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Diffstat (limited to 'src/canvas/qcanvas.h')
| -rw-r--r-- | src/canvas/qcanvas.h | 816 |
1 files changed, 816 insertions, 0 deletions
diff --git a/src/canvas/qcanvas.h b/src/canvas/qcanvas.h new file mode 100644 index 000000000..7cdd7a233 --- /dev/null +++ b/src/canvas/qcanvas.h @@ -0,0 +1,816 @@ +/********************************************************************** +** +** Definition of TQCanvas classes +** +** Created : 991211 +** +** Copyright (C) 1999-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the canvas module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQCANVAS_H +#define TQCANVAS_H + +#ifndef QT_H +#include "qscrollview.h" +#include "qpixmap.h" +#include "qptrlist.h" +#include "qbrush.h" +#include "qpen.h" +#include "qvaluelist.h" +#include "qpointarray.h" +#endif // QT_H + +#if !defined( QT_MODULE_CANVAS ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_CANVAS ) +#define TQM_EXPORT_CANVAS +#define TQM_TEMPLATE_EXTERN_CANVAS +#else +#define TQM_EXPORT_CANVAS Q_EXPORT +#define TQM_TEMPLATE_EXTERN_CANVAS Q_TEMPLATE_EXTERN +#endif + +#ifndef QT_NO_CANVAS + + +class TQCanvasSprite; +class TQCanvasPolygonalItem; +class TQCanvasRectangle; +class TQCanvasPolygon; +class TQCanvasEllipse; +class TQCanvasText; +class TQCanvasLine; +class TQCanvasChunk; +class TQCanvas; +class TQCanvasItem; +class TQCanvasView; +class TQCanvasPixmap; + +#if defined(Q_TEMPLATEDLL) && ( !defined(Q_CC_BOR) || !defined(QT_MAKEDLL) || defined(Q_EXPORT_TEMPLATES) ) +// MOC_SKIP_BEGIN +TQM_TEMPLATE_EXTERN_CANVAS template class TQM_EXPORT_CANVAS TQValueListIterator< TQCanvasItem* >; +TQM_TEMPLATE_EXTERN_CANVAS template class TQM_EXPORT_CANVAS TQValueList< TQCanvasItem* >; +// MOC_SKIP_END +#endif + +class TQM_EXPORT_CANVAS TQCanvasItemList : public TQValueList<TQCanvasItem*> { +public: + void sort(); + void drawUnique( TQPainter& painter ); + TQCanvasItemList operator+(const TQCanvasItemList &l) const; +}; + + +class TQCanvasItemExtra; + +class TQM_EXPORT_CANVAS TQCanvasItem : public TQt +{ +public: + TQCanvasItem(TQCanvas* canvas); + virtual ~TQCanvasItem(); + + double x() const + { return myx; } + double y() const + { return myy; } + double z() const + { return myz; } // (depth) + + virtual void moveBy(double dx, double dy); + void move(double x, double y); + void setX(double a) { move(a,y()); } + void setY(double a) { move(x(),a); } + void setZ(double a) { myz=a; changeChunks(); } + + bool animated() const; + virtual void setAnimated(bool y); + virtual void setVelocity( double vx, double vy); + void setXVelocity( double vx ) { setVelocity(vx,yVelocity()); } + void setYVelocity( double vy ) { setVelocity(xVelocity(),vy); } + double xVelocity() const; + double yVelocity() const; + virtual void advance(int stage); + + virtual bool collidesWith( const TQCanvasItem* ) const=0; + + TQCanvasItemList collisions(bool exact /* NO DEFAULT */ ) const; + + virtual void setCanvas(TQCanvas*); + + virtual void draw(TQPainter&)=0; + + void show(); + void hide(); + + virtual void setVisible(bool yes); + bool isVisible() const + { return (bool)vis; } + virtual void setSelected(bool yes); + bool isSelected() const + { return (bool)sel; } + virtual void setEnabled(bool yes); + bool isEnabled() const + { return (bool)ena; } + virtual void setActive(bool yes); + bool isActive() const + { return (bool)act; } +#ifndef QT_NO_COMPAT + bool visible() const + { return (bool)vis; } + bool selected() const + { return (bool)sel; } + bool enabled() const + { return (bool)ena; } + bool active() const + { return (bool)act; } +#endif + + enum RttiValues { + Rtti_Item = 0, + Rtti_Sprite = 1, + Rtti_PolygonalItem = 2, + Rtti_Text = 3, + Rtti_Polygon = 4, + Rtti_Rectangle = 5, + Rtti_Ellipse = 6, + Rtti_Line = 7, + Rtti_Spline = 8 + }; + + virtual int rtti() const; + static int RTTI; + + virtual