2877 lines
74 KiB
C++
2877 lines
74 KiB
C++
// WTL Version 3.1
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// Copyright (C) 1997-2000 Microsoft Corporation
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// All rights reserved.
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//
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// This file is a part of Windows Template Library.
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// The code and information is provided "as-is" without
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// warranty of any kind, either expressed or implied.
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#ifndef __ATLGDI_H__
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#define __ATLGDI_H__
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#pragma once
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#ifndef __cplusplus
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#error ATL requires C++ compilation (use a .cpp suffix)
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#endif
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#ifndef __ATLBASE_H__
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#error atlgdi.h requires atlbase.h to be included first
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#endif
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// protect template members from windowsx.h macros
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#ifdef _INC_WINDOWSX
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#undef CopyRgn
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#undef CreateBrush
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#undef CreatePen
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#undef SelectBrush
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#undef SelectPen
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#undef SelectFont
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#undef SelectBitmap
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#endif //_INC_WINDOWSX
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// required libraries
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#ifndef _ATL_NO_MSIMG
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#pragma comment(lib, "msimg32.lib")
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#endif //!_ATL_NO_MSIMG
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#ifndef _ATL_NO_OPENGL
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#pragma comment(lib, "opengl32.lib")
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#endif //!_ATL_NO_OPENGL
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namespace WTL
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{
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/////////////////////////////////////////////////////////////////////////////
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// Forward declarations
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template <bool t_bManaged> class CPenT;
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template <bool t_bManaged> class CBrushT;
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template <bool t_bManaged> class CFontT;
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template <bool t_bManaged> class CBitmapT;
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template <bool t_bManaged> class CPaletteT;
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template <bool t_bManaged> class CRgnT;
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template <bool t_bManaged> class CDCT;
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class CPaintDC;
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class CClientDC;
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class CWindowDC;
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class CEnhMetaFileInfo;
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template <bool t_bManaged> class CEnhMetaFileT;
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class CEnhMetaFileDC;
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/////////////////////////////////////////////////////////////////////////////
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// CPen
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typedef CPenT<false> CPenHandle;
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typedef CPenT<true> CPen;
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template <bool t_bManaged>
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class CPenT
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{
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public:
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// Data members
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HPEN m_hPen;
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// Constructor/destructor/operators
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CPenT(HPEN hPen = NULL) : m_hPen(hPen)
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{ }
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~CPenT()
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{
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if(t_bManaged && m_hPen != NULL)
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DeleteObject();
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}
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CPenT<t_bManaged>& operator=(HPEN hPen)
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{
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m_hPen = hPen;
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return *this;
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}
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void Attach(HPEN hPen)
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{
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if(t_bManaged && m_hPen != NULL)
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::DeleteObject(m_hPen);
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m_hPen = hPen;
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}
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HPEN Detach()
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{
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HPEN hPen = m_hPen;
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m_hPen = NULL;
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return hPen;
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}
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operator HPEN() const { return m_hPen; }
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bool IsNull() const { return (m_hPen == NULL); }
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// Create methods
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HPEN CreatePen(int nPenStyle, int nWidth, COLORREF crColor)
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{
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ATLASSERT(m_hPen == NULL);
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m_hPen = ::CreatePen(nPenStyle, nWidth, crColor);
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return m_hPen;
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}
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HPEN CreatePen(int nPenStyle, int nWidth, const LOGBRUSH* pLogBrush, int nStyleCount = 0, const DWORD* lpStyle = NULL)
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{
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ATLASSERT(m_hPen == NULL);
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m_hPen = ::ExtCreatePen(nPenStyle, nWidth, pLogBrush, nStyleCount, lpStyle);
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return m_hPen;
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}
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HPEN CreatePenIndirect(LPLOGPEN lpLogPen)
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{
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ATLASSERT(m_hPen == NULL);
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m_hPen = ::CreatePenIndirect(lpLogPen);
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return m_hPen;
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}
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BOOL DeleteObject()
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{
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ATLASSERT(m_hPen != NULL);
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BOOL bRet = ::DeleteObject(m_hPen);
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if(bRet)
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m_hPen = NULL;
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return bRet;
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}
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// Attributes
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int GetLogPen(LOGPEN* pLogPen) const
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{
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ATLASSERT(m_hPen != NULL);
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return ::GetObject(m_hPen, sizeof(LOGPEN), pLogPen);
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}
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bool GetLogPen(LOGPEN& LogPen) const
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{
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ATLASSERT(m_hPen != NULL);
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return (::GetObject(m_hPen, sizeof(LOGPEN), &LogPen) == sizeof(LOGPEN));
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}
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int GetExtLogPen(EXTLOGPEN* pLogPen) const
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{
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ATLASSERT(m_hPen != NULL);
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return ::GetObject(m_hPen, sizeof(EXTLOGPEN), pLogPen);
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}
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bool GetExtLogPen(EXTLOGPEN& ExtLogPen) const
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{
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ATLASSERT(m_hPen != NULL);
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return (::GetObject(m_hPen, sizeof(EXTLOGPEN), &ExtLogPen) == sizeof(EXTLOGPEN));
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}
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};
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/////////////////////////////////////////////////////////////////////////////
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// CBrush
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typedef CBrushT<false> CBrushHandle;
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typedef CBrushT<true> CBrush;
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template <bool t_bManaged>
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class CBrushT
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{
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public:
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// Data members
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HBRUSH m_hBrush;
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// Constructor/destructor/operators
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CBrushT(HBRUSH hBrush = NULL) : m_hBrush(hBrush)
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{ }
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~CBrushT()
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{
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if(t_bManaged && m_hBrush != NULL)
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DeleteObject();
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}
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CBrushT<t_bManaged>& operator=(HBRUSH hBrush)
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{
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m_hBrush = hBrush;
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return *this;
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}
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void Attach(HBRUSH hBrush)
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{
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if(t_bManaged && m_hBrush != NULL)
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::DeleteObject(m_hBrush);
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m_hBrush = hBrush;
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}
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HBRUSH Detach()
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{
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HBRUSH hBrush = m_hBrush;
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m_hBrush = NULL;
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return hBrush;
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}
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operator HBRUSH() const { return m_hBrush; }
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bool IsNull() const { return (m_hBrush == NULL); }
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// Create methods
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HBRUSH CreateSolidBrush(COLORREF crColor)
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{
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ATLASSERT(m_hBrush == NULL);
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m_hBrush = ::CreateSolidBrush(crColor);
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return m_hBrush;
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}
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HBRUSH CreateHatchBrush(int nIndex, COLORREF crColor)
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{
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ATLASSERT(m_hBrush == NULL);
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m_hBrush = ::CreateHatchBrush(nIndex, crColor);
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return m_hBrush;
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}
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HBRUSH CreateBrushIndirect(const LOGBRUSH* lpLogBrush)
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{
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ATLASSERT(m_hBrush == NULL);
