自定义彩色static text控件类，怎么设置控件背景透明
不是设置文字的背景透明，请看代码
.h文件
#pragma once// CColorStaticclass CColorStatic : public CStatic{ DECLARE_DYNAMIC(CColorStatic)public: CColorStatic(); virtual ~CColorStatic(); afx_msg HBRUSH CtlColor( CDC* pDC, UINT nCtlColor ); void SetTextColor( COLORREF crText ); void SetTransparent( bool bTran ); void SetBackColor( COLORREF crBackColor );protected: DECLARE_MESSAGE_MAP() COLORREF m_crTextColor; COLORREF m_crBackColor; HBRUSH m_hBrush; bool m_bTran;};#include "stdafx.h"#include "test.h"#include "ColorStatic.h"// CColorStaticIMPLEMENT_DYNAMIC(CColorStatic, CStatic)CColorStatic::CColorStatic() : m_bTran(0) , m_crTextColor( RGB( 0, 0, 0 ) ) , m_crBackColor( RGB( 240, 240, 240 ) ){}CColorStatic::~CColorStatic(){}BEGIN_MESSAGE_MAP( CColorStatic, CStatic ) ON_WM_CTLCOLOR_REFLECT()END_MESSAGE_MAP()// CColorStatic message handlersHBRUSH CColorStatic::CtlColor( CDC* pDC, UINT nCtlColor ) { if (CTLCOLOR_STATIC == nCtlColor) { pDC->SetTextColor( m_crTextColor ); pDC->SetBkColor( m_crBackColor ); if (m_bTran == true) pDC->SetBkMode(TRANSPARENT); } return m_hBrush;}void CColorStatic::SetTextColor( COLORREF crText ) { m_crTextColor = crText; RedrawWindow(); } void CColorStatic::SetTransparent( bool bTran ) { m_bTran = bTran; RedrawWindow(); } void CColorStatic::SetBackColor( COLORREF crBackColor ) { m_crBackColor = crBackColor; RedrawWindow(); } #include "stdafx.h"#include "TStatic.h"#include ".\tstatic.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// TStaticTStatic::TStatic(){ m_crText = GetSysColor(COLOR_WINDOWTEXT); m_hBackBrush = NULL; ::GetObject((HFONT)GetStockObject(DEFAULT_GUI_FONT),sizeof(m_lf),&m_lf); m_font.CreateFontIndirect(&m_lf); m_bTimer = FALSE; m_bState = FALSE; m_bTransparent = FALSE; m_bLink = TRUE; m_hCursor = NULL; m_Type = None; m_bFont3d = FALSE; m_bNotifyParent = FALSE; m_bToolTips = FALSE; m_bRotation = FALSE; m_bHover = FALSE; m_isLinkWord = FALSE; m_bHotTrack = FALSE; m_cr3DHiliteColor = RGB(255,255,255); m_hwndBrush = ::CreateSolidBrush(RGB(255,255,255));}TStatic::~TStatic(){ m_font.DeleteObject(); ::DeleteObject(m_hwndBrush); ::DeleteObject(m_hBackBrush); ::DeleteObject(m_hCursor); OutputDebugString("Clear Static text:"); CString strText; GetWindowText(strText); OutputDebugString(strText); OutputDebugString("\n");}BEGIN_MESSAGE_MAP(TStatic, CStatic) //{{AFX_MSG_MAP(TStatic) ON_WM_MOUSEMOVE() ON_WM_SETCURSOR() ON_WM_SYSCOLORCHANGE() //}}AFX_MSG_MAP ON_MESSAGE(WM_MOUSEHOVER,OnMouseHover) ON_MESSAGE(WM_MOUSELEAVE,OnMouseLeave) ON_WM_PAINT() ON_WM_LBUTTONDOWN() ON_WM_LBUTTONUP()END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// TStatic message handlersvoid TStatic::ReconstructFont(){ m_font.DeleteObject(); BOOL bCreated = m_font.CreateFontIndirect(&m_lf); ASSERT(bCreated);}void TStatic::OnMouseMove(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default //SetWindowText("鼠标进入"); TRACKMOUSEEVENT tme; tme.cbSize = sizeof(tme); tme.hwndTrack = m_hWnd; tme.dwFlags = TME_LEAVE | TME_HOVER; tme.dwHoverTime = 1; _TrackMouseEvent(&tme); if (m_bHover) // Cursor is currently over control { CRect rect; GetClientRect(rect); if (!rect.PtInRect(point)) { m_bHover = FALSE; this->Invalidate(); ::ReleaseCapture(); } } else // Cursor has just moved over control { m_bHover = TRUE; this->Invalidate(); this->SetCapture(); if (m_bHotTrack) ::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(32649))); } CStatic::OnMouseMove(nFlags, point);}HRESULT TStatic::OnMouseHover(WPARAM wParam, LPARAM lParam){ if (m_isLinkWord) { //绘制字体颜色 m_crText = RGB(0,0,0); Invalidate(); } return S_OK;}HRESULT TStatic::OnMouseLeave(WPARAM wParam, LPARAM lParam){ if (m_isLinkWord) { //绘制字体颜色 m_crText = RGB(0,0,255); Invalidate(); } return S_OK;}void TStatic::SetLinkWord(BOOL isLinkWord){ m_isLinkWord = isLinkWord; if (m_isLinkWord) { m_crText = RGB(0,0,255); Invalidate(); }}void TStatic::OnPaint(){ CPaintDC dc(this); // device context for painting DWORD dwFlags = 0; CRect rc; GetClientRect(rc); CString strText; GetWindowText(strText); CBitmap bmp; // Set up for double buffering... CDC* pDCMem; if (!m_bTransparent) { pDCMem = new CDC; pDCMem->CreateCompatibleDC(&dc); bmp.CreateCompatibleBitmap(&dc,rc.Width(),rc.Height()); pDCMem->SelectObject(&bmp); } else { pDCMem = GetDC(); } UINT nMode = pDCMem->SetBkMode(TRANSPARENT); COLORREF crText = pDCMem->SetTextColor(m_crText); CFont *pOldFont = pDCMem->SelectObject(&m_font); // Fill in backgound if not transparent if (!m_bTransparent) { CBrush br; if (m_bState && m_Type == Background) { if (m_hBackBrush != NULL) br.Attach(m_hBackBrush); else br.Attach(m_hwndBrush); } else { if (m_hBackBrush != NULL) br.Attach(m_hBackBrush); else br.Attach(m_hwndBrush); } pDCMem->FillRect(rc,&br); br.Detach(); br.DeleteObject(); } // If the text is flashing turn the text color on // then to the color of the window background. LOGBRUSH lb; ZeroMemory(&lb,sizeof(lb)); ::GetObject(m_hBackBrush,sizeof(lb),&lb); // Something to do with flashing if (!m_bState && m_Type == Text) pDCMem->SetTextColor(lb.lbColor); if (!(GetStyle() & SS_LEFTNOWORDWRAP)) dwFlags |= DT_WORDBREAK; if (GetStyle() & SS_LEFT) dwFlags = DT_LEFT; if (GetStyle() & SS_RIGHT) dwFlags = DT_RIGHT; if (GetStyle() & SS_CENTER) dwFlags = DT_CENTER; // If the text centered make an assumtion that // the will want to center verticly as well if (GetStyle() & SS_CENTERIMAGE) { dwFlags = DT_CENTER; // Apply if (strText.Find("\r\n") == -1) { dwFlags |= DT_VCENTER; // And because DT_VCENTER only works with single lines dwFlags |= DT_SINGLELINE; } } // 3D旋转效果 if (m_bRotation) { int nAlign = pDCMem->SetTextAlign (TA_BASELINE); CPoint pt; GetViewportOrgEx (pDCMem->m_hDC,&pt) ; SetViewportOrgEx (pDCMem->m_hDC,rc.Width() / 2, rc.Height() / 2, NULL) ; pDCMem->TextOut (0, 0, strText) ; SetViewportOrgEx (pDCMem->m_hDC,pt.x / 2, pt.y / 2, NULL) ; pDCMem->SetTextAlign (nAlign); } else { pDCMem->DrawText(strText,rc,dwFlags); if (m_bFont3d) { pDCMem->SetTextColor(m_cr3DHiliteColor); if (m_3dType == Raised) rc.OffsetRect(-1,-1); else rc.OffsetRect(1,1); pDCMem->DrawText(strText,rc,dwFlags); } } // Restore DC's State pDCMem->SetBkMode(nMode); pDCMem->SelectObject(pOldFont); pDCMem->SetTextColor(crText); if (!m_bTransparent) { dc.BitBlt(0,0,rc.Width(),rc.Height(),pDCMem,0,0,SRCCOPY); pDCMem->DeleteDC(); delete pDCMem; bmp.DeleteObject(); return; } bmp.DeleteObject(); ReleaseDC(pDCMem);}BOOL TStatic::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) { if (m_hCursor) { ::SetCursor(m_hCursor); return TRUE; } return