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// Copyright (c) 1997-2009 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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#include <bitstd.h>
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#include <bitdev.h>
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#include "BITPANIC.H"
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#include <bitdraw.h>
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#include <graphics/fbsrasterizer.h>
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#include "bitgcextradata.h"
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/** Draws a straight line between two points.
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The function provides a concrete implementation of the pure virtual
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function CGraphicsContext::DrawLine(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C void CFbsBitGc::DrawLine(const TPoint& aPt1,const TPoint& aPt2)
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{
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CheckDevice();
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TRect lineBoundingRect(aPt1,aPt2);
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lineBoundingRect.Normalize();
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lineBoundingRect.Move(iOrigin);
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lineBoundingRect.Grow((iPenSize.iWidth >> 1) + 1,(iPenSize.iHeight >> 1) + 1);
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if(!lineBoundingRect.Intersects(iUserClipRect))
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{
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iLinePosition = aPt2;// if DrawLine returns due to aPt2 being outside of the clipping rect then subsequent line are drawn from correct point.
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return;
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}
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SetupDevice();
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iDevice->DrawingBegin();
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DoDrawLine(aPt1,aPt2,ETrue);
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iDevice->DrawingEnd();
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}
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/** Draws a straight line from the current drawing point to a specified
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point.
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The function provides a concrete implementation of the pure virtual
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function CGraphicsContext::DrawLineTo(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C void CFbsBitGc::DrawLineTo(const TPoint& aPoint)
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{
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DrawLine(iLinePosition,aPoint);
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}
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/** Draws a straight line relative to the current drawing point, using a
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vector.
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The function provides a concrete implementation of the pure virtual
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function CGraphicsContext::DrawLineBy(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C void CFbsBitGc::DrawLineBy(const TPoint& aVector)
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{
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DrawLine(iLinePosition,iLinePosition + aVector);
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}
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/** Draws a polyline from a set of points specified in a list.
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The functions provides a concrete implementation of the pure virtual
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functions CGraphicsContext::DrawPolyLine(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C void CFbsBitGc::DrawPolyLine(const CArrayFix<TPoint>* aPointList)
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{
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if(!aPointList || iPenSize.iWidth < 1 || iPenSize.iHeight < 1)
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return;
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const TInt vertexes = aPointList->Count()-1;
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for (TInt count = 0; count < vertexes; count++)
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DrawLine((*aPointList)[count],(*aPointList)[count + 1]);
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if (iPenStyle == CGraphicsContext::ESolidPen && vertexes >= 0)
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Plot((*aPointList)[vertexes]);
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}
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/** Draws a polyline from a set of points specified in an array, but does not draw
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the final point of the last line.
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@param aPointList An array containing the points on the polyline. */
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EXPORT_C void CFbsBitGc::DrawPolyLineNoEndPoint(const CArrayFix<TPoint>* aPointList)
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{
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if(!aPointList || iPenSize.iWidth < 1 || iPenSize.iHeight < 1)
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return;
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const TInt vertexes = aPointList->Count() - 1;
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for (TInt count = 0; count < vertexes; count++)
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DrawLine((*aPointList)[count],(*aPointList)[count + 1]);
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}
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/** Draws a polyline from a set of points specified in a list.
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The functions provides a concrete implementation of the pure virtual
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functions CGraphicsContext::DrawPolyLine(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C void CFbsBitGc::DrawPolyLine(const TPoint* aPointList,TInt aNumPoints)
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{
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DrawPolyLineNoEndPoint(aPointList,aNumPoints);
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if (iPenStyle == CGraphicsContext::ESolidPen)
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Plot(aPointList[aNumPoints - 1]);
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}
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/** Draws a polyline from a set of points specified in a list, but does not
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draw the final point of the last line.
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@param aPointList Pointer to a set of points on the polyline.
