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int height() const;
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int leftEdge() const;
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int topEdge() const;
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int rightEdge() const;
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int bottomEdge() const;
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int leftEdge(int nx) const;
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int topEdge(int ny) const;
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int rightEdge(int nx) const;
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int bottomEdge(int ny) const;
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QCanvasPixmap* image() const
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{ return images->image(frm); }
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virtual QCanvasPixmap* imageAdvanced() const;
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QCanvasPixmap* image(int f) const
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{ return images->image(f); }
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virtual void advance(int stage);
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public:
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void draw(QPainter& painter);
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private:
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#if defined(Q_DISABLE_COPY)
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QCanvasSprite( const QCanvasSprite & );
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QCanvasSprite &operator=( const QCanvasSprite & );
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#endif
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void addToChunks();
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void removeFromChunks();
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void changeChunks();
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int frm;
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ushort anim_val;
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uint anim_state:2;
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uint anim_type:14;
|
|
bool collidesWith( const QCanvasSprite*,
|
|
const QCanvasPolygonalItem*,
|
|
const QCanvasRectangle*,
|
|
const QCanvasEllipse*,
|
|
const QCanvasText* ) const;
|
|
|
|
friend bool qt_testCollision( const QCanvasSprite* s1,
|
|
const QCanvasSprite* s2 );
|
|
|
|
QCanvasPixmapArray* images;
|
|
};
|
|
|
|
class QPolygonalProcessor;
|
|
|
|
class QM_EXPORT_CANVAS QCanvasPolygonalItem : public QCanvasItem
|
|
{
|
|
public:
|
|
QCanvasPolygonalItem(QCanvas* canvas);
|
|
virtual ~QCanvasPolygonalItem();
|
|
|
|
bool collidesWith( const QCanvasItem* ) const;
|
|
|
|
virtual void setPen(QPen p);
|
|
virtual void setBrush(QBrush b);
|
|
|
|
QPen pen() const
|
|
{ return pn; }
|
|
QBrush brush() const
|
|
{ return br; }
|
|
|
|
virtual QPointArray areaPoints() const=0;
|
|
virtual QPointArray areaPointsAdvanced() const;
|
|
QRect boundingRect() const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void draw(QPainter &);
|
|
virtual void drawShape(QPainter &) = 0;
|
|
|
|
bool winding() const;
|
|
void setWinding(bool);
|
|
|
|
void invalidate();
|
|
bool isValid() const
|
|
{ return (bool)val; }
|
|
|
|
private:
|
|
void scanPolygon( const QPointArray& pa, int winding,
|
|
QPolygonalProcessor& process ) const;
|
|
QPointArray chunks() const;
|
|
|
|
bool collidesWith( const QCanvasSprite*,
|
|
const QCanvasPolygonalItem*,
|
|
const QCanvasRectangle*,
|
|
const QCanvasEllipse*,
|
|
const QCanvasText* ) const;
|
|
|
|
QBrush br;
|
|
QPen pn;
|
|
uint wind:1;
|
|
};
|
|
|
|
|
|
class QM_EXPORT_CANVAS QCanvasRectangle : public QCanvasPolygonalItem
|
|
{
|
|
public:
|
|
QCanvasRectangle(QCanvas* canvas);
|
|
QCanvasRectangle(const QRect&, QCanvas* canvas);
|
|
QCanvasRectangle(int x, int y, int width, int height, QCanvas* canvas);
|
|
|
|
~QCanvasRectangle();
|
|
|
|
int width() const;
|
|
int height() const;
|
|
void setSize(int w, int h);
|
|
QSize size() const
