Symbian 创建字体的实现

核心提示：//Symbian创建字体CFont* CMyView::MyCreateFont(TInt aSystemFontIndex,TInt aFontHeightInPixels)const{TBuf<100> fontName;CFont* fontToUse;TTypefaceSupport Typefa

//Symbian创建字体

CFont* CMyView::MyCreateFont(TInt aSystemFontIndex,TInt aFontHeightInPixels)const

{

TBuf<100> fontName;

CFont* fontToUse;

TTypefaceSupport TypefaceSupport ;

iCoeEnv->ScreenDevice()->TypefaceSupport( TypefaceSupport , aSystemFontIndex ) ;

fontName = TypefaceSupport.iTypeface.iName.Des();

//测试代码显示 fontName 的内容

//CAknInformationNote* informationNote = new ( ELeave ) CAknInformationNote ;

//informationNote->ExecuteLD( fontName );

//

//显示结果为: Sans MT UniT_HKSCS_S60

//

// 创建字体 FontHeightInPixels

MGraphicsDeviceMap *DeviceMap = iCoeEnv->ScreenDevice();

TFontSpec fontSpec(fontName, DeviceMap->VerticalPixelsToTwips(aFontHeightInPixels));

fontToUse = iCoeEnv->CreateScreenFontL(fontSpec);

return fontToUse;

}

//Symbian删除字体

void CMyView::MyReleaseFont(CFont* aFont)const

{

iCoeEnv->ScreenDevice()->ReleaseFont(aFont);

}

//Symbian使用字体

void CMyView::DrawSummary(CWindowGc& gc, const TRect& aRect )const

{

CFont *useFont = MyCreateFont();

gc.UseFont(useFont);

gc.DrawText(_L(“Helloworld!”),TPoint(0,useFont->FontMaxHeight()*1));

gc.DiscardFont();

MyReleaseFont(useFont);

}