author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:39:40 +0100 | |
branch | RCL_3 |
changeset 55 | 336bee5c2d35 |
parent 0 | 1fb32624e06b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* MTmTextLayoutForwarder functions. |
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* |
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*/ |
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#include "TAGMA.H" |
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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#include "TAGMA_INTERNAL.H" |
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#endif |
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/** |
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Return the number of lines in the text. |
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*/ |
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EXPORT_C TInt MTmTextLayoutForwarder::Lines() const |
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{ |
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return TextLayout().Lines(); |
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} |
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/** |
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Return the number of paragraphs in the text. |
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*/ |
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EXPORT_C TInt MTmTextLayoutForwarder::Paragraphs() const |
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{ |
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return TextLayout().Paragraphs(); |
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} |
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/** |
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Return the displayed form of the text for a particular line. See CTmLayout::GetDisplayedText for details. |
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*/ |
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EXPORT_C TBool MTmTextLayoutForwarder::GetDisplayedText(TInt aLineNumber,TDes& aText,TInt& aNeeded) const |
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{ |
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return TextLayout().GetDisplayedText(aLineNumber,aText,aNeeded); |
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} |
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/** |
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Get the minimum size of the formatted text. See CTmTextLayout::GetMinimumLayoutSizeL for details. |
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*/ |
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EXPORT_C void MTmTextLayoutForwarder::GetMinimumLayoutSizeL(TInt aWrapWidth,TSize& aSize) const |
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{ |
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TextLayout().GetMinimumLayoutSizeL(aWrapWidth,aSize); |
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} |
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/** |
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Get the minimum size of the formatted text. See CTmTextLayout::GetMinimumLayoutSizeL for details. |
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*/ |
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EXPORT_C void MTmTextLayoutForwarder::GetMinimumLayoutSizeL(TInt aWrapWidth,TBool aAllowLegalLineBreaksOnly,TSize& aSize) const |
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{ |
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TextLayout().GetMinimumLayoutSizeL(aWrapWidth,aAllowLegalLineBreaksOnly,aSize); |
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} |
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/** |
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Return the first formatted character. |
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*/ |
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EXPORT_C TInt MTmTextLayoutForwarder::StartChar() const |
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{ |
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return TextLayout().StartChar(); |
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} |
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/** |
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Return the character after the last formatted character. |
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*/ |
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EXPORT_C TInt MTmTextLayoutForwarder::EndChar() const |
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{ |
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return TextLayout().EndChar(); |
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} |
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/** |
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Return the width in pixels of the formatted text, not including paragraph labels if present. |
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*/ |
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EXPORT_C TInt MTmTextLayoutForwarder::LayoutWidth() const |
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{ |
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return TextLayout().LayoutWidth(); |
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} |
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/** |
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Return the height in pixels of the formatted text. |
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*/ |
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EXPORT_C TInt MTmTextLayoutForwarder::LayoutHeight() const |
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{ |
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return TextLayout().LayoutHeight(); |
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} |
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EXPORT_C void MTmTextLayoutForwarder::DrawLayout(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect, |
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const TLogicalRgb* aDocBackground,TBool aDrawParBackground) const |
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{ |
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TPoint origin; |
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GetOrigin(origin); |
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TextLayout().DrawLayout(aGc,aTopLeft + origin,aClipRect,aDocBackground,aDrawParBackground); |
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} |
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EXPORT_C void MTmTextLayoutForwarder::DrawBackground(CGraphicsContext& aGc,const TPoint& aTopLeft, |
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const TRect& aClipRect,const TLogicalRgb& aBackground) const |
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108 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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TextLayout().DrawBackground(aGc,aTopLeft + origin,aClipRect,aBackground); |
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112 |
} |
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113 |
|
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EXPORT_C void MTmTextLayoutForwarder::InvertLayout(CGraphicsContext& aGc,const TPoint& aTopLeft, |
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TInt aStartDocPos,TInt aEndDocPos) |
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116 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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TextLayout().InvertLayout(aGc,aTopLeft + origin,aStartDocPos,aEndDocPos); |
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120 |
} |
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121 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::FindDocPos(const TTmDocPosSpec& aDocPos, |
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TTmPosInfo2& aPosInfo, TTmLineInfo& aLineInfo) const |
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124 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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TBool result = TextLayout().FindDocPos(aDocPos,aPosInfo,aLineInfo); |
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if (origin.iX || origin.iY) |
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129 |
{ |
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FixUpLineInfo(aLineInfo,&origin); |
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aPosInfo.iEdge += origin; |
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} |
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return result; |
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134 |
} |
