author | hgs |
Mon, 12 Jul 2010 14:38:26 +0800 | |
changeset 45 | 662fa7de7023 |
parent 0 | 1fb32624e06b |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 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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* |
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*/ |
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|
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|
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#ifndef TAGMA_LAYOUT_AND_SOURCE_H |
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#define TAGMA_LAYOUT_AND_SOURCE_H |
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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#include <tagma.h> |
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#endif |
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class CTmBufSeg; |
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class CTmCode; |
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class TTmTab; |
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class TTmBullet; |
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class TTmParBorder; |
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class TTmReformatParam; |
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class TTmReformatResult; |
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/** |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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Paragraph format; all dimensions are in twips unless otherwise specified. |
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@internalComponent |
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*/ |
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class RTmParFormat |
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{ |
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public: |
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/** Index used to select one of the four borders of a paragraph */ |
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enum TBorderIndex |
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{ |
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ETopBorder = 0, |
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EBottomBorder = 1, |
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ELeadingBorder = 2, |
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ETrailingBorder = 3, |
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}; |
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/** Bit assignments for RTmParFormat::iFlags. */ |
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enum |
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{ |
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/** Base direction of paragraph is right-to-left (as for Arabic) */ |
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ERightToLeft = 1, |
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/** Do not allow paragraph to straddle page boundaries. */ |
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EKeepTogether = 2, |
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/** Put this paragraph on the same page as the next. */ |
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EKeepWithNext = 4, |
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/** Put this paragraph at the start of a new page. */ |
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EStartNewPage = 8, |
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/** Suppress widows and orphans. */ |
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EWidowOrphan = 16, |
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/** Suppresses line breaking. */ |
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ENoWrap = 32, |
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/** Force line spacing distance to be respected even on lines that are |
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* taller than the specified height. */ |
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EExactLineSpacing = 64, |
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/** Line spaceing is in pixels, not twips. */ |
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EPixelLineSpacing = 128, |
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/** Work out paragraph directionality from the text. */ |
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EDirectionalityFromText = 256 |
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}; |
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|
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/** Paragraph alignment */ |
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enum TAlignment |
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{ |
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EAlignNormalBidirectional, |
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EAlignNormal = EAlignNormalBidirectional, /** @deprecated in 7.0s */ |
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EAlignCenter, |
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EAlignReverseBidirectional, |
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EAlignReverse = EAlignReverseBidirectional, /** @deprecated in 7.0s */ |
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EAlignJustify, |
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EAlignAbsoluteLeft, |
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EAlignAbsoluteRight |
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}; |
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|
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IMPORT_C RTmParFormat(); |
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IMPORT_C void Close(); |
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#ifdef _DEBUG |
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inline ~RTmParFormat(); |
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#endif |
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IMPORT_C void CopyL(const RTmParFormat& aFormat); |
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IMPORT_C void CopyL(const CParaFormat& aFormat); |
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IMPORT_C void GetCParaFormatL(CParaFormat& aFormat) const; |
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IMPORT_C TBool operator==(const RTmParFormat& aFormat) const; |
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inline TBool operator!=(const RTmParFormat& aFormat) const; |
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IMPORT_C TInt Tabs() const; |
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inline const TTmTab& Tab(TInt aIndex) const; |
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inline const TTmBullet* Bullet() const; |
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inline const TTmParBorder* Border(TBorderIndex aIndex) const; |
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IMPORT_C TBool HaveBorders() const; |
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inline TBool RightToLeft() const; |
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105 |
|
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TAlignment iAlignment; |
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TUint iFlags; // bit flags as defined above |