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m_hBrush = ::CreateBrushIndirect(lpLogBrush);
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return m_hBrush;
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}
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HBRUSH CreatePatternBrush(HBITMAP hBitmap)
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{
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ATLASSERT(m_hBrush == NULL);
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m_hBrush = ::CreatePatternBrush(hBitmap);
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return m_hBrush;
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}
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HBRUSH CreateDIBPatternBrush(HGLOBAL hPackedDIB, UINT nUsage)
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{
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ATLASSERT(hPackedDIB != NULL);
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const void* lpPackedDIB = ::GlobalLock(hPackedDIB);
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ATLASSERT(lpPackedDIB != NULL);
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m_hBrush = ::CreateDIBPatternBrushPt(lpPackedDIB, nUsage);
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::GlobalUnlock(hPackedDIB);
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return m_hBrush;
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}
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HBRUSH CreateDIBPatternBrush(const void* lpPackedDIB, UINT nUsage)
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{
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ATLASSERT(m_hBrush == NULL);
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m_hBrush = ::CreateDIBPatternBrushPt(lpPackedDIB, nUsage);
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return m_hBrush;
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}
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HBRUSH CreateSysColorBrush(int nIndex)
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{
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ATLASSERT(m_hBrush == NULL);
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m_hBrush = ::GetSysColorBrush(nIndex);
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return m_hBrush;
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}
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BOOL DeleteObject()
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{
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ATLASSERT(m_hBrush != NULL);
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BOOL bRet = ::DeleteObject(m_hBrush);
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if(bRet)
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m_hBrush = NULL;
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return bRet;
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}
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// Attributes
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int GetLogBrush(LOGBRUSH* pLogBrush) const
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{
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ATLASSERT(m_hBrush != NULL);
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return ::GetObject(m_hBrush, sizeof(LOGBRUSH), pLogBrush);
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}
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bool GetLogBrush(LOGBRUSH& LogBrush) const
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{
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ATLASSERT(m_hBrush != NULL);
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return (::GetObject(m_hBrush, sizeof(LOGBRUSH), &LogBrush) == sizeof(LOGBRUSH));
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}
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};
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/////////////////////////////////////////////////////////////////////////////
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// CFont
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typedef CFontT<false> CFontHandle;
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typedef CFontT<true> CFont;
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template <bool t_bManaged>
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class CFontT
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{
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public:
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// Data members
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HFONT m_hFont;
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// Constructor/destructor/operators
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CFontT(HFONT hFont = NULL) : m_hFont(hFont)
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{ }
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~CFontT()
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{
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if(t_bManaged && m_hFont != NULL)
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DeleteObject();
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}
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CFontT<t_bManaged>& operator=(HFONT hFont)
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{
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m_hFont = hFont;
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return *this;
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}
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void Attach(HFONT hFont)
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{
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if(t_bManaged && m_hFont != NULL)
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::DeleteObject(m_hFont);
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m_hFont = hFont;
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}
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HFONT Detach()
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{
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HFONT hFont = m_hFont;
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m_hFont = NULL;
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return hFont;
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}
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operator HFONT() const { return m_hFont; }
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bool IsNull() const { return (m_hFont == NULL); }
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// Create methods
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HFONT CreateFontIndirect(const LOGFONT* lpLogFont)
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{
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ATLASSERT(m_hFont == NULL);
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m_hFont = ::CreateFontIndirect(lpLogFont);
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return m_hFont;
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}
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#if (_WIN32_WINNT >= 0x0500)
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HFONT CreateFontIndirectEx(CONST ENUMLOGFONTEXDV* penumlfex)
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{
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ATLASSERT(m_hFont == NULL);
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m_hFont = ::CreateFontIndirectEx(penumlfex);
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return m_hFont;
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}
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#endif //(_WIN32_WINNT >= 0x0500)
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HFONT CreateFont(int nHeight, int nWidth, int nEscapement,
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int nOrientation, int nWeight, BYTE bItalic, BYTE bUnderline,
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BYTE cStrikeOut, BYTE nCharSet, BYTE nOutPrecision,
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BYTE nClipPrecision, BYTE nQuality, BYTE nPitchAndFamily,
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LPCTSTR lpszFacename)
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{
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ATLASSERT(m_hFont == NULL);
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m_hFont = ::CreateFont(nHeight, nWidth, nEscapement,
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nOrientation, nWeight, bItalic, bUnderline, cStrikeOut,
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nCharSet, nOutPrecision, nClipPrecision, nQuality,
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nPitchAndFamily, lpszFacename);
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return m_hFont;
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}
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HFONT CreatePointFont(int nPointSize, LPCTSTR lpszFaceName, HDC hDC = NULL)
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{
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LOGFONT logFont;
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memset(&logFont, 0, sizeof(LOGFONT));
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logFont.lfCharSet = DEFAULT_CHARSET;
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logFont.lfHeight = nPointSize;
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lstrcpyn(logFont.lfFaceName, lpszFaceName, sizeof(logFont.lfFaceName)/sizeof(TCHAR));
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return CreatePointFontIndirect(&logFont, hDC);
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}
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HFONT CreatePointFontIndirect(const LOGFONT* lpLogFont, HDC hDC = NULL)
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{
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HDC hDC1 = (hDC != NULL) ? hDC : (::GetDC(NULL));
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// convert nPointSize to logical units based on hDC
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LOGFONT logFont = *lpLogFont;
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POINT pt;
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pt.y = ::GetDeviceCaps(hDC1, LOGPIXELSY) * logFont.lfHeight;
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pt.y /= 720; // 72 points/inch, 10 decipoints/point
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::DPtoLP(hDC1, &pt, 1);
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POINT ptOrg = { 0, 0 };
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::DPtoLP(hDC1, &ptOrg, 1);
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logFont.lfHeight = -abs(pt.y - ptOrg.y);
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if(hDC == NULL)
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::ReleaseDC(NULL, hDC1);
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return CreateFontIndirect(&logFont);
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}
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BOOL DeleteObject()
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{
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ATLASSERT(m_hFont != NULL);
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BOOL bRet = ::DeleteObject(m_hFont);
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if(bRet)
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m_hFont = NULL;
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return bRet;
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}
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// Attributes
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int GetLogFont(LOGFONT* pLogFont) const
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{
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ATLASSERT(m_hFont != NULL);
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return ::GetObject(m_hFont, sizeof(LOGFONT), pLogFont);
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}
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bool GetLogFont(LOGFONT& LogFont) const
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{
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ATLASSERT(m_hFont != NULL);
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return (::GetObject(m_hFont, sizeof(LOGFONT), &LogFont) == sizeof(LOGFONT));
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}
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};
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/////////////////////////////////////////////////////////////////////////////
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// CBitmap
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typedef CBitmapT<false> CBitmapHandle;
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typedef CBitmapT<true> CBitmap;
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template <bool t_bManaged>
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class CBitmapT
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{
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public:
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// Data members
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HBITMAP m_hBitmap;
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// Constructor/destructor/operators
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CBitmapT(HBITMAP hBitmap = NULL) : m_hBitmap(hBitmap)
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{ }
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~CBitmapT()
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{
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if(t_bManaged && m_hBitmap != NULL)
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DeleteObject();
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}
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CBitmapT<t_bManaged>& operator=(HBITMAP hBitmap)
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{
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m_hBitmap = hBitmap;
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return *this;
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}
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void Attach(HBITMAP hBitmap)
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{
