1 files changed, 122 insertions, 0 deletions
diff --git a/kimagemapeditor/drawzone.h b/kimagemapeditor/drawzone.h
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+++ b/kimagemapeditor/drawzone.h
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+/***************************************************************************
+                          imagemap.h  -  description
+                            -------------------
+    begin                : Wed Apr 4 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 IMAGEMAP_H
+#define IMAGEMAP_H
+
+#include <qscrollview.h>
+#include <qimage.h>
+#include <qpoint.h>
+#include <qrect.h>
+#include <qcursor.h>
+
+#include "kdeversion.h"
+
+class KImageMapEditor;
+class Area;
+
+/**
+  *@short Draws the image and areas and handle the draw actions
+  *@author Jan Sch&auml;fer
+  *@internal
+  *@see Area
+  */
+class DrawZone : public QScrollView  {
+public:
+
+  DrawZone(QWidget *parent,KImageMapEditor* _imageMapEditor);
+  ~DrawZone();
+
+  QImage picture() const;
+  void repaintArea(const Area & a);
+  void repaintRect(const QRect & r);
+  void cancelDrawing();
+
+  void setPicture(const QImage &_image);
+  void setZoom(double z);
+
+  QPoint translateFromZoom(const QPoint & p) const;
+  QRect translateFromZoom(const QRect & p) const;
+  QPoint translateToZoom(const QPoint & p) const;
+  QRect translateToZoom(const QRect & p) const;
+
+  QRect getImageRect() const { return image.rect(); }
+
+
+protected:
+
+  virtual void contentsMouseDoubleClickEvent(QMouseEvent*);
+  virtual void contentsMousePressEvent(QMouseEvent*);
+  virtual void contentsMouseReleaseEvent(QMouseEvent*);
+  virtual void contentsMouseMoveEvent(QMouseEvent*);
+  virtual void resizeEvent(QResizeEvent*);
+  virtual void drawContents(QPainter*,int,int,int,int);
+  virtual void viewportDropEvent(QDropEvent*);
+  virtual void contentsDragEnterEvent(QDragEnterEvent*);
+  virtual void contentsDropEvent(QDropEvent*);
+  
+  /**
+  * Represents whats currently going on
+  * @li None : Nothing
+  * @li DrawCircle : The user is drawing a circle
+  * @li DrawRectangle : The user is drawing a rectangle
+  * @li MoveSelectionPoint : The user is resizing an @ref Area or moving a polygon point
+  * @li MoveArea : The user is moving an @ref Area
+  * @li DoSelect : The user makes a selection rectangle
+  */
+  enum DrawAction { None, DrawCircle, DrawRectangle, DrawPolygon, DrawFreehand, MoveSelectionPoint, MoveArea, DoSelect, RemovePoint, AddPoint };
+
+  void createBorderRectangles(const QRect & r,QRect & rb,QRect & lb,QRect & tb,QRect & bb);
+
+private:
+
+  DrawAction currentAction;
+  // The currently drawing area
+  Area *currentArea;
+  // Needed when moving selectionpoints
+  QRect *currentSelectionPoint;
+  // The point where the user clicked the mouse
+  QPoint drawStart;
+  QPoint drawCurrent;
+  // The original image
+  QImage image;
+  KImageMapEditor *imageMapEditor;
+  // Only the rect of the zoomed image, perhaps redundant
+  QRect imageRect;
+  // Only for repaint issues
+  Area *oldArea;
+
+  QRect oldSelectionRect;
+  // Holds the zoomed image for efficiency reasons
+  QPixmap zoomedImage;
+  // The current zoom-factor
+  double _zoom;
+
+  QCursor RectangleCursor;
+  QCursor CircleCursor;
+  QCursor PolygonCursor;
+  QCursor FreehandCursor;
+  QCursor AddPointCursor;
+  QCursor RemovePointCursor;
+};
+
+inline QImage DrawZone::picture() const {
+  return image;
+}
+
+
+#endif