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135 |
|
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/** @deprecated 7.0s */ |
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EXPORT_C TBool MTmTextLayoutForwarder::FindDocPos(const TTmDocPos& aDocPos,TTmPosInfo& aPosInfo, |
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TTmLineInfo& aLineInfo) const |
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{ |
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TTmDocPosSpec dp = aDocPos; |
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TTmPosInfo2 pi; |
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TBool r = FindDocPos(dp, pi, aLineInfo); |
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aPosInfo = pi; |
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return r; |
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} |
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146 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::FindXyPos(const TPoint& aXyPos, |
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TTmPosInfo2& aPosInfo,TTmLineInfo& aLineInfo) const |
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149 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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TBool result = TextLayout().FindXyPos(aXyPos - origin,aPosInfo,aLineInfo); |
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if (origin.iX || origin.iY) |
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{ |
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FixUpLineInfo(aLineInfo,&origin); |
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aPosInfo.iEdge += origin; |
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} |
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return result; |
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} |
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160 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::FindXyPosWithDisambiguation( |
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const TPoint& aXyPos, TTmPosInfo2& aPosLeft, TTmPosInfo2& aPosRight, |
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TTmLineInfo& aLineInfo) const |
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{ |
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TPoint origin; |
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GetOrigin(origin); |
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TBool result = TextLayout().FindXyPosWithDisambiguation(aXyPos - origin, |
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aPosLeft, aPosRight, aLineInfo); |
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if (origin.iX || origin.iY) |
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170 |
{ |
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FixUpLineInfo(aLineInfo, &origin); |
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aPosLeft.iEdge += origin; |
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aPosRight.iEdge += origin; |
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} |
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return result; |
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} |
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177 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::GetNextPosLeftWithDisambiguation( |
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const TTmDocPosSpec& aDocPos, |
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TTmPosInfo2& aPosLeft, TTmPosInfo2& aPosRight) const |
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181 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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TBool result = TextLayout().GetNextPosLeftWithDisambiguation(aDocPos, |
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aPosLeft, aPosRight); |
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if (origin.iX || origin.iY) |
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187 |
{ |
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aPosLeft.iEdge += origin; |
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aPosRight.iEdge += origin; |
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} |
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191 |
return result; |
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} |
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193 |
|
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194 |
EXPORT_C TBool MTmTextLayoutForwarder::GetNextPosRightWithDisambiguation( |
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const TTmDocPosSpec& aDocPos, |
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TTmPosInfo2& aPosLeft, TTmPosInfo2& aPosRight) const |
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197 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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TBool result = TextLayout().GetNextPosRightWithDisambiguation(aDocPos, |
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201 |
aPosLeft, aPosRight); |
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if (origin.iX || origin.iY) |
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203 |
{ |
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aPosLeft.iEdge += origin; |
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aPosRight.iEdge += origin; |
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206 |
} |
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207 |
return result; |
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208 |
} |
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|
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/** @deprecated 7.0s */ |
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EXPORT_C TBool MTmTextLayoutForwarder::FindXyPos(const TPoint& aXyPos,TTmPosInfo& aPosInfo,TTmLineInfo& aLineInfo) const |
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{ |
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TTmPosInfo2 pi; |
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TBool r = FindXyPos(aXyPos, pi, aLineInfo); |
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aPosInfo = pi; |
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return r; |
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} |
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EXPORT_C TBool MTmTextLayoutForwarder::DocPosToLine( |
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const TTmDocPosSpec& aDocPos, TTmLineInfo& aLineInfo) const |
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{ |
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TBool result = TextLayout().DocPosToLine(aDocPos,aLineInfo); |
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FixUpLineInfo(aLineInfo); |
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return result; |
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} |
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|
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/** @deprecated 7.0s */ |
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EXPORT_C TBool MTmTextLayoutForwarder::DocPosToLine(const TTmDocPos& aDocPos,TTmLineInfo& aLineInfo) const |
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{ |
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TTmDocPosSpec dp = aDocPos; |
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return DocPosToLine(dp, aLineInfo); |
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} |
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EXPORT_C TBool MTmTextLayoutForwarder::LineNumberToLine(TInt aLineNumber,TTmLineInfo& aLineInfo) const |
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{ |
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TBool result = TextLayout().LineNumberToLine(aLineNumber,aLineInfo); |
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FixUpLineInfo(aLineInfo); |
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return result; |
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} |
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EXPORT_C TBool MTmTextLayoutForwarder::ParNumberToLine(TInt aParNumber,TInt aLineInPar,TTmLineInfo& aLineInfo) const |
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{ |
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TBool result = TextLayout().ParNumberToLine(aParNumber,aLineInPar,aLineInfo); |
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FixUpLineInfo(aLineInfo); |
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return result; |
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} |
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247 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::YPosToLine(TInt aYPos,TTmLineInfo& aLineInfo) const |