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if(t_bManaged && m_hBitmap != NULL)
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::DeleteObject(m_hBitmap);
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m_hBitmap = hBitmap;
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}
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HBITMAP Detach()
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{
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HBITMAP hBitmap = m_hBitmap;
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m_hBitmap = NULL;
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return hBitmap;
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}
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operator HBITMAP() const { return m_hBitmap; }
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bool IsNull() const { return (m_hBitmap == NULL); }
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// Create and load methods
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HBITMAP LoadBitmap(_U_STRINGorID bitmap)
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::LoadBitmap(_Module.GetResourceInstance(), bitmap.m_lpstr);
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return m_hBitmap;
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}
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HBITMAP LoadOEMBitmap(UINT nIDBitmap) // for OBM_/OCR_/OIC_
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::LoadBitmap(NULL, MAKEINTRESOURCE(nIDBitmap));
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return m_hBitmap;
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}
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HBITMAP LoadMappedBitmap(UINT nIDBitmap, UINT nFlags = 0, LPCOLORMAP lpColorMap = NULL, int nMapSize = 0)
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::CreateMappedBitmap(_Module.GetResourceInstance(), nIDBitmap, (WORD)nFlags, lpColorMap, nMapSize);
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return m_hBitmap;
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}
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HBITMAP CreateBitmap(int nWidth, int nHeight, UINT nPlanes, UINT nBitcount, const void* lpBits)
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::CreateBitmap(nWidth, nHeight, nPlanes, nBitcount, lpBits);
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return m_hBitmap;
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}
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HBITMAP CreateBitmapIndirect(LPBITMAP lpBitmap)
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::CreateBitmapIndirect(lpBitmap);
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return m_hBitmap;
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}
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HBITMAP CreateCompatibleBitmap(HDC hDC, int nWidth, int nHeight)
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::CreateCompatibleBitmap(hDC, nWidth, nHeight);
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return m_hBitmap;
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}
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HBITMAP CreateDiscardableBitmap(HDC hDC, int nWidth, int nHeight)
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{
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ATLASSERT(m_hBitmap == NULL);
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m_hBitmap = ::CreateDiscardableBitmap(hDC, nWidth, nHeight);
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return m_hBitmap;
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}
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BOOL DeleteObject()
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{
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ATLASSERT(m_hBitmap != NULL);
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BOOL bRet = ::DeleteObject(m_hBitmap);
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if(bRet)
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m_hBitmap = NULL;
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return bRet;
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}
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// Attributes
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int GetBitmap(BITMAP* pBitMap) const
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{
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ATLASSERT(m_hBitmap != NULL);
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return ::GetObject(m_hBitmap, sizeof(BITMAP), pBitMap);
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}
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bool GetBitmap(BITMAP& bm) const
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{
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ATLASSERT(m_hBitmap != NULL);
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return (::GetObject(m_hBitmap, sizeof(BITMAP), &bm) == sizeof(BITMAP));
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}
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bool GetSize(SIZE& size) const
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{
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ATLASSERT(m_hBitmap != NULL);
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BITMAP bm;
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if(!GetBitmap(&bm))
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return false;
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size.cx = bm.bmWidth;
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size.cy = bm.bmHeight;
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return true;
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}
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DWORD GetBitmapBits(DWORD dwCount, LPVOID lpBits) const
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{
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ATLASSERT(m_hBitmap != NULL);
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return ::GetBitmapBits(m_hBitmap, dwCount, lpBits);
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}
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DWORD SetBitmapBits(DWORD dwCount, const void* lpBits)
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{
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ATLASSERT(m_hBitmap != NULL);
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return ::SetBitmapBits(m_hBitmap, dwCount, lpBits);
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}
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BOOL GetBitmapDimension(LPSIZE lpSize) const
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{
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ATLASSERT(m_hBitmap != NULL);
|
|
return ::GetBitmapDimensionEx(m_hBitmap, lpSize);
|
|
}
|
|
BOOL SetBitmapDimension(int nWidth, int nHeight, LPSIZE lpSize = NULL)
|
|
{
|
|
ATLASSERT(m_hBitmap != NULL);
|
|
return ::SetBitmapDimensionEx(m_hBitmap, nWidth, nHeight, lpSize);
|
|
}
|
|
|
|
// DIB support
|
|
HBITMAP CreateDIBitmap(HDC hDC, CONST BITMAPINFOHEADER* lpbmih, DWORD dwInit, CONST VOID* lpbInit, CONST BITMAPINFO* lpbmi, UINT uColorUse)
|
|
{
|
|
ATLASSERT(m_hBitmap == NULL);
|
|
m_hBitmap = ::CreateDIBitmap(hDC, lpbmih, dwInit, lpbInit, lpbmi, uColorUse);
|
|
return m_hBitmap;
|
|
}
|
|
HBITMAP CreateDIBSection(HDC hDC, CONST BITMAPINFO* lpbmi, UINT uColorUse, VOID** ppvBits, HANDLE hSection, DWORD dwOffset)
|
|
{
|
|
ATLASSERT(m_hBitmap == NULL);
|
|
m_hBitmap = ::CreateDIBSection(hDC, lpbmi, uColorUse, ppvBits, hSection, dwOffset);
|
|
return m_hBitmap;
|
|
}
|
|
int GetDIBits(HDC hDC, UINT uStartScan, UINT cScanLines, LPVOID lpvBits, LPBITMAPINFO lpbmi, UINT uColorUse) const
|
|
{
|
|
ATLASSERT(m_hBitmap != NULL);
|
|
return ::GetDIBits(hDC, m_hBitmap, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse);
|
|
}
|
|
int SetDIBits(HDC hDC, UINT uStartScan, UINT cScanLines, CONST VOID* lpvBits, CONST BITMAPINFO* lpbmi, UINT uColorUse)
|
|
{
|
|
ATLASSERT(m_hBitmap != NULL);
|
|
return ::SetDIBits(hDC, m_hBitmap, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse);
|
|
}
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CPalette
|
|
|
|
typedef CPaletteT<false> CPaletteHandle;
|
|
typedef CPaletteT<true> CPalette;
|
|
|
|
template <bool t_bManaged>
|
|
class CPaletteT
|
|
{
|
|
public:
|
|
// Data members
|
|
HPALETTE m_hPalette;
|
|
|
|
// Constructor/destructor/operators
|
|
CPaletteT(HPALETTE hPalette = NULL) : m_hPalette(hPalette)
|
|
{ }
|
|
|
|
~CPaletteT()
|
|
{
|
|
if(t_bManaged && m_hPalette != NULL)
|
|
DeleteObject();
|
|
}
|
|
|
|
CPaletteT<t_bManaged>& operator=(HPALETTE hPalette)
|
|
{
|
|
m_hPalette = hPalette;
|
|
return *this;
|
|
}
|
|
|
|
void Attach(HPALETTE hPalette)
|
|
{
|
|
if(t_bManaged && m_hPalette != NULL)
|
|
::DeleteObject(m_hPalette);
|
|
m_hPalette = hPalette;
|
|
}
|
|
HPALETTE Detach()
|
|
{
|
|
HPALETTE hPalette = m_hPalette;
|
|
m_hPalette = NULL;
|
|
return hPalette;
|
|
}
|
|
|
|
operator HPALETTE() const { return m_hPalette; }
|
|
|
|
bool IsNull() const { return (m_hPalette == NULL); }
|
|
|
|
// Create methods
|
|
HPALETTE CreatePalette(LPLOGPALETTE lpLogPalette)
|
|
{
|
|
ATLASSERT(m_hPalette == NULL);
|
|
m_hPalette = ::CreatePalette(lpLogPalette);
|
|
return m_hPalette;
|
|
}
|
|
HPALETTE CreateHalftonePalette(HDC hDC)
|
|
{
|
|
ATLASSERT(m_hPalette == NULL);
|
|
ATLASSERT(hDC != NULL);
|
|
m_hPalette = ::CreateHalftonePalette(hDC);
|
|
return m_hPalette;
|
|
}
|
|
|
|
BOOL DeleteObject()
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
BOOL bRet = ::DeleteObject(m_hPalette);
|
|
if(bRet)
|
|
m_hPalette = NULL;
|
|
return bRet;
|
|
}
|
|
|
|
// Attributes
|
|
int GetEntryCount() const
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
WORD nEntries;
|
|
::GetObject(m_hPalette, sizeof(WORD), &nEntries);
|
|
return (int)nEntries;
|
|
}
|
|
UINT GetPaletteEntries(UINT nStartIndex, UINT nNumEntries, LPPALETTEENTRY lpPaletteColors) const
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
return ::GetPaletteEntries(m_hPalette, nStartIndex, nNumEntries, lpPaletteColors);
|
|
}
|
|
UINT SetPaletteEntries(UINT nStartIndex, UINT nNumEntries, LPPALETTEENTRY lpPaletteColors)
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
return ::SetPaletteEntries(m_hPalette, nStartIndex, nNumEntries, lpPaletteColors);
|
|
}
|
|
|
|
// Operations
|
|
void AnimatePalette(UINT nStartIndex, UINT nNumEntries, LPPALETTEENTRY lpPaletteColors)
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
::AnimatePalette(m_hPalette, nStartIndex, nNumEntries, lpPaletteColors);
|
|
}
|
|
BOOL ResizePalette(UINT nNumEntries)
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
return ::ResizePalette(m_hPalette, nNumEntries);
|
|
}
|
|
UINT GetNearestPaletteIndex(COLORREF crColor) const
|
|
{
|
|
ATLASSERT(m_hPalette != NULL);
|
|
return ::GetNearestPaletteIndex(m_hPalette, crColor);
|
|
}
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CRgn
|
|
|
|
typedef CRgnT<false> CRgnHandle;
|
|
typedef CRgnT<true> CRgn;
|
|
|
|
template <bool t_bManaged>
|
|
class CRgnT
|
|
{
|
|
public:
|
|
// Data members
|
|
HRGN m_hRgn;
|
|
|
|
// Constructor/destructor/operators
|
|
CRgnT(HRGN hRgn = NULL) : m_hRgn(hRgn)
|
|
{ }
|
|
|
|
~CRgnT()
|
|
{
|
|
if(t_bManaged && m_hRgn != NULL)
|
|
DeleteObject();
|
|
}
|
|
|
|
CRgnT<t_bManaged>& operator=(HRGN hRgn)
|
|
{
|
|
m_hRgn = hRgn;
|
|
return *this;
|
|
}
|
|
|
|
void Attach(HRGN hRgn)
|
|
{
|
|
if(t_bManaged && m_hRgn != NULL)
|
|
::DeleteObject(m_hRgn);
|
|
m_hRgn = hRgn;
|
|
}
|
|
HRGN Detach()
|
|
{
|
|
HRGN hRgn = m_hRgn;
|
|
m_hRgn = NULL;
|
|
return hRgn;
|
|
}
|
|
|
|
operator HRGN() const { return m_hRgn; }
|
|
|
|
bool IsNull() const { return (m_hRgn == NULL); }
|
|
|
|
// Create methods
|
|
HRGN CreateRectRgn(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreateRectRgn(x1, y1, x2, y2);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreateRectRgnIndirect(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreateRectRgnIndirect(lpRect);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreateEllipticRgn(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreateEllipticRgn(x1, y1, x2, y2);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreateEllipticRgnIndirect(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreateEllipticRgnIndirect(lpRect);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreatePolygonRgn(LPPOINT lpPoints, int nCount, int nMode)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreatePolygonRgn(lpPoints, nCount, nMode);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreatePolyPolygonRgn(LPPOINT lpPoints, LPINT lpPolyCounts, int nCount, int nPolyFillMode)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreatePolyPolygonRgn(lpPoints, lpPolyCounts, nCount, nPolyFillMode);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreateRoundRectRgn(int x1, int y1, int x2, int y2, int x3, int y3)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::CreateRoundRectRgn(x1, y1, x2, y2, x3, y3);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreateFromPath(HDC hDC)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
ATLASSERT(hDC != NULL);
|
|
m_hRgn = ::PathToRegion(hDC);
|
|
return m_hRgn;
|
|
}
|
|
HRGN CreateFromData(const XFORM* lpXForm, int nCount, const RGNDATA* pRgnData)
|
|
{
|
|
ATLASSERT(m_hRgn == NULL);
|
|
m_hRgn = ::ExtCreateRegion(lpXForm, nCount, pRgnData);
|
|
return m_hRgn;
|
|
}
|
|
|
|
BOOL DeleteObject()
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
BOOL bRet = ::DeleteObject(m_hRgn);
|
|
if(bRet)
|
|
m_hRgn = NULL;
|
|
return bRet;
|
|
}
|
|
|
|
// Operations
|
|
void SetRectRgn(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
::SetRectRgn(m_hRgn, x1, y1, x2, y2);
|
|
}
|
|
void SetRectRgn(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
::SetRectRgn(m_hRgn, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
|
|
}
|
|
int CombineRgn(HRGN hRgnSrc1, HRGN hRgnSrc2, int nCombineMode)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::CombineRgn(m_hRgn, hRgnSrc1, hRgnSrc2, nCombineMode);
|
|
}
|
|
int CombineRgn(HRGN hRgnSrc, int nCombineMode)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::CombineRgn(m_hRgn, m_hRgn, hRgnSrc, nCombineMode);
|
|
}
|
|
int CopyRgn(HRGN hRgnSrc)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::CombineRgn(m_hRgn, hRgnSrc, NULL, RGN_COPY);
|
|
}
|
|
BOOL EqualRgn(HRGN hRgn) const
