自学教程：C++ GetFontSize函数代码示例

void CAbstractTextEdit::Render(){	CAbstractLabel::Render();		if(m_Composing)	{		int FontSize = GetFontSize();		vec4 FontColor = 1.0f;				CRect ComposingRect = CRect(			GetTextRect().x + GetTextRect().w,			GetTextRect().y,			TextRenderer()->GetTextWidth(&m_ComposingTextCache),			GetTextRect().h		);				const CAsset_GuiLabelStyle* pLabelStyle = AssetsManager()->GetAsset<CAsset_GuiLabelStyle>(CAssetPath::GuiLabelStyleSystem(GUILABELSTYLE_COMPOSING));		if(pLabelStyle)		{			FontSize = Context()->ApplyGuiScale(pLabelStyle->GetFontSize());			FontColor = pLabelStyle->m_TextColor;						CRect Rect = ComposingRect;			int Padding = Context()->ApplyGuiScale(pLabelStyle->GetPadding());			Rect.AddMargin(Padding);			ComposingRect.x += Padding;						AssetsRenderer()->DrawGuiRect(&ComposingRect, pLabelStyle->GetRectPath());		}		m_ComposingTextCache.SetFontSize(GetFontSize());		m_ComposingTextCache.SetBoxSize(ivec2(-1, ComposingRect.h));		TextRenderer()->DrawText(&m_ComposingTextCache, ivec2(ComposingRect.x, ComposingRect.y), FontColor);	}		// render the cursor			// cursor position	if(m_TextCursor.m_TextIter >= 0)	{		if((2*time_get()/time_freq()) % 2)		{			Graphics()->TextureClear();			Graphics()->LinesBegin();			Graphics()->SetColor(1.0f, 1.0f, 1.0f, 1.0f);						float x = m_TextCursor.m_Position.x + 0.5f;			float y0 = GetTextRect().y;			float y1 = GetTextRect().y + GetTextRect().h;			IGraphics::CLineItem Line(x, y0, x, y1);			Graphics()->LinesDraw(&Line, 1);						Graphics()->LinesEnd();		}	}}

nsFontSizeTextAttr::nsFontSizeTextAttr(nsIFrame *aRootFrame, nsIFrame *aFrame) :  nsTextAttr<nscoord>(aFrame == nsnull){  mDC = aRootFrame->PresContext()->DeviceContext();  mRootNativeValue = GetFontSize(aRootFrame);  mIsRootDefined = true;  if (aFrame) {    mNativeValue = GetFontSize(aFrame);    mIsDefined = true;  }}

void CButton::ConstructL()    {    #ifdef __DEBUG    __LOGSTR("Construct");    #endif    CActiveScheduler::Add(this);    iColor = KRgbRed;    iWs = RWsSession();    iFs.Connect();    iWs.Connect(iFs);    iWg = RWindowGroup(iWs);    iWg.Construct((TUint32)&iWg,EFalse);    iWg.SetOrdinalPosition(0,ECoeWinPriorityAlwaysAtFront);    iWg.EnableReceiptOfFocus(ETrue);    iWindow = RWindow(iWs);    iWindow.Construct(iWg,(TUint32)&iWg+1);    iWindow.Activate();    iWindow.SetNonFading(ETrue);    //    iWindow.SetBackgroundColor(KRgbBlack);    iScreen=new (ELeave) CWsScreenDevice(iWs);    User::LeaveIfError(iScreen->Construct());    User::LeaveIfError(iScreen->CreateContext(iGc));    GetFontSize();    iScreenSize.iY = iScreen->GetCurrentScreenModeAttributes().iScreenSize.iHeight;    iScreenSize.iX = iScreen->GetCurrentScreenModeAttributes().iScreenSize.iWidth;    iWindow.SetExtent(TPoint(0,iScreenSize.iY-60),TSize(iScreenSize.iX,60));    iWs.Flush();    Draw();    iWs.Flush();    }

  void UpdateFontSize()  {    int font_size = GetFontSize();    for (auto const& em : em_converters_)      em->SetFontSize(font_size);  }