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{ |
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TPoint origin; |
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GetOrigin(origin); |
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TBool result = TextLayout().YPosToLine(aYPos - origin.iY,aLineInfo); |
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if (origin.iX || origin.iY) |
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FixUpLineInfo(aLineInfo,&origin); |
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return result; |
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} |
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257 |
|
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EXPORT_C TInt MTmTextLayoutForwarder::WidthOfWidestLine(TInt aTop,TInt aBottom) const |
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{ |
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TPoint origin; |
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GetOrigin(origin); |
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aTop -= origin.iY; |
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aBottom -= origin.iY; |
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return TextLayout().WidthOfWidestLine(aTop,aBottom); |
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} |
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|
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EXPORT_C void MTmTextLayoutForwarder::HorizontalExtremes( |
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TInt &aLeft, TInt &aRight, TInt aTopY, TInt aBottomY) const |
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{ |
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TPoint origin; |
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GetOrigin(origin); |
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aTopY -= origin.iY; |
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aBottomY -= origin.iY; |
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TextLayout().HorizontalExtremes(aLeft, aRight, aTopY, aBottomY); |
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if (aLeft != KMaxTInt) |
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aLeft += origin.iX; |
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if (aRight != KMinTInt) |
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aRight += origin.iX; |
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} |
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280 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::GetNextVisualCursorPos( |
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const TTmDocPosSpec& aDocPos, TTmPosInfo2& aInfo, TBool aToLeft) const |
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{ |
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TBool result = TextLayout().GetNextVisualCursorPos(aDocPos,aInfo,aToLeft); |
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TPoint origin; |
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GetOrigin(origin); |
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aInfo.iEdge += origin; |
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return result; |
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} |
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|
290 |
|
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291 |
/** deprecated 7.0s */ |
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EXPORT_C TBool MTmTextLayoutForwarder::GetNextVisualCursorPos(const TTmDocPos& aDocPos,TTmPosInfo& aInfo, |
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TBool aToLeft) const |
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{ |
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TBool result = TextLayout().GetNextVisualCursorPos(aDocPos,aInfo,aToLeft); |
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TPoint origin; |
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GetOrigin(origin); |
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aInfo.iEdge += origin; |
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return result; |
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} |
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301 |
|
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EXPORT_C TBool MTmTextLayoutForwarder::GetCursor(const TTmDocPosSpec& aDocPos, |
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TTmCursorPlacement aPlacement, TTmLineInfo& aLineInfo, TPoint& aOrigin, |
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TInt& aWidth, TInt& aAscent, TInt& aDescent) const |
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305 |
{ |
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TBool result = TextLayout().GetCursor(aDocPos, aPlacement, aLineInfo, |
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aOrigin, aWidth, aAscent, aDescent); |
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if (result) |
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309 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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if (origin.iX || origin.iY) |
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313 |
{ |
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aOrigin += origin; |
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FixUpLineInfo(aLineInfo,&origin); |
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316 |
} |
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} |
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return result; |
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} |
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320 |
|
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321 |
/** @deprecated 7.0s */ |
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EXPORT_C TBool MTmTextLayoutForwarder::GetCursor(const TTmDocPos& aDocPos,TTmCursorPlacement aPlacement, |
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TTmLineInfo& aLineInfo,TPoint& aOrigin,TInt& aWidth,TInt& aAscent,TInt& aDescent) const |
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{ |
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TBool result = TextLayout().GetCursor(aDocPos,aPlacement,aLineInfo,aOrigin,aWidth,aAscent,aDescent); |
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if (result) |
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327 |
{ |
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TPoint origin; |
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GetOrigin(origin); |
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if (origin.iX || origin.iY) |
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331 |
{ |
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aOrigin += origin; |
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333 |
FixUpLineInfo(aLineInfo,&origin); |
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334 |
} |
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} |
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return result; |
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} |
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|
338 |
|
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void MTmTextLayoutForwarder::FixUpLineInfo(TTmLineInfo& aInfo,const TPoint* aOrigin) const |
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{ |
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TPoint origin; |
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if (aOrigin) |
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origin = *aOrigin; |
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else |
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GetOrigin(origin); |
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if (origin.iX || origin.iY) |
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347 |
{ |
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aInfo.iInnerRect.Move(origin); |
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aInfo.iOuterRect.Move(origin); |
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aInfo.iBaseline += origin.iY; |
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aInfo.iParTop += origin.iY; |
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352 |
} |
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353 |
} |
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|
354 |
|
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355 |
EXPORT_C void MTmTextLayoutForwarder::GetOrigin(TPoint& aPoint) const |
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356 |
{ |
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aPoint.iX = aPoint.iY = 0; |
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} |