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TInt iLeadingMargin; // left margin, or right if right-to-left |
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TInt iTrailingMargin; // right margin, or left if right-to-left |
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TInt iFirstLineIndent; // added to first line leading margin |
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TInt iLineSpacing; // distance between baselines |
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TInt iSpaceAbove; // space above the paragraph |
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TInt iSpaceBelow; // space below the paragraph |
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TInt iTabSize; // default size of tabs |
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TInt iBorderMargin; // distance between the text and the border if any |
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TLogicalRgb iBackgroundColor; // paragraph background colour |
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117 |
|
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118 |
private: |
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RTmParFormat(const RTmParFormat& aFormat); // deliberately unimplemented |
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void operator=(const RTmParFormat& aFormat);// deliberately unimplemented |
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121 |
|
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RArray<TTmTab>* iTabList; // custom tabs if any |
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TTmBullet* iBullet; // bullet if any |
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TTmParBorder* iBorder[4]; // borders if any |
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125 |
}; |
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126 |
|
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/** |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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MTmSource is an interface class that must be implemented by users of |
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CTmTextLayout to provide text content and attributes. MTmSource is derived from |
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MTmCustom, which contains the functions to customise the layout and display, so |
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that this can be done in CTmText without affecting the content. |
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133 |
@internalComponent |
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134 |
*/ |
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class MTmSource: public MTmCustom |
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136 |
|
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137 |
{ |
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138 |
public: |
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139 |
/** Label type used in LabelModeSelect */ |
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enum TLabelType |
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141 |
{ |
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/** Not a label; used for TLabelTypes not yet assigned. */ |
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ENoLabel, |
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144 |
|
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/** Paragraph label of the type supported by FORM. */ |
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EParLabel |
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}; |
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148 |
|
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149 |
enum |
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150 |
{ |
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151 |
/** |
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The maximum number of characters supplied to GetLineBreak, after aMaxBreakPos, |
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and after trailing whitespace, to provide context for line breaking decisions. |
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154 |
*/ |
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ELineBreakContext = 32 |
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156 |
}; |
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157 |
|
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// pure virtuals |
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159 |
|
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/** Return the device used to format the text. */ |
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virtual MGraphicsDeviceMap& FormatDevice() const = 0; |
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162 |
|
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/** |
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Return the device used to draw the text and when converting between x-y coordinates and document positions. |
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If the formatting and interpreting devices are different, text is scaled appropriately when it is drawn; |
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this allows text to be formatted for printer fonts and displayed on the screen, giving a wysiwyg print preview. |
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167 |
*/ |
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virtual MGraphicsDeviceMap& InterpretDevice() const = 0; |
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169 |
|
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/** Return the length of the document in characters. */ |
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virtual TInt DocumentLength() const = 0; |
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172 |
|
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173 |
/** |
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Return at least one character of text, but preferably as many as possible, starting at aPos. Put its character |
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format in aFormat. The text must be a run of characters sharing the same character format. |
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176 |
*/ |
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virtual void GetText(TInt aPos,TPtrC& aText,TTmCharFormat& aFormat) const = 0; |
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178 |
|
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179 |
/** |
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Return the paragraph format of the paragraph containing aPos. End-of-paragraph characters belong to the preceding |
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181 |
paragraph. |
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182 |
*/ |
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virtual void GetParagraphFormatL(TInt aPos,RTmParFormat& aFormat) const = 0; |
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184 |
|
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185 |
/** |
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Return the document position of the start of the paragraph containing aPos. End-of-paragraph characters belong to |
