1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/graphicscontextstate.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,141 @@
1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "graphicscontextstate.h"
1.20 +#include "cliwin.h"
1.21 +
1.22 +/*------------------------------------------------------------------------------
1.23 + Description: Resets internal status of the graphics context to pre-defined values.
1.24 + -----------------------------------------------------------------------------*/
1.25 +void TInternalGcStatus::ResetInternalStatus(CWsClientWindow* aWin)
1.26 + {
1.27 + iDrawMode = CGraphicsContext::EDrawModePEN;
1.28 + iPenColor = KRgbBlack;
1.29 + iBrushColor = aWin ? aWin->BackColor() : KRgbWhite;
1.30 + iPenStyle = CGraphicsContext::ESolidPen;
1.31 + iBrushStyle = CGraphicsContext::ENullBrush;
1.32 + iPenSize = TSize(1,1);
1.33 + iFontHandle = NULL;
1.34 + iUnderline = EUnderlineOff;
1.35 + iStrikethrough = EStrikethroughOff;
1.36 + iBrushPatternHandle = NULL;
1.37 + iBrushOrigin = TPoint(0,0);
1.38 + iCharExcessWidth = 0;
1.39 + iCharNumChars = 0;
1.40 + iWordExcessWidth = 0;
1.41 + iWordNumChars = 0;
1.42 + iOrigin = TPoint(0,0);
1.43 + iShadowColor = KRgbGray;
1.44 + }
1.45 +
1.46 +/*------------------------------------------------------------------------------
1.47 + Description: Helper function to retrieve current data from the given buffer and
1.48 + set graphics context.
1.49 + -----------------------------------------------------------------------------*/
1.50 +void TInternalGcStatus::InternalizeGcAttributesL(MWsGraphicsContext* aGc, RReadStream& aReadStream)
1.51 + {
1.52 + aGc->SetDrawMode((MWsGraphicsContext::TDrawMode)(aReadStream.ReadUint8L()));
1.53 +
1.54 + MWsGraphicsContext::TBrushStyle brushStyle = (MWsGraphicsContext::TBrushStyle) (aReadStream.ReadUint8L());
1.55 + aGc->SetPenStyle((MWsGraphicsContext::TPenStyle) (aReadStream.ReadUint8L()));
1.56 +
1.57 + TRgb penColor;
1.58 + penColor.InternalizeL(aReadStream);
1.59 + aGc->SetPenColor(penColor);
1.60 +
1.61 + TRgb brushColor;
1.62 + brushColor.InternalizeL(aReadStream);
1.63 + aGc->SetBrushColor(brushColor);
1.64 +
1.65 + TSize size;
1.66 + aReadStream >> size;
1.67 + aGc->SetPenSize(size);
1.68 +
1.69 + aGc->ResetBrushPattern();
1.70 + TInt brushHandle = aReadStream.ReadInt32L();
1.71 + if(brushHandle)
1.72 + {
1.73 + aGc->SetBrushPattern(brushHandle);
1.74 + if (!aGc->HasBrushPattern() && brushStyle == MWsGraphicsContext::EPatternedBrush)
1.75 + {
1.76 + // Panic may occur if trying to set EPatternedBrush when a bitmap has not been
1.77 + // successfully set, so revert to null brush.
1.78 + brushStyle = MWsGraphicsContext::ENullBrush;
1.79 + }
1.80 + }
1.81 + // Wait until any brush pattern has been set before setting the brush style.
1.82 + aGc->SetBrushStyle(brushStyle);
1.83 +
1.84 + TInt wordExcessWidth = aReadStream.ReadUint32L();
1.85 + TInt wordNumChars = aReadStream.ReadUint32L();
1.86 + aGc->SetWordJustification(wordExcessWidth, wordNumChars);
1.87 +
1.88 + TInt charExcessWidth = aReadStream.ReadUint32L();
1.89 + TInt charNumChars = aReadStream.ReadUint32L();
1.90 + aGc->SetCharJustification(charExcessWidth, charNumChars);
1.91 +
1.92 + TRgb shadowColor;
1.93 + shadowColor.InternalizeL(aReadStream);
1.94 + aGc->SetTextShadowColor(shadowColor);
1.95 +
1.96 + TPoint origin;
1.97 + aReadStream >> origin;
1.98 + aGc->SetOrigin(origin);
1.99 +
1.100 + TPoint brushOrigin;
1.101 + aReadStream >> brushOrigin;
1.102 + aGc->SetBrushOrigin(brushOrigin);
1.103 +
1.104 + aGc->SetUnderlineStyle((MWsGraphicsContext::TFontUnderline) (aReadStream.ReadUint8L()));
1.105 + aGc->SetStrikethroughStyle((MWsGraphicsContext::TFontStrikethrough) (aReadStream.ReadUint8L()));
1.106 +
1.107 + aGc->ResetFont();
1.108 + TInt fontHandle = aReadStream.ReadInt32L();
1.109 + if(fontHandle)
1.110 + {
1.111 + CFbsBitGcFont font;
1.112 + TInt res = font.Duplicate(fontHandle);
1.113 + if(res == KErrNone)
1.114 + {
1.115 + aGc->SetFont(&font);
1.116 + font.Reset();
1.117 + }
1.118 + }
1.119 + }
1.120 +
1.121 +/*------------------------------------------------------------------------------
1.122 + Description: Helper function to save graphics context information into a given buffer.
1.123 + -----------------------------------------------------------------------------*/
1.124 +void TInternalGcStatus::ExternalizeGcAttributesL(RWriteStream& aWriteStream)
1.125 + {
1.126 + aWriteStream.WriteUint8L(iDrawMode);
1.127 + aWriteStream.WriteUint8L(iBrushStyle);
1.128 + aWriteStream.WriteUint8L(iPenStyle);
1.129 + iPenColor.ExternalizeL(aWriteStream);
1.130 + iBrushColor.ExternalizeL(aWriteStream);
1.131 + aWriteStream << iPenSize;
1.132 + aWriteStream.WriteInt32L(iBrushPatternHandle);
1.133 + aWriteStream.WriteUint32L(iWordExcessWidth);
1.134 + aWriteStream.WriteUint32L(iWordNumChars);
1.135 + aWriteStream.WriteUint32L(iCharExcessWidth);
1.136 + aWriteStream.WriteUint32L(iCharNumChars);
1.137 + iShadowColor.ExternalizeL(aWriteStream);
1.138 + aWriteStream << iOrigin;
1.139 + aWriteStream << iBrushOrigin;
1.140 + aWriteStream.WriteUint8L(iUnderline);
1.141 + aWriteStream.WriteUint8L(iStrikethrough);
1.142 + aWriteStream.WriteInt32L(iFontHandle);
1.143 + }
1.144 +