CStatic::OnSetCursor(pWnd, nHitTest, message);}TStatic& TStatic::SetText(const CString& strText){ SetWindowText(strText); Invalidate(FALSE); return *this;}TStatic& TStatic::SetTextColor(COLORREF crText){ m_crText = crText; RedrawWindow(); return *this;}TStatic& TStatic::SetFontBold(BOOL bBold){ m_lf.lfWeight = bBold ? FW_BOLD : FW_NORMAL; ReconstructFont(); RedrawWindow(); return *this;}TStatic& TStatic::SetFontUnderline(BOOL bSet){ m_lf.lfUnderline = bSet; ReconstructFont(); RedrawWindow(); return *this;}TStatic& TStatic::SetFontItalic(BOOL bSet){ m_lf.lfItalic = bSet; ReconstructFont(); RedrawWindow(); return *this; }TStatic& TStatic::SetSunken(BOOL bSet){ if (!bSet) ModifyStyleEx(WS_EX_STATICEDGE,0,SWP_DRAWFRAME); else ModifyStyleEx(0,WS_EX_STATICEDGE,SWP_DRAWFRAME); return *this; }TStatic& TStatic::SetBorder(BOOL bSet){ if (!bSet) ModifyStyle(WS_BORDER,0,SWP_DRAWFRAME); else ModifyStyle(0,WS_BORDER,SWP_DRAWFRAME); return *this; }TStatic& TStatic::SetFontSize(int nSize){ CFont cf; LOGFONT lf; cf.CreatePointFont(nSize * 10, m_lf.lfFaceName); cf.GetLogFont(&lf); m_lf.lfHeight = lf.lfHeight; m_lf.lfWidth = lf.lfWidth; ReconstructFont(); RedrawWindow(); return *this;}TStatic& TStatic::SetBkColor(COLORREF crBkgnd){ if (m_hBackBrush) ::DeleteObject(m_hBackBrush); m_hBackBrush = ::CreateSolidBrush(crBkgnd); Invalidate(FALSE); return *this;}TStatic& TStatic::SetFontName(const CString& strFont){ strcpy(m_lf.lfFaceName,strFont); ReconstructFont(); RedrawWindow(); return *this;}TStatic& TStatic::FlashText(BOOL bActivate){ if (m_bTimer) KillTimer(1); if (bActivate) { m_bState = FALSE; m_bTimer = TRUE; SetTimer(1,500,NULL); m_Type = Text; } else m_Type = None; return *this;}TStatic& TStatic::FlashBackground(BOOL bActivate){ if (m_bTimer) KillTimer(1); if (bActivate) { m_bState = FALSE; m_bTimer = TRUE; SetTimer(1,500,NULL); m_Type = Background; } return *this;}TStatic& TStatic::SetLink(BOOL bLink,BOOL bNotifyParent){ m_bLink = bLink; m_bNotifyParent = bNotifyParent; if (bLink) ModifyStyle(0,SS_NOTIFY); else ModifyStyle(SS_NOTIFY,0); return *this;}TStatic& TStatic::SetLinkCursor(HCURSOR hCursor){ m_hCursor = hCursor; return *this;}TStatic& TStatic::SetTransparent(BOOL bSet){ m_bTransparent = bSet; ModifyStyleEx(0,WS_EX_TRANSPARENT); InvalidateRect(NULL,TRUE); UpdateWindow(); return *this;}TStatic& TStatic::SetFont3D(BOOL bSet,Type3D type){ m_bFont3d = bSet; m_3dType = type; RedrawWindow(); return *this;}void TStatic::OnSysColorChange() { if (m_hwndBrush) ::DeleteObject(m_hwndBrush); m_hwndBrush = ::CreateSolidBrush(GetSysColor(COLOR_3DFACE)); RedrawWindow(); }TStatic& TStatic::SetRotationAngle(UINT nAngle,BOOL bRotation){ m_lf.lfEscapement = m_lf.lfOrientation = (nAngle * 10); m_bRotation = bRotation; ReconstructFont(); RedrawWindow(); return *this;}TStatic& TStatic::SetText3DHiliteColor(COLORREF cr3DHiliteColor){ m_cr3DHiliteColor = cr3DHiliteColor; RedrawWindow(); return *this;}void TStatic::OnLButtonDown(UINT nFlags, CPoint point){ // TODO: 在此添加消息处理程序代码和/或调用默认值 m_crText = RGB(255,0,0); Invalidate(TRUE); CStatic::OnLButtonDown(nFlags, point);}void TStatic::OnLButtonUp(UINT nFlags, CPoint point){ // TODO: 在此添加消息处理程序代码和/或调用默认值 m_crText = RGB(0,0,255); Invalidate(TRUE); CStatic::OnLButtonUp(nFlags, point);}