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::EqualRgn(m_hRgn, hRgn);
|
|
}
|
|
int OffsetRgn(int x, int y)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::OffsetRgn(m_hRgn, x, y);
|
|
}
|
|
int OffsetRgn(POINT point)
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::OffsetRgn(m_hRgn, point.x, point.y);
|
|
}
|
|
int GetRgnBox(LPRECT lpRect) const
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::GetRgnBox(m_hRgn, lpRect);
|
|
}
|
|
BOOL PtInRegion(int x, int y) const
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::PtInRegion(m_hRgn, x, y);
|
|
}
|
|
BOOL PtInRegion(POINT point) const
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::PtInRegion(m_hRgn, point.x, point.y);
|
|
}
|
|
BOOL RectInRegion(LPCRECT lpRect) const
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return ::RectInRegion(m_hRgn, lpRect);
|
|
}
|
|
int GetRegionData(LPRGNDATA lpRgnData, int nDataSize) const
|
|
{
|
|
ATLASSERT(m_hRgn != NULL);
|
|
return (int)::GetRegionData(m_hRgn, nDataSize, lpRgnData);
|
|
}
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CDC - The device context class
|
|
|
|
typedef CDCT<false> CDCHandle;
|
|
typedef CDCT<true> CDC;
|
|
|
|
template <bool t_bManaged>
|
|
class CDCT
|
|
{
|
|
public:
|
|
// Data members
|
|
HDC m_hDC;
|
|
|
|
// Constructor/destructor/operators
|
|
CDCT(HDC hDC = NULL) : m_hDC(hDC)
|
|
{
|
|
}
|
|
|
|
~CDCT()
|
|
{
|
|
if(t_bManaged && m_hDC != NULL)
|
|
::DeleteDC(Detach());
|
|
}
|
|
|
|
CDCT<t_bManaged>& operator=(HDC hDC)
|
|
{
|
|
m_hDC = hDC;
|
|
return *this;
|
|
}
|
|
|
|
void Attach(HDC hDC)
|
|
{
|
|
if(t_bManaged && m_hDC != NULL)
|
|
::DeleteDC(m_hDC);
|
|
m_hDC = hDC;
|
|
}
|
|
|
|
HDC Detach()
|
|
{
|
|
HDC hDC = m_hDC;
|
|
m_hDC = NULL;
|
|
return hDC;
|
|
}
|
|
|
|
operator HDC() const { return m_hDC; }
|
|
|
|
bool IsNull() const { return (m_hDC == NULL); }
|
|
|
|
// Operations
|
|
HWND WindowFromDC() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::WindowFromDC(m_hDC);
|
|
}
|
|
|
|
CPenHandle GetCurrentPen() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return CPenHandle((HPEN)::GetCurrentObject(m_hDC, OBJ_PEN));
|
|
}
|
|
CBrushHandle GetCurrentBrush() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return CBrushHandle((HBRUSH)::GetCurrentObject(m_hDC, OBJ_BRUSH));
|
|
}
|
|
CPaletteHandle GetCurrentPalette() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return CPaletteHandle((HPALETTE)::GetCurrentObject(m_hDC, OBJ_PAL));
|
|
}
|
|
CFontHandle GetCurrentFont() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return CFontHandle((HFONT)::GetCurrentObject(m_hDC, OBJ_FONT));
|
|
}
|
|
CBitmapHandle GetCurrentBitmap() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return CBitmapHandle((HBITMAP)::GetCurrentObject(m_hDC, OBJ_BITMAP));
|
|
}
|
|
|
|
HDC CreateDC(LPCTSTR lpszDriverName, LPCTSTR lpszDeviceName, LPCTSTR lpszOutput, const DEVMODE* lpInitData)
|
|
{
|
|
ATLASSERT(m_hDC == NULL);
|
|
m_hDC = ::CreateDC(lpszDriverName, lpszDeviceName, lpszOutput, lpInitData);
|
|
return m_hDC;
|
|
}
|
|
|
|
HDC CreateCompatibleDC(HDC hDC = NULL)
|
|
{
|
|
ATLASSERT(m_hDC == NULL);
|
|
m_hDC = ::CreateCompatibleDC(hDC);
|
|
return m_hDC;
|
|
}
|
|
|
|
BOOL DeleteDC()
|
|
{
|
|
if(m_hDC == NULL)
|
|
return FALSE;
|
|
|
|
return ::DeleteDC(Detach());
|
|
}
|
|
|
|
// Device-Context Functions
|
|
int SaveDC()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SaveDC(m_hDC);
|
|
}
|
|
|
|
BOOL RestoreDC(int nSavedDC)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::RestoreDC(m_hDC, nSavedDC);
|
|
}
|
|
|
|
int GetDeviceCaps(int nIndex) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetDeviceCaps(m_hDC, nIndex);
|
|
}
|
|
UINT SetBoundsRect(LPCRECT lpRectBounds, UINT flags)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetBoundsRect(m_hDC, lpRectBounds, flags);
|
|
}
|
|
UINT GetBoundsRect(LPRECT lpRectBounds, UINT flags) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetBoundsRect(m_hDC, lpRectBounds, flags);
|
|
}
|
|
BOOL ResetDC(const DEVMODE* lpDevMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ResetDC(m_hDC, lpDevMode) != NULL;
|
|
}
|
|
|
|
// Drawing-Tool Functions
|
|
BOOL GetBrushOrg(LPPOINT lpPoint) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetBrushOrgEx(m_hDC, lpPoint);
|
|
}
|
|
BOOL SetBrushOrg(int x, int y, LPPOINT lpPoint = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetBrushOrgEx(m_hDC, x, y, lpPoint);
|
|
}
|
|
BOOL SetBrushOrg(POINT point, LPPOINT lpPointRet = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetBrushOrgEx(m_hDC, point.x, point.y, lpPointRet);
|
|
}
|
|
int EnumObjects(int nObjectType, int (CALLBACK* lpfn)(LPVOID, LPARAM), LPARAM lpData)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
#ifdef STRICT
|
|
return ::EnumObjects(m_hDC, nObjectType, (GOBJENUMPROC)lpfn, lpData);
|
|
#else
|
|
return ::EnumObjects(m_hDC, nObjectType, (GOBJENUMPROC)lpfn, (LPVOID)lpData);
|
|
#endif
|
|
}
|
|
|
|
// Type-safe selection helpers
|
|
HPEN SelectPen(HPEN hPen)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(hPen == NULL || ::GetObjectType(hPen) == OBJ_PEN || ::GetObjectType(hPen) == OBJ_EXTPEN);
|
|
return (HPEN)::SelectObject(m_hDC, hPen);
|
|
}
|
|
HBRUSH SelectBrush(HBRUSH hBrush)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(hBrush == NULL || ::GetObjectType(hBrush) == OBJ_BRUSH);
|
|
return (HBRUSH)::SelectObject(m_hDC, hBrush);
|
|
}
|
|
HFONT SelectFont(HFONT hFont)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(hFont == NULL || ::GetObjectType(hFont) == OBJ_FONT);
|
|
return (HFONT)::SelectObject(m_hDC, hFont);
|
|
}
|
|
HBITMAP SelectBitmap(HBITMAP hBitmap)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(hBitmap == NULL || ::GetObjectType(hBitmap) == OBJ_BITMAP);
|
|
return (HBITMAP)::SelectObject(m_hDC, hBitmap);
|
|
}
|
|
int SelectRgn(HRGN hRgn) // special return for regions
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(hRgn == NULL || ::GetObjectType(hRgn) == OBJ_REGION);
|
|
return PtrToInt(::SelectObject(m_hDC, hRgn));
|
|
}
|
|
// Type-safe selection helpers for stock objects
|
|
HPEN SelectStockPen(int nPen)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
#if (_WIN32_WINNT >= 0x0500)
|
|
ATLASSERT(nPen == WHITE_PEN || nPen == BLACK_PEN || nPen == NULL_PEN || nPen == DC_PEN);
|
|
#else
|
|
ATLASSERT(nPen == WHITE_PEN || nPen == BLACK_PEN || nPen == NULL_PEN);
|
|
#endif //!(_WIN32_WINNT >= 0x0500)
|
|
return SelectPen((HPEN)::GetStockObject(nPen));
|
|
}
|
|
HBRUSH SelectStockBrush(int nBrush)
|
|
{
|
|
#if (_WIN32_WINNT >= 0x0500)
|
|
ATLASSERT((nBrush >= WHITE_BRUSH && nBrush <= HOLLOW_BRUSH) || nBrush == DC_BRUSH);
|
|
#else
|
|
ATLASSERT(nBrush >= WHITE_BRUSH && nBrush <= HOLLOW_BRUSH);
|
|
#endif //!(_WIN32_WINNT >= 0x0500)
|
|
return SelectBrush((HBRUSH)::GetStockObject(nBrush));
|
|
}
|
|
HFONT SelectStockFont(int nFont)
|
|
{
|
|
ATLASSERT((nFont >= OEM_FIXED_FONT && nFont <= SYSTEM_FIXED_FONT) || nFont == DEFAULT_GUI_FONT);
|
|
return SelectFont((HFONT)::GetStockObject(nFont));
|
|
}
|
|
HPALETTE SelectStockPalette(int nPalette, BOOL bForceBackground)
|
|
{
|
|
ATLASSERT(nPalette == DEFAULT_PALETTE); // the only one supported
|
|
return SelectPalette((HPALETTE)::GetStockObject(nPalette), bForceBackground);
|
|
}
|
|
|
|
// Color and Color Palette Functions
|
|
COLORREF GetNearestColor(COLORREF crColor) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetNearestColor(m_hDC, crColor);
|
|
}
|
|
HPALETTE SelectPalette(HPALETTE hPalette, BOOL bForceBackground)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
|
|
return ::SelectPalette(m_hDC, hPalette, bForceBackground);
|
|
}
|
|
UINT RealizePalette()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::RealizePalette(m_hDC);
|
|
}
|
|
void UpdateColors()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
::UpdateColors(m_hDC);
|
|
}
|
|
|
|
// Drawing-Attribute Functions
|
|
COLORREF GetBkColor() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetBkColor(m_hDC);
|
|
}
|
|
int GetBkMode() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetBkMode(m_hDC);
|
|
}
|
|
int GetPolyFillMode() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetPolyFillMode(m_hDC);
|
|
}
|
|
int GetROP2() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetROP2(m_hDC);
|
|
}
|
|
int GetStretchBltMode() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetStretchBltMode(m_hDC);
|
|
}
|
|
COLORREF GetTextColor() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextColor(m_hDC);
|
|
}
|
|
|
|
COLORREF SetBkColor(COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetBkColor(m_hDC, crColor);
|
|
}
|
|
int SetBkMode(int nBkMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetBkMode(m_hDC, nBkMode);
|
|
}
|
|
int SetPolyFillMode(int nPolyFillMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetPolyFillMode(m_hDC, nPolyFillMode);
|
|
}
|
|
int SetROP2(int nDrawMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetROP2(m_hDC, nDrawMode);
|
|
}
|
|
int SetStretchBltMode(int nStretchMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetStretchBltMode(m_hDC, nStretchMode);
|
|
}
|
|
COLORREF SetTextColor(COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetTextColor(m_hDC, crColor);
|
|
}
|
|
|
|
BOOL GetColorAdjustment(LPCOLORADJUSTMENT lpColorAdjust) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetColorAdjustment(m_hDC, lpColorAdjust);
|
|
}
|
|
BOOL SetColorAdjustment(const COLORADJUSTMENT* lpColorAdjust)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetColorAdjustment(m_hDC, lpColorAdjust);
|
|
}
|
|
|
|
// Mapping Functions
|
|
int GetMapMode() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetMapMode(m_hDC);
|
|
}
|
|
BOOL GetViewportOrg(LPPOINT lpPoint) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetViewportOrgEx(m_hDC, lpPoint);
|
|
}
|
|
int SetMapMode(int nMapMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetMapMode(m_hDC, nMapMode);
|
|
}
|
|
// Viewport Origin
|
|
BOOL SetViewportOrg(int x, int y, LPPOINT lpPoint = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetViewportOrgEx(m_hDC, x, y, lpPoint);
|
|
}
|
|
BOOL SetViewportOrg(POINT point, LPPOINT lpPointRet = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return SetViewportOrg(point.x, point.y, lpPointRet);
|
|
}
|
|
BOOL OffsetViewportOrg(int nWidth, int nHeight, LPPOINT lpPoint = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::OffsetViewportOrgEx(m_hDC, nWidth, nHeight, lpPoint);
|
|
}
|
|
|
|
// Viewport Extent
|
|
BOOL GetViewportExt(LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetViewportExtEx(m_hDC, lpSize);
|
|
}
|
|
BOOL SetViewportExt(int x, int y, LPSIZE lpSize = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetViewportExtEx(m_hDC, x, y, lpSize);
|
|
}
|
|
BOOL SetViewportExt(SIZE size, LPSIZE lpSizeRet = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return SetViewportExt(size.cx, size.cy, lpSizeRet);
|
|
}
|
|
BOOL ScaleViewportExt(int xNum, int xDenom, int yNum, int yDenom, LPSIZE lpSize = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ScaleViewportExtEx(m_hDC, xNum, xDenom, yNum, yDenom, lpSize);
|
|
}
|
|
|
|
// Window Origin
|
|
BOOL GetWindowOrg(LPPOINT lpPoint) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetWindowOrgEx(m_hDC, lpPoint);
|
|
}
|
|
BOOL SetWindowOrg(int x, int y, LPPOINT lpPoint = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetWindowOrgEx(m_hDC, x, y, lpPoint);
|
|
}
|
|
BOOL SetWindowOrg(POINT point, LPPOINT lpPointRet = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return SetWindowOrg(point.x, point.y, lpPointRet);
|
|
}
|
|
BOOL OffsetWindowOrg(int nWidth, int nHeight, LPPOINT lpPoint = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::OffsetWindowOrgEx(m_hDC, nWidth, nHeight, lpPoint);
|
|
}
|
|
|
|
// Window extent
|
|
BOOL GetWindowExt(LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetWindowExtEx(m_hDC, lpSize);
|
|
}
|
|
BOOL SetWindowExt(int x, int y, LPSIZE lpSize = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetWindowExtEx(m_hDC, x, y, lpSize);
|
|
}
|
|
BOOL SetWindowExt(SIZE size, LPSIZE lpSizeRet)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return SetWindowExt(size.cx, size.cy, lpSizeRet);
|
|
}
|
|
BOOL ScaleWindowExt(int xNum, int xDenom, int yNum, int yDenom, LPSIZE lpSize = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ScaleWindowExtEx(m_hDC, xNum, xDenom, yNum, yDenom, lpSize);
|
|
}
|
|
|
|
// Coordinate Functions
|
|
BOOL DPtoLP(LPPOINT lpPoints, int nCount = 1) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DPtoLP(m_hDC, lpPoints, nCount);
|
|
}
|
|
BOOL DPtoLP(LPRECT lpRect) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DPtoLP(m_hDC, (LPPOINT)lpRect, 2);
|
|
}
|
|
BOOL DPtoLP(LPSIZE lpSize) const
|
|
{
|
|
SIZE sizeWinExt;
|
|
if(!GetWindowExt(&sizeWinExt))
|
|
return FALSE;
|
|
SIZE sizeVpExt;
|
|
if(!GetViewportExt(&sizeVpExt))
|
|
return FALSE;
|
|
lpSize->cx = MulDiv(lpSize->cx, abs(sizeWinExt.cx), abs(sizeVpExt.cx));
|
|
lpSize->cy = MulDiv(lpSize->cy, abs(sizeWinExt.cy), abs(sizeVpExt.cy));
|
|
return TRUE;
|
|
}
|
|
BOOL LPtoDP(LPPOINT lpPoints, int nCount = 1) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::LPtoDP(m_hDC, lpPoints, nCount);
|
|
}
|
|
BOOL LPtoDP(LPRECT lpRect) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::LPtoDP(m_hDC, (LPPOINT)lpRect, 2);
|
|
}
|
|
BOOL LPtoDP(LPSIZE lpSize) const
|
|
{
|
|
SIZE sizeWinExt;
|
|
if(!GetWindowExt(&sizeWinExt))
|
|
return FALSE;
|
|
SIZE sizeVpExt;
|
|
if(!GetViewportExt(&sizeVpExt))
|
|
return FALSE;
|
|
lpSize->cx = ::MulDiv(lpSize->cx, abs(sizeVpExt.cx), abs(sizeWinExt.cx));
|
|
lpSize->cy = ::MulDiv(lpSize->cy, abs(sizeVpExt.cy), abs(sizeWinExt.cy));
|
|
return TRUE;
|
|
}
|
|
|
|
// Special Coordinate Functions (useful for dealing with metafiles and OLE)
|
|
#define HIMETRIC_INCH 2540 // HIMETRIC units per inch
|
|
|
|
void DPtoHIMETRIC(LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
int nMapMode;
|
|
if((nMapMode = GetMapMode()) < MM_ISOTROPIC && nMapMode != MM_TEXT)
|
|
{
|
|
// when using a constrained map mode, map against physical inch
|
|
((CDCHandle*)this)->SetMapMode(MM_HIMETRIC);
|
|
DPtoLP(lpSize);
|
|
((CDCHandle*)this)->SetMapMode(nMapMode);
|
|
}
|
|
else
|
|
{
|
|
// map against logical inch for non-constrained mapping modes
|
|
int cxPerInch = GetDeviceCaps(LOGPIXELSX);
|
|
int cyPerInch = GetDeviceCaps(LOGPIXELSY);
|
|
ATLASSERT(cxPerInch != 0 && cyPerInch != 0);
|
|
lpSize->cx = MulDiv(lpSize->cx, HIMETRIC_INCH, cxPerInch);
