author | William Roberts <williamr@symbian.org> |
Fri, 02 Apr 2010 10:04:19 +0100 | |
branch | RCL_3 |
changeset 14 | 829379b05c78 |
parent 0 | 1fb32624e06b |
child 40 | 91ef7621b7fc |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2001-2009 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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#include "FRMPAGE.H" |
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#include "FRMCONST.H" |
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|
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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#include "FRMCONST_INTERNAL.H" |
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#include "FRMCONST_PARTNER.H" |
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#endif |
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|
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TLinePaginator::TLinePaginator(): |
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iPageList(NULL), |
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iDocPos(0), |
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iKeepWithPrev(ETrue), |
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iPageHeight(0), |
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iHeightRem(0), |
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iBreakOnPage(EFalse), |
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iPrevPageBreak(0), |
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iHeightLines(0), |
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iFirstLine(ETrue) |
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{ |
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} |
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|
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TBool TLinePaginator::AppendLineL(TPageLine aLine) |
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// |
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{ |
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TBool pageBreak=EFalse; |
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|
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if(aLine.iStartNewPage && !iFirstLine) |
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{ |
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SetPotentialBreakPoint(aLine.iDocPos); |
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InsertPageBreakL(); |
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pageBreak=ETrue; |
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} |
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else |
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{ |
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if (!iKeepWithPrev) |
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SetPotentialBreakPoint(aLine.iDocPos); |
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if (iHeightRem<iHeightLines+aLine.iLineHeight /*&& !iFirstLine*/) |
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{ |
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pageBreak=ETrue; |
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//__ASSERT_DEBUG(!iFirstLine || !iBreakOnPage,Panic()); //### |
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if (iBreakOnPage) |
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{ |
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InsertPageBreakL(); |
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if (aLine.iLineHeight > iHeightRem) |
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{ |
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if (iHeightLines!=0) |
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{ |
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SetPotentialBreakPoint(aLine.iDocPos); |
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InsertPageBreakL(); |
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} |
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CheckTallLineL(aLine); |
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} |
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} |
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else |
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{ |
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if (!iFirstLine) |
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{ |
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SetPotentialBreakPoint(aLine.iDocPos); |
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InsertPageBreakL(); |
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} |
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CheckTallLineL(aLine); //This picks up tall lines at the start of the document the above one picks up the rest |
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} |
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} |
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} |
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83 |
|
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iFirstLine=EFalse; |
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iHeightLines+=aLine.iLineHeight; |
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iKeepWithPrev=aLine.iKeepWithNext; |
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return pageBreak; |
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} |
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89 |
|
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void TLinePaginator::InsertPageBreakL() |
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91 |
{ |
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iBreakOnPage=EFalse; |
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iHeightRem=iPageHeight; |
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iKeepWithPrev=EFalse; |
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TInt deltaDocPos=iDocPos-iPrevPageBreak; |
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__ASSERT_DEBUG(deltaDocPos>0,FormPanic(EFInvalidNumberCharsOnPage)); |
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iPageList->AppendL(deltaDocPos); |
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iPrevPageBreak=iDocPos; |
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99 |
} |
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100 |
|
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void TLinePaginator::CheckTallLineL(TPageLine& aLine) |
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102 |
{ |
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while (aLine.iLineHeight>iPageHeight) |
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104 |
{ |
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aLine.iLineHeight-=iPageHeight; |
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iPageList->AppendL(0); |
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} |
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} |
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109 |
|
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void TLinePaginator::FlushL(TInt aEndDocPos) |
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111 |
{ |
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SetPotentialBreakPoint(aEndDocPos); |
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InsertPageBreakL(); |
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} |
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115 |
|
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void TLinePaginator::SetPageHeight(TInt aPageHeight) |
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{ |
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iPageHeight=aPageHeight; |
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iHeightRem=aPageHeight; |
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Reset(); |
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} |
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122 |
|
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// It is expected that the array passed in will be an empty one |
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void TLinePaginator::SetArray(CArrayFix<TInt>* aCharsPerPage) |
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125 |
{ |
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iPageList=aCharsPerPage; |
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|
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// reset if the array is not (for some reason) already cleared. |
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if (iPageList->Count() > 0) |
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Reset(); |
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} |
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132 |
|
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void TLinePaginator::Reset() |
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{ |
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iBreakOnPage=EFalse; |
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iKeepWithPrev=ETrue; |
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iPrevPageBreak=iDocPos=0; |
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iFirstLine=ETrue; |
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iHeightRem=iPageHeight; |
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|
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ResetArray(); |
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} |
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143 |
|
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void TLinePaginator::ResetArray() |
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{ |
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iPageList->Reset(); |
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iPageList->Compress(); |
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} |
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149 |
|
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void TLinePaginator::SetPotentialBreakPoint(TInt aDocPos) |
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151 |
{ |
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iBreakOnPage=ETrue; |
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iDocPos=aDocPos; |
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iHeightRem-=iHeightLines; |
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iHeightLines=0; |
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} |