779 lines
19 KiB
C++
779 lines
19 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of a Qt Solutions component.
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**
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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****************************************************************************/
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#ifndef QTCANVAS_H
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#define QTCANVAS_H
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#include <QPixmap>
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#include <QBrush>
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#include <QPen>
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#include <QPolygon>
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#include <QScrollArea>
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class QtCanvasSprite;
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class QtCanvasPolygonalItem;
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class QtCanvasRectangle;
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class QtCanvasPolygon;
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class QtCanvasEllipse;
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class QtCanvasText;
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class QtCanvasLine;
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class QtCanvasChunk;
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class QtCanvas;
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class QtCanvasItem;
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class QtCanvasView;
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class QtCanvasPixmap;
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typedef QList<QtCanvasItem *> QtCanvasItemList;
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class QtCanvasItemExtra;
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class QtCanvasItem
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{
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public:
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QtCanvasItem(QtCanvas* canvas);
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virtual ~QtCanvasItem();
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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 QtCanvasItem*) const=0;
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QtCanvasItemList collisions(bool exact /* NO DEFAULT */) const;
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virtual void setCanvas(QtCanvas*);
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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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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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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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QtCanvas* 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 QtCanvasPolygonalItem;
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friend class QtCanvasSprite;
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friend class QtCanvasRectangle;
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friend class QtCanvasPolygon;
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friend class QtCanvasEllipse;
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friend class QtCanvasText;
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friend class QtCanvasLine;
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virtual QPolygon 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 QtCanvasSprite*,
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const QtCanvasPolygonalItem*,
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const QtCanvasRectangle*,
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const QtCanvasEllipse*,
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const QtCanvasText*) const = 0;
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// End of friend stuff
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QtCanvas* cnv;
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static QtCanvas* current_canvas;
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double myx,myy,myz;
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QtCanvasItemExtra *ext;
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QtCanvasItemExtra& 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 QtCanvasData;
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class QtCanvas : public QObject
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{
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Q_OBJECT
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public:
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QtCanvas(QObject* parent = 0);
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QtCanvas(int w, int h);
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QtCanvas(QPixmap p, int h, int v, int tilewidth, int tileheight);
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virtual ~QtCanvas();
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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(QtCanvasItem*, int i, int j);
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void removeItemFromChunk(QtCanvasItem*, int i, int j);
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void addItemToChunkContaining(QtCanvasItem*, int x, int y);
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void removeItemFromChunkContaining(QtCanvasItem*, int x, int y);
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QtCanvasItemList allItems();
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QtCanvasItemList collisions(const QPoint&) const;
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QtCanvasItemList collisions(const QRect&) const;
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QtCanvasItemList collisions(const QPolygon& pa, const QtCanvasItem* 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 QtCanvasView to call
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virtual void addView(QtCanvasView*);
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virtual void removeView(QtCanvasView*);
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void drawCanvasArea(const QRect&, QPainter* p=0, bool double_buffer=true);
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void drawViewArea(QtCanvasView* view, QPainter* p, const QRect& r, bool dbuf);
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// These are for QtCanvasItem to call
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virtual void addItem(QtCanvasItem*);
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virtual void addAnimation(QtCanvasItem*);
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virtual void removeItem(QtCanvasItem*);
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virtual void removeAnimation(QtCanvasItem*);
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virtual void setAdvancePeriod(int ms);
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virtual void setUpdatePeriod(int ms);
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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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QtCanvasChunk& chunk(int i, int j) const;
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QtCanvasChunk& chunkContaining(int x, int y) const;
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QRect changeBounds();
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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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QtCanvasChunk* chunks;