TQRect boundingRect() const=0; + virtual TQRect boundingRectAdvanced() const; + + TQCanvas* canvas() const + { return cnv; } + +protected: + void update() { changeChunks(); } + +private: + // For friendly subclasses... + + friend class TQCanvasPolygonalItem; + friend class TQCanvasSprite; + friend class TQCanvasRectangle; + friend class TQCanvasPolygon; + friend class TQCanvasEllipse; + friend class TQCanvasText; + friend class TQCanvasLine; + + virtual TQPointArray chunks() const; + virtual void addToChunks(); + virtual void removeFromChunks(); + virtual void changeChunks(); + virtual bool collidesWith( const TQCanvasSprite*, + const TQCanvasPolygonalItem*, + const TQCanvasRectangle*, + const TQCanvasEllipse*, + const TQCanvasText* ) const = 0; + // End of friend stuff + + TQCanvas* cnv; + static TQCanvas* current_canvas; + double myx,myy,myz; + TQCanvasItemExtra *ext; + TQCanvasItemExtra& extra(); + uint ani:1; + uint vis:1; + uint val:1; + uint sel:1; + uint ena:1; + uint act:1; +}; + + +class TQCanvasData; + +class TQM_EXPORT_CANVAS TQCanvas : public TQObject +{ + Q_OBJECT +public: + TQCanvas( TQObject* parent = 0, const char* name = 0 ); + TQCanvas(int w, int h); + TQCanvas( TQPixmap p, int h, int v, int tilewidth, int tileheight ); + + virtual ~TQCanvas(); + + virtual void setTiles( TQPixmap tiles, int h, int v, + int tilewidth, int tileheight ); + virtual void setBackgroundPixmap( const TQPixmap& p ); + TQPixmap backgroundPixmap() const; + + virtual void setBackgroundColor( const TQColor& c ); + TQColor backgroundColor() const; + + virtual void setTile( int x, int y, int tilenum ); + int tile( int x, int y ) const + { return grid[x+y*htiles]; } + + int tilesHorizontally() const + { return htiles; } + int tilesVertically() const + { return vtiles; } + + int tileWidth() const + { return tilew; } + int tileHeight() const + { return tileh; } + + virtual void resize(int width, int height); + int width() const + { return awidth; } + int height() const + { return aheight; } + TQSize size() const + { return TQSize(awidth,aheight); } + TQRect rect() const + { return TQRect( 0, 0, awidth, aheight ); } + bool onCanvas( int x, int y ) const + { return x>=0 && y>=0 && x<awidth && y<aheight; } + bool onCanvas( const TQPoint& p ) const + { return onCanvas(p.x(),p.y()); } + bool validChunk( int x, int y ) const + { return x>=0 && y>=0 && x<chwidth && y<chheight; } + bool validChunk( const TQPoint& p ) const + { return validChunk(p.x(),p.y()); } + + int chunkSize() const + { return chunksize; } + virtual void retune(int chunksize, int maxclusters=100); + + bool sameChunk(int x1, int y1, int x2, int y2) const + { return x1/chunksize==x2/chunksize && y1/chunksize==y2/chunksize; } + virtual void setChangedChunk(int i, int j); + virtual void setChangedChunkContaining(int x, int y); + virtual void setAllChanged(); + virtual void setChanged(const TQRect& area); + virtual void setUnchanged(const TQRect& area); + + // These call setChangedChunk. + void addItemToChunk(TQCanvasItem*, int i, int j); + void removeItemFromChunk(TQCanvasItem*, int i, int j); + void addItemToChunkContaining(TQCanvasItem*, int x, int y); + void removeItemFromChunkContaining(TQCanvasItem*, int x, int y); + + TQCanvasItemList allItems(); + TQCanvasItemList collisions( const TQPoint&) const; + TQCanvasItemList collisions( const TQRect&) const; + TQCanvasItemList collisions( const TQPointArray& pa, const TQCanvasItem* item, + bool exact) const; + + void drawArea(const TQRect&, TQPainter* p, bool double_buffer=FALSE); + + // These are for TQCanvasView to call + virtual void addView(TQCanvasView*); + virtual void removeView(TQCanvasView*); + void drawCanvasArea(const TQRect&, TQPainter* p=0, bool double_buffer=TRUE); + void drawViewArea( TQCanvasView* view, TQPainter* p, const TQRect& r, bool dbuf ); + + // These are for TQCanvasItem to call + virtual void addItem(TQCanvasItem*); + virtual void addAnimation(TQCanvasItem*); + virtual void removeItem(TQCanvasItem*); + virtual void removeAnimation(TQCanvasItem*); + + virtual void setAdvancePeriod(int ms); + virtual void setUpdatePeriod(int ms); + + virtual void setDoubleBuffering(bool y); + +signals: + void resized(); + +public slots: + virtual void advance(); + virtual void update(); + +protected: + virtual void drawBackground(TQPainter&, const TQRect& area); + virtual void drawForeground(TQPainter&, const TQRect& area); + +private: + void init(int w, int h, int chunksze=16, int maxclust=100); + + TQCanvasChunk& chunk(int i, int j) const; + TQCanvasChunk& chunkContaining(int x, int y) const; + + TQRect changeBounds(const TQRect& inarea); + void drawChanges(const TQRect& inarea); + + TQPixmap offscr; + int awidth,aheight; + int chunksize; + int maxclusters; + int chwidth,chheight; + TQCanvasChunk* chunks; + + TQCanvasData* d; + + void initTiles(TQPixmap p, int h, int v, int tilewidth, int tileheight); + ushort *grid; + ushort htiles; + ushort vtiles; + ushort tilew; + ushort tileh; + bool oneone; + TQPixmap pm; + TQTimer* update_timer; + TQColor bgcolor; + bool debug_redraw_areas; + bool dblbuf; + + friend void qt_unview(TQCanvas* c); + +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQCanvas( const TQCanvas & ); + TQCanvas &operator=( const TQCanvas & ); +#endif +}; + +class TQCanvasViewData; + +class TQM_EXPORT_CANVAS TQCanvasView : public TQScrollView +{ + Q_OBJECT +public: + + TQCanvasView(TQWidget* parent=0, const char* name=0, WFlags f=0); + TQCanvasView(TQCanvas* viewing, TQWidget* parent=0, const char* name=0, WFlags f=0); + ~TQCanvasView(); + + TQCanvas* canvas() const + { return viewing; } + void setCanvas(TQCanvas* v); + + const TQWMatrix &worldMatrix() const; + const TQWMatrix &inverseWorldMatrix() const; + bool setWorldMatrix( const TQWMatrix & ); + +protected: + void drawContents( TQPainter*, int cx, int cy, int cw, int ch ); + TQSize sizeHint() const; + +private: + void drawContents( TQPainter* ); + TQCanvas* viewing; + TQCanvasViewData* d; + friend void qt_unview(TQCanvas* c); + +private slots: + void cMoving(int,int); + void updateContentsSize(); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQCanvasView( const TQCanvasView & ); + TQCanvasView &operator=( const TQCanvasView & ); +#endif +}; + + +class TQM_EXPORT_CANVAS TQCanvasPixmap : public TQPixmap +{ +public: +#ifndef QT_NO_IMAGEIO + TQCanvasPixmap(const TQString& datafilename); +#endif + TQCanvasPixmap(const TQImage& image); + TQCanvasPixmap(const TQPixmap&, const TQPoint& hotspot); + ~TQCanvasPixmap(); + + int offsetX() const + { return hotx; } + int offsetY() const + { return hoty; } + void setOffset(int x, int y) { hotx = x; hoty = y; } + +private: +#if defined(Q_DISABLE_COPY) + TQCanvasPixmap( const TQCanvasPixmap & ); + TQCanvasPixmap &operator=( const TQCanvasPixmap & ); +#endif + void init(const TQImage&); + void init(const TQPixmap& pixmap, int hx, int hy); + + friend class TQCanvasSprite; + friend class TQCanvasPixmapArray; + friend bool qt_testCollision(const TQCanvasSprite* s1, const TQCanvasSprite* s2); + + int hotx,hoty; + + TQImage* collision_mask; +}; + + +class TQM_EXPORT_CANVAS TQCanvasPixmapArray +{ +public: + TQCanvasPixmapArray(); +#ifndef QT_NO_IMAGEIO + TQCanvasPixmapArray(const TQString& datafilenamepattern, int framecount=0); +#endif + // this form is deprecated + TQCanvasPixmapArray(TQPtrList<TQPixmap>, TQPtrList<TQPoint> hotspots); + + TQCanvasPixmapArray(TQValueList<TQPixmap>, TQPointArray hotspots = TQPointArray() ); + ~TQCanvasPixmapArray(); + +#ifndef QT_NO_IMAGEIO + bool readPixmaps(const TQString& datafilenamepattern, int framecount=0); + bool readCollisionMasks(const TQString& filenamepattern); +#endif + + // deprecated + bool operator!