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the preceding paragraph. |
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188 |
*/ |
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virtual TInt ParagraphStart(TInt aPos) const = 0; |
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190 |
|
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191 |
// ordinary virtuals |
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IMPORT_C virtual CPicture* PictureL(TInt aPos) const; |
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IMPORT_C virtual TInt GetPictureSizeInTwipsL(TInt aPos,TSize& aSize) const; |
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IMPORT_C virtual TAny* GetExtendedInterface(const TUid& aInterfaceId); |
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IMPORT_C virtual void MTmSource_Reserved_1(); |
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IMPORT_C virtual void MTmSource_Reserved_2(); |
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IMPORT_C virtual TBool PageBreakInRange(TInt aStartPos,TInt aEndPos) const; |
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198 |
|
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// non-virtuals |
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IMPORT_C TInt ParagraphEnd(TInt aPos) const; |
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201 |
IMPORT_C TBool GetLineBreakL(const TDesC& aText,TInt aDocPos,TInt aMinBreakPos,TInt aMaxBreakPos,TBool aForwards, |
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TInt& aBreakPos,TInt& aHangingChars,TInt& aBreakPosAfterSpaces) const; |
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IMPORT_C static void GetStandardLineBreak(const TDesC& aText,TInt aMinBreakPos,TInt aMaxBreakPos, |
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TInt& aBreakPos,TInt& aNextLineStart); |
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205 |
}; |
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206 |
|
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207 |
/** |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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@internalTechnology |
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*/ |
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class CTmCode: public CBase |
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{ |
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public: |
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inline ~CTmCode(); |
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void InsertByteL(TUint8 aByte,TInt aPos); |
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TInt InsertNumberL(TInt aNumber,TInt aPos); |
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TInt InsertRectL(const TRect& aRect,TInt aPos); |
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void AppendByteL(TUint8 aByte); |
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TInt AppendNumberL(TInt aNumber); |
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TInt AppendRectL(const TRect& aRect); |
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void ChangeL(TInt aStart,TInt aEnd,CTmCode& aNewCode); |
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TInt MemoryUsed() const; |
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TInt Size() const; |
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void Delete(TInt aPos,TInt aLength); |
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void Reset(); |
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inline TPtr8 Ptr(TInt aPos); |
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void CreateBufferL(); |
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inline CBufBase* Buffer(); |
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inline const CBufBase* Buffer() const; |
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|
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private: |
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enum |
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{ |
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EExpandSize = 512 |
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}; |
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TInt WriteNumber(TInt aNumber,TUint8* aBuffer); |
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|
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CTmBufSeg* iBuffer; |
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}; |
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|
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/** |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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Formatting parameters used when formatting part of a layout object. |
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@internalComponent |
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*/ |
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class TTmFormatParamBase |
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|
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{ |
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249 |
public: |
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enum |
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251 |
{ |
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EWrap = 1, // wrap the text at iWrapWidth |
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EAtLeastMaxHeight = 2, // stop adding text only when iMaxHeight has been reached or exceeded |
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ETruncateWithEllipsis = 4, // truncate any text that sticks out; see iEllipsis below |
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ELegalLineBreaksOnly = 8 // break only at allowed line breaks, even if that |
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// results in the text not fitting the measure |
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}; |
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258 |
|
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IMPORT_C TTmFormatParamBase(); |
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inline TBool IsWrapping() const; |
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inline TBool IsTruncatingWithEllipsis() const; |
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inline TBool LegalLineBreaksOnly() const; |
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|
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TInt iWrapWidth; // wrapping width of the text including margins and indents, if wrapping is on |
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TInt iMaxHeight; // maximum height of the text |
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TInt iMaxLines; // maximum number of lines to be formatted |
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TInt iFlags; // flags defined above |
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TChar iEllipsis; // if truncating and not 0xFFFF, insert this ellipsis char (defaults to '...'). |
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|
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}; |
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|