|
|
lpSize->cy = MulDiv(lpSize->cy, HIMETRIC_INCH, cyPerInch);
|
|
}
|
|
}
|
|
|
|
void HIMETRICtoDP(LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
int nMapMode;
|
|
if((nMapMode = GetMapMode()) < MM_ISOTROPIC && nMapMode != MM_TEXT)
|
|
{
|
|
// when using a constrained map mode, map against physical inch
|
|
((CDCHandle*)this)->SetMapMode(MM_HIMETRIC);
|
|
LPtoDP(lpSize);
|
|
((CDCHandle*)this)->SetMapMode(nMapMode);
|
|
}
|
|
else
|
|
{
|
|
// map against logical inch for non-constrained mapping modes
|
|
int cxPerInch = GetDeviceCaps(LOGPIXELSX);
|
|
int cyPerInch = GetDeviceCaps(LOGPIXELSY);
|
|
ATLASSERT(cxPerInch != 0 && cyPerInch != 0);
|
|
lpSize->cx = MulDiv(lpSize->cx, cxPerInch, HIMETRIC_INCH);
|
|
lpSize->cy = MulDiv(lpSize->cy, cyPerInch, HIMETRIC_INCH);
|
|
}
|
|
}
|
|
|
|
void LPtoHIMETRIC(LPSIZE lpSize) const
|
|
{
|
|
LPtoDP(lpSize);
|
|
DPtoHIMETRIC(lpSize);
|
|
}
|
|
|
|
void HIMETRICtoLP(LPSIZE lpSize) const
|
|
{
|
|
HIMETRICtoDP(lpSize);
|
|
DPtoLP(lpSize);
|
|
}
|
|
|
|
// Region Functions
|
|
BOOL FillRgn(HRGN hRgn, HBRUSH hBrush)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FillRgn(m_hDC, hRgn, hBrush);
|
|
}
|
|
BOOL FrameRgn(HRGN hRgn, HBRUSH hBrush, int nWidth, int nHeight)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FrameRgn(m_hDC, hRgn, hBrush, nWidth, nHeight);
|
|
}
|
|
BOOL InvertRgn(HRGN hRgn)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::InvertRgn(m_hDC, hRgn);
|
|
}
|
|
BOOL PaintRgn(HRGN hRgn)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PaintRgn(m_hDC, hRgn);
|
|
}
|
|
|
|
// Clipping Functions
|
|
int GetClipBox(LPRECT lpRect) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetClipBox(m_hDC, lpRect);
|
|
}
|
|
BOOL PtVisible(int x, int y) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PtVisible(m_hDC, x, y);
|
|
}
|
|
BOOL PtVisible(POINT point) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PtVisible(m_hDC, point.x, point.y);
|
|
}
|
|
BOOL RectVisible(LPCRECT lpRect) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::RectVisible(m_hDC, lpRect);
|
|
}
|
|
int SelectClipRgn(HRGN hRgn)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SelectClipRgn(m_hDC, (HRGN)hRgn);
|
|
}
|
|
int ExcludeClipRect(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ExcludeClipRect(m_hDC, x1, y1, x2, y2);
|
|
}
|
|
int ExcludeClipRect(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ExcludeClipRect(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
|
|
}
|
|
int ExcludeUpdateRgn(HWND hWnd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ExcludeUpdateRgn(m_hDC, hWnd);
|
|
}
|
|
int IntersectClipRect(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::IntersectClipRect(m_hDC, x1, y1, x2, y2);
|
|
}
|
|
int IntersectClipRect(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::IntersectClipRect(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
|
|
}
|
|
int OffsetClipRgn(int x, int y)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::OffsetClipRgn(m_hDC, x, y);
|
|
}
|
|
int OffsetClipRgn(SIZE size)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::OffsetClipRgn(m_hDC, size.cx, size.cy);
|
|
}
|
|
int SelectClipRgn(HRGN hRgn, int nMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ExtSelectClipRgn(m_hDC, hRgn, nMode);
|
|
}
|
|
|
|
// Line-Output Functions
|
|
BOOL GetCurrentPosition(LPPOINT lpPoint) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCurrentPositionEx(m_hDC, lpPoint);
|
|
}
|
|
BOOL MoveTo(int x, int y, LPPOINT lpPoint = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::MoveToEx(m_hDC, x, y, lpPoint);
|
|
}
|
|
BOOL MoveTo(POINT point, LPPOINT lpPointRet = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return MoveTo(point.x, point.y, lpPointRet);
|
|
}
|
|
BOOL LineTo(int x, int y)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::LineTo(m_hDC, x, y);
|
|
}
|
|
BOOL LineTo(POINT point)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return LineTo(point.x, point.y);
|
|
}
|
|
BOOL Arc(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Arc(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4);
|
|
}
|
|
BOOL Arc(LPCRECT lpRect, POINT ptStart, POINT ptEnd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Arc(m_hDC, lpRect->left, lpRect->top,
|
|
lpRect->right, lpRect->bottom, ptStart.x, ptStart.y,
|
|
ptEnd.x, ptEnd.y);
|
|
}
|
|
BOOL Polyline(LPPOINT lpPoints, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Polyline(m_hDC, lpPoints, nCount);
|
|
}
|
|
|
|
BOOL AngleArc(int x, int y, int nRadius, float fStartAngle, float fSweepAngle)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::AngleArc(m_hDC, x, y, nRadius, fStartAngle, fSweepAngle);
|
|
}
|
|
BOOL ArcTo(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ArcTo(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4);
|
|
}
|
|
BOOL ArcTo(LPCRECT lpRect, POINT ptStart, POINT ptEnd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ArcTo(lpRect->left, lpRect->top, lpRect->right,
|
|
lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y);
|
|
}
|
|
int GetArcDirection() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetArcDirection(m_hDC);
|
|
}
|
|
int SetArcDirection(int nArcDirection)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetArcDirection(m_hDC, nArcDirection);
|
|
}
|
|
|
|
BOOL PolyDraw(const POINT* lpPoints, const BYTE* lpTypes, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PolyDraw(m_hDC, lpPoints, lpTypes, nCount);
|
|
}
|
|
BOOL PolylineTo(const POINT* lpPoints, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PolylineTo(m_hDC, lpPoints, nCount);
|
|
}
|
|
BOOL PolyPolyline(const POINT* lpPoints,
|
|
const DWORD* lpPolyPoints, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PolyPolyline(m_hDC, lpPoints, lpPolyPoints, nCount);
|
|
}
|
|
|
|
BOOL PolyBezier(const POINT* lpPoints, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PolyBezier(m_hDC, lpPoints, nCount);
|
|
}
|
|
BOOL PolyBezierTo(const POINT* lpPoints, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PolyBezierTo(m_hDC, lpPoints, nCount);
|
|
}
|
|
|
|
// Simple Drawing Functions
|
|
BOOL FillRect(LPCRECT lpRect, HBRUSH hBrush)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FillRect(m_hDC, lpRect, hBrush);
|
|
}
|
|
BOOL FrameRect(LPCRECT lpRect, HBRUSH hBrush)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FrameRect(m_hDC, lpRect, hBrush);
|
|
}
|
|
BOOL InvertRect(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::InvertRect(m_hDC, lpRect);
|
|
}
|
|
BOOL DrawIcon(int x, int y, HICON hIcon)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawIcon(m_hDC, x, y, hIcon);
|
|
}
|
|
BOOL DrawIcon(POINT point, HICON hIcon)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawIcon(m_hDC, point.x, point.y, hIcon);
|
|
}
|
|
BOOL DrawIconEx(int x, int y, HICON hIcon, int cxWidth, int cyWidth, UINT uStepIfAniCur = 0, HBRUSH hbrFlickerFreeDraw = NULL, UINT uFlags = DI_NORMAL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawIconEx(m_hDC, x, y, hIcon, cxWidth, cyWidth, uStepIfAniCur, hbrFlickerFreeDraw, uFlags);
|
|
}
|
|
BOOL DrawIconEx(POINT point, HICON hIcon, SIZE size, UINT uStepIfAniCur = 0, HBRUSH hbrFlickerFreeDraw = NULL, UINT uFlags = DI_NORMAL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawIconEx(m_hDC, point.x, point.y, hIcon, size.cx, size.cy, uStepIfAniCur, hbrFlickerFreeDraw, uFlags);
|
|
}
|
|
BOOL DrawState(POINT pt, SIZE size, HBITMAP hBitmap, UINT nFlags, HBRUSH hBrush = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawState(m_hDC, hBrush, NULL, (LPARAM)hBitmap, 0, pt.x, pt.y, size.cx, size.cy, nFlags | DST_BITMAP);
|
|
}
|
|
BOOL DrawState(POINT pt, SIZE size, HICON hIcon, UINT nFlags, HBRUSH hBrush = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawState(m_hDC, hBrush, NULL, (LPARAM)hIcon, 0, pt.x, pt.y, size.cx, size.cy, nFlags | DST_ICON);
|
|
}
|
|
BOOL DrawState(POINT pt, SIZE size, LPCTSTR lpszText, UINT nFlags, BOOL bPrefixText = TRUE, int nTextLen = 0, HBRUSH hBrush = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawState(m_hDC, hBrush, NULL, (LPARAM)lpszText, (WPARAM)nTextLen, pt.x, pt.y, size.cx, size.cy, nFlags | (bPrefixText ? DST_PREFIXTEXT : DST_TEXT));
|
|
}
|
|
BOOL DrawState(POINT pt, SIZE size, DRAWSTATEPROC lpDrawProc, LPARAM lData, UINT nFlags, HBRUSH hBrush = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawState(m_hDC, hBrush, lpDrawProc, lData, 0, pt.x, pt.y, size.cx, size.cy, nFlags | DST_COMPLEX);
|
|
}
|
|
|
|
// Ellipse and Polygon Functions
|
|
BOOL Chord(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Chord(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4);
|
|
}
|
|
BOOL Chord(LPCRECT lpRect, POINT ptStart, POINT ptEnd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Chord(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y);
|
|
}
|
|
void DrawFocusRect(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
::DrawFocusRect(m_hDC, lpRect);
|
|
}
|
|
BOOL Ellipse(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Ellipse(m_hDC, x1, y1, x2, y2);
|
|
}
|
|
BOOL Ellipse(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Ellipse(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
|
|
}
|
|
BOOL Pie(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Pie(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4);
|
|
}
|
|
BOOL Pie(LPCRECT lpRect, POINT ptStart, POINT ptEnd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Pie(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y);
|
|
}
|
|
BOOL Polygon(LPPOINT lpPoints, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Polygon(m_hDC, lpPoints, nCount);
|
|
}
|
|
BOOL PolyPolygon(LPPOINT lpPoints, LPINT lpPolyCounts, int nCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PolyPolygon(m_hDC, lpPoints, lpPolyCounts, nCount);
|
|
}
|
|
BOOL Rectangle(int x1, int y1, int x2, int y2)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Rectangle(m_hDC, x1, y1, x2, y2);
|
|
}
|
|
BOOL Rectangle(LPCRECT lpRect)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Rectangle(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom);
|
|
}
|
|
BOOL RoundRect(int x1, int y1, int x2, int y2, int x3, int y3)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::RoundRect(m_hDC, x1, y1, x2, y2, x3, y3);
|
|
}
|
|
BOOL RoundRect(LPCRECT lpRect, POINT point)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::RoundRect(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, point.x, point.y);
|
|
}
|
|
|
|
// Bitmap Functions
|
|
BOOL PatBlt(int x, int y, int nWidth, int nHeight, DWORD dwRop)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PatBlt(m_hDC, x, y, nWidth, nHeight, dwRop);
|
|
}
|
|
BOOL BitBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC,
|
|
int xSrc, int ySrc, DWORD dwRop)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::BitBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, dwRop);
|
|
}
|
|
BOOL StretchBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, DWORD dwRop)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::StretchBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, dwRop);
|
|
}
|
|
COLORREF GetPixel(int x, int y) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetPixel(m_hDC, x, y);
|
|
}
|
|
COLORREF GetPixel(POINT point) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetPixel(m_hDC, point.x, point.y);
|
|
}
|
|
COLORREF SetPixel(int x, int y, COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetPixel(m_hDC, x, y, crColor);
|
|
}
|
|
COLORREF SetPixel(POINT point, COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetPixel(m_hDC, point.x, point.y, crColor);
|
|
}
|
|
BOOL FloodFill(int x, int y, COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FloodFill(m_hDC, x, y, crColor);
|
|
}
|
|
BOOL ExtFloodFill(int x, int y, COLORREF crColor, UINT nFillType)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ExtFloodFill(m_hDC, x, y, crColor, nFillType);
|
|
}
|
|
BOOL MaskBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, HBITMAP hMaskBitmap, int xMask, int yMask, DWORD dwRop)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::MaskBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, hMaskBitmap, xMask, yMask, dwRop);
|
|
}
|
|
BOOL PlgBlt(LPPOINT lpPoint, HDC hSrcDC, int xSrc, int ySrc, int nWidth, int nHeight, HBITMAP hMaskBitmap, int xMask, int yMask)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PlgBlt(m_hDC, lpPoint, hSrcDC, xSrc, ySrc, nWidth, nHeight, hMaskBitmap, xMask, yMask);
|
|
}
|
|
BOOL SetPixelV(int x, int y, COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetPixelV(m_hDC, x, y, crColor);
|
|
}
|
|
BOOL SetPixelV(POINT point, COLORREF crColor)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetPixelV(m_hDC, point.x, point.y, crColor);
|
|
}
|
|
|
|
#ifndef _ATL_NO_MSIMG
|
|
BOOL AlphaBlend(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, BLENDFUNCTION bf)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::AlphaBlend(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, bf);
|
|
}
|
|
BOOL TransparentBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, UINT crTransparent)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::TransparentBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, crTransparent);
|
|
}
|
|
BOOL GradientFill(const PTRIVERTEX pVertices, DWORD nVertices, void* pMeshElements, DWORD nMeshElements, DWORD dwMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GradientFill(m_hDC, pVertices, nVertices, pMeshElements, nMeshElements, dwMode);
|
|
}
|
|
#endif //!_ATL_NO_MSIMG
|
|
|
|
// Extra bitmap functions
|
|
// Helper function for painting a disabled toolbar or menu bitmap
|
|
// This function can take either an HBITMAP (for SS) or a DC with
|
|
// the bitmap already painted (for cmdbar)
|
|
BOOL DitherBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, HBITMAP hBitmap, int xSrc, int ySrc)
|
|
{
|
|
ATLASSERT(m_hDC != NULL || hBitmap != NULL);
|
|
ATLASSERT(nWidth > 0 && nHeight > 0);
|
|
|
|
// Create a generic DC for all BitBlts
|
|
CDCHandle dc = (hSrcDC != NULL) ? hSrcDC : ::CreateCompatibleDC(m_hDC);
|
|
ATLASSERT(dc.m_hDC != NULL);
|
|
if(dc.m_hDC == NULL)
|
|
return FALSE;
|
|
|
|
// Create a DC for the monochrome DIB section
|
|
CDC dcBW = ::CreateCompatibleDC(m_hDC);
|
|
ATLASSERT(dcBW.m_hDC != NULL);
|
|
if(dcBW.m_hDC == NULL)
|
|
{
|
|
if(hSrcDC == NULL)
|
|
::DeleteDC(dc);
|
|
return FALSE;
|
|
}
|
|
|
|
// Create the monochrome DIB section with a black and white palette
|