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@param aNumPoints Number of points in the list. */
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EXPORT_C void CFbsBitGc::DrawPolyLineNoEndPoint(const TPoint* aPointList,TInt aNumPoints)
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{
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if (!aPointList || iPenSize.iWidth < 1 || iPenSize.iHeight < 1)
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return;
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const TInt vertexes = aNumPoints - 1;
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for (TInt count = 0; count < vertexes; count++)
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DrawLine(aPointList[count],aPointList[count + 1]);
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}
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/** Draws and fills a polygon defined using a list of points.
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The function provides a concrete implementation of the pure virtual
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function CGraphicsContext::DrawPolygon(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C TInt CFbsBitGc::DrawPolygon(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule)
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{
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CheckDevice();
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if (!aPointList)
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return KErrArgument;
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const TInt numpoints = aPointList->Count();
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if (numpoints == 0)
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return KErrNone; // Nothing to do!
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SetupDevice();
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iDevice->DrawingBegin(&iBrushBitmap);
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CFbsRasterizer* brushRasterizer = PrepareRasterizerForExtendedBitmap(iBrushBitmap);
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if (iBrushStyle != ENullBrush)
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{
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TRect pointrect(0,0,0,0);
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TRect truncrect(0,0,0,0);
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TBool largepolygon = EFalse;
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for (TInt count = 0; count < numpoints; count++)
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{
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pointrect.iTl = (*aPointList)[count] + iOrigin;
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truncrect.iTl = pointrect.iTl;
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iDevice->TruncateRect(truncrect);
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if (pointrect.iTl != truncrect.iTl)
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{
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largepolygon = ETrue;
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break;
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}
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}
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if (largepolygon)
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PolyFillLarge(aPointList,aFillRule);
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else
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PolyFill(aPointList,aFillRule);