|
|
{ return QSize(w,h); }
|
|
QPointArray areaPoints() const;
|
|
QRect rect() const
|
|
{ return QRect(int(x()),int(y()),w,h); }
|
|
|
|
bool collidesWith( const QCanvasItem* ) const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
QPointArray chunks() const;
|
|
|
|
private:
|
|
bool collidesWith( const QCanvasSprite*,
|
|
const QCanvasPolygonalItem*,
|
|
const QCanvasRectangle*,
|
|
const QCanvasEllipse*,
|
|
const QCanvasText* ) const;
|
|
|
|
int w, h;
|
|
};
|
|
|
|
|
|
class QM_EXPORT_CANVAS QCanvasPolygon : public QCanvasPolygonalItem
|
|
{
|
|
public:
|
|
QCanvasPolygon(QCanvas* canvas);
|
|
~QCanvasPolygon();
|
|
void setPoints(QPointArray);
|
|
QPointArray points() const;
|
|
void moveBy(double dx, double dy);
|
|
|
|
QPointArray areaPoints() const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
QPointArray poly;
|
|
};
|
|
|
|
|
|
class QM_EXPORT_CANVAS QCanvasSpline : public QCanvasPolygon
|
|
{
|
|
public:
|
|
QCanvasSpline(QCanvas* canvas);
|
|
~QCanvasSpline();
|
|
|
|
void setControlPoints(QPointArray, bool closed=TRUE);
|
|
QPointArray controlPoints() const;
|
|
bool closed() const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
private:
|
|
void recalcPoly();
|
|
QPointArray bez;
|
|
bool cl;
|
|
};
|
|
|
|
|
|
class QM_EXPORT_CANVAS QCanvasLine : public QCanvasPolygonalItem
|
|
{
|
|
public:
|
|
QCanvasLine(QCanvas* canvas);
|
|
~QCanvasLine();
|
|
void setPoints(int x1, int y1, int x2, int y2);
|
|
|
|
QPoint startPoint() const
|
|
{ return QPoint(x1,y1); }
|
|
QPoint endPoint() const
|
|
{ return QPoint(x2,y2); }
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
void setPen(QPen p);
|
|
void moveBy(double dx, double dy);
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
QPointArray areaPoints() const;
|
|
|
|
private:
|
|
int x1,y1,x2,y2;
|
|
};
|
|
|
|
|
|
class QM_EXPORT_CANVAS QCanvasEllipse : public QCanvasPolygonalItem
|
|
{
|
|
|
|
public:
|
|
QCanvasEllipse( QCanvas* canvas );
|
|
QCanvasEllipse( int width, int height, QCanvas* canvas );
|
|
QCanvasEllipse( int width, int height, int startangle, int angle,
|
|
QCanvas* canvas );
|
|
|
|
~QCanvasEllipse();
|
|
|
|
int width() const;
|
|
int height() const;
|
|
void setSize(int w, int h);
|
|
void setAngles(int start, int length);
|
|
int angleStart() const
|
|
{ return a1; }
|
|
int angleLength() const
|
|
{ return a2; }
|
|
QPointArray areaPoints() const;
|
|
|
|
bool collidesWith( const QCanvasItem* ) const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
|
|
private:
|
|
bool collidesWith( const QCanvasSprite*,
|
|
const QCanvasPolygonalItem*,
|
|
const QCanvasRectangle*,
|
|
const QCanvasEllipse*,
|
|
const QCanvasText* ) const;
|
|
int w, h;
|
|
int a1, a2;
|
|
};
|
|
|
|
|
|
class QCanvasTextExtra;
|
|
|
|
class QM_EXPORT_CANVAS QCanvasText : public QCanvasItem
|
|
{
|
|
public:
|
|
QCanvasText(QCanvas* canvas);
|
|
QCanvasText(const QString&, QCanvas* canvas);
|
|
QCanvasText(const QString&, QFont, QCanvas* canvas);
|
|
|
|
virtual ~QCanvasText();
|
|
|
|
void setText( const QString& );
|
|
void setFont( const QFont& );
|
|
void setColor( const QColor& );
|
|
QString text() const;
|
|
QFont font() const;
|
|
QColor color() const;
|
|
|
|
void moveBy(double dx, double dy);
|
|
|
|
int textFlags() const
|
|
{ return flags; }
|
|
void setTextFlags(int);
|
|
|
|
QRect boundingRect() const;
|
|
|
|
bool collidesWith( const QCanvasItem* ) const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
virtual void draw(QPainter&);
|
|
|
|
private:
|
|
#if defined(Q_DISABLE_COPY)
|
|
QCanvasText( const QCanvasText & );
|
|
QCanvasText &operator=( const QCanvasText & );
|
|
#endif
|
|
void addToChunks();
|
|
void removeFromChunks();
|
|
void changeChunks();
|
|
|
|
void setRect();
|
|
QRect brect;
|
|
QString txt;
|
|
int flags;
|
|
QFont fnt;
|
|
QColor col;
|
|
QCanvasTextExtra* extra;
|
|
|
|
bool collidesWith( const QCanvasSprite*,
|
|
const QCanvasPolygonalItem*,
|
|
const QCanvasRectangle*,
|
|
const QCanvasEllipse*,
|
|
const QCanvasText* ) const;
|
|
};
|
|
|
|
#define Q_DEFINED_QCANVAS
|
|
#include "qwinexport.h"
|
|
#endif // QT_NO_CANVAS
|
|
|
|
#endif // QCANVAS_H
|