|
struct RGBBWBITMAPINFO
|
|
{
|
|
BITMAPINFOHEADER bmiHeader;
|
|
RGBQUAD bmiColors[2];
|
|
};
|
|
|
|
RGBBWBITMAPINFO rgbBWBitmapInfo =
|
|
{
|
|
{ sizeof(BITMAPINFOHEADER), nWidth, nHeight, 1, 1, BI_RGB, 0, 0, 0, 0, 0 },
|
|
{ { 0x00, 0x00, 0x00, 0x00 }, { 0xFF, 0xFF, 0xFF, 0x00 } }
|
|
};
|
|
|
|
VOID *pbitsBW;
|
|
CBitmap bmpBW = ::CreateDIBSection(dcBW, (LPBITMAPINFO)&rgbBWBitmapInfo, DIB_RGB_COLORS, &pbitsBW, NULL, 0);
|
|
ATLASSERT(bmpBW.m_hBitmap != NULL);
|
|
if(bmpBW.m_hBitmap == NULL)
|
|
{
|
|
if(hSrcDC == NULL)
|
|
::DeleteDC(dc);
|
|
return FALSE;
|
|
}
|
|
|
|
// Attach the monochrome DIB section and the bitmap to the DCs
|
|
HBITMAP hbmOldBW = dcBW.SelectBitmap(bmpBW);
|
|
HBITMAP hbmOldDC = NULL;
|
|
if(hBitmap != NULL)
|
|
hbmOldDC = dc.SelectBitmap(hBitmap);
|
|
|
|
// Block: Dark gray removal: we want (128, 128, 128) pixels to become black and not white
|
|
{
|
|
CDC dcTemp1 = ::CreateCompatibleDC(m_hDC);
|
|
CDC dcTemp2 = ::CreateCompatibleDC(m_hDC);
|
|
CBitmap bmpTemp1;
|
|
bmpTemp1.CreateCompatibleBitmap(dc, nWidth, nHeight);
|
|
CBitmap bmpTemp2;
|
|
bmpTemp2.CreateBitmap(nWidth, nHeight, 1, 1, NULL);
|
|
HBITMAP hOldBmp1 = dcTemp1.SelectBitmap(bmpTemp1);
|
|
HBITMAP hOldBmp2 = dcTemp2.SelectBitmap(bmpTemp2);
|
|
// Let's copy our image, it will be altered
|
|
dcTemp1.BitBlt(0, 0, nWidth, nHeight, dc, xSrc, ySrc, SRCCOPY);
|
|
|
|
// All dark gray pixels will become white, the others black
|
|
dcTemp1.SetBkColor(RGB(128, 128, 128));
|
|
dcTemp2.BitBlt(0, 0, nWidth, nHeight, dcTemp1, 0, 0, SRCCOPY);
|
|
// Do an XOR to set to black these white pixels
|
|
dcTemp1.BitBlt(0, 0, nWidth, nHeight, dcTemp2, 0, 0, SRCINVERT);
|
|
|
|
// BitBlt the bitmap into the monochrome DIB section
|
|
// The DIB section will do a true monochrome conversion
|
|
// The magenta background being closer to white will become white
|
|
dcBW.BitBlt(0, 0, nWidth, nHeight, dcTemp1, 0, 0, SRCCOPY);
|
|
|
|
// Cleanup
|
|
dcTemp1.SelectBitmap(hOldBmp1);
|
|
dcTemp2.SelectBitmap(hOldBmp2);
|
|
}
|
|
|
|
// Paint the destination rectangle in gray
|
|
RECT rc = { x, y, x + nWidth, y + nHeight };
|
|
FillRect(&rc, ::GetSysColorBrush(COLOR_3DFACE));
|
|
|
|
// BitBlt the black bits in the monochrome bitmap into COLOR_3DHILIGHT bits in the destination DC
|
|
// The magic ROP comes from the Charles Petzold's book
|
|
CBrush brushHilight;
|
|
brushHilight.CreateSolidBrush(::GetSysColor(COLOR_3DHILIGHT));
|
|
HBRUSH hOldBrush = SelectBrush(brushHilight);
|
|
BitBlt(x + 1, y + 1, nWidth, nHeight, dcBW, 0, 0, 0xB8074A);
|
|
|
|
// BitBlt the black bits in the monochrome bitmap into COLOR_3DSHADOW bits in the destination DC
|
|
CBrush brushShadow;
|
|
brushShadow.CreateSolidBrush(::GetSysColor(COLOR_3DSHADOW));
|
|
SelectBrush(brushShadow);
|
|
BitBlt(x, y, nWidth, nHeight, dcBW, 0, 0, 0xB8074A);
|
|
|
|
SelectBrush(hOldBrush);
|
|
dcBW.SelectBitmap(hbmOldBW);
|
|
dc.SelectBitmap(hbmOldDC);
|
|
|
|
if(hSrcDC == NULL)
|
|
::DeleteDC(dc);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// Text Functions
|
|
BOOL TextOut(int x, int y, LPCTSTR lpszString, int nCount = -1)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
if(nCount == -1)
|
|
nCount = lstrlen(lpszString);
|
|
return ::TextOut(m_hDC, x, y, lpszString, nCount);
|
|
}
|
|
BOOL ExtTextOut(int x, int y, UINT nOptions, LPCRECT lpRect, LPCTSTR lpszString, UINT nCount = -1, LPINT lpDxWidths = NULL)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
if(nCount == -1)
|
|
nCount = lstrlen(lpszString);
|
|
return ::ExtTextOut(m_hDC, x, y, nOptions, lpRect, lpszString, nCount, lpDxWidths);
|
|
}
|
|
SIZE TabbedTextOut(int x, int y, LPCTSTR lpszString, int nCount = -1, int nTabPositions = 0, LPINT lpnTabStopPositions = NULL, int nTabOrigin = 0)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
if(nCount == -1)
|
|
nCount = lstrlen(lpszString);
|
|
LONG lRes = ::TabbedTextOut(m_hDC, x, y, lpszString, nCount, nTabPositions, lpnTabStopPositions, nTabOrigin);
|
|
SIZE size = { GET_X_LPARAM(lRes), GET_Y_LPARAM(lRes) };
|
|
return size;
|
|
}
|
|
int DrawText(LPCTSTR lpszString, int nCount, LPRECT lpRect, UINT nFormat)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawText(m_hDC, lpszString, nCount, lpRect, nFormat);
|
|
}
|
|
BOOL GetTextExtent(LPCTSTR lpszString, int nCount, LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
if(nCount == -1)
|
|
nCount = lstrlen(lpszString);
|
|
return ::GetTextExtentPoint32(m_hDC, lpszString, nCount, lpSize);
|
|
}
|
|
BOOL GetTabbedTextExtent(LPCTSTR lpszString, int nCount, int nTabPositions, LPINT lpnTabStopPositions) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
if(nCount == -1)
|
|
nCount = lstrlen(lpszString);
|
|
return ::GetTabbedTextExtent(m_hDC, lpszString, nCount, nTabPositions, lpnTabStopPositions);
|
|
}
|
|
BOOL GrayString(HBRUSH hBrush, BOOL (CALLBACK* lpfnOutput)(HDC, LPARAM, int), LPARAM lpData, int nCount, int x, int y, int nWidth, int nHeight)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GrayString(m_hDC, hBrush, (GRAYSTRINGPROC)lpfnOutput, lpData, nCount, x, y, nWidth, nHeight);
|
|
}
|
|
UINT GetTextAlign() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextAlign(m_hDC);
|
|
}
|
|
UINT SetTextAlign(UINT nFlags)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetTextAlign(m_hDC, nFlags);
|
|
}
|
|
int GetTextFace(LPTSTR lpszFacename, int nCount) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextFace(m_hDC, nCount, lpszFacename);
|
|
}
|
|
int GetTextFaceLen() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextFace(m_hDC, 0, NULL);
|
|
}
|
|
#ifndef _ATL_NO_COM
|
|
#ifdef _OLEAUTO_H_
|
|
BOOL GetTextFace(BSTR& bstrFace) const
|
|
{
|
|
USES_CONVERSION;
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(bstrFace == NULL);
|
|
|
|
int nLen = GetTextFaceLen();
|
|
if(nLen == 0)
|
|
return FALSE;
|
|
|
|
LPTSTR lpszText = (LPTSTR)_alloca(nLen * sizeof(TCHAR));
|
|
|
|
if(!GetTextFace(lpszText, nLen))
|
|
return FALSE;
|
|
|
|
bstrFace = ::SysAllocString(T2OLE(lpszText));
|
|
return (bstrFace != NULL) ? TRUE : FALSE;
|
|
}
|
|
#endif
|
|
#endif //!_ATL_NO_COM
|
|
#ifdef __ATLSTR_H__
|
|
int GetTextFace(CString& strFace) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
|
|
int nLen = GetTextFaceLen();
|
|
if(nLen == 0)
|
|
return 0;
|
|
|
|
int nRet = GetTextFace(strFace.GetBufferSetLength(nLen), nLen);
|
|
strFace.ReleaseBuffer();
|
|
return nRet;
|
|
}
|
|
#endif //__ATLSTR_H__
|
|
BOOL GetTextMetrics(LPTEXTMETRIC lpMetrics) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextMetrics(m_hDC, lpMetrics);
|
|
}
|
|
int SetTextJustification(int nBreakExtra, int nBreakCount)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetTextJustification(m_hDC, nBreakExtra, nBreakCount);
|
|
}
|
|
int GetTextCharacterExtra() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextCharacterExtra(m_hDC);
|
|
}
|
|
int SetTextCharacterExtra(int nCharExtra)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetTextCharacterExtra(m_hDC, nCharExtra);
|
|
}
|
|
|
|
// Advanced Drawing
|
|
BOOL DrawEdge(LPRECT lpRect, UINT nEdge, UINT nFlags)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawEdge(m_hDC, lpRect, nEdge, nFlags);
|
|
}
|
|
BOOL DrawFrameControl(LPRECT lpRect, UINT nType, UINT nState)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawFrameControl(m_hDC, lpRect, nType, nState);
|
|
}
|
|
|
|
// Scrolling Functions
|
|
BOOL ScrollDC(int dx, int dy, LPCRECT lpRectScroll, LPCRECT lpRectClip, HRGN hRgnUpdate, LPRECT lpRectUpdate)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ScrollDC(m_hDC, dx, dy, lpRectScroll, lpRectClip, hRgnUpdate, lpRectUpdate);
|
|
}
|
|
|
|
// Font Functions
|
|
BOOL GetCharWidth(UINT nFirstChar, UINT nLastChar, LPINT lpBuffer) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharWidth(m_hDC, nFirstChar, nLastChar, lpBuffer);
|
|
}
|
|
// GetCharWidth32 is not supported under Win9x
|
|
BOOL GetCharWidth32(UINT nFirstChar, UINT nLastChar, LPINT lpBuffer) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharWidth32(m_hDC, nFirstChar, nLastChar, lpBuffer);
|
|
}
|
|
DWORD SetMapperFlags(DWORD dwFlag)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetMapperFlags(m_hDC, dwFlag);
|
|
}
|
|
BOOL GetAspectRatioFilter(LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetAspectRatioFilterEx(m_hDC, lpSize);
|
|
}
|
|
|
|
BOOL GetCharABCWidths(UINT nFirstChar, UINT nLastChar, LPABC lpabc) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharABCWidths(m_hDC, nFirstChar, nLastChar, lpabc);
|
|
}
|
|
DWORD GetFontData(DWORD dwTable, DWORD dwOffset, LPVOID lpData, DWORD cbData) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetFontData(m_hDC, dwTable, dwOffset, lpData, cbData);
|
|
}
|
|
int GetKerningPairs(int nPairs, LPKERNINGPAIR lpkrnpair) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetKerningPairs(m_hDC, nPairs, lpkrnpair);
|
|
}
|
|
UINT GetOutlineTextMetrics(UINT cbData, LPOUTLINETEXTMETRIC lpotm) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetOutlineTextMetrics(m_hDC, cbData, lpotm);
|
|
}
|
|
DWORD GetGlyphOutline(UINT nChar, UINT nFormat, LPGLYPHMETRICS lpgm, DWORD cbBuffer, LPVOID lpBuffer, const MAT2* lpmat2) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetGlyphOutline(m_hDC, nChar, nFormat, lpgm, cbBuffer, lpBuffer, lpmat2);
|
|
}
|
|
|
|
BOOL GetCharABCWidths(UINT nFirstChar, UINT nLastChar, LPABCFLOAT lpABCF) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharABCWidthsFloat(m_hDC, nFirstChar, nLastChar, lpABCF);
|
|
}
|
|
BOOL GetCharWidth(UINT nFirstChar, UINT nLastChar, float* lpFloatBuffer) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharWidthFloat(m_hDC, nFirstChar, nLastChar, lpFloatBuffer);
|
|
}
|
|
|
|
// Printer/Device Escape Functions
|
|
int Escape(int nEscape, int nCount, LPCSTR lpszInData, LPVOID lpOutData)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::Escape(m_hDC, nEscape, nCount, lpszInData, lpOutData);
|
|
}
|
|
int Escape(int nEscape, int nInputSize, LPCSTR lpszInputData,
|
|
int nOutputSize, LPSTR lpszOutputData)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ExtEscape(m_hDC, nEscape, nInputSize, lpszInputData, nOutputSize, lpszOutputData);
|
|
}
|
|
int DrawEscape(int nEscape, int nInputSize, LPCSTR lpszInputData)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DrawEscape(m_hDC, nEscape, nInputSize, lpszInputData);
|
|
}
|
|
|
|
// Escape helpers
|
|
int StartDoc(LPCTSTR lpszDocName) // old Win3.0 version
|
|
{
|
|
DOCINFO di;
|
|
memset(&di, 0, sizeof(DOCINFO));
|
|
di.cbSize = sizeof(DOCINFO);
|
|
di.lpszDocName = lpszDocName;
|
|
return StartDoc(&di);
|
|
}
|
|
|
|
int StartDoc(LPDOCINFO lpDocInfo)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::StartDoc(m_hDC, lpDocInfo);
|
|
}
|
|
int StartPage()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::StartPage(m_hDC);
|
|
}
|
|
int EndPage()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::EndPage(m_hDC);
|
|
}
|
|
int SetAbortProc(BOOL (CALLBACK* lpfn)(HDC, int))
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetAbortProc(m_hDC, (ABORTPROC)lpfn);
|
|
}
|
|
int AbortDoc()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::AbortDoc(m_hDC);
|
|
}
|
|
int EndDoc()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::EndDoc(m_hDC);
|
|
}
|
|
|
|
// MetaFile Functions
|
|
BOOL PlayMetaFile(HMETAFILE hMF)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
if(::GetDeviceCaps(m_hDC, TECHNOLOGY) == DT_METAFILE)
|
|
{
|
|
// playing metafile in metafile, just use core windows API
|
|
return ::PlayMetaFile(m_hDC, hMF);
|
|
}
|
|
|
|
// for special playback, lParam == pDC
|
|
return ::EnumMetaFile(m_hDC, hMF, EnumMetaFileProc, (LPARAM)this);
|
|
}
|
|
BOOL PlayMetaFile(HENHMETAFILE hEnhMetaFile, LPCRECT lpBounds)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::PlayEnhMetaFile(m_hDC, hEnhMetaFile, lpBounds);
|
|
}
|
|
BOOL AddMetaFileComment(UINT nDataSize, const BYTE* pCommentData) // can be used for enhanced metafiles only
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GdiComment(m_hDC, nDataSize, pCommentData);
|
|
}
|
|
|
|
// Special handling for metafile playback
|
|
static int CALLBACK EnumMetaFileProc(HDC hDC, HANDLETABLE* pHandleTable, METARECORD* pMetaRec, int nHandles, LPARAM lParam)
|
|
{
|
|
CDCHandle* pDC = (CDCHandle*)lParam;
|
|
|
|
switch (pMetaRec->rdFunction)
|
|
{
|
|
case META_SETMAPMODE:
|
|
pDC->SetMapMode((int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SETWINDOWEXT:
|
|
pDC->SetWindowExt((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SETWINDOWORG:
|
|
pDC->SetWindowOrg((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SETVIEWPORTEXT:
|
|
pDC->SetViewportExt((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SETVIEWPORTORG:
|
|
pDC->SetViewportOrg((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SCALEWINDOWEXT:
|
|
pDC->ScaleWindowExt((int)(short)pMetaRec->rdParm[3], (int)(short)pMetaRec->rdParm[2],
|
|
(int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SCALEVIEWPORTEXT:
|
|
pDC->ScaleViewportExt((int)(short)pMetaRec->rdParm[3], (int)(short)pMetaRec->rdParm[2],
|
|
(int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_OFFSETVIEWPORTORG:
|
|
pDC->OffsetViewportOrg((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SAVEDC:
|
|
pDC->SaveDC();
|
|
break;
|
|
case META_RESTOREDC:
|
|
pDC->RestoreDC((int)(short)pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SETBKCOLOR:
|
|
pDC->SetBkColor(*(UNALIGNED COLORREF*)&pMetaRec->rdParm[0]);
|
|
break;
|
|
case META_SETTEXTCOLOR:
|
|
pDC->SetTextColor(*(UNALIGNED COLORREF*)&pMetaRec->rdParm[0]);
|
|
break;
|
|
|
|
// need to watch out for SelectObject(HFONT), for custom font mapping
|
|
case META_SELECTOBJECT:
|
|
{
|
|
HGDIOBJ hObject = pHandleTable->objectHandle[pMetaRec->rdParm[0]];
|
|
UINT nObjType = ::GetObjectType(hObject);
|
|
if(nObjType == 0)
|
|
{
|
|
// object type is unknown, determine if it is a font
|
|
HFONT hStockFont = (HFONT)::GetStockObject(SYSTEM_FONT);
|
|
HFONT hFontOld = (HFONT)::SelectObject(pDC->m_hDC, hStockFont);
|
|
HGDIOBJ hObjOld = ::SelectObject(pDC->m_hDC, hObject);
|
|
if(hObjOld == hStockFont)
|
|
{
|
|
// got the stock object back, so must be selecting a font
|
|
pDC->SelectFont((HFONT)hObject);
|
|
break; // don't play the default record
|
|
}
|
|
else
|
|
{
|
|
// didn't get the stock object back, so restore everything
|
|
::SelectObject(pDC->m_hDC, hFontOld);
|
|
::SelectObject(pDC->m_hDC, hObjOld);
|
|
}
|
|
// and fall through to PlayMetaFileRecord...