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/** |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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Formatting parameters used when formatting an entire layout object or |
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creating a section of format code. |
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@internalComponent |
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*/ |
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class TTmFormatParam: public TTmFormatParamBase |
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|
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{ |
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public: |
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IMPORT_C TTmFormatParam(); |
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IMPORT_C TTmFormatParam(const TTmFormatParamBase& aBase); |
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|
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TInt iStartChar; // first character position to be formatted |
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TInt iEndChar; // last character position to be formatted |
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TInt iLineInPar; // starting line number in the paragraph |
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}; |
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289 |
|
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/** |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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The text layout for a single rectangular piece of text. The object does not own its text or format attributes but |
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gets them from an interface class called MTmSource. |
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294 |
|
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There are functions for setting the text, drawing it, and converting between x-y coordinates and document positions. |
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|
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Ranges |
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298 |
|
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All ranges of character positions and pixels include the start but not the end. This means that if a line is described |
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by a TTmLineInfo object as starting at document position 345 and ending at 389, character positions 345 to 388 are in |
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the line; 389 is in the next line if any. |
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302 |
|
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Coordinates and units |
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304 |
|
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All coordinates used in TAGMA classes and function arguments are in pixels and are relative to the origin of the object, |
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which is the top left corner of the ordinary text, not including paragraph labels. Vertical coordinates increase from |
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top to bottom. |
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308 |
|
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Document format and positions |
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|
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A TAGMA document, as supplied by the MTmSource interface, has a length as returned by MTmSource::DocumentLength of |
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zero or more characters. It consists of Unicode text split into paragraphs by standard Unicode paragraph delimiters |
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313 |
(character value 0x2029), so the number of paragraphs in the entire document is one more than the number of |
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314 |
paragraph delimiters. A document position is a value in the range 0 to one more than the document length. |
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315 |
Lines contain all document positions from their start to one less than their end position. These conventions allow |
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316 |
all lines to end in a delimiter; the last line contains an imaginary paragraph end, which need not be supplied by |
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317 |
the MTmSource interface, at a position equal to the document length. A CTmTextLayout object formatted for an |
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318 |
empty document will thus have a start position (returned by StartChar) of 0 and an end position |
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319 |
(returned by EndChar) of 1. |
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320 |
@internalComponent |
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WARNING: this Class is for internal use ONLY. Compatibility is not guaranteed in future releases. |
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322 |
*/ |
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class CTmTextLayout: public CBase |
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324 |
|
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325 |
{ |
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326 |
public: |
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327 |
|
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class TTmChunkDescription |
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/** |
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Output from FindAdjacentChunks. Describes a chunk of text that is of a |
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constant format and directionality. |
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332 |
@internalComponent |
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333 |
*/ |
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334 |
{ |
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335 |
public: |
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336 |
/** Position of the first character in the chunk. A negative number |
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indicates "no such chunk". */ |
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TInt iStart; |
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/** One past the position of the last character in the chunk. */ |
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TInt iEnd; |
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/** ETrue if the chunk is displayed right-to-left. */ |
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342 |
TBool iRightToLeft; |
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343 |
}; |
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344 |
|
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345 |
IMPORT_C CTmTextLayout(); |
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IMPORT_C ~CTmTextLayout(); |
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IMPORT_C void SetTextL(MTmSource& aSource,const TTmFormatParam& aParam); |