// we don't use CreateFormatterArgsDoc() to not introduce dependency// on gGlobalPrefs in EngineDumpHtmlFormatterArgs *CreateFormatterArgsDoc2(Doc doc, int dx, int dy, PoolAllocator *textAllocator){    HtmlFormatterArgs *args = CreateFormatterArgsDoc(doc, dx, dy, textAllocator);    args->SetFontName(GetFontName());    args->fontSize = GetFontSize();    return args;}

int GuiTextEdit::CalcCursorPos(float mousex){  float startX = GetCombinedPos().x;  float sizeX = GetSize().x;  if (mousex < startX)  {    return m_first;  }  else if (mousex > startX + sizeX)  {    return m_last;  }  int pos = m_caret;  for (int i = m_first; i < m_last; i++)  {    float x = (GetFont()->GetTextWidth(m_text.substr(m_first, i - m_first)) *       GetFontSize() * m_scaleX) + startX;    if (x > mousex)    {      pos = std::max(0, i - 1);      // DON'T recalc m_first and m_last!      break;    }  }  return pos;}

void   LineEdit::Layout() {	Size sz = sb.GetReducedViewSize();	if(nohbar || isdrag)		sz.cy = GetSize().cy;	sb.SetPage(sz / GetFontSize());	SetHBar();}

////////////////////////////////////////////////////////////////////// Public functions//void CDrawField::Draw( int page, CDC* dc )/* ============================================================	Function :		CDrawField::Draw	Description :	Draws this object.	Access :		Public						Return :		void	Parameters :	int page	-	Current page					CDC* dc		-	CDC to draw to	Usage :			Called by the generator to draw the object.   ============================================================*/{	CString title = GetTitle();	CDoubleRect rect = GetPosition();	CUnitConversion::InchesToPixels( rect );	CRect r( static_cast< int >( rect.left ), static_cast< int >( rect.top ), static_cast< int >( rect.right ), static_cast< int >( rect.bottom ) );	CUnitConversion::AdjustPixelsToPaper( dc, r );	LOGFONT	lf;	ZeroMemory( &lf, sizeof( lf ) );	lstrcpy( lf.lfFaceName, GetFontName() );	lf.lfHeight = CUnitConversion::PointsToPixels( static_cast< double >( GetFontSize() ) / 10.0 );	lf.lfItalic = static_cast< BYTE >( GetFontItalic() );	lf.lfUnderline = static_cast< BYTE >( GetFontUnderline() );	lf.lfStrikeOut = static_cast< BYTE >( GetFontStrikeout() );	lf.lfCharSet = static_cast< BYTE >( GetFontCharset() );	if( GetFontBold() )		lf.lfWeight = FW_BOLD;	else		lf.lfWeight = FW_NORMAL;	if( IsBold( title ) )		lf.lfWeight = FW_BOLD;	if( IsItalic( title ) )		lf.lfItalic = TRUE;	CFont	font;	font.CreateFontIndirect( &lf );	dc->SelectObject( &font );	int color = dc->SetTextColor( GetFontColor() );	int mode = dc->SetBkMode( TRANSPARENT );	int justification = GetJustification();	ReplaceFields( page, title );	dc->DrawText( title, r, DT_NOPREFIX | DT_WORDBREAK | justification );	dc->SetBkMode( mode );	dc->SetTextColor( color );	dc->SelectStockObject( ANSI_VAR_FONT );}

  bool OBDepict::AddAtomLabels(AtomLabelType type)  {    d->painter->SetPenColor(OBColor("red"));    d->painter->SetFillColor(OBColor("red"));    d->painter->SetFontSize((int)(GetFontSize() * 0.8));// smaller text    OBAtomIterator i;    for (OBAtom *atom = d->mol->BeginAtom(i); atom; atom = d->mol->NextAtom(i)) {      vector3 pos(atom->GetVector());      std::stringstream ss;      switch (type) {        case AtomId:          ss << atom->GetId();          d->painter->DrawText(pos.x(), pos.y(), ss.str());          break;        case AtomSymmetryClass:          ss << GetAtomSymClass(atom);          d->painter->DrawText(pos.x(), pos.y(), ss.str());          break;        case AtomIndex:          ss << atom->GetIdx();          d->painter->DrawText(pos.x(), pos.y(), ss.str());          break;        default:          break;      }    }    return true;      }

void kGUIText::InsertRichInfo(int index,int num){	int i;	RICHINFO_DEF rid;	assert(index<=m_richinfosize,"Cannot insert past end of string");	/* if at beginning or end of string then use "current" info */	if(index==m_richinfosize || !index)	{		rid.fontid=GetFontID();		rid.fontsize=GetFontSize();		rid.bgcolor=m_bgcolor;		rid.fcolor=GetColor();	}	else		rid=*(GetRichInfoPtr(index-1));	m_richinfo.Alloc(m_richinfosize+num);	m_richinfo.InsertEntry(m_richinfosize,index,num);	for(i=0;i<num;++i)		m_richinfo.SetEntry(index+i,rid);	m_richinfosize+=num;	StringChanged();}

