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/***************************************************************************
kimearea.h - description
-------------------
begin : Thu Jun 14 2001
copyright : (C) 2001 by Jan Sch�fer
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef KIMEAREA_H
#define KIMEAREA_H
#include <tqrect.h>
#include <tqpoint.h>
#include <tqptrlist.h>
#include <klocale.h>
#include <tqmap.h>
#include "kdeversion.h"
class TQPainter;
class TQPointArray;
class TQListViewItem;
class TQBitmap;
typedef TQPtrList<TQRect> SelectionPointList;
typedef TQMap<TQString,TQString> AttributeMap;
typedef TQMapConstIterator<TQString,TQString> AttributeIterator;
class Area
{
public:
enum ShapeType { None, Rectangle, Circle, Polygon, Default, Selection };
static bool highlightArea;
static bool showAlt;
protected:
TQRect _rect;
ShapeType _type;
TQString _name;
TQString _href;
TQString _alt;
TQString _target;
AttributeMap _attributes;
bool _isSelected;
bool _finished;
bool _isMoving;
int currentHighlighted;
TQListViewItem* _listViewItem;
// Only used for Polygons
TQPointArray *_coords;
SelectionPointList *_selectionPoints;
TQPixmap *_highlightedPixmap;
void drawHighlighting(TQPainter & p);
void drawAlt(TQPainter & p);
TQString getHTMLAttributes() const;
public:
Area();
virtual ~Area();
virtual Area* clone() const;
// Default implementation; is specified by subclasses
virtual bool contains(const TQPoint &) const;
// Default implementation; is specified by subclasses
virtual TQString coordsToString() const;
virtual void draw(TQPainter &);
virtual TQBitmap getMask() const;
virtual TQString getHTMLCode() const;
virtual void setHighlightedPixmap( TQImage &, TQBitmap &);
virtual void moveBy(int, int);
virtual void moveTo(int, int);
virtual void moveSelectionPoint(TQRect*, const TQPoint &);
virtual TQRect* onSelectionPoint(const TQPoint &,double zoom) const;
virtual bool removeSelectionPoint(TQRect * r);
virtual SelectionPointList* selectionPoints() const { return _selectionPoints; }
virtual TQRect rect() const;
virtual TQRect selectionRect() const;
virtual void setArea(const Area &);
virtual bool setCoords(const TQString &);
/** finished drawing only important for polygon */
virtual void setFinished(bool b) { _finished=b; }
virtual void setRect(const TQRect &);
virtual void setMoving(bool b);
virtual bool isMoving() const;
// Default implementation; is specified by subclasses
virtual TQString typeString() const { return ""; }
virtual ShapeType type() const;
virtual void updateSelectionPoints() {};
// Only interesting for Polygons
virtual void simplifyCoords() {};
virtual int addCoord(const TQPoint &);
virtual void insertCoord(int, const TQPoint &);
virtual void removeCoord(int);
virtual void moveCoord(int,const TQPoint &);
virtual TQPointArray* coords() const;
virtual void highlightSelectionPoint(int);
virtual TQString attribute(const TQString &) const;
virtual void setAttribute(const TQString &, const TQString &);
virtual AttributeIterator firstAttribute() const;
virtual AttributeIterator lastAttribute() const;
TQPixmap cutOut(const TQImage &) ;
void setListViewItem(TQListViewItem*);
void deleteListViewItem();
TQListViewItem* listViewItem() const;
void setName(const TQString &);
TQString name() const;
void setSelected(bool b);
bool isSelected() const;
bool finished() const;
uint countSelectionPoints() const;
};
inline TQListViewItem* Area::listViewItem() const {
return _listViewItem;
}
inline void Area::setName(const TQString & name) {
_name=name;
}
inline TQString Area::name() const {
return _name;
}
inline bool Area::isMoving() const {
return _isMoving;
}
inline bool Area::isSelected() const {
return _isSelected;
}
inline bool Area::finished() const {
return _finished;
}
/**
* Represents a Rectangle Area
**/
class RectArea : public Area
{
public:
RectArea();
virtual ~RectArea();
virtual Area* clone() const;
virtual bool contains(const TQPoint & p) const;
virtual TQString coordsToString() const;
virtual void draw(TQPainter & p);
virtual void moveSelectionPoint(TQRect* selectionPoint, const TQPoint & p);
virtual bool setCoords(const TQString & s);
virtual TQString typeString() const { return i18n("Rectangle"); }
virtual TQBitmap getMask() const;
virtual TQString getHTMLCode() const;
virtual void updateSelectionPoints();
};
/**
* Represents a Circle Area
**/
class CircleArea : public Area
{
public:
CircleArea();
virtual ~CircleArea();
virtual Area* clone() const;
virtual bool contains(const TQPoint & p) const;
virtual TQString coordsToString() const;
virtual void draw(TQPainter & p);
