cpuratecontrol.rar

void CCPURateControlCtrl::ReDrawControl() { CDC memDC; CClientDC dc(this); CBitmap memBitmap; CBitmap *pOldBitmap=NULL; CString strUsges; CPen FreePen; CPen UsedPen; CPen *pOldPen = NULL; CPen *pOldMemPen = NULL; CRect m_rect; GetClientRect(&m_rect); FreePen.CreatePen(PS_SOLID,2,m_FreeColor); UsedPen.CreatePen(PS_SOLID,2,m_UsedColor); memDC.CreateCompatibleDC(&dc); pOldMemPen=memDC.SelectObject(&FreePen); memBitmap.CreateCompatibleBitmap(&dc,m_rect.right,m_rect.bottom); pOldBitmap=memDC.SelectObject(&memBitmap); memDC.FillSolidRect(&m_rect, m_BackColor); //draw unused for(int i=0;i<=15;i+=3) { memDC.MoveTo(m_rect.left+15,m_rect.top+15+i); memDC.LineTo(m_rect.Width()/2-2,m_rect.top+15+i); memDC.MoveTo(m_rect.Width()/2+2,m_rect.top+15+i); memDC.LineTo(m_rect.right-15,m_rect.top+15+i); } CString str; str.Format("%3d%%",iUsedRate); memDC.SelectObject(&UsedPen); CFont m_Font; m_Font.CreateFont(14, // nHeight 5, // nWidth 0, // nEscapement 0, // nOrientation FW_NORMAL, // nWeight FALSE, // bItalic FALSE, // bUnderline 0, // cStrikeOut ANSI_CHARSET, // nCharSet OUT_DEFAULT_PRECIS, // nOutPrecision CLIP_DEFAULT_PRECIS, // nClipPrecision DEFAULT_QUALITY, // nQuality DEFAULT_PITCH | FF_SWISS, // nPitchAndFamily "Arial" ); CFont *pFont=memDC.SelectObject(&m_Font); memDC.SetTextColor(m_FontColor); memDC.SetBkMode(TRANSPARENT); memDC.TextOut(m_rect.Width()/2-12,m_rect.bottom-20,str); int iAmount=0,k; if(iUsedRate>5 && iUsedRate<=20) iAmount=1; if(iUsedRate>20 && iUsedRate<=33) iAmount=2; if(iUsedRate>34 && iUsedRate<=50) iAmount=3; if(iUsedRate>51 && iUsedRate<=70) iAmount=4; if(iUsedRate>71 && iUsedRate<=90) iAmount=5; if(iUsedRate>91 && iUsedRate<=100) iAmount=6; //draw used switch(iAmount) { case 1: k=0;break; case 2: k=-3;break; case 3: k=-6;break; case 4: k=-9;break; case 5: k=-12;break; case 6: k=-16;break; default: k=1;break; } for(int j=0;j>=k;j-=3) { memDC.MoveTo(m_rect.left+15,m_rect.top+15+15+j); memDC.LineTo(m_rect.Width()/2-2,m_rect.top+15+15+j); memDC.MoveTo(m_rect.Width()/2+2,m_rect.top+15+15+j); memDC.LineTo(m_rect.right-15,m_rect.top+15+15+j); } dc.BitBlt(m_rect.left,m_rect.top,m_rect.right,m_rect.bottom,&memDC,0,0,SRCCOPY); memDC.SelectObject(pOldBitmap); memDC.SelectObject(pOldMemPen); memDC.DeleteDC(); memBitmap.DeleteObject(); } void CCPURateControlCtrl::OnPaint() { CPaintDC dc(this); // device context for painting ReDrawControl(); } int CCPURateControlCtrl::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (COleControl::OnCreate(lpCreateStruct) == -1) return -1; return 0; } void CCPURateControlCtrl::SetFreeColor(OLE_COLOR m_Color) { // TODO: Add your dispatch handler code here m_FreeColor=m_Color; Invalidate(); } void CCPURateControlCtrl::SetUsedColor(OLE_COLOR m_Color) { // TODO: Add your dispatch handler code here m_UsedColor=m_Color; Invalidate(); } void CCPURateControlCtrl::RestoreDefaultColor() { // TODO: Add your dispatch handler code here m_FontColor=RGB(0,255,0); m_UsedColor=RGB(0,255,0); m_FreeColor=RGB(0,150,0); m_BackColor=RGB(0,0,0); Invalidate(); } void CCPURateControlCtrl::SetUsedRate(short iRate) { // TODO: Add your dispatch handler code here if(iRate>100 ||iRate<0) return; else iUsedRate=iRate; Invalidate(); } void CCPURateControlCtrl::SetBKColor(OLE_COLOR m_Color) { m_BackColor=m_Color; Invalidate(); } void CCPURateControlCtrl::SetFontColor(OLE_COLOR m_Color) { m_FontColor=m_Color; Invalidate(); }