void CDisplayWindow::DrawGradientFill(HDC hdc,RECT *rc)
{
if(m_hBitmapBackground)
{
DeleteObject(m_hBitmapBackground);
}
/* Create the (temporary) off-screen buffer used for drawing. */
m_hBitmapBackground = CreateCompatibleBitmap(hdc,rc->right - rc->left,rc->bottom - rc->top);
SelectObject(m_hdcBackground,m_hBitmapBackground);
Gdiplus::Graphics graphics(m_hdcBackground);
Gdiplus::Rect DisplayRect(0,0,rc->right - rc->left,rc->bottom - rc->top);
Gdiplus::GraphicsPath Path;
Path.AddRectangle(DisplayRect);
Gdiplus::PathGradientBrush pgb(&Path);
pgb.SetCenterPoint(Gdiplus::Point(0,0));
pgb.SetCenterColor(m_CentreColor);
INT count = 1;
pgb.SetSurroundColors(&m_SurroundColor,&count);
graphics.FillRectangle(&pgb,DisplayRect);
/* This draws a separator line across the top edge of the window,
so that it is visually separated from other windows. */
Gdiplus::Pen NewPen(BORDER_COLOUR,1);
graphics.DrawLine(&NewPen,0,0,rc->right,0);
}
void CChartCtrl::OnPaint()
{
CPaintDC dc(this); // device context for painting
if (!m_bMemDCCreated)
{
RefreshCtrl();
m_bMemDCCreated = true;
}
// Get Size of Display area
CRect rect;
GetClientRect(&rect);
dc.BitBlt(0, 0, rect.Width(), rect.Height(),
&m_BackgroundDC, 0, 0, SRCCOPY) ;
// Draw the zoom rectangle
if (m_bZoomEnabled && m_bLMouseDown)
{
CPen NewPen(PS_SOLID,1,RGB(255,255,255));
CPen* pOldPen = dc.SelectObject(&NewPen);
dc.MoveTo(m_rectZoomArea.TopLeft());
dc.LineTo(m_rectZoomArea.right,m_rectZoomArea.top);
dc.LineTo(m_rectZoomArea.BottomRight());
dc.LineTo(m_rectZoomArea.left,m_rectZoomArea.bottom);
dc.LineTo(m_rectZoomArea.TopLeft());
dc.SelectObject(pOldPen);
DeleteObject(NewPen);
}
}
void CGridListCtrl::OnPaint()
{
// Make the gridlines easier to see than default light grey
// First let the control do its default drawing.
const MSG *pMsg = GetCurrentMessage();
DefWindowProc(pMsg->message, pMsg->wParam, pMsg->lParam);
// Draw the lines only for LVS_REPORT mode
if ((GetStyle() & LVS_TYPEMASK) == LVS_REPORT) {
CClientDC dc(this);
CPen NewPen(PS_SOLID, 0, m_RGBLineColour);
CPen *pOldPen = dc.SelectObject(&NewPen);
// Get the number of columns
CHeaderCtrl *pHeader = (CHeaderCtrl *)GetDlgItem(m_HeaderCtrlID);
int nColumnCount = pHeader->GetItemCount();
// The bottom of the header corresponds to the top of the line
RECT rect;
pHeader->GetClientRect(&rect);
int top = rect.bottom;
// Now get the client rect so we know the line length and when to stop
GetClientRect(&rect);
// The border of the column is offset by the horz scroll
int borderx = 0 - GetScrollPos(SB_HORZ);
for (int i = 0; i < nColumnCount; i++) {
// Get the next border
borderx += GetColumnWidth(pHeader->OrderToIndex(i));
// if next border is outside client area, break out
if (borderx >= rect.right) break;
// Draw the line.
dc.MoveTo(borderx - 1, top);
dc.LineTo(borderx - 1, rect.bottom);
}
// Draw the horizontal grid lines
// First get the height
if (!GetItemRect(0, &rect, LVIR_BOUNDS))
return;
int height = rect.bottom - rect.top;
GetClientRect(&rect);
int width = rect.right;
for (int i = 1; i <= GetCountPerPage(); i++) {
dc.MoveTo(0, top + height * i);
dc.LineTo(width, top + height * i);
}
dc.SelectObject(pOldPen);
}
}
void CMagneticView::SolidRect(CDC* pDC, LPCRECT lpRect, COLORREF Colour)
{
CPen NewPen(PS_SOLID,1,Colour);
CPen* pOldPen = pDC->SelectObject(&NewPen);
CBrush NewBrush(Colour);
CBrush* pOldBrush = pDC->SelectObject(&NewBrush);
pDC->Rectangle(lpRect);
pDC->SelectObject(pOldPen);
pDC->SelectObject(pOldBrush);
}
void CChartLineSerie::DrawLegend(CDC *pDC, const CRect& rectBitmap) const
{
if (m_strSerieName== _T(""))
return;
//Draw line:
LOGBRUSH lb;
lb.lbStyle = BS_SOLID;
lb.lbColor = m_SerieColor;
CPen NewPen(PS_GEOMETRIC | m_iPenStyle,m_iLineWidth,&lb);
CPen* pOldPen = pDC->SelectObject(&NewPen);
pDC->MoveTo(rectBitmap.left,rectBitmap.CenterPoint().y);
pDC->LineTo(rectBitmap.right,rectBitmap.CenterPoint().y);
pDC->SelectObject(pOldPen);
DeleteObject(NewPen);
}
