C++ (Cpp) CGraphicsContext::Reset示例

EXPORT_C void CTestPicture::Draw(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect,MGraphicsDeviceMap* /*aMap*/) const
// draw a simple object
{
    aGc.Reset();
    aGc.SetClippingRect(aClipRect);
    TSize size; // Size in pixels
    TSize sizeInner; // In pixels
    TRect box;
    GetSizeInPixels(aGc.Device(),size);
    box.iTl=aTopLeft;
    box.iBr.iX=aTopLeft.iX+size.iWidth;
    box.iBr.iY=aTopLeft.iY+size.iHeight;
    TRgb black(0,0,0);
    TRgb white(255,255,255);
// First draw outer box and fill in rest of box.
    aGc.SetBrushColor(white);
    aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
    aGc.DrawRect(box);
// Inner box.
    sizeInner.iWidth=size.iWidth/3;
    sizeInner.iHeight=size.iHeight/3;
    box.iTl.iX+=sizeInner.iWidth;
    box.iTl.iY+=sizeInner.iHeight;
    box.iBr.iX-=sizeInner.iWidth;
    box.iBr.iY-=+sizeInner.iHeight;
    aGc.SetBrushColor(black);
    aGc.SetBrushStyle(CGraphicsContext::EDiamondCrossHatchBrush);
    aGc.DrawRect(box);
}

示例#2

显示文件

文件： CONPICS.CPP 项目： kuailexs/symbiandump-os2

EXPORT_C void CXzePicture::Draw(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect,MGraphicsDeviceMap* aMap) const
// Draw this simple picture.
//
{
    aGc.Reset();
    aGc.SetClippingRect(aClipRect);
    TSize size;  // Size of graphics device in pixels
    GetSizeInPixels(aMap,size);
    TRect box;  // The rectangle that exactly fits the picture
    box.iTl=aTopLeft;
    box.iBr.iX=aTopLeft.iX+size.iWidth;
    box.iBr.iY=aTopLeft.iY+size.iHeight;
    TRgb white(255,255,255);
// First draw outer box and fill in rest of box.
    aGc.SetBrushColor(white);
    aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
    aGc.DrawRect(box);
// Now draw label
    CFont* font;
    TFontSpec fontSpec(_L("Arial"),213);
    if (aMap->GetNearestFontInTwips(font,fontSpec)<0)
    {
        return;
    }
    aGc.UseFont(font);
    TBuf<1> label;
    label.Append(iLabel);
    TInt baselineOffset=(box.Height()+font->AscentInPixels())/2;
    aGc.SetBrushStyle(CGraphicsContext::ENullBrush);
    aGc.DrawText(label,box,baselineOffset,CGraphicsContext::ECenter);
    aGc.DiscardFont();
    aMap->ReleaseFont(font);
}

示例#3

显示文件

文件： MyPicture.cpp 项目： fedor4ever/packaging

// ---------------------------------------------------------
// Draw()
// ---------------------------------------------------------
//
void CMyPicture::Draw( CGraphicsContext& aGc,
						     const TPoint& aTopLeft,
						     const TRect& aClipRect,
						     MGraphicsDeviceMap* aMap ) const
	{
	TRect bitmapRect=aMap->TwipsToPixels(TRect(TPoint(),iSizeInTwips));
	bitmapRect.Move(aTopLeft);
	aGc.Reset();
	aGc.SetClippingRect(aClipRect);
	aGc.DrawBitmap(bitmapRect, iBitmap);
	}

示例#4

显示文件

文件： TestPicture.cpp 项目： cdaffara/symbiandump-os2

//draw a red square
void CTestPicture::Draw(CGraphicsContext& aGc, const TPoint& aTopLeft,
	const TRect& aClipRect, MGraphicsDeviceMap* aMap) const
	{
	aGc.Reset();
	aGc.SetClippingRect(aClipRect);
	TSize size;  
	GetSizeInPixels(aMap,size);
	TRect box;  
	box.iTl=aTopLeft;
	box.iBr.iX=aTopLeft.iX+size.iWidth;
	box.iBr.iY=aTopLeft.iY+size.iHeight;
	TRgb red(255,0,0);
	aGc.SetBrushColor(red);
	aGc.SetBrushStyle(CGraphicsContext::ESolidBrush);
	aGc.DrawRect(box);
	}