|
|
}
|
|
else if(nObjType == OBJ_FONT)
|
|
{
|
|
// play back as CDCHandle::SelectFont(HFONT)
|
|
pDC->SelectFont((HFONT)hObject);
|
|
break; // don't play the default record
|
|
}
|
|
}
|
|
// fall through...
|
|
|
|
default:
|
|
::PlayMetaFileRecord(hDC, pHandleTable, pMetaRec, nHandles);
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Path Functions
|
|
BOOL AbortPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::AbortPath(m_hDC);
|
|
}
|
|
BOOL BeginPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::BeginPath(m_hDC);
|
|
}
|
|
BOOL CloseFigure()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::CloseFigure(m_hDC);
|
|
}
|
|
BOOL EndPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::EndPath(m_hDC);
|
|
}
|
|
BOOL FillPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FillPath(m_hDC);
|
|
}
|
|
BOOL FlattenPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::FlattenPath(m_hDC);
|
|
}
|
|
BOOL StrokeAndFillPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::StrokeAndFillPath(m_hDC);
|
|
}
|
|
BOOL StrokePath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::StrokePath(m_hDC);
|
|
}
|
|
BOOL WidenPath()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::WidenPath(m_hDC);
|
|
}
|
|
BOOL GetMiterLimit(PFLOAT pfMiterLimit) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetMiterLimit(m_hDC, pfMiterLimit);
|
|
}
|
|
BOOL SetMiterLimit(float fMiterLimit)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetMiterLimit(m_hDC, fMiterLimit, NULL);
|
|
}
|
|
int GetPath(LPPOINT lpPoints, LPBYTE lpTypes, int nCount) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetPath(m_hDC, lpPoints, lpTypes, nCount);
|
|
}
|
|
BOOL SelectClipPath(int nMode)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SelectClipPath(m_hDC, nMode);
|
|
}
|
|
|
|
// Misc Helper Functions
|
|
static CBrushHandle PASCAL GetHalftoneBrush()
|
|
{
|
|
HBRUSH halftoneBrush = NULL;
|
|
WORD grayPattern[8];
|
|
for(int i = 0; i < 8; i++)
|
|
grayPattern[i] = (WORD)(0x5555 << (i & 1));
|
|
HBITMAP grayBitmap = CreateBitmap(8, 8, 1, 1, &grayPattern);
|
|
if(grayBitmap != NULL)
|
|
{
|
|
halftoneBrush = ::CreatePatternBrush(grayBitmap);
|
|
DeleteObject(grayBitmap);
|
|
}
|
|
return CBrushHandle(halftoneBrush);
|
|
}
|
|
void DrawDragRect(LPCRECT lpRect, SIZE size, LPCRECT lpRectLast, SIZE sizeLast, HBRUSH hBrush = NULL, HBRUSH hBrushLast = NULL)
|
|
{
|
|
// first, determine the update region and select it
|
|
HRGN hRgnNew;
|
|
HRGN hRgnOutside, hRgnInside;
|
|
hRgnOutside = ::CreateRectRgnIndirect(lpRect);
|
|
RECT rect = *lpRect;
|
|
::InflateRect(&rect, -size.cx, -size.cy);
|
|
::IntersectRect(&rect, &rect, lpRect);
|
|
hRgnInside = ::CreateRectRgnIndirect(&rect);
|
|
hRgnNew = ::CreateRectRgn(0, 0, 0, 0);
|
|
::CombineRgn(hRgnNew, hRgnOutside, hRgnInside, RGN_XOR);
|
|
|
|
HBRUSH hBrushOld = NULL;
|
|
if(hBrush == NULL)
|
|
hBrush = CDCHandle::GetHalftoneBrush();
|
|
if(hBrushLast == NULL)
|
|
hBrushLast = hBrush;
|
|
|
|
HRGN hRgnLast = NULL, hRgnUpdate = NULL;
|
|
if(lpRectLast != NULL)
|
|
{
|
|
// find difference between new region and old region
|
|
hRgnLast = ::CreateRectRgn(0, 0, 0, 0);
|
|
::SetRectRgn(hRgnOutside, lpRectLast->left, lpRectLast->top, lpRectLast->right, lpRectLast->bottom);
|
|
rect = *lpRectLast;
|
|
::InflateRect(&rect, -sizeLast.cx, -sizeLast.cy);
|
|
::IntersectRect(&rect, &rect, lpRectLast);
|
|
::SetRectRgn(hRgnInside, rect.left, rect.top, rect.right, rect.bottom);
|
|
::CombineRgn(hRgnLast, hRgnOutside, hRgnInside, RGN_XOR);
|
|
|
|
// only diff them if brushes are the same
|
|
if(hBrush == hBrushLast)
|
|
{
|
|
hRgnUpdate = ::CreateRectRgn(0, 0, 0, 0);
|
|
::CombineRgn(hRgnUpdate, hRgnLast, hRgnNew, RGN_XOR);
|
|
}
|
|
}
|
|
if(hBrush != hBrushLast && lpRectLast != NULL)
|
|
{
|
|
// brushes are different -- erase old region first
|
|
SelectClipRgn(hRgnLast);
|
|
GetClipBox(&rect);
|
|
hBrushOld = SelectBrush(hBrushLast);
|
|
PatBlt(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, PATINVERT);
|
|
SelectBrush(hBrushOld);
|
|
hBrushOld = NULL;
|
|
}
|
|
|
|
// draw into the update/new region
|
|
SelectClipRgn(hRgnUpdate != NULL ? hRgnUpdate : hRgnNew);
|
|
GetClipBox(&rect);
|
|
hBrushOld = SelectBrush(hBrush);
|
|
PatBlt(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, PATINVERT);
|
|
|
|
// cleanup DC
|
|
if(hBrushOld != NULL)
|
|
SelectBrush(hBrushOld);
|
|
SelectClipRgn(NULL);
|
|
}
|
|
void FillSolidRect(LPCRECT lpRect, COLORREF clr)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
|
|
::SetBkColor(m_hDC, clr);
|
|
::ExtTextOut(m_hDC, 0, 0, ETO_OPAQUE, lpRect, NULL, 0, NULL);
|
|
}
|
|
void FillSolidRect(int x, int y, int cx, int cy, COLORREF clr)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
|
|
::SetBkColor(m_hDC, clr);
|
|
RECT rect = { x, y, x + cx, y + cy };
|
|
::ExtTextOut(m_hDC, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
|
|
}
|
|
void Draw3dRect(LPCRECT lpRect, COLORREF clrTopLeft, COLORREF clrBottomRight)
|
|
{
|
|
Draw3dRect(lpRect->left, lpRect->top, lpRect->right - lpRect->left,
|
|
lpRect->bottom - lpRect->top, clrTopLeft, clrBottomRight);
|
|
}
|
|
void Draw3dRect(int x, int y, int cx, int cy, COLORREF clrTopLeft, COLORREF clrBottomRight)
|
|
{
|
|
FillSolidRect(x, y, cx - 1, 1, clrTopLeft);
|
|
FillSolidRect(x, y, 1, cy - 1, clrTopLeft);
|
|
FillSolidRect(x + cx, y, -1, cy, clrBottomRight);
|
|
FillSolidRect(x, y + cy, cx, -1, clrBottomRight);
|
|
}
|
|
|
|
// DIB support
|
|
int SetDIBitsToDevice(int x, int y, DWORD dwWidth, DWORD dwHeight, int xSrc, int ySrc, UINT uStartScan, UINT cScanLines, CONST VOID* lpvBits, CONST BITMAPINFO* lpbmi, UINT uColorUse)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetDIBitsToDevice(m_hDC, x, y, dwWidth, dwHeight, xSrc, ySrc, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse);
|
|
}
|
|
int StretchDIBits(int x, int y, int nWidth, int nHeight, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, CONST VOID* lpvBits, CONST BITMAPINFO* lpbmi, UINT uColorUse, DWORD dwRop)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::StretchDIBits(m_hDC, x, y, nWidth, nHeight, xSrc, ySrc, nSrcWidth, nSrcHeight, lpvBits, lpbmi, uColorUse, dwRop);
|
|
}
|
|
UINT GetDIBColorTable(UINT uStartIndex, UINT cEntries, RGBQUAD* pColors) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetDIBColorTable(m_hDC, uStartIndex, cEntries, pColors);
|
|
}
|
|
UINT SetDIBColorTable(UINT uStartIndex, UINT cEntries, CONST RGBQUAD* pColors)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetDIBColorTable(m_hDC, uStartIndex, cEntries, pColors);
|
|
}
|
|
|
|
// OpenGL support
|
|
#ifndef _ATL_NO_OPENGL
|
|
int ChoosePixelFormat(CONST PIXELFORMATDESCRIPTOR* ppfd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ChoosePixelFormat(m_hDC, ppfd);
|
|
}
|
|
int DescribePixelFormat(int iPixelFormat, UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::DescribePixelFormat(m_hDC, iPixelFormat, nBytes, ppfd);
|
|
}
|
|
int GetPixelFormat() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetPixelFormat(m_hDC);
|
|
}
|
|
BOOL SetPixelFormat(int iPixelFormat, CONST PIXELFORMATDESCRIPTOR* ppfd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetPixelFormat(m_hDC, iPixelFormat, ppfd);
|
|
}
|
|
BOOL SwapBuffers()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SwapBuffers(m_hDC);
|
|
}
|
|
|
|
HGLRC wglCreateContext()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglCreateContext(m_hDC);
|
|
}
|
|
HGLRC wglCreateLayerContext(int iLayerPlane)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglCreateLayerContext(m_hDC, iLayerPlane);
|
|
}
|
|
BOOL wglMakeCurrent(HGLRC hglrc)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglMakeCurrent(m_hDC, hglrc);
|
|
}
|
|
BOOL wglUseFontBitmaps(DWORD dwFirst, DWORD dwCount, DWORD listBase)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglUseFontBitmaps(m_hDC, dwFirst, dwCount, listBase);
|
|
}
|
|
BOOL wglUseFontOutlines(DWORD dwFirst, DWORD dwCount, DWORD listBase, FLOAT deviation, FLOAT extrusion, int format, LPGLYPHMETRICSFLOAT lpgmf)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglUseFontOutlines(m_hDC, dwFirst, dwCount, listBase, deviation, extrusion, format, lpgmf);
|
|
}
|
|
BOOL wglDescribeLayerPlane(int iPixelFormat, int iLayerPlane, UINT nBytes, LPLAYERPLANEDESCRIPTOR plpd)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglDescribeLayerPlane(m_hDC, iPixelFormat, iLayerPlane, nBytes, plpd);
|
|
}
|
|
int wglSetLayerPaletteEntries(int iLayerPlane, int iStart, int cEntries, CONST COLORREF* pclr)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglSetLayerPaletteEntries(m_hDC, iLayerPlane, iStart, cEntries, pclr);
|
|
}
|
|
