ImageBox.h

// Name:        ImageBox.h
// Purpose:     wxImageBox class
// Author:      Alex Thuering
// Created:             8.10.2003
// RCS-ID:      $Id: ImageBox.h,v 1.4 2003/11/06 12:46:59 ntalex Exp $
// Copyright:   (c) Alex Thuering
// Licence:     wxWindows licence

#ifndef WXVILLALIB_IMAGEBOX_H
#define WXVILLALIB_IMAGEBOX_H

#include <wx/wx.h>
#include <wx/image.h>
#include <wx/filename.h>

class wxPaintBox: public wxScrolledWindow
{
  public:
    wxPaintBox(wxWindow *parent, wxWindowID id = -1);
    ~wxPaintBox() {}
    wxBitmap& GetBuffer() { return *m_buffer; }
    virtual void Update() {}

  protected:
    wxBitmap *m_buffer;
    int m_bufferX, m_bufferY;
    int m_imageWidth, m_imageHeight;
    virtual void OnPaint(wxPaintEvent &event);
    void OnEraseBackground(wxEraseEvent &event);
    DECLARE_EVENT_TABLE()
};

const int scFIT_TO_PAGE = -1;
const int scFIT_TO_WIDTH = -2;
const int scFIT_TO_HEIGHT = -3;

class wxImageBox: public wxPaintBox
{
  public:
    wxImageBox(wxWindow *parent, wxWindowID id = -1);
        bool LoadFile(wxString fname);
    virtual void Clear();
    virtual bool IsEmpty();
        
        virtual void Update();
        virtual void UpdatePaintBox();
        
    void SetScale(double scale = scFIT_TO_PAGE);
    float GetScale() { return m_scaleV; }
    float GetScaleValue() { return m_scale; }
    wxImage& GetImage() { return m_image; }
        
        void SetPopupMenu(wxMenu* menu) { m_pmenu = menu; }
        wxMenu* GetPopupMenu() { return m_pmenu; }

  protected:
    wxImage m_image;
    double m_scale;
    double m_scaleV;
        bool m_repaint;
        wxMenu* m_pmenu;
    bool UpdateScaleValue();
    wxRect getPaintRect();
    virtual void Paint();
        virtual void PaintImg(wxImage& img);
    void OnPaint(wxPaintEvent &event);
    void OnResize(wxSizeEvent &event);
        virtual void OnMouseRightButton(wxMouseEvent &event);
    DECLARE_EVENT_TABLE()
};

wxRect ScaleRect(wxRect rect, double scale);

BEGIN_DECLARE_EVENT_TYPES()
  DECLARE_EVENT_TYPE(EVT_COMMAND_IMAGEBOX_IMAGE_CHANGED, 3300)
END_DECLARE_EVENT_TYPES()

#define EVT_IMAGEBOX_IMAGE_CHANGED(id, fn)\
 DECLARE_EVENT_TABLE_ENTRY(EVT_COMMAND_IMAGEBOX_IMAGE_CHANGED, id,\
 wxID_ANY,\
 (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction)& fn, NULL),

#endif // WXVILLALIB_IMAGEBOX_H

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