PNGButton VC制作PNG透明按钮类文件

#include "StdAfx.h" #include "PNGButton.h" #include "Resource.h" #include "MyUtil.cpp" //Download by http://www.codefans.net PNGButton::PNGButton(void) { this->m_is_checked=false; DrawBorder=false; m_is_mouse_over = false; m_is_tracked = false; } PNGButton::~PNGButton(void) { } IMPLEMENT_DYNCREATE(PNGButton, CWnd) BEGIN_MESSAGE_MAP(PNGButton, CWnd) //{{AFX_MSG_MAP(MySelfWnd) // ON_WM_LBUTTONDOWN() //}}AFX_MSG_MAP ON_WM_PAINT() ON_WM_MOUSEHOVER() ON_WM_MOUSELEAVE() ON_WM_MOUSEMOVE() ON_WM_LBUTTONUP() END_MESSAGE_MAP() //void PNGButton::OnLButtonDown(UINT nFlags, CPoint point) //{ // CWnd::OnLButtonDown(nFlags, point); //} BOOL PNGButton::Create( UINT x,UINT y, CWnd* pParentWnd, UINT nID, UINT PngID,Gdiplus::Image* hoverBg, CCreateContext* pContext) { // TODO: Add your specialized code here and/or call the base class // 重新注册窗口类, LPCTSTR lpszClassName=AfxRegisterWndClass( CS_HREDRAW|CS_VREDRAW , AfxGetApp()->LoadStandardCursor(IDC_ARROW), (HBRUSH)GetStockObject(TRANSPARENT), NULL) ; MyUtil::ImageFromIDResource(PngID,L"PNG",this->bg); this->hoverBg=hoverBg; mWidth=bg->GetWidth(); mHeight=bg->GetHeight(); BOOL OK=CWnd::Create(NULL,NULL,WS_CHILDWINDOW|WS_VISIBLE, CRect(x,y,x+mWidth,mHeight+y),pParentWnd, nID, pContext);; //|BS_OWNERDRAW ModifyStyleEx(0, WS_EX_TRANSPARENT);// WS_EX_LAYERED||WS_EX_TRANSPARENT //SetLayeredWindowAttributes(TRANSPARENT, (byte)(255 * 1), LWA_COLORKEY); //LWA_ALPHA LWA_COLORKEY return OK; } BOOL PNGButton::Create(UINT x,UINT y, CWnd* pParentWnd, UINT nID, UINT PngID,UINT PngID_hOver, CCreateContext* pContext){ LPCTSTR lpszClassName=AfxRegisterWndClass( CS_HREDRAW|CS_VREDRAW , AfxGetApp()->LoadStandardCursor(IDC_ARROW), (HBRUSH)GetStockObject(TRANSPARENT), NULL) ; MyUtil::ImageFromIDResource(PngID,L"PNG",this->bg); MyUtil::ImageFromIDResource(PngID_hOver,L"PNG",this->hoverBg); mWidth=bg->GetWidth(); mHeight=bg->GetHeight(); BOOL OK=CWnd::Create(NULL,NULL,WS_CHILDWINDOW|WS_VISIBLE, CRect(x,y,x+mWidth,mHeight+y),pParentWnd, nID, pContext);; //|BS_OWNERDRAW ModifyStyleEx(0, WS_EX_TRANSPARENT);// WS_EX_LAYERED||WS_EX_TRANSPARENT //SetLayeredWindowAttributes(TRANSPARENT, (byte)(255 * 1), LWA_COLORKEY); //LWA_ALPHA LWA_COLORKEY return OK; } void PNGButton::OnPaint() { CPaintDC dc(this); Graphics g(dc.m_hDC); Bitmap bmp(this->mWidth,this->mHeight); Graphics* gBuf=Graphics::FromImage(&bmp); gBuf->DrawImage(this->bg,0,0); //画鼠标指向时的亮色背景 或被选中时 if(DrawBorder|m_is_checked){ gBuf->DrawImage(hoverBg,0,0,0,0,mWidth,mHeight,Gdiplus::UnitPixel); TRACE(L"DrawBorder\r\n"); } delete gBuf; g.DrawImage(&bmp,0,0); g.ReleaseHDC(dc.m_hDC); } void PNGButton::PaintParent() { CRect rect; GetWindowRect(&rect); GetParent()-> ScreenToClient(&rect); GetParent()-> InvalidateRect(&rect); } void PNGButton::OnMouseHover(UINT nFlags, CPoint point) { DrawBorder=true; PaintParent(); TRACE(L"OnMouseHover\r\n"); //CWnd::OnMouseHover(nFlags, point); } void PNGButton::OnMouseLeave() { m_is_mouse_over = false; m_is_tracked = false; DrawBorder=false; PaintParent(); //TRACE(L"OnMouseLeave\r\n"); CWnd::OnMouseLeave(); } void PNGButton::OnMouseMove(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_is_mouse_over = true; //TRACE(L"OnMouseMove\r\n"); if(!m_is_tracked) { TRACKMOUSEEVENT tme; tme.cbSize = sizeof(TRACKMOUSEEVENT); tme.dwFlags = TME_LEAVE|TME_HOVER; // tme.hwndTrack = GetSafeHwnd(); tme.dwHoverTime = 80; _TrackMouseEvent(&tme); m_is_tracked = true; //OnMouseHover(nFlags,point); } CWnd::OnMouseMove(nFlags, point); } void PNGButton::Check(bool check){ if(this->m_is_checked!=check){ this->m_is_checked=check; PaintParent(); //TRACE(L"DrawSelected\r\n"); } /*else{ TRACE(L"Check(%d,%d)\r\n",GetDlgCtrlID(),check); }*/ } void PNGButton::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 TRACE(L"Click!\n"); GetParent()->SendMessage(WM_COMMAND,GetDlgCtrlID()|0,(LONG)GetSafeHwnd()); CWnd::OnLButtonUp(nFlags, point); }