CFont* InformApp::GetFont(Fonts font){  CFont& theFont = m_fonts[font];  if ((HFONT)theFont == 0)    theFont.CreatePointFont(10*GetFontSize(font),GetFontName(font));  return &theFont;}

void LineEdit::RefreshChars(bool (*chars)(int c)){	RefreshDraw rw;	rw.ctrl = this;	rw.fsz = GetFontSize();	rw.chars = chars;	Paint(rw);}

void CPDF_VariableText::Initialize() {  if (!m_bInitial) {    CPVT_SectionInfo secinfo;    CPVT_WordPlace place;    place.nSecIndex = 0;    AddSection(place, secinfo);    CPVT_LineInfo lineinfo;    lineinfo.fLineAscent = GetFontAscent(GetDefaultFontIndex(), GetFontSize());    lineinfo.fLineDescent =        GetFontDescent(GetDefaultFontIndex(), GetFontSize());    AddLine(place, lineinfo);    if (CSection* pSection = m_SectionArray.GetAt(0))      pSection->ResetLinePlace();    m_bInitial = TRUE;  }}

void CMain::Opening(){	int oldfontsize = GetFontSize();		mrt::Opening();	SetFontSize(oldfontsize);	SetDrawBlendMode(DX_BLENDMODE_NOBLEND, 0);};

HtmlFormatterArgs *CreateFormatterArgsDoc(Doc doc, int dx, int dy, Allocator *textAllocator){    HtmlFormatterArgs *args = CreateFormatterDefaultArgs(dx, dy, textAllocator);    args->htmlStr = doc.GetHtmlData(args->htmlStrLen);    args->SetFontName(GetFontName());    args->fontSize = GetFontSize();    return args;}

void CMyServer::ConstructL()    {    __LOGSTR("Construct");    CActiveScheduler::Add(this);    iWs = RWsSession();    iFs.Connect();    iTextPlain = CPlainText::NewL();    ReadConf();    __LOGSTR("ReadConfComplete");	iOldName = _L("ClipboardChanged");    iWs.Connect(iFs);    iTaskList = new(ELeave) TApaTaskList(iWs);    iScreen = new(ELeave) CWsScreenDevice(iWs);    CleanupStack::PushL(iScreen);    iScreen->Construct();    CleanupStack::Pop(iScreen);    iChangeTrap = CChangeTrap::NewL();    iChangeTrap->SetObserver(this);    iTimer = CPTimer::NewL();    iTimer->SetObserver(this);    iCaller = CCaller::NewL();    iWg = RWindowGroup(iWs);    iWg.Construct((TUint32)&iWg,EFalse);    iWg.SetOrdinalPosition(0,ECoeWinPriorityAlwaysAtFront);    iWg.EnableReceiptOfFocus(EFalse);    iScreen->CreateContext(iGc);    iWindow = RWindow(iWs);    iWindow.Construct(iWg,(TUint32)&iWg+1);    iWindow.Activate();    iWindow.SetExtent(TPoint(0,0),TSize(1,1));    iWindow.SetRequiredDisplayMode(EColor16MA);	iWindow.SetOrdinalPosition(5555,ECoeWinPriorityAlwaysAtFront);    TRgb backgroundColour = KRgbBlack;    //if(KErrNone == iWindow.SetTransparencyAlphaChannel())   // 	{    //	backgroundColour.SetAlpha(0);    //	}    iWindow.SetBackgroundColor(backgroundColour);    GetFontSize();    iWindow.SetSize(iSize);    __LOGSTR2("iSize1: %d,iSize2: %d",iSize.iWidth,iSize.iHeight);    iPos=TPoint(iConfig.iX,iConfig.iY);	iWindow.SetVisible(EFalse);    iWs.Flush();    //Draw(iOldName);    }