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IMPORT_C void FormatL(const TTmFormatParamBase& aParam,const TTmReformatParam& aReformatParam, |
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TTmReformatResult& TTmReformatResult); |
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IMPORT_C TBool AddParL(const TTmFormatParamBase& aParam,TBool aAtStart,TInt& aHeightIncrease,TInt& aParagraphsIncrease); |
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IMPORT_C TBool DeletePar(const TTmFormatParamBase& aParam,TBool aAtStart,TInt aMaxDeletedHeight,TInt& aHeightDecrease); |
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IMPORT_C void Clear(); |
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353 |
IMPORT_C void DrawLayout(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect, |
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const TLogicalRgb* aDocBackground,TBool aDrawParBackground) const; |
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IMPORT_C void DrawBackground(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect, |
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const TLogicalRgb& aBackground) const; |
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IMPORT_C void InvertLayout(CGraphicsContext& aGc, const TPoint& aTopLeft, |
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TInt aStartDocPos, TInt aEndDocPos) const; |
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IMPORT_C void HighlightSection(CGraphicsContext& aGc, const TPoint& aTopLeft, |
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TInt aStartDocPos, TInt aEndDocPos, const TRect& aClipRect) const; |
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IMPORT_C void DrawSection(CGraphicsContext& aGc, const TPoint& aTopLeft, |
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TInt aStartDocPos, TInt aEndDocPos, const TRect& aClipRect) const; |
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/* this function is some what used by partner already */ |
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364 |
IMPORT_C void HighlightSection(CGraphicsContext& aGc, const TPoint& aTopLeft, |
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TInt aStartDocPos, TInt aEndDocPos, const TRect& aClipRect, const TTmHighlightExtensions& aHighlightExtensions, |
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TInt aHighlightStartDocPos, TInt aHighlightEndDocPos) const; |
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/* this function is some what used by partner already */ |
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368 |
IMPORT_C void InvertLayout(CGraphicsContext& aGc, |
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const TPoint& aTopLeft, TInt aStartDocPos,TInt aEndDocPos, const TTmHighlightExtensions& aHighlightExtensions, |
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|
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TInt aHighlightStartDocPos, TInt aHighlightEndDocPos) const; |
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|
371 |
/* this function is some what used by partner already */ |
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|
372 |
IMPORT_C void DrawSection(CGraphicsContext& aGc, const TPoint& aTopLeft, |
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373 |
TInt aStartDocPos, TInt aEndDocPos, const TRect& aClipRect, const TTmHighlightExtensions& aHighlightExtensions, |
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|
374 |
TInt aHighlightStartDocPos, TInt aHighlightEndDocPos) const; |
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IMPORT_C TBool FindDocPos(const TTmDocPosSpec& aDocPos,TTmPosInfo2& aPosInfo,TTmLineInfo& aLineInfo) const; |
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IMPORT_C TBool FindXyPos(const TPoint& aXyPos,TTmPosInfo2& aPosInfo,TTmLineInfo& aLineInfo) const; |
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377 |
IMPORT_C TBool FindXyPosWithDisambiguation(const TPoint& aXyPos, |
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|
378 |
TTmPosInfo2& aPosLeft, TTmPosInfo2& aPosRight, |
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379 |
TTmLineInfo& aLineInfo) const; |
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380 |
IMPORT_C TInt FindNextPos(TInt aStart) const; |
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381 |
IMPORT_C TInt FindPreviousPos(TInt aStart) const; |
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382 |
IMPORT_C TInt Lines() const; |
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383 |
IMPORT_C TInt Paragraphs() const; |
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384 |
IMPORT_C TBool DocPosToLine(const TTmDocPosSpec& aDocPos,TTmLineInfo& aLineInfo) const; |
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385 |
IMPORT_C TBool LineNumberToLine(TInt aLineNumber,TTmLineInfo& aLineInfo) const; |
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|
386 |
IMPORT_C TBool ParNumberToLine(TInt aParNumber,TInt aLineInPar,TTmLineInfo& aLineInfo) const; |
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387 |
IMPORT_C TBool YPosToLine(TInt aYPos,TTmLineInfo& aLineInfo) const; |
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|
388 |
IMPORT_C TBool GetDisplayedTextL(TInt aLineNumber,TDes& aText,TInt& aNeeded) const; |
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|
389 |
IMPORT_C void GetMinimumLayoutSizeL(TInt aWrapWidth,TSize& aSize) const; |
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390 |
IMPORT_C void GetMinimumLayoutSizeL(TInt aWrapWidth,TBool aAllowLegalLineBreaksOnly,TSize& aSize) const; |
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|
391 |
IMPORT_C TInt WidthOfWidestLine(TInt aTop = 0,TInt aBottom = KMaxTInt) const; |
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392 |
IMPORT_C void HorizontalExtremes(TInt &aLeft, TInt &aRight, |
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|
393 |
TInt aTopY = 0, TInt aBottomY = KMaxTInt) const; |
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Revision: 201003
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|
394 |
IMPORT_C TBool GetNextVisualCursorPos(const TTmDocPosSpec& aDocPos,TTmPosInfo2& aInfo,TBool aToLeft) const; |
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Revision: 201003
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|
395 |
IMPORT_C TBool GetNextPosLeftWithDisambiguation(const TTmDocPosSpec& aDocPos, |
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|
396 |
TTmPosInfo2& aPosLeft, TTmPosInfo2& aPosRight) const; |
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|
397 |
IMPORT_C TBool GetNextPosRightWithDisambiguation(const TTmDocPosSpec& aDocPos, |
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|
398 |
TTmPosInfo2& aPosLeft, TTmPosInfo2& aPosRight) const; |
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|
399 |
IMPORT_C TBool LineExtreme(const TTmDocPosSpec& aPos, TBool aToRight, |
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|
400 |
TTmDocPos& aExtreme) const; |
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|
401 |
IMPORT_C TBool FindAdjacentChunks(const TTmDocPosSpec& aPos, |
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|
402 |
TTmChunkDescription& aLeft, TTmChunkDescription& aRight) const; |