(); // Failure check. + bool isValid() const; + + TQCanvasPixmap* image(int i) const + { return img ? img[i] : 0; } + void setImage(int i, TQCanvasPixmap* p); + uint count() const + { return (uint)framecount; } + +private: +#if defined(Q_DISABLE_COPY) + TQCanvasPixmapArray( const TQCanvasPixmapArray & ); + TQCanvasPixmapArray &operator=( const TQCanvasPixmapArray & ); +#endif +#ifndef QT_NO_IMAGEIO + bool readPixmaps(const TQString& datafilenamepattern, int framecount, bool maskonly); +#endif + + void reset(); + int framecount; + TQCanvasPixmap** img; +}; + + +class TQM_EXPORT_CANVAS TQCanvasSprite : public TQCanvasItem +{ +public: + TQCanvasSprite(TQCanvasPixmapArray* array, TQCanvas* canvas); + + void setSequence(TQCanvasPixmapArray* seq); + + virtual ~TQCanvasSprite(); + + void move(double x, double y); + virtual void move(double x, double y, int frame); + void setFrame(int); + enum FrameAnimationType { Cycle, Oscillate }; + virtual void setFrameAnimation(FrameAnimationType=Cycle, int step=1, int state=0); + int frame() const + { return frm; } + int frameCount() const + { return images->count(); } + + int rtti() const; + static int RTTI; + + bool collidesWith( const TQCanvasItem* ) const; + + TQRect boundingRect() const; + + // is there a reason for these to be protected? Lars +//protected: + + int width() const; + int height() const; + + int leftEdge() const; + int topEdge() const; + int rightEdge() const; + int bottomEdge() const; + + int leftEdge(int nx) const; + int topEdge(int ny) const; + int rightEdge(int nx) const; + int bottomEdge(int ny) const; + TQCanvasPixmap* image() const + { return images->image(frm); } + virtual TQCanvasPixmap* imageAdvanced() const; + TQCanvasPixmap* image(int f) const + { return images->image(f); } + virtual void advance(int stage); + +public: + void draw(TQPainter& painter); + +private: +#if defined(Q_DISABLE_COPY) + TQCanvasSprite( const TQCanvasSprite & ); + TQCanvasSprite &operator=( const TQCanvasSprite & ); +#endif + void addToChunks(); + void removeFromChunks(); + void changeChunks(); + + int frm; + ushort anim_val; + uint anim_state:2; + uint anim_type:14; + bool collidesWith( const TQCanvasSprite*, + const TQCanvasPolygonalItem*, + const TQCanvasRectangle*, + const TQCanvasEllipse*, + const TQCanvasText* ) const; + + friend bool qt_testCollision( const TQCanvasSprite* s1, + const TQCanvasSprite* s2 ); + + TQCanvasPixmapArray* images; +}; + +class TQPolygonalProcessor; + +class TQM_EXPORT_CANVAS TQCanvasPolygonalItem : public TQCanvasItem +{ +public: + TQCanvasPolygonalItem(TQCanvas* canvas); + virtual ~TQCanvasPolygonalItem(); + + bool collidesWith( const TQCanvasItem* ) const; + + virtual void setPen(TQPen p); + virtual void setBrush(TQBrush b); + + TQPen pen() const + { return pn; } + TQBrush brush() const + { return br; } + + virtual TQPointArray areaPoints() const=0; + virtual TQPointArray areaPointsAdvanced() const; + TQRect boundingRect() const; + + int rtti() const; + static int RTTI; + +protected: + void draw(TQPainter &); + virtual void drawShape(TQPainter &) = 0; + + bool winding() const; + void setWinding(bool); + + void invalidate(); + bool isValid() const + { return (bool)val; } + +private: + void scanPolygon( const TQPointArray& pa, int winding, + TQPolygonalProcessor& process ) const; + TQPointArray chunks() const; + + bool collidesWith( const TQCanvasSprite*, + const TQCanvasPolygonalItem*, + const TQCanvasRectangle*, + const TQCanvasEllipse*, + const TQCanvasText* ) const; + + TQBrush br; + TQPen pn; + uint wind:1; +}; + + +class TQM_EXPORT_CANVAS TQCanvasRectangle : public TQCanvasPolygonalItem +{ +public: + TQCanvasRectangle(TQCanvas* canvas); + TQCanvasRectangle(const TQRect&, TQCanvas* canvas); + TQCanvasRectangle(int x, int y, int width, int height, TQCanvas* canvas); + + ~TQCanvasRectangle(); + + int width() const; + int height() const; + void setSize(int w, int h); + TQSize