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//---------------------------------------------------------------------------
//
// PicViewDoc.h : interface of the CPicViewDoc class
//
//---------------------------------------------------------------------------
#if !defined(AFX_PICVIEWDOC_H__B0317E15_FD82_4FE5_9059_20021EC10A29__INCLUDED_)
#define AFX_PICVIEWDOC_H__B0317E15_FD82_4FE5_9059_20021EC10A29__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#include <imgdecmp.h>
class CPicViewDoc : public CDocument
{
protected: // create from serialization only
CPicViewDoc();
DECLARE_DYNCREATE(CPicViewDoc)
enum ZoomLimits
{
zoomDelta = 10,
zoomMin = 10,
zoomDef = 100,
zoomMax = 800
};
// Attributes
public:
// Operations
public:
HBITMAP GetBitmap () {return m_hBmp;}
int GetWidth () {return m_nWidth;}
int GetHeight () {return m_nHeight;}
int GetZoom () {return m_nZoom;}
int GetZoomWidth () {return m_nWidth * m_nZoom / 100;}
int GetZoomHeight () {return m_nHeight * m_nZoom / 100;}
int ScaleScreen (int x) {return x * 100 / m_nZoom;}
int ScaleBitmap (int x) {return x * m_nZoom / 100;}
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CPicViewDoc)
public:
virtual BOOL OnNewDocument();
virtual void Serialize(CArchive& ar);
//}}AFX_VIRTUAL
// Implementation
public:
virtual ~CPicViewDoc();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
HBITMAP m_hBmp;
int m_nWidth,
m_nHeight,
m_nZoom;
static DWORD CALLBACK GetImageData(LPSTR pBuf, DWORD dwBufMax, LPARAM lParam);
static void CALLBACK ImageProgress(IImageRender *pRender, BOOL bComplete, LPARAM lParam);
protected:
// Generated message map functions
//{{AFX_MSG(CPicViewDoc)
afx_msg void OnUpdateZoomMinus(CCmdUI* pCmdUI);
afx_msg void OnZoomMinus();
afx_msg void OnUpdateZoomPlus(CCmdUI* pCmdUI);
afx_msg void OnZoomPlus();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft eMbedded Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_PICVIEWDOC_H__B0317E15_FD82_4FE5_9059_20021EC10A29__INCLUDED_)
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I work on R&D for Frotcom International, a company that develops web-based fleet management solutions.