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123 lines
3.8 KiB
123 lines
3.8 KiB
/***************************************************************************
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imagemap.h - description
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-------------------
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begin : Wed Apr 4 2001
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copyright : (C) 2001 by Jan Schäfer
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email : janschaefer@users.sourceforge.net
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef IMAGEMAP_H
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#define IMAGEMAP_H
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#include <tqscrollview.h>
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#include <tqimage.h>
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#include <tqpoint.h>
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#include <tqrect.h>
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#include <tqcursor.h>
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#include "tdeversion.h"
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class KImageMapEditor;
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class Area;
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/**
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*@short Draws the image and areas and handle the draw actions
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*@author Jan Schäfer
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*@internal
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*@see Area
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*/
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class DrawZone : public TQScrollView {
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public:
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DrawZone(TQWidget *parent,KImageMapEditor* _imageMapEditor);
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~DrawZone();
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TQImage picture() const;
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void repaintArea(const Area & a);
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void repaintRect(const TQRect & r);
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void cancelDrawing();
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void setPicture(const TQImage &_image);
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void setZoom(double z);
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TQPoint translateFromZoom(const TQPoint & p) const;
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TQRect translateFromZoom(const TQRect & p) const;
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TQPoint translateToZoom(const TQPoint & p) const;
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TQRect translateToZoom(const TQRect & p) const;
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TQRect getImageRect() const { return image.rect(); }
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protected:
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virtual void contentsMouseDoubleClickEvent(TQMouseEvent*);
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virtual void contentsMousePressEvent(TQMouseEvent*);
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virtual void contentsMouseReleaseEvent(TQMouseEvent*);
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virtual void contentsMouseMoveEvent(TQMouseEvent*);
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virtual void resizeEvent(TQResizeEvent*);
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virtual void drawContents(TQPainter*,int,int,int,int);
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virtual void viewportDropEvent(TQDropEvent*);
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virtual void contentsDragEnterEvent(TQDragEnterEvent*);
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virtual void contentsDropEvent(TQDropEvent*);
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/**
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* Represents whats currently going on
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* @li None : Nothing
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* @li DrawCircle : The user is drawing a circle
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* @li DrawRectangle : The user is drawing a rectangle
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* @li MoveSelectionPoint : The user is resizing an @ref Area or moving a polygon point
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* @li MoveArea : The user is moving an @ref Area
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* @li DoSelect : The user makes a selection rectangle
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*/
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enum DrawAction { None, DrawCircle, DrawRectangle, DrawPolygon, DrawFreehand, MoveSelectionPoint, MoveArea, DoSelect, RemovePoint, AddPoint };
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void createBorderRectangles(const TQRect & r,TQRect & rb,TQRect & lb,TQRect & tb,TQRect & bb);
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private:
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DrawAction currentAction;
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// The currently drawing area
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Area *currentArea;
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// Needed when moving selectionpoints
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TQRect *currentSelectionPoint;
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// The point where the user clicked the mouse
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TQPoint drawStart;
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TQPoint drawCurrent;
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// The original image
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TQImage image;
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KImageMapEditor *imageMapEditor;
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// Only the rect of the zoomed image, perhaps redundant
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TQRect imageRect;
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// Only for repaint issues
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Area *oldArea;
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TQRect oldSelectionRect;
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// Holds the zoomed image for efficiency reasons
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TQPixmap zoomedImage;
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// The current zoom-factor
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double _zoom;
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TQCursor RectangleCursor;
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TQCursor CircleCursor;
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TQCursor PolygonCursor;
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TQCursor FreehandCursor;
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TQCursor AddPointCursor;
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TQCursor RemovePointCursor;
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};
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inline TQImage DrawZone::picture() const {
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return image;
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}
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#endif
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