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QtCanvasData* 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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friend void qt_unview(QtCanvas* c);
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Q_DISABLE_COPY(QtCanvas)
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};
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class QtCanvasViewData;
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class QtCanvasView : public QScrollArea
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{
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Q_OBJECT
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Q_PROPERTY(bool highQualityRendering READ highQualityRendering WRITE setHighQualityRendering)
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public:
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QtCanvasView(QWidget* parent=0);
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QtCanvasView(QtCanvas* viewing, QWidget* parent=0);
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~QtCanvasView();
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QtCanvas* canvas() const
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{ return viewing; }
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void setCanvas(QtCanvas* v);
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const QMatrix &worldMatrix() const;
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const QMatrix &inverseWorldMatrix() const;
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bool setWorldMatrix(const QMatrix &);
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virtual QSize sizeHint() const;
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bool highQualityRendering() const;
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public slots:
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void setHighQualityRendering(bool enable);
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protected:
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friend class QtCanvasWidget;
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virtual void drawContents(QPainter *p, int cx, int cy, int cw, int ch);
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virtual void contentsMousePressEvent( QMouseEvent* );
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virtual void contentsMouseReleaseEvent( QMouseEvent* );
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virtual void contentsMouseDoubleClickEvent( QMouseEvent* );
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virtual void contentsMouseMoveEvent( QMouseEvent* );
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virtual void contentsDragEnterEvent( QDragEnterEvent * );
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virtual void contentsDragMoveEvent( QDragMoveEvent * );
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virtual void contentsDragLeaveEvent( QDragLeaveEvent * );
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virtual void contentsDropEvent( QDropEvent * );
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virtual void contentsWheelEvent( QWheelEvent * );
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virtual void contentsContextMenuEvent( QContextMenuEvent * );
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private:
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friend class QtCanvas;
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void drawContents(QPainter*);
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QtCanvas* viewing;
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QtCanvasViewData* d;
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private slots:
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void updateContentsSize();
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private:
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Q_DISABLE_COPY(QtCanvasView)
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};
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class QtCanvasPixmap : public QPixmap
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{
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public:
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#ifndef QT_NO_IMAGEIO
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QtCanvasPixmap(const QString& datafilename);
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#endif
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QtCanvasPixmap(const QImage& image);
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QtCanvasPixmap(const QPixmap&, const QPoint& hotspot);
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~QtCanvasPixmap();
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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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Q_DISABLE_COPY(QtCanvasPixmap)
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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 QtCanvasSprite;
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friend class QtCanvasPixmapArray;
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friend bool qt_testCollision(const QtCanvasSprite* s1, const QtCanvasSprite* s2);
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int hotx,hoty;
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QImage* collision_mask;
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};
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class QtCanvasPixmapArray
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{
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public:
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QtCanvasPixmapArray();
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#ifndef QT_NO_IMAGEIO
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QtCanvasPixmapArray(const QString& datafilenamepattern, int framecount=0);
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#endif
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QtCanvasPixmapArray(const QList<QPixmap> &pixmaps, const QPolygon &hotspots = QPolygon());
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~QtCanvasPixmapArray();
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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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QtCanvasPixmap* image(int i) const
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{ return img ? img[i] : 0; }
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void setImage(int i, QtCanvasPixmap* p);
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uint count() const
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{ return (uint)framecount; }
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private:
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Q_DISABLE_COPY(QtCanvasPixmapArray)
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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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QtCanvasPixmap** img;
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};
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class QtCanvasSprite : public QtCanvasItem
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{
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public:
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QtCanvasSprite(QtCanvasPixmapArray* array, QtCanvas* canvas);
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void setSequence(QtCanvasPixmapArray* seq);
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virtual ~QtCanvasSprite();
