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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite9ae80694875f869892f13f4fcaf1170a00dea41 (patch)
treeaa2f8d8a217e2d376224c8d46b7397b68d35de2d /kimagemapeditor/drawzone.h
downloadtdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.tar.gz
tdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ imagemap.h - description
+ -------------------
+ begin : Wed Apr 4 2001
+ copyright : (C) 2001 by Jan Sch�fer
+***************************************************************************/
+
+/***************************************************************************
+* *
+* 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