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}
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if (iPenStyle != ENullPen)
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if (iPenSize.iWidth > 0 && iPenSize.iHeight > 0)
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PolyOutline(aPointList);
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if (brushRasterizer)
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{
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brushRasterizer->EndBitmap(iBrushBitmap.SerialNumber());
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}
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iDevice->DrawingEnd(&iBrushBitmap);
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return KErrNone;
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}
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/** Draws and fills a polygon defined using a list of points.
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The function provides a concrete implementation of the pure virtual
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function CGraphicsContext::DrawPolygon(). The function
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behaviour is the same as documented in that class. */
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EXPORT_C TInt CFbsBitGc::DrawPolygon(const TPoint* aPointList,
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TInt aNumPoints,
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CGraphicsContext::TFillRule aFillRule)
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{
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CheckDevice();
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if (!aPointList || aNumPoints < 0)
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return KErrArgument;
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if (aNumPoints == 0)
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return KErrNone; // Nothing to do!
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SetupDevice();
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iDevice->DrawingBegin(&iBrushBitmap);
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CFbsRasterizer* brushRasterizer = PrepareRasterizerForExtendedBitmap(iBrushBitmap);
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if (iBrushStyle != ENullBrush)
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{
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TRect pointrect(0,0,0,0);
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TRect truncrect(0,0,0,0);
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TBool largepolygon = EFalse;
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for (TInt count = 0; count < aNumPoints; count++)
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{
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pointrect.iTl = aPointList[count] + iOrigin;
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truncrect.iTl = pointrect.iTl;
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iDevice->TruncateRect(truncrect);
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if (pointrect.iTl != truncrect.iTl)
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{
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largepolygon = ETrue;
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break;
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}
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}
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if (largepolygon)