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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 QtCanvasItem*) 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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QtCanvasPixmap* image() const
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{ return images->image(frm); }
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virtual QtCanvasPixmap* imageAdvanced() const;
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QtCanvasPixmap* 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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Q_DISABLE_COPY(QtCanvasSprite)
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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;
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bool collidesWith(const QtCanvasSprite*,
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const QtCanvasPolygonalItem*,
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const QtCanvasRectangle*,
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const QtCanvasEllipse*,
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const QtCanvasText*) const;
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friend bool qt_testCollision(const QtCanvasSprite* s1,
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const QtCanvasSprite* s2);
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QtCanvasPixmapArray* images;
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};
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class QPolygonalProcessor;
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class QtCanvasPolygonalItem : public QtCanvasItem
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{
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public:
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QtCanvasPolygonalItem(QtCanvas* canvas);
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virtual ~QtCanvasPolygonalItem();
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bool collidesWith(const QtCanvasItem*) const;
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virtual void setPen(QPen p);
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virtual void setBrush(QBrush b);
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QPen pen() const
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{ return pn; }
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QBrush brush() const
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{ return br; }
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virtual QPolygon areaPoints() const=0;
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virtual QPolygon areaPointsAdvanced() const;
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QRect boundingRect() const;
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int rtti() const;
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static int RTTI;
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protected:
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void draw(QPainter &);
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virtual void drawShape(QPainter &) = 0;
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bool winding() const;
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void setWinding(bool);
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void invalidate();
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bool isValid() const
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{ return (bool)val; }
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private:
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void scanPolygon(const QPolygon& pa, int winding,
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QPolygonalProcessor& process) const;
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QPolygon chunks() const;
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bool collidesWith(const QtCanvasSprite*,
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const QtCanvasPolygonalItem*,
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const QtCanvasRectangle*,
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const QtCanvasEllipse*,
|
|
const QtCanvasText*) const;
|
|
|
|
QBrush br;
|
|
QPen pn;
|
|
uint wind:1;
|
|
};
|
|
|
|
|
|
class QtCanvasRectangle : public QtCanvasPolygonalItem
|
|
{
|
|
public:
|
|
QtCanvasRectangle(QtCanvas* canvas);
|
|
QtCanvasRectangle(const QRect&, QtCanvas* canvas);
|
|
QtCanvasRectangle(int x, int y, int width, int height, QtCanvas* canvas);
|
|
|
|
~QtCanvasRectangle();
|
|
|
|
int width() const;
|
|
int height() const;
|
|
void setSize(int w, int h);
|
|
QSize size() const
|
|
{ return QSize(w,h); }
|
|
QPolygon areaPoints() const;
|
|
QRect rect() const
|
|
{ return QRect(int(x()),int(y()),w,h); }
|
|
|
|
bool collidesWith(const QtCanvasItem*) const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
QPolygon chunks() const;
|
|
|
|
private:
|
|
bool collidesWith( const QtCanvasSprite*,
|
|
const QtCanvasPolygonalItem*,
|
|
const QtCanvasRectangle*,
|
|
const QtCanvasEllipse*,
|
|
const QtCanvasText*) const;
|
|
|
|
int w, h;
|
|
};
|
|
|
|
|
|
class QtCanvasPolygon : public QtCanvasPolygonalItem
|
|
{
|
|
public:
|
|
QtCanvasPolygon(QtCanvas* canvas);
|
|
~QtCanvasPolygon();
|
|
void setPoints(QPolygon);
|
|
QPolygon points() const;
|
|
void moveBy(double dx, double dy);
|
|
|
|
QPolygon areaPoints() const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
QPolygon poly;
|
|
};
|
|
|
|
|
|
class QtCanvasSpline : public QtCanvasPolygon
|
|
{
|
|
public:
|
|
QtCanvasSpline(QtCanvas* canvas);
|
|
~QtCanvasSpline();
|
|
|
|
void setControlPoints(QPolygon, bool closed=true);
|
|
QPolygon controlPoints() const;
|
|
bool closed() const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
private:
|
|
void recalcPoly();
|
|
QPolygon bez;
|
|
bool cl;
|
|
};
|
|
|
|
|
|
class QtCanvasLine : public QtCanvasPolygonalItem
|
|
{
|
|
public:
|
|
QtCanvasLine(QtCanvas* canvas);
|
|
~QtCanvasLine();
|
|
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 &);
|
|
QPolygon areaPoints() const;
|
|
|
|
private:
|
|
int x1,y1,x2,y2;
|
|
};
|
|
|
|
|
|
class QtCanvasEllipse : public QtCanvasPolygonalItem
|
|
{
|
|
|
|
public:
|
|
QtCanvasEllipse(QtCanvas* canvas);
|
|
QtCanvasEllipse(int width, int height, QtCanvas* canvas);
|
|
QtCanvasEllipse(int width, int height, int startangle, int angle,
|
|
QtCanvas* canvas);
|
|
|
|
~QtCanvasEllipse();
|
|
|
|
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; }
|
|
QPolygon areaPoints() const;
|
|
|
|
bool collidesWith(const QtCanvasItem*) const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
void drawShape(QPainter &);
|
|
|
|
private:
|
|
bool collidesWith(const QtCanvasSprite*,
|
|
const QtCanvasPolygonalItem*,
|
|
const QtCanvasRectangle*,
|
|
const QtCanvasEllipse*,
|
|
const QtCanvasText*) const;
|
|
int w, h;
|
|
int a1, a2;
|
|
};
|
|
|
|
|
|
class QtCanvasTextExtra;
|
|
|
|
class QtCanvasText : public QtCanvasItem
|
|
{
|
|
public:
|
|
QtCanvasText(QtCanvas* canvas);
|
|
QtCanvasText(const QString&, QtCanvas* canvas);
|
|
QtCanvasText(const QString&, QFont, QtCanvas* canvas);
|
|
|
|
virtual ~QtCanvasText();
|
|
|
|
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 QtCanvasItem*) const;
|
|
|
|
int rtti() const;
|
|
static int RTTI;
|
|
|
|
protected:
|
|
virtual void draw(QPainter&);
|
|
|
|
private:
|
|
Q_DISABLE_COPY(QtCanvasText)
|
|
|
|
void addToChunks();
|
|
void removeFromChunks();
|
|
void changeChunks();
|
|
|
|
void setRect();
|
|
QRect brect;
|
|
QString txt;
|
|
int flags;
|
|
QFont fnt;
|
|
QColor col;
|
|
QtCanvasTextExtra* extra;
|
|
|
|
bool collidesWith(const QtCanvasSprite*,
|
|
const QtCanvasPolygonalItem*,
|
|
const QtCanvasRectangle*,
|
|
const QtCanvasEllipse*,
|
|
const QtCanvasText*) const;
|
|
};
|
|
|
|
#endif // QTCANVAS_H
|