int wglGetLayerPaletteEntries(int iLayerPlane, int iStart, int cEntries, COLORREF* pclr)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglGetLayerPaletteEntries(m_hDC, iLayerPlane, iStart, cEntries, pclr);
|
|
}
|
|
BOOL wglRealizeLayerPalette(int iLayerPlane, BOOL bRealize)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglRealizeLayerPalette(m_hDC, iLayerPlane, bRealize);
|
|
}
|
|
BOOL wglSwapLayerBuffers(UINT uPlanes)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::wglSwapLayerBuffers(m_hDC, uPlanes);
|
|
}
|
|
#endif //!_ATL_NO_OPENGL
|
|
|
|
// New for Windows 2000 only
|
|
#if (_WIN32_WINNT >= 0x0500)
|
|
|
|
COLORREF GetDCPenColor() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetDCPenColor(m_hDC);
|
|
}
|
|
COLORREF SetDCPenColor(COLORREF clr)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetDCPenColor(m_hDC, clr);
|
|
}
|
|
COLORREF GetDCBrushColor() const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetDCBrushColor(m_hDC);
|
|
}
|
|
COLORREF SetDCBrushColor(COLORREF clr)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::SetDCBrushColor(m_hDC, clr);
|
|
}
|
|
|
|
DWORD GetFontUnicodeRanges(LPGLYPHSET lpgs) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetFontUnicodeRanges(m_hDC, lpgs);
|
|
}
|
|
DWORD GetGlyphIndices(LPCTSTR lpstr, int cch, LPWORD pgi, DWORD dwFlags) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetGlyphIndices(m_hDC, lpstr, cch, pgi, dwFlags);
|
|
}
|
|
|
|
BOOL GetTextExtentPointI(LPWORD pgiIn, int cgi, LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextExtentPointI(m_hDC, pgiIn, cgi, lpSize);
|
|
}
|
|
BOOL GetTextExtentExPointI(LPWORD pgiIn, int cgi, int nMaxExtent, LPINT lpnFit, LPINT alpDx, LPSIZE lpSize) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetTextExtentExPointI(m_hDC, pgiIn, cgi, nMaxExtent, lpnFit, alpDx, lpSize);
|
|
}
|
|
BOOL GetCharWidthI(UINT giFirst, UINT cgi, LPWORD pgi, LPINT lpBuffer) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharWidthI(m_hDC, giFirst, cgi, pgi, lpBuffer);
|
|
}
|
|
BOOL GetCharABCWidthsI(UINT giFirst, UINT cgi, LPWORD pgi, LPABC lpabc) const
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::GetCharABCWidthsI(m_hDC, giFirst, cgi, pgi, lpabc);
|
|
}
|
|
|
|
#endif //(_WIN32_WINNT >= 0x0500)
|
|
|
|
// New for Windows 2000 and Windows 98
|
|
#if (WINVER >= 0x0500)
|
|
|
|
BOOL ColorCorrectPalette(HPALETTE hPalette, DWORD dwFirstEntry, DWORD dwNumOfEntries)
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
return ::ColorCorrectPalette(m_hDC, hPalette, dwFirstEntry, dwNumOfEntries);
|
|
}
|
|
|
|
#endif //(WINVER >= 0x0500)
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CDC Helpers
|
|
|
|
class CPaintDC : public CDC
|
|
{
|
|
public:
|
|
// Data members
|
|
HWND m_hWnd;
|
|
PAINTSTRUCT m_ps;
|
|
|
|
// Constructor/destructor
|
|
CPaintDC(HWND hWnd)
|
|
{
|
|
ATLASSERT(::IsWindow(hWnd));
|
|
m_hWnd = hWnd;
|
|
m_hDC = ::BeginPaint(hWnd, &m_ps);
|
|
}
|
|
~CPaintDC()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
ATLASSERT(::IsWindow(m_hWnd));
|
|
::EndPaint(m_hWnd, &m_ps);
|
|
Detach();
|
|
}
|
|
};
|
|
|
|
class CClientDC : public CDC
|
|
{
|
|
public:
|
|
// Data members
|
|
HWND m_hWnd;
|
|
|
|
// Constructor/destructor
|
|
CClientDC(HWND hWnd)
|
|
{
|
|
ATLASSERT(hWnd == NULL || ::IsWindow(hWnd));
|
|
m_hWnd = hWnd;
|
|
m_hDC = ::GetDC(hWnd);
|
|
}
|
|
~CClientDC()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
::ReleaseDC(m_hWnd, Detach());
|
|
}
|
|
};
|
|
|
|
class CWindowDC : public CDC
|
|
{
|
|
public:
|
|
// Data members
|
|
HWND m_hWnd;
|
|
|
|
// Constructor/destructor
|
|
CWindowDC(HWND hWnd)
|
|
{
|
|
ATLASSERT(hWnd == NULL || ::IsWindow(hWnd));
|
|
m_hWnd = hWnd;
|
|
m_hDC = ::GetWindowDC(hWnd);
|
|
}
|
|
~CWindowDC()
|
|
{
|
|
ATLASSERT(m_hDC != NULL);
|
|
::ReleaseDC(m_hWnd, Detach());
|
|
}
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Enhanced metafile support
|
|
|
|
class CEnhMetaFileInfo
|
|
{
|
|
public:
|
|
// Data members
|
|
HENHMETAFILE m_hEMF;
|
|
BYTE* m_pBits;
|
|
TCHAR* m_pDesc;
|
|
ENHMETAHEADER m_header;
|
|
PIXELFORMATDESCRIPTOR m_pfd;
|
|
|
|
// Constructor/destructor
|
|
CEnhMetaFileInfo(HENHMETAFILE hEMF) : m_pBits(NULL), m_pDesc(NULL), m_hEMF(hEMF)
|
|
{ }
|
|
|
|
~CEnhMetaFileInfo()
|
|
{
|
|
delete [] m_pBits;
|
|
delete [] m_pDesc;
|
|
}
|
|
|
|
// Operations
|
|
BYTE* GetEnhMetaFileBits()
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
UINT nBytes = ::GetEnhMetaFileBits(m_hEMF, 0, NULL);
|
|
delete [] m_pBits;
|
|
m_pBits = NULL;
|
|
ATLTRY(m_pBits = new BYTE[nBytes]);
|
|
if (m_pBits != NULL)
|
|
::GetEnhMetaFileBits(m_hEMF, nBytes, m_pBits);
|
|
return m_pBits;
|
|
}
|
|
LPTSTR GetEnhMetaFileDescription()
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
UINT nLen = ::GetEnhMetaFileDescription(m_hEMF, 0, NULL);
|
|
delete [] m_pDesc;
|
|
m_pDesc = NULL;
|
|
ATLTRY(m_pDesc = new TCHAR[nLen]);
|
|
if (m_pDesc != NULL)
|
|
nLen = ::GetEnhMetaFileDescription(m_hEMF, nLen, m_pDesc);
|
|
return m_pDesc;
|
|
}
|
|
ENHMETAHEADER* GetEnhMetaFileHeader()
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
memset(&m_header, 0, sizeof(m_header));
|
|
m_header.iType = EMR_HEADER;
|
|
m_header.nSize = sizeof(ENHMETAHEADER);
|
|
UINT n = ::GetEnhMetaFileHeader(m_hEMF, sizeof(ENHMETAHEADER), &m_header);
|
|
return (n != 0) ? &m_header : NULL;
|
|
}
|
|
PIXELFORMATDESCRIPTOR* GetEnhMetaFilePixelFormat()
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
memset(&m_pfd, 0, sizeof(m_pfd));
|
|
UINT n = ::GetEnhMetaFilePixelFormat(m_hEMF, sizeof(m_pfd), &m_pfd);
|
|
return (n != 0) ? &m_pfd : NULL;
|
|
}
|
|
};
|
|
|
|
|
|
typedef CEnhMetaFileT<false> CEnhMetaFileHandle;
|
|
typedef CEnhMetaFileT<true> CEnhMetaFile;
|
|
|
|
template <bool t_bManaged>
|
|
class CEnhMetaFileT
|
|
{
|
|
public:
|
|
// Data members
|
|
HENHMETAFILE m_hEMF;
|
|
|
|
// Constructor/destructor
|
|
CEnhMetaFileT(HENHMETAFILE hEMF = NULL) : m_hEMF(hEMF)
|
|
{
|
|
}
|
|
|
|
~CEnhMetaFileT()
|
|
{
|
|
if(t_bManaged && m_hEMF != NULL)
|
|
DeleteObject();
|
|
}
|
|
|
|
// Operations
|
|
CEnhMetaFileT<t_bManaged>& operator=(HENHMETAFILE hEMF)
|
|
{
|
|
Attach(hEMF);
|
|
return *this;
|
|
}
|
|
|
|
void Attach(HENHMETAFILE hEMF)
|
|
{
|
|
if(t_bManaged && m_hEMF != NULL)
|
|
DeleteObject();
|
|
m_hEMF = hEMF;
|
|
}
|
|
HENHMETAFILE Detach()
|
|
{
|
|
HENHMETAFILE hEMF = m_hEMF;
|
|
m_hEMF = NULL;
|
|
return hEMF;
|
|
}
|
|
|
|
operator HENHMETAFILE() const { return m_hEMF; }
|
|
|
|
bool IsNull() const { return (m_hEMF == NULL); }
|
|
|
|
BOOL DeleteObject()
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
BOOL bRet = ::DeleteEnhMetaFile(m_hEMF);
|
|
m_hEMF = NULL;
|
|
return bRet;
|
|
}
|
|
|
|
UINT GetEnhMetaFileBits(UINT cbBuffer, LPBYTE lpbBuffer) const
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
return ::GetEnhMetaFileBits(m_hEMF, cbBuffer, lpbBuffer);
|
|
}
|
|
UINT GetEnhMetaFileDescription(UINT cchBuffer, LPTSTR lpszDescription) const
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
return ::GetEnhMetaFileDescription(m_hEMF, cchBuffer, lpszDescription);
|
|
}
|
|
UINT GetEnhMetaFileHeader(LPENHMETAHEADER lpemh) const
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
lpemh->iType = EMR_HEADER;
|
|
lpemh->nSize = sizeof(ENHMETAHEADER);
|
|
return ::GetEnhMetaFileHeader(m_hEMF, sizeof(ENHMETAHEADER), lpemh);
|
|
}
|
|
UINT GetEnhMetaFilePaletteEntries(UINT cEntries, LPPALETTEENTRY lppe) const
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
return ::GetEnhMetaFilePaletteEntries(m_hEMF, cEntries, lppe);
|
|
}
|
|
UINT GetEnhMetaFilePixelFormat(DWORD cbBuffer, PIXELFORMATDESCRIPTOR* ppfd) const
|
|
{
|
|
ATLASSERT(m_hEMF != NULL);
|
|
return ::GetEnhMetaFilePixelFormat(m_hEMF, cbBuffer, ppfd);
|
|
}
|
|
};
|
|
|
|
|
|
class CEnhMetaFileDC : public CDC
|
|
{
|
|
public:
|
|
// Constructor/destructor
|
|
CEnhMetaFileDC()
|
|
{
|
|
}
|
|
CEnhMetaFileDC(HDC hdc, LPCRECT lpRect)
|
|
{
|
|
Create(hdc, NULL, lpRect, NULL);
|
|
ATLASSERT(m_hDC != NULL);
|
|
}
|
|
CEnhMetaFileDC(HDC hdcRef, LPCTSTR lpFilename, LPCRECT lpRect, LPCTSTR lpDescription)
|
|
{
|
|
Create(hdcRef, lpFilename, lpRect, lpDescription);
|
|
ATLASSERT(m_hDC != NULL);
|
|
}
|
|
|
|
~CEnhMetaFileDC()
|
|
{
|
|
HENHMETAFILE hEMF = Close();
|
|
if (hEMF != NULL)
|
|
::DeleteEnhMetaFile(hEMF);
|
|
}
|
|
|
|
// Operations
|
|
void Create(HDC hdcRef, LPCTSTR lpFilename, LPCRECT lpRect, LPCTSTR lpDescription)
|
|
{
|
|
ATLASSERT(m_hDC == NULL);
|
|
m_hDC = ::CreateEnhMetaFile(hdcRef, lpFilename, lpRect, lpDescription);
|
|
}
|
|
HENHMETAFILE Close()
|
|
{
|
|
HENHMETAFILE hEMF = NULL;
|
|
if (m_hDC != NULL)
|
|
{
|
|
hEMF = ::CloseEnhMetaFile(m_hDC);
|
|
m_hDC = NULL;
|
|
}
|
|
return hEMF;
|
|
}
|
|
};
|
|
|
|
}; //namespace WTL
|
|
|
|
#endif // __ATLGDI_H__
|