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PolyFillLarge(aPointList,aNumPoints,aFillRule);
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else
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PolyFill(aPointList,aNumPoints,aFillRule);
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}
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if (iPenStyle != ENullPen && iPenSize.iWidth > 0 && iPenSize.iHeight > 0)
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PolyOutline(aPointList,aNumPoints);
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if (brushRasterizer)
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{
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brushRasterizer->EndBitmap(iBrushBitmap.SerialNumber());
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}
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iDevice->DrawingEnd(&iBrushBitmap);
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return KErrNone;
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}
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void CFbsBitGc::DoDrawLine(TPoint aPt1,TPoint aPt2,TBool aDrawStartPoint)
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{
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iLinePosition = aPt2;
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if (aPt1 == aPt2 || iPenStyle == ENullPen || !iPenSize.iWidth || !iPenSize.iHeight)
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return;
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aPt1 += iOrigin;
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aPt2 += iOrigin;
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TRect temp(aPt1,aPt2);
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temp.Normalize();
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temp.Grow(iPenSize.iWidth,iPenSize.iHeight);
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AddRect(temp);
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if (UserClipRect(temp))
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return;
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CFbsDrawDevice* drawDevice = iDevice->iDrawDevice;
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TRect screenRect;
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drawDevice->GetDrawRect(screenRect);
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screenRect.Grow(iPenSize.iWidth,iPenSize.iHeight);
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const TInt dotParam = iDotParam;
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TPoint plotpt(0,0);
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for (TInt count = 0; count < iDefaultRegionPtr->Count(); count++)
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{
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iDotParam = dotParam;
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iClipRect = (*iDefaultRegionPtr)[count];
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if (!iClipRect.Intersects(temp))
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{
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TLinearDDA line;
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line.Construct(aPt1,aPt2);
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line.JumpToRect(screenRect);
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if (iPenStyle != ESolidPen)
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while (!line.SingleStep(plotpt))
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iDotParam += iDotDirection;
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continue;