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Revision: 201003
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|
403 |
IMPORT_C TBool GetCursor(const TTmDocPosSpec& aDocPos,TTmCursorPlacement aPlacement, |
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|
404 |
TTmLineInfo& aLineInfo,TPoint& aOrigin,TInt& aWidth,TInt& aAscent,TInt& aDescent) const; |
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|
405 |
IMPORT_C TInt MemoryUsed() const; |
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|
406 |
inline TInt StartChar() const; |
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Revision: 201003
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|
407 |
inline TInt EndChar() const; |
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Revision: 201003
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|
408 |
inline TInt LayoutWidth() const; |
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Revision: 201003
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|
409 |
inline TInt LayoutHeight() const; |
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|
410 |
inline MTmSource* Source(); |
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|
411 |
inline const MTmSource* Source() const; |
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Revision: 201003
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|
412 |
inline const CTmCode& Code() const; |
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Revision: 201003
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|
413 |
IMPORT_C void MakeVisible(TBool aVisible); |
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Revision: 201003
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|
414 |
TInt GetDrawingInterpFlags() const; |
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Revision: 201003
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|
415 |
IMPORT_C void DeleteFormattingFromEndL( |
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Revision: 201003
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|
416 |
const TTmFormatParamBase& aParam, TInt aMaxDeletedHeight, TInt& aHeightDecrease); |
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|
417 |
IMPORT_C void ExtendFormattingDownwardsL(TTmFormatParam& aParam); |
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|
418 |
|
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Revision: 201003
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|
419 |
// deprecated functions |
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Revision: 201003
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|
420 |
// deprecated 7.0 |
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Revision: 201003
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|
421 |
IMPORT_C TBool GetDisplayedText(TInt aLineNumber,TDes& aText,TInt& aNeeded) const; |
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Revision: 201003
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|
422 |
// deprecated 7.0s |
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|
423 |
IMPORT_C TBool FindDocPos(const TTmDocPos& aDocPos,TTmPosInfo& aPosInfo,TTmLineInfo& aLineInfo) const; |
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|
424 |
// deprecated 7.0s |
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Revision: 201003
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|
425 |
IMPORT_C TBool FindXyPos(const TPoint& aXyPos,TTmPosInfo& aPosInfo,TTmLineInfo& aLineInfo) const; |
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Revision: 201003
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|
426 |
// deprecated 7.0s |
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Revision: 201003
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|
427 |
IMPORT_C TBool GetNextVisualCursorPos(const TTmDocPos& aDocPos,TTmPosInfo& aInfo,TBool aToLeft) const; |
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Revision: 201003
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|
428 |
// deprecated 7.0s |
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Revision: 201003
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|
429 |
IMPORT_C TBool DocPosToLine(const TTmDocPos& aDocPos,TTmLineInfo& aLineInfo) const; |
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Revision: 201003
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|
430 |
// deprecated 7.0s |
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Revision: 201003
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|
431 |
IMPORT_C TBool GetCursor(const TTmDocPos& aDocPos, |
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Revision: 201003
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|
432 |
TTmCursorPlacement aPlacement, TTmLineInfo& aLineInfo, |
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Revision: 201003
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|
433 |
TPoint& aOrigin, TInt& aWidth, TInt& aAscent, TInt& aDescent) const; |
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|
434 |
|
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Revision: 201003
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|
435 |
IMPORT_C void DrawLayout(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect, |
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|
436 |
const TLogicalRgb* aDocBackground,TBool aDrawParBackground, |
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Revision: 201003
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|
437 |
const TCursorSelection* aHighlight, |
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Revision: 201003
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|
438 |
const TTmHighlightExtensions* aHighlightExtensions) const; |
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Revision: 201003
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|
439 |
IMPORT_C void GetUpdateBoundingRect(TInt aStartDocPos, TInt aEndDocPos, const TPoint& aTopLeft, |
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Revision: 201003
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|
440 |
TRect& aBoundingRect) const; |
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Revision: 201003
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|
441 |
|
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Revision: 201003
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|
442 |
IMPORT_C TBool FindDocPos(const TTmDocPosSpec& aDocPos,TTmPosInfo2& aPosInfo,TTmLineInfo& aLineInfo, TInt& aSubscript) const; |
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Revision: 201003
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|
443 |
void SetCurrentContextChar(TUint aContextChar); |
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Revision: 201003
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|
444 |
TUint GetCurrentContextChar() const; |
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Revision: 201003
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|
445 |
private: |
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Revision: 201003
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|
446 |
TBool LastLine(TTmLineInfo& aLine); |
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Revision: 201003
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|
447 |
#ifdef _DEBUG |
