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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | e9ae80694875f869892f13f4fcaf1170a00dea41 (patch) | |
tree | aa2f8d8a217e2d376224c8d46b7397b68d35de2d /kimagemapeditor/drawzone.h | |
download | tdewebdev-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
Diffstat (limited to 'kimagemapeditor/drawzone.h')
-rw-r--r-- | kimagemapeditor/drawzone.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/kimagemapeditor/drawzone.h b/kimagemapeditor/drawzone.h new file mode 100644 index 00000000..764e6951 --- /dev/null +++ b/kimagemapeditor/drawzone.h @@ -0,0 +1,122 @@ +/*************************************************************************** + imagemap.h - description + ------------------- + begin : Wed Apr 4 2001 + copyright : (C) 2001 by Jan Schäfer + email : janschaefer@users.sourceforge.net +***************************************************************************/ + +/*************************************************************************** +* * +* 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 Schäfer + *@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 |