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}
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iClipRect.Intersection(temp);
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if ((iPenSize.iWidth > 1 || iPenSize.iHeight > 1) && iPenStyle == ESolidPen) // wide solid line
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DoDrawSolidWideLine(aPt1,aPt2,aDrawStartPoint,screenRect);
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else if (iPenSize.iWidth > 1 || iPenSize.iHeight > 1) // dotted line
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DoDrawDottedWideLine(aPt1,aPt2,aDrawStartPoint,screenRect);
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else if (iPenStyle != ESolidPen) // single pixel dotted line
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{
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TLinearDDA line;
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line.Construct(aPt1,aPt2);
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line.JumpToRect(screenRect);
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iDotParam = dotParam;
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if (!aDrawStartPoint)
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{
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line.SingleStep(plotpt);
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iDotParam += iDotDirection;
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}
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while (!line.SingleStep(plotpt))
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{
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PenDrawClipped(plotpt);
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iDotParam += iDotDirection;
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}
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}
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else if (aPt1.iY == aPt2.iY &&
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(aPt1.iY >= iClipRect.iTl.iY && aPt1.iY < iClipRect.iBr.iY))
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{ // single pixel solid horizontal line
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TInt start = Min(aPt1.iX,aPt2.iX + 1);
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TInt length = Abs(aPt2.iX - aPt1.iX);
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if (!aDrawStartPoint)
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if (aPt1.iX < aPt2.iX)
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start++;
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else
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length--;
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if (start < iClipRect.iTl.iX)
|
sl@0
|
332 |
{
|
sl@0
|
333 |
length += start - iClipRect.iTl.iX;
|
sl@0
|
334 |
start = iClipRect.iTl.iX;
|
sl@0
|
335 |
}
|
sl@0
|
336 |
if (start + length > iClipRect.iBr.iX)
|
sl@0
|
337 |
length = iClipRect.iBr.iX - start;
|
sl@0
|
338 |
|
sl@0
|
339 |
if (length > 0)
|
sl@0
|
340 |
{
|
sl@0
|
341 |
BG_ASSERT_DEBUG(start >= iUserClipRect.iTl.iX,EBitgdiPanicOutOfBounds);
|
sl@0
|
342 |
BG_ASSERT_DEBUG(aPt1.iY >= iUserClipRect.iTl.iY,EBitgdiPanicOutOfBounds);
|
sl@0
|
343 |
BG_ASSERT_DEBUG(start + length <= iUserClipRect.iBr.iX,EBitgdiPanicOutOfBounds);
|
sl@0
|
344 |
BG_ASSERT_DEBUG(aPt1.iY < iUserClipRect.iBr.iY,EBitgdiPanicOutOfBounds);
|
sl@0
|
345 |
|
sl@0
|
346 |
drawDevice->WriteRgbMulti(start,aPt1.iY,length,1,iPenColor,iDrawMode);
|
sl@0
|
347 |
}
|
sl@0
|
348 |
}
|
sl@0
|
349 |