virtual void moveSelectionPoint(TQRect* selectionPoint, const TQPoint & p);
virtual bool setCoords(const TQString & s);
virtual void setRect(const TQRect & r);
virtual TQString typeString() const { return i18n("Circle"); }
virtual TQBitmap getMask() const;
virtual TQString getHTMLCode() const;
virtual void updateSelectionPoints();
};
/**
* Represents a Rectangle Area
**/
class PolyArea :public Area
{
public:
PolyArea();
virtual ~PolyArea();
virtual Area* clone() const;
virtual bool contains(const TQPoint & p) const;
virtual TQString coordsToString() const;
virtual void draw(TQPainter & p);
virtual void moveSelectionPoint(TQRect* selectionPoint, const TQPoint & p);
virtual void simplifyCoords();
virtual int addCoord(const TQPoint & p);
virtual bool setCoords(const TQString & s);
virtual TQRect selectionRect() const;
virtual void setFinished(bool b);
virtual TQString typeString() const { return i18n("Polygon"); }
virtual TQBitmap getMask() const;
virtual TQString getHTMLCode() const;
virtual void updateSelectionPoints();
private:
static int distance(const TQPoint &p1, const TQPoint &p2);
static bool isBetween(const TQPoint &p, const TQPoint &p1, const TQPoint &p2);
};
/**
* Represents the default Area
**/
class DefaultArea :public Area
{
public:
DefaultArea();
virtual ~DefaultArea();
virtual Area* clone() const;
// the default area isn't drawn
virtual void draw(TQPainter & p);
virtual TQString typeString() const { return i18n("Default"); }
virtual TQString getHTMLCode() const;
};
typedef TQPtrList<Area> AreaList;
typedef TQPtrListIterator<Area> AreaListIterator;
/**
* This class represents a selection of areas
* all operations performed on this class
* will be performed on the selected Areas
* the only actions that can be used is the
* move action
**/
class AreaSelection : public Area {
public :
AreaSelection();
virtual ~AreaSelection();
/**
* New Methods
*/
// Adding automatically selects the area
void add(Area *a);
// Removing automatically deselects the area
void remove(Area *a);
// Removes all areas from the list and deselects them
void reset();
uint count() const;
AreaList getAreaList() const;
AreaListIterator getAreaListIterator() const;
void setAreaList( const AreaList & areas );
bool isEmpty() const;
/**
* Overiden Methods of the Area class
*/
virtual bool contains(const TQPoint & p) const;
/**
*
**/
virtual TQRect* onSelectionPoint(const TQPoint & p, double zoom) const;
/**
* Only if one Area is selected the moveSelectionPoint method
* of that Area will be called
**/
virtual void moveSelectionPoint(TQRect* selectionPoint, const TQPoint & p);
virtual SelectionPointList* selectionPoints() const;
/**
* All Areas will be moved by dx and dy
**/
virtual void moveBy(int dx, int dy);
/**
* Calls for every selected Area the setArea with the
* corresponding Area in the copy Selection.
* IMPORTANT : works only if the copy Area is an AreaSelection
* and have the same number of Areas
**/
virtual void setArea(const Area & copy);
virtual void setAreaSelection(const AreaSelection & copy);
/**
* If only one Area is selected the setRect method of that Area
* will be called
**/
virtual void setRect(const TQRect & r);
virtual TQRect rect() const;
virtual TQString typeString() const;
virtual ShapeType type() const;
// The selection is only a container
// so it is never drawn
virtual void draw(TQPainter & p);
/**
* A deep copy of the Areas
**/
virtual Area* clone() const;
virtual void updateSelectionPoints();
virtual int addCoord(const TQPoint & p);
virtual void insertCoord(int pos, const TQPoint & p);
virtual void removeCoord(int pos);
virtual bool removeSelectionPoint(TQRect * r);
virtual void moveCoord(int pos,const TQPoint & p);
virtual TQPointArray* coords() const;
virtual void highlightSelectionPoint(int);
virtual TQRect selectionRect() const;
virtual TQString attribute(const TQString & name) const;
virtual void setAttribute(const TQString & name, const TQString & value);
virtual AttributeIterator firstAttribute() const;
virtual AttributeIterator lastAttribute() const;
virtual void setMoving(bool b);
virtual bool isMoving() const;
bool allAreasWithin(const TQRect & r) const;
// makes the cache invalid
void invalidate();
private :
AreaList *_areas;
// The selectionRect and the rect are cached
// so even in const functions they must be changeable
mutable TQRect _cachedSelectionRect;
mutable TQRect _cachedRect;
mutable bool _selectionCacheValid;
mutable bool _rectCacheValid;
};
inline void AreaSelection::invalidate() {
_selectionCacheValid=false;
_rectCacheValid=false;
}
#endif
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