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|
448 |
void Invariant() const; |
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Revision: 201003
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|
449 |
#else |
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Revision: 201003
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|
450 |
void Invariant() const { } |
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Revision: 201003
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|
451 |
#endif |
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Revision: 201003
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|
452 |
void AdjustWidth(const TTmFormatParamBase& aParam,TInt aWidthOfNewText); |
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Revision: 201003
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|
453 |
|
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Revision: 201003
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|
454 |
MTmSource* iSource; // source of text and text attributes; not owned |
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Revision: 201003
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|
455 |
CTmCode iCode; // the layout bytecode |
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Revision: 201003
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|
456 |
TInt iWidth; // width in pixels |
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Revision: 201003
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|
457 |
TInt iHeight; // height in pixels |
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Revision: 201003
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|
458 |
TInt iStartChar; // start character position in the document |
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Revision: 201003
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|
459 |
TInt iEndChar; // end character position in the document |
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Revision: 201003
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|
460 |
TBidirectionalContext* iBdStateAtEnd; //bidirectional state at end of formatted range |
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Revision: 201003
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|
461 |
TInt iDrawingInterpFlags; // flags destined for the RTmDrawingInterpreter object |
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Revision: 201003
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diff
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|
462 |
// please try to avoid removing or adding any new members to this class. although it |
1fb32624e06b
Revision: 201003
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|
463 |
// is internal, it is included by value in CTextLayout which is published. therefore |
1fb32624e06b
Revision: 201003
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diff
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|
464 |
// a size change in this class would mean a size change in CTextLayout and a BC break. |
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Revision: 201003
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diff
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|
465 |
// if adding or removing members is unavoidable, please remember to update the dummy |
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Revision: 201003
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|
466 |
// member in CTextLayout accordingly. |
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Revision: 201003
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parents:
diff
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|
467 |
TUint iCurrentContextChar; // One character of context that is stored here between formatting on lines. |
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Revision: 201003
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diff
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|
468 |
// At the end of the formatting of a line, the context for that line is stored |
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Revision: 201003
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|
469 |
// here and taken by the next line to be formatted. The first chunk of the new line |
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Revision: 201003
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diff
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|
470 |
// takes this context from the line, and then all subsequent chunks take their context |
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Revision: 201003
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|
471 |
// from the previous chunk. |
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Revision: 201003
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|
472 |
}; |
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Revision: 201003
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|
473 |
|
1fb32624e06b
Revision: 201003
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diff
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|
474 |
|
1fb32624e06b
Revision: 201003
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|
475 |
//inline functions |
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Revision: 201003
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|
476 |
|
1fb32624e06b
Revision: 201003
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|
477 |
#ifdef _DEBUG |
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Revision: 201003
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|
478 |
RTmParFormat::~RTmParFormat() |
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Revision: 201003
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|
479 |
{ |
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Revision: 201003
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|
480 |
__ASSERT_DEBUG(!iTabList && !iBullet && !HaveBorders(), User::Invariant()); |
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Revision: 201003
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|
481 |
} |
1fb32624e06b
Revision: 201003
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|
482 |
#endif |
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Revision: 201003
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|
483 |
|
1fb32624e06b
Revision: 201003
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diff
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|
484 |
/** The inequality operator. Returns true if this object and aFormat differ in |
1fb32624e06b
Revision: 201003
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|
485 |
any way. |
1fb32624e06b
Revision: 201003
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diff
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|
486 |
*/ |
1fb32624e06b
Revision: 201003
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diff
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|
487 |
TBool RTmParFormat::operator!=(const RTmParFormat& aFormat) const |
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Revision: 201003
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diff
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|
488 |
{ |
1fb32624e06b