else if (aPt1.iX == aPt2.iX && (aPt1.iX >= iClipRect.iTl.iX && aPt1.iX < iClipRect.iBr.iX))
|
sl@0
|
350 |
{ // single pixel solid vertical line
|
sl@0
|
351 |
TInt start = Min(aPt1.iY,aPt2.iY + 1);
|
sl@0
|
352 |
TInt length = Abs(aPt2.iY - aPt1.iY);
|
sl@0
|
353 |
|
sl@0
|
354 |
if (!aDrawStartPoint)
|
sl@0
|
355 |
if (aPt1.iY < aPt2.iY)
|
sl@0
|
356 |
start++;
|
sl@0
|
357 |
else
|
sl@0
|
358 |
length--;
|
sl@0
|
359 |
|
sl@0
|
360 |
if (start < iClipRect.iTl.iY)
|
sl@0
|
361 |
{
|
sl@0
|
362 |
length += start - iClipRect.iTl.iY;
|
sl@0
|
363 |
start = iClipRect.iTl.iY;
|
sl@0
|
364 |
}
|
sl@0
|
365 |
if (start + length > iClipRect.iBr.iY)
|
sl@0
|
366 |
length = iClipRect.iBr.iY - start;
|
sl@0
|
367 |
|
sl@0
|
368 |
if (length > 0)
|
sl@0
|
369 |
{
|
sl@0
|
370 |
BG_ASSERT_DEBUG(aPt1.iX >= iUserClipRect.iTl.iX,EBitgdiPanicOutOfBounds);
|
sl@0
|
371 |
BG_ASSERT_DEBUG(start >= iUserClipRect.iTl.iY,EBitgdiPanicOutOfBounds);
|
sl@0
|
372 |
BG_ASSERT_DEBUG(aPt1.iX < iUserClipRect.iBr.iX,EBitgdiPanicOutOfBounds);
|
sl@0
|
373 |
BG_ASSERT_DEBUG(start + length <= iUserClipRect.iBr.iY,EBitgdiPanicOutOfBounds);
|
sl@0
|
374 |
|
sl@0
|
375 |
drawDevice->WriteRgbMulti(aPt1.iX,start,1,length,iPenColor,iDrawMode);
|
sl@0
|
376 |
}
|
sl@0
|
377 |
}
|
sl@0
|
378 |
else
|
sl@0
|
379 |
{ // single pixel solid diagonal line
|
sl@0
|
380 |
TLinearDDA line;
|
sl@0
|
381 |
line.Construct(aPt1,aPt2);
|
sl@0
|
382 |
|
sl@0
|
383 |
line.JumpToRect(screenRect);
|
sl@0
|
384 |
|
sl@0
|
385 |
if (!aDrawStartPoint)
|
sl@0
|
386 |
line.SingleStep(plotpt);
|
sl@0
|
387 |
|
sl@0
|
388 |
while (!line.SingleStep(plotpt))
|
sl@0
|
389 |
{
|
sl@0
|
390 |
if (iClipRect.Contains(plotpt))
|
sl@0
|
391 |
{
|
sl@0
|
392 |
BG_ASSERT_DEBUG(plotpt.iX >= iUserClipRect.iTl.iX,EBitgdiPanicOutOfBounds);
|
sl@0
|
393 |
BG_ASSERT_DEBUG(plotpt.iY >= iUserClipRect.iTl.iY,EBitgdiPanicOutOfBounds);
|
sl@0
|
394 |
BG_ASSERT_DEBUG(plotpt.iX < iUserClipRect.iBr.iX,EBitgdiPanicOutOfBounds);
|
sl@0
|
395 |
BG_ASSERT_DEBUG(plotpt.iY < iUserClipRect.iBr.iY,EBitgdiPanicOutOfBounds);
|
sl@0
|
396 |
|
sl@0
|
397 |
drawDevice->WriteRgb(plotpt.iX,plotpt.iY,iPenColor,iDrawMode);
|
sl@0
|
398 |
}
|
sl@0
|
399 |
}
|
sl@0
|
400 |
}
|
sl@0
|
401 |
|
sl@0
|
402 |
drawDevice->UpdateRegion(iClipRect);
|
sl@0
|
403 |
}
|
sl@0
|
404 |
}
|
sl@0
|
405 |
|
sl@0
|
406 |
void CFbsBitGc::DoDrawSolidWideLine(const TPoint& aPt1,
|
sl@0
|
407 |
const TPoint& aPt2,
|
sl@0
|
408 |
TBool aDrawStartPoint,
|
sl@0
|
409 |
const TRect& aScreenRect)
|
sl@0
|
410 |
{
|
sl@0
|
411 |
CFbsDrawDevice* drawDevice = iDevice->iDrawDevice;
|
sl@0
|
412 |
|
sl@0
|
413 |
TLinearDDA line;
|
sl@0
|
414 |
line.Construct(aPt1,aPt2);
|
sl@0
|
415 |
|
sl@0
|
416 |
TPoint plotpt(aPt1);
|
sl@0
|
417 |
line.JumpToRect(aScreenRect);
|
sl@0
|
418 |
if (!aScreenRect.Contains(plotpt) || !aDrawStartPoint)
|
sl@0
|
419 |
line.SingleStep(plotpt);
|
sl@0
|
420 |
|
sl@0
|
421 |
TInt* deferred = NULL;
|
sl@0
|
422 |
const TInt doubleheight = iPenSize.iHeight << 1;
|
sl@0
|
423 |
|
sl@0
|
424 |
if (iFbsBitGcExtraData->PenArray())
|
sl@0
|
425 |
deferred = new TInt[doubleheight];
|
sl@0
|
426 |
|
sl@0
|
427 |
if (!iFbsBitGcExtraData->PenArray() || !deferred)
|
sl@0
|
428 |
{
|
sl@0
|
429 |
while (!line.SingleStep(plotpt))
|
sl@0
|
430 |
PenDrawClipped(plotpt);
|
sl@0
|
431 |
}
|
sl@0
|
432 |
else
|
sl@0
|
433 |
{
|
sl@0
|
434 |
const TBool down = (aPt2.iY >= aPt1.iY);
|
sl@0
|
435 |
|
sl@0
|
436 |
for (TInt fillcount = 0; fillcount < doubleheight; )
|
sl@0
|
437 |
{
|
sl@0
|
438 |
deferred[fillcount++] = KMaxTInt;
|
sl@0
|
439 |
deferred[fillcount++] = KMinTInt;
|
sl@0
|
440 |
}
|
sl@0
|
441 |
|
sl@0