size() const + { return TQSize(w,h); } + TQPointArray areaPoints() const; + TQRect rect() const + { return TQRect(int(x()),int(y()),w,h); } + + bool collidesWith( const TQCanvasItem* ) const; + + int rtti() const; + static int RTTI; + +protected: + void drawShape(TQPainter &); + TQPointArray chunks() const; + +private: + bool collidesWith( const TQCanvasSprite*, + const TQCanvasPolygonalItem*, + const TQCanvasRectangle*, + const TQCanvasEllipse*, + const TQCanvasText* ) const; + + int w, h; +}; + + +class TQM_EXPORT_CANVAS TQCanvasPolygon : public TQCanvasPolygonalItem +{ +public: + TQCanvasPolygon(TQCanvas* canvas); + ~TQCanvasPolygon(); + void setPoints(TQPointArray); + TQPointArray points() const; + void moveBy(double dx, double dy); + + TQPointArray areaPoints() const; + + int rtti() const; + static int RTTI; + +protected: + void drawShape(TQPainter &); + TQPointArray poly; +}; + + +class TQM_EXPORT_CANVAS TQCanvasSpline : public TQCanvasPolygon +{ +public: + TQCanvasSpline(TQCanvas* canvas); + ~TQCanvasSpline(); + + void setControlPoints(TQPointArray, bool closed=TRUE); + TQPointArray controlPoints() const; + bool closed() const; + + int rtti() const; + static int RTTI; + +private: + void recalcPoly(); + TQPointArray bez; + bool cl; +}; + + +class TQM_EXPORT_CANVAS TQCanvasLine : public TQCanvasPolygonalItem +{ +public: + TQCanvasLine(TQCanvas* canvas); + ~TQCanvasLine(); + void setPoints(int x1, int y1, int x2, int y2); + + TQPoint startPoint() const + { return TQPoint(x1,y1); } + TQPoint endPoint() const + { return TQPoint(x2,y2); } + + int rtti() const; + static int RTTI; + + void setPen(TQPen p); + void moveBy(double dx, double dy); + +protected: + void drawShape(TQPainter &); + TQPointArray areaPoints() const; + +private: + int x1,y1,x2,y2; +}; + + +class TQM_EXPORT_CANVAS TQCanvasEllipse : public TQCanvasPolygonalItem +{ + +public: + TQCanvasEllipse( TQCanvas* canvas ); + TQCanvasEllipse( int width, int height, TQCanvas* canvas ); + TQCanvasEllipse( int width, int height, int startangle, int angle, + TQCanvas* canvas ); + + ~TQCanvasEllipse(); + + 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; } + TQPointArray areaPoints() const; + + bool collidesWith( const TQCanvasItem* ) const; + + int rtti() const; + static int RTTI; + +protected: + void drawShape(TQPainter &); + +private: + bool collidesWith( const TQCanvasSprite*, + const TQCanvasPolygonalItem*, + const TQCanvasRectangle*, + const TQCanvasEllipse*, + const TQCanvasText* ) const; + int w, h; + int a1, a2; +}; + + +class TQCanvasTextExtra; + +class TQM_EXPORT_CANVAS TQCanvasText : public TQCanvasItem +{ +public: + TQCanvasText(TQCanvas* canvas); + TQCanvasText(const TQString&, TQCanvas* canvas); + TQCanvasText(const TQString&, TQFont, TQCanvas* canvas); + + virtual ~TQCanvasText(); + + void setText( const TQString& ); + void setFont( const TQFont& ); + void setColor( const TQColor& ); + TQString text() const; + TQFont font() const; + TQColor color() const; + + void moveBy(double dx, double dy); + + int textFlags() const + { return flags; } + void setTextFlags(int); + + TQRect boundingRect() const; + + bool collidesWith( const TQCanvasItem* ) const; + + int rtti() const; + static int RTTI; + +protected: + virtual void draw(TQPainter&); + +private: +#if defined(Q_DISABLE_COPY) + TQCanvasText( const TQCanvasText & ); + TQCanvasText &operator=( const TQCanvasText & ); +#endif + void addToChunks(); + void removeFromChunks(); + void changeChunks(); + + void setRect(); + TQRect brect; + TQString txt; + int flags; + TQFont fnt; + TQColor col; + TQCanvasTextExtra* extra; + + bool collidesWith( const TQCanvasSprite*, + const TQCanvasPolygonalItem*, + const TQCanvasRectangle*, + const TQCanvasEllipse*, + const TQCanvasText* ) const; +}; + +#define Q_DEFINED_QCANVAS +#include "qwinexport.h" +#endif // QT_NO_CANVAS + +#endif // TQCANVAS_H |