/********************************************************************************
* *
* B i t m a p V i e w W i d g e t *
* *
*********************************************************************************
* Copyright (C) 2000,2005 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXBitmapView.h 2335 2006-01-28 02:33:03Z lyle $ *
********************************************************************************/
#ifndef FXBITMAPVIEW_H
#define FXBITMAPVIEW_H
#ifndef FXSCROLLAREA_H
#include "FXScrollArea.h"
#endif
namespace FX {
class FXBitmap;
/// Bitmap alignment styles
enum {
BITMAPVIEW_NORMAL = 0, /// Normal mode is centered
BITMAPVIEW_CENTER_X = 0, /// Centered horizontally
BITMAPVIEW_LEFT = 0x00100000, /// Left-aligned
BITMAPVIEW_RIGHT = 0x00200000, /// Right-aligned
BITMAPVIEW_CENTER_Y = 0, /// Centered vertically
BITMAPVIEW_TOP = 0x00400000, /// Top-aligned
BITMAPVIEW_BOTTOM = 0x00800000 /// Bottom-aligned
};
/**
* The Bitmap View widget display a scrollable view of a monochrome bitmap image;
* the bitmap is not owned by the bitmap frame so it must be explicitly deleted
* elsewhere. Thus, a single bitmap image can be displayed inside multiple bitmap
* view widgets.
*/
class FXAPI FXBitmapView : public FXScrollArea {
FXDECLARE(FXBitmapView)
protected:
FXBitmap *bitmap; // Image to view
FXColor onColor; // Color for on pixels
FXColor offColor; // Color for off pixels
FXint grabx; // Grab point x
FXint graby; // Grab point y
protected:
FXBitmapView();
private:
FXBitmapView(const FXBitmapView&);
FXBitmapView &operator=(const FXBitmapView&);
public:
long onPaint(FXObject*,FXSelector,void*);
long onMotion(FXObject*,FXSelector,void*);
long onRightBtnPress(FXObject*,FXSelector,void*);
long onRightBtnRelease(FXObject*,FXSelector,void*);
public:
enum {
ID_XYZ=FXScrollArea::ID_LAST,
ID_LAST
};
public:
/// Construct a scroll window
FXBitmapView(FXComposite* p,FXBitmap* bmp=NULL,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
/// Create server-side resources
virtual void create();
/// Detach server-side resources
virtual void detach();
/// Perform layout immediately
virtual void layout();
/// Image view widget can receive focus
virtual bool canFocus() const;
/// Return the width of the contents
virtual FXint getContentWidth();
/// Return the height of the contents
virtual FXint getContentHeight();
/// Change image
void setBitmap(FXBitmap* bmp);
/// Return image
FXBitmap* getBitmap() const { return bitmap; }
/// Set on color
void setOnColor(FXColor clr);
/// Get on color
FXColor getOnColor() const { return onColor; }
/// Set off color
void setOffColor(FXColor clr);
/// Get off color
FXColor getOffColor() const { return offColor; }
/// Set the current alignment.
void setAlignment(FXuint mode);
/// Get the current alignment.
FXuint getAlignment() const;
/// Save list to a stream
virtual void save(FXStream& store) const;
/// Load list from a stream
virtual void load(FXStream& store);
/// Destroy
virtual ~FXBitmapView();
};
}
#endif