|
442 |
TInt nextline = 0;
|
sl@0
|
443 |
TInt nexty = plotpt.iY;
|
sl@0
|
444 |
if (down)
|
sl@0
|
445 |
nexty -= ((iPenSize.iHeight - 1) >> 1);
|
sl@0
|
446 |
else
|
sl@0
|
447 |
nexty += (iPenSize.iHeight >> 1);
|
sl@0
|
448 |
|
sl@0
|
449 |
TInt lasty = plotpt.iY;
|
sl@0
|
450 |
|
sl@0
|
451 |
while (!line.SingleStep(plotpt))
|
sl@0
|
452 |
{
|
sl@0
|
453 |
if (plotpt.iY != lasty)
|
sl@0
|
454 |
{
|
sl@0
|
455 |
if (nexty >= iClipRect.iTl.iY && nexty < iClipRect.iBr.iY)
|
sl@0
|
456 |
{
|
sl@0
|
457 |
TInt left = deferred[nextline];
|
sl@0
|
458 |
TInt right = deferred[nextline + 1];
|
sl@0
|
459 |
if (left < iClipRect.iTl.iX)
|
sl@0
|
460 |
left = iClipRect.iTl.iX;
|
sl@0
|
461 |
if (right >= iClipRect.iBr.iX)
|
sl@0
|
462 |
right = iClipRect.iBr.iX - 1;
|
sl@0
|
463 |
|
sl@0
|
464 |
if (left <= right)
|
sl@0
|
465 |
drawDevice->WriteRgbMulti(left,nexty,right - left + 1,1,iPenColor,CGraphicsContext::EDrawModePEN);
|
sl@0
|
466 |
}
|
sl@0
|
467 |
|
sl@0
|
468 |
if (down)
|
sl@0
|
469 |
nexty++;
|
sl@0
|
470 |
else
|
sl@0
|
471 |
nexty--;
|
sl@0
|
472 |
lasty = plotpt.iY;
|
sl@0
|
473 |
deferred[nextline++] = KMaxTInt;
|
sl@0
|
474 |
deferred[nextline++] = KMinTInt;
|
sl@0
|
475 |
if (nextline == doubleheight)
|
sl@0
|
476 |
nextline = 0;
|
sl@0
|
477 |
}
|
sl@0
|
478 |
|
sl@0
|
479 |
PenDrawDeferred(plotpt,deferred,nextline);
|
sl@0
|
480 |
}
|
sl@0
|
481 |
|
sl@0
|
482 |
for (TInt restofline = 0; restofline < doubleheight; restofline += 2,nextline += 2)
|
sl@0
|
483 |
{
|
sl@0
|
484 |
if (nextline == doubleheight)
|
sl@0
|
485 |
nextline = 0;
|
sl@0
|
486 |
|
sl@0
|
487 |
if (nexty >= iClipRect.iTl.iY && nexty < iClipRect.iBr.iY)
|
sl@0
|
488 |
{
|
sl@0
|
489 |
TInt left = deferred[nextline];
|
sl@0
|
490 |
TInt right = deferred[nextline+1];
|
sl@0
|
491 |
if (left < iClipRect.iTl.iX)
|
sl@0
|
492 |
left = iClipRect.iTl.iX;
|
sl@0
|
493 |
if (right >= iClipRect.iBr.iX)
|
sl@0
|
494 |
right = iClipRect.iBr.iX-1;
|
sl@0
|
495 |
|
sl@0
|
496 |
if (left <= right)
|
sl@0
|
497 |
drawDevice->WriteRgbMulti(left,nexty,right - left + 1,1,iPenColor,CGraphicsContext::EDrawModePEN);
|
sl@0
|
498 |
}
|
sl@0
|
499 |
|
sl@0
|
500 |
if (down)
|
sl@0
|
501 |
nexty++;
|
sl@0
|
502 |
else
|
sl@0
|
503 |
nexty--;
|
sl@0
|
504 |
}
|
sl@0
|
505 |
|
sl@0
|
506 |
delete[] deferred;
|
sl@0
|
507 |
}
|
sl@0
|
508 |
}
|
sl@0
|
509 |
|
sl@0
|
510 |
|
sl@0
|
511 |
void CFbsBitGc::DoDrawDottedWideLine(const TPoint& aPt1,
|
sl@0
|
512 |
const TPoint& aPt2,
|
sl@0
|
513 |
TBool aDrawStartPoint,
|
sl@0
|
514 |
const TRect& aScreenRect)
|
sl@0
|
515 |
{
|
sl@0
|
516 |
TLinearDDA line;
|
sl@0
|
517 |
line.Construct(aPt1,aPt2);
|
sl@0
|
518 |
|
sl@0
|
519 |
TPoint plotpt(aPt1);
|
sl@0
|
520 |
line.JumpToRect(aScreenRect);
|
sl@0
|
521 |
if (!aDrawStartPoint)
|
sl@0
|
522 |
{
|
sl@0
|
523 |
line.SingleStep(plotpt);
|
sl@0
|
524 |
iDotParam += iDotDirection;
|
sl@0
|
525 |
}
|
sl@0
|
526 |
|
sl@0
|
527 |
const TInt maxdim = Max(iPenSize.iWidth,iPenSize.iHeight);
|
sl@0
|
528 |
|
sl@0
|
529 |
TBool done = EFalse;
|
sl@0
|
530 |
while (!done)
|
sl@0
|
531 |
{
|
sl@0
|
532 |
while (!done && !(iDotMask & (1 << ((iDotParam / maxdim) % iDotLength))))
|
sl@0
|
533 |
{
|
sl@0
|
534 |
done = line.SingleStep(plotpt);
|
sl@0
|
535 |
iDotParam += iDotDirection;
|
sl@0
|
536 |
}
|
sl@0
|
537 |
|
sl@0
|
538 |
TPoint startdash(plotpt);
|
sl@0
|
539 |
TPoint enddash(plotpt);
|
sl@0
|
540 |
|
sl@0
|
541 |
while (!done && (iDotMask & (1 << ((iDotParam / maxdim) % iDotLength))))
|
sl@0
|
542 |
{
|
sl@0
|
543 |
enddash = plotpt;
|
sl@0
|
544 |
done = line.SingleStep(plotpt);
|
sl@0
|
545 |