Revision: 201003
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|
489 |
return !operator==(aFormat); |
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Revision: 201003
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|
490 |
} |
1fb32624e06b
Revision: 201003
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parents:
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|
491 |
|
1fb32624e06b
Revision: 201003
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|
492 |
/** Returns a reference to the tab selected by aIndex. */ |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
493 |
const TTmTab& RTmParFormat::Tab(TInt aIndex) const |
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Revision: 201003
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diff
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|
494 |
{ |
1fb32624e06b
Revision: 201003
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|
495 |
return (*iTabList)[aIndex]; |
1fb32624e06b
Revision: 201003
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diff
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|
496 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
497 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
498 |
/** Returns a pointer to the TTmBullet object if any. Returns null if the |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
499 |
RTmParFormat does not contain a TTmBullet. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
500 |
const TTmBullet* RTmParFormat::Bullet() const |
1fb32624e06b
Revision: 201003
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diff
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|
501 |
{ |
1fb32624e06b
Revision: 201003
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parents:
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|
502 |
return iBullet; |
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Revision: 201003
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diff
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|
503 |
} |
1fb32624e06b
Revision: 201003
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diff
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|
504 |
|
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
505 |
/** Returns a pointer to the border selected by aIndex. Returns null if the |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
506 |
selected border is not present. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
507 |
const TTmParBorder* RTmParFormat::Border(TBorderIndex aIndex) const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
508 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
509 |
return iBorder[aIndex]; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
510 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
|
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
512 |
/** Returns true if the paragraph's base direction is right-to-left. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
513 |
TBool RTmParFormat::RightToLeft() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
514 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
515 |
return iFlags & ERightToLeft; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
/** Returns true if wrapping is turned on. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
TBool TTmFormatParamBase::IsWrapping() const |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
521 |
return iFlags & EWrap; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
/** Returns true if truncation with ellipsis is turned on. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
TBool TTmFormatParamBase::IsTruncatingWithEllipsis() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
527 |
return iFlags & ETruncateWithEllipsis; |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
530 |
/** Returns true if line breaking must only occur at legal line breaks, even if |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
531 |
the line cannot legally be broken at the desired wrap width. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
532 |
TBool TTmFormatParamBase::LegalLineBreaksOnly() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
534 |
return iFlags & ELegalLineBreaksOnly; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
/** Returns the first formatted character. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
539 |
TInt CTmTextLayout::StartChar() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
540 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
541 |
return iStartChar; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
542 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
544 |
/** Returns the character after the last formatted character. */ |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
545 |
TInt CTmTextLayout::EndChar() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
546 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
547 |
return iEndChar; |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
548 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
|
1fb32624e06b
Revision: 201003
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parents:
diff
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|
550 |
/** Return the width in pixels of the formatted text, not including paragraph |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
551 |
labels if present. */ |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
552 |
TInt CTmTextLayout::LayoutWidth() const |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
553 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
554 |
return iWidth; |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
555 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
557 |
/** Returns the height in pixels of the formatted text. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
558 |
TInt CTmTextLayout::LayoutHeight() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
559 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
560 |
return iHeight; |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
561 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
/** Returns a pointer to to the MTmSource object, if any, that provides text |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
564 |
and formatting to this object. Returns null if no source object has been set. */ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
MTmSource* CTmTextLayout::Source() |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
return iSource; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
const MTmSource* CTmTextLayout::Source() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
return iSource; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
/** |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
576 |
Returns a reference to the CTmCode object containing the bytecode |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
representing the text layout. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
@internalComponent |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
*/ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
const CTmCode& CTmTextLayout::Code() const |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
return iCode; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
#endif |