#pragma once
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// CGradientStatic
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typedef UINT (CALLBACK* LPFNDLLFUNC1)(HDC,CONST PTRIVERTEX,DWORD,CONST PVOID,DWORD,DWORD);
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class CDoubleBuff : public CDC {
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private:
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CBitmap m_bitmap; // Offscreen bitmap
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CBitmap* m_oldBitmap; // bitmap originally found in CDoubleBuff
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CDC* m_pDC; // Saves CDC passed in constructor
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CRect m_rect; // Rectangle of drawing area.
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BOOL m_bMemDC; // TRUE if CDC really is a Memory DC.
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public:
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CDoubleBuff(CDC* pDC, const CRect* pRect = NULL) : CDC()
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{
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ASSERT(pDC != NULL);
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// Some initialization
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m_pDC = pDC;
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m_oldBitmap = NULL;
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m_bMemDC = !pDC->IsPrinting();
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// Get the rectangle to draw
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if (pRect == NULL) {
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pDC->GetClipBox(&m_rect);
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} else {
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m_rect = *pRect;
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}
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if (m_bMemDC) {
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// Create a Memory DC
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CreateCompatibleDC(pDC);
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pDC->LPtoDP(&m_rect);
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m_bitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
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m_oldBitmap = SelectObject(&m_bitmap);
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SetMapMode(pDC->GetMapMode());
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SetWindowExt(pDC->GetWindowExt());
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SetViewportExt(pDC->GetViewportExt());
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pDC->DPtoLP(&m_rect);
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SetWindowOrg(m_rect.left, m_rect.top);
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} else {
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// Make a copy of the relevent parts of the current DC for printing
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m_bPrinting = pDC->m_bPrinting;
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m_hDC = pDC->m_hDC;
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m_hAttribDC = pDC->m_hAttribDC;
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}
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// Fill background
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FillSolidRect(m_rect, pDC->GetBkColor());
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}
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virtual ~CDoubleBuff()
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{
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if (m_bMemDC) {
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// Copy the offscreen bitmap onto the screen.
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m_pDC->BitBlt(m_rect.left, m_rect.top, m_rect.Width(), m_rect.Height(),
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this, m_rect.left, m_rect.top, SRCCOPY);
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//Swap back the original bitmap.
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SelectObject(m_oldBitmap);
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} else {
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// All we need to do is replace the DC with an illegal value,
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// this keeps us from accidently deleting the handles associated with
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// the CDC that was passed to the constructor.
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m_hDC = m_hAttribDC = NULL;
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}
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}
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// Allow usage as a pointer
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CDoubleBuff* operator->()
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{
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return this;
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}
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// Allow usage as a pointer
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operator CDoubleBuff*()
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{
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return this;
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}
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CDC *GetOriginalDC()
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{
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return m_pDC;
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}
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};
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class AFX_EXT_CLASS CGradientStatic : public CStatic
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{
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DECLARE_DYNAMIC(CGradientStatic)
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public:
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enum EN_ANI_MODE{EN_ANI_NONE=0,EN_ANI_LEFTRIGHT,EN_ANI_LAMP};
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CGradientStatic();
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virtual ~CGradientStatic();
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void SetWindowText(LPCTSTR a_lpstr);
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void SetColor(long cl) {clLeft=cl;};
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BOOL SetControlFont(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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void SetGradientColor(long cl) {clRight=cl; SetDrawColor(clLeft, clRight); };
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void SetTextColor(long cl) {clText=cl;};
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void SetReverseGradient();
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void SetLeftSpacing(int iNoOfPixels) { m_iLeftSpacing = iNoOfPixels; };
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void SetTextAlign(int iAlign ) { m_iAlign = iAlign; }; //0 - left, 1 - center, 2 -right
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void SetVerticalGradient(BOOL a_bVertical = TRUE) { m_bVertical = a_bVertical; };
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void SetOulineColor(long cl1, long cl2) { clOut1 = cl1; clOut2 = cl2; m_bDrawOutLine = TRUE; }
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void SetDrawColor(long cl1, long cl2);
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void MoveDrawColor();
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void SetAnimationMode(int nMode, int nTime, int nIndex);
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static void DrawGradRect(CDC *pDC, CRect r, COLORREF cLeft, COLORREF cRight, BOOL a_bVertical);
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void DrawGradRect(CDC *pDC, CRect r, BOOL a_bVertical, COLORREF *cl);
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protected:
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CString m_sTEXT;
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int m_iLeftSpacing;
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long clLeft;
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long clRight;
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long clText;
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long clOut1;
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long clOut2;
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COLORREF clDrawColor[510];
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int m_iAlign;
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BOOL m_bDrawOutLine;
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EN_ANI_MODE m_enAnimation;
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int m_nAniColorCount;
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HINSTANCE hinst_msimg32;
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BOOL m_bCanDoGradientFill;
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BOOL m_bVertical;
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LPFNDLLFUNC1 dllfunc_GradientFill;
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CFont m_font;
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afx_msg void OnPaint();
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afx_msg void OnTimer(UINT_PTR nIDEvent);
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DECLARE_MESSAGE_MAP()
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public:
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};
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