iDotParam += iDotDirection;
|
sl@0
|
546 |
}
|
sl@0
|
547 |
|
sl@0
|
548 |
DoDrawSolidWideLine(startdash,enddash,ETrue,aScreenRect);
|
sl@0
|
549 |
}
|
sl@0
|
550 |
}
|
sl@0
|
551 |
|
sl@0
|
552 |
// if iBrushBitmap is an extended bitmap, PrepareRasterizerForExtendedBitmap() must have been called before this method
|
sl@0
|
553 |
void CFbsBitGc::PolyFill(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule)
|
sl@0
|
554 |
{
|
sl@0
|
555 |
TBool exists;
|
sl@0
|
556 |
TInt scanline;
|
sl@0
|
557 |
TInt pixelRunStart;
|
sl@0
|
558 |
TInt pixelRunEnd;
|
sl@0
|
559 |
|
sl@0
|
560 |
const TInt limit = iDefaultRegionPtr->Count();
|
sl@0
|
561 |
for (TInt count = 0; count < limit; count++)
|
sl@0
|
562 |
{
|
sl@0
|
563 |
iClipRect = (*iDefaultRegionPtr)[count];
|
sl@0
|
564 |
AddRect(iClipRect);
|
sl@0
|
565 |
if (UserClipRect(iClipRect))
|
sl@0
|
566 |
continue;
|
sl@0
|
567 |
|
sl@0
|
568 |
CPolygonFiller polyfill;
|
sl@0
|
569 |
polyfill.Construct(aPointList,aFillRule);
|
sl@0
|
570 |
|
sl@0
|
571 |
for(polyfill.GetNextPixelRun(exists,scanline,pixelRunStart,pixelRunEnd);exists;
|
sl@0
|
572 |
polyfill.GetNextPixelRun(exists,scanline,pixelRunStart,pixelRunEnd))
|
sl@0
|
573 |
{
|
sl@0
|
574 |
TPoint start(pixelRunStart,scanline),end(pixelRunEnd,scanline);
|
sl@0
|
575 |
start += iOrigin;
|
sl@0
|
576 |
end += iOrigin;
|
sl@0
|
577 |
ClipFillLine(start,end);
|
sl@0
|
578 |
}
|
sl@0
|
579 |
|
sl@0
|
580 |
polyfill.Reset();
|
sl@0
|
581 |
iDevice->iDrawDevice->UpdateRegion(iClipRect);
|
sl@0
|
582 |
}
|
sl@0
|
583 |
}
|
sl@0
|
584 |
|
sl@0
|
585 |
// if iBrushBitmap is an extended bitmap, PrepareRasterizerForExtendedBitmap() must have been called before this method
|
sl@0
|
586 |
void CFbsBitGc::PolyFillLarge(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule)
|
sl@0
|
587 |
{
|
sl@0
|
588 |
TBool exists;
|
sl@0
|
589 |
TInt pixelRunStart;
|
sl@0
|
590 |
TInt pixelRunEnd;
|
sl@0
|
591 |
|
sl@0
|
592 |
const TInt limit = iDefaultRegionPtr->Count();
|
sl@0
|
593 |
for (TInt count = 0; count < limit; count++)
|
sl@0
|
594 |
{
|
sl@0
|
595 |
iClipRect = (*iDefaultRegionPtr)[count];
|
sl@0
|
596 |
AddRect(iClipRect);
|
sl@0
|
597 |
if (UserClipRect(iClipRect))
|
sl@0
|
598 |
continue;
|
sl@0
|
599 |
|
sl@0
|
600 |
CPolygonFiller polyfill;
|
sl@0
|
601 |
polyfill.Construct(aPointList,aFillRule,CPolygonFiller::EGetPixelRunsSequentiallyForSpecifiedScanLines);
|
sl@0
|
602 |
TInt clipRectOffsetStart = iClipRect.iTl.iY - iOrigin.iY;
|
sl@0
|
603 |
TInt clipRectOffsetEnd = iClipRect.iBr.iY - iOrigin.iY;
|
sl@0
|
604 |
|
sl@0
|
605 |
for (TInt scanline = clipRectOffsetStart; scanline < clipRectOffsetEnd; scanline++)
|
sl@0
|
606 |
{
|
sl@0
|
607 |
polyfill.GetNextPixelRunOnSpecifiedScanLine(exists,scanline,pixelRunStart,pixelRunEnd);
|
sl@0
|
608 |
while (exists)
|
sl@0
|
609 |
{
|
sl@0
|
610 |
TPoint start(pixelRunStart,scanline),end(pixelRunEnd,scanline);
|
sl@0
|
611 |
start += iOrigin;
|
sl@0
|
612 |
end += iOrigin;
|
sl@0
|
613 |
ClipFillLine(start,end);
|
sl@0
|
614 |
polyfill.GetNextPixelRunOnSpecifiedScanLine(exists,scanline,pixelRunStart,pixelRunEnd);
|
sl@0
|
615 |
}
|
sl@0
|
616 |
}
|
sl@0
|
617 |
|
sl@0
|
618 |
polyfill.Reset();
|
sl@0
|
619 |
iDevice->iDrawDevice->UpdateRegion(iClipRect);
|
sl@0
|
620 |
}
|
sl@0
|
621 |
}
|
sl@0
|
622 |
|
sl@0
|
623 |
void CFbsBitGc::PolyOutline(const CArrayFix<TPoint>* aPointList)
|
sl@0
|
624 |
{
|
sl@0
|
625 |
const TInt vertexes = aPointList->Count();
|
sl@0
|
626 |
|
sl@0
|
627 |
for (TInt count = 0; count < vertexes; count++)
|
sl@0
|
628 |
{
|
sl@0
|
629 |
TPoint point1((*aPointList)[count]);
|