FX_BOOL CPWL_Edit::OnMouseWheel(short zDelta,                                const CPDF_Point& point,                                FX_DWORD nFlag) {  if (HasFlag(PES_MULTILINE)) {    CPDF_Point ptScroll = GetScrollPos();    if (zDelta > 0) {      ptScroll.y += GetFontSize();    } else {      ptScroll.y -= GetFontSize();    }    SetScrollPos(ptScroll);    return TRUE;  }  return FALSE;}

void SQRWndOffSet::SetStep(INT32 time, FLOAT mStep){	this->mStep = mStep;	mSteptimer  = time;	mStepResult = static_cast<FLOAT>(-this->GetWndWidth());	mBeginTimer = static_cast<DWORD>(GetProcessTime());	mStepOver = strlen(this->GetWndText()) * GetFontSize()/2 * GetWndZoom(); }

FX_FLOAT CPDF_VariableText::GetWordFontSize(const CPVT_WordInfo& WordInfo,                                            FX_BOOL bFactFontSize) {  return m_bRichText && WordInfo.pWordProps             ? (WordInfo.pWordProps->nScriptType == ScriptType::Normal ||                        bFactFontSize                    ? WordInfo.pWordProps->fFontSize                    : WordInfo.pWordProps->fFontSize * VARIABLETEXT_HALF)             : GetFontSize();}

Rect LineEdit::DropCaret(){	if(IsNull(dropcaret))		return Rect(0, 0, 0, 0);	Size fsz = GetFontSize();	Point p = dropcaret - sb;	p = Point(p.x * fsz.cx, p.y * fsz.cy);	return RectC(p.x, p.y, 1, fsz.cy);}

bool CPWL_Edit::OnMouseWheel(short zDelta,                             const CFX_PointF& point,                             uint32_t nFlag) {  if (HasFlag(PES_MULTILINE)) {    CFX_PointF ptScroll = GetScrollPos();    if (zDelta > 0) {      ptScroll.y += GetFontSize();    } else {      ptScroll.y -= GetFontSize();    }    SetScrollPos(ptScroll);    return true;  }  return false;}

PRBoolnsFontSizeTextAttr::GetValueFor(nsIDOMElement *aElm, nscoord *aValue){  nsIFrame *frame = nsCoreUtils::GetFrameFor(aElm);  if (!frame)    return PR_FALSE;    *aValue = GetFontSize(frame);  return PR_TRUE;}

PRBoolnsFontSizeTextAttr::GetValueFor(nsIContent *aContent, nscoord *aValue){  nsIFrame *frame = aContent->GetPrimaryFrame();  if (!frame)    return PR_FALSE;    *aValue = GetFontSize(frame);  return PR_TRUE;}

FX_FLOAT CXFA_Font::GetLetterSpacing() {  CFX_WideStringC wsValue;  if (!m_pNode->TryCData(XFA_ATTRIBUTE_LetterSpacing, wsValue))    return 0;  CXFA_Measurement ms(wsValue);  if (ms.GetUnit() == XFA_UNIT_Em)    return ms.GetValue() * GetFontSize();  return ms.ToUnit(XFA_UNIT_Pt);}

boolnsFontSizeTextAttr::GetValueFor(nsIContent *aContent, nscoord *aValue){  nsIFrame *frame = aContent->GetPrimaryFrame();  if (!frame)    return false;    *aValue = GetFontSize(frame);  return true;}

void GuiTextEdit::GetFirstLast(int line, int* first, int* last){  *first = 0;  *last = m_text.size();  int caret = m_caret;  if (m_drawCaret)  {    caret++;  }  Vec2f size = GetSize();    switch (m_just)  {  case AMJU_JUST_LEFT:    while ((GetFont()->GetTextWidth(m_text.substr(*first, *last - *first)) *       GetFontSize() * m_scaleX) > size.x)    {      if (caret > *last)      {        (*last)++;      }      else if (caret == *last)      {        (*first)++;      }      else if (caret < *first)      {        (*first)--;      }      else      {        (*last)--;      }    }    if (*last > (int)m_text.size())    {      *last = m_text.size();    }    Assert(*last <= (int)m_text.size());    Assert(*first >= 0);    Assert(m_caret >= *first);    Assert(m_caret <= *last);    m_first = *first;    m_last = *last;    return;  default:    Assert(0);  }}