Exemplo n.º 1
0
//Background drawing function
void CTestRectGc::Draw(CWindowGc& aGc, const CCoeControl& aControl, const TRect& aRect) const
	{		
		if (iBmpBackground) 
		{
						
			TPoint a = PositionRelativeToScreen();
			TPoint b = aControl.PositionRelativeToScreen();

			//The source rect of the background is the relationship between this control and the control being drawn (child)
			//plus the subrect (aRect) to be drawn.
			TRect SourceRect(b-a+aRect.iTl, aRect.Size());

			aGc.SetDrawMode(CGraphicsContext::EDrawModePEN);
			aGc.BitBlt(aRect.iTl, iBmpBackground, SourceRect);			
			aGc.SetDrawMode(CGraphicsContext::EDrawModePEN);
		}
		else
		{
			TRect rc;
			aGc.SetClippingRect(aRect);
			aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
    		aGc.SetBrushColor(iBrushColor);
    		aGc.SetBrushStyle(iBrushStyle);
			aGc.DrawRect(rc);
			aGc.CancelClippingRect();

		}		
	}
Exemplo n.º 2
0
/****************************************************************************\
|	Function:	CNumberedWindow::Draw
 |	Purpose:	Redraws the contents of CNumberedWindow within a given
 |				rectangle.  CNumberedWindow displays a number in the window.
 |	Input:		aRect	Rectangle that needs redrawing
 |	Output:		None
 \****************************************************************************/
void CNumberedWindow::Draw(const TRect& aRect)
    {
    const TBufC<1> strings[5] =
        {
        *&KString1, *&KString2, *&KString3, *&KString4, *&KString5
        };

    CWindowGc* gc = SystemGc(); // get a graphics context
    gc->SetClippingRect(aRect); // clip outside the redraw area
    gc->Clear(aRect); // clear the redraw area
    TSize size = iWindow.Size();
    TInt height = size.iHeight; // Need window height to calculate vertical text offset
    TInt ascent = Font()->AscentInPixels();
    TInt descent = Font()->DescentInPixels();
    TInt offset = (height + (ascent + descent)) / 2; // Calculate vertical text offset
    gc->SetPenColor(TRgb(0, 0, 0)); // Set pen to black
    gc->UseFont(Font());
    gc->DrawText(strings[iNumber], TRect(TPoint(0, 0), size), offset,
            CGraphicsContext::ECenter);
    gc->DiscardFont();
    }
Exemplo n.º 3
0
void CMainWindow::Draw(const TRect& aRect)
    {
    CWindowGc* gc = SystemGc(); // get a gc
    gc->SetClippingRect(aRect); // clip outside this rect
    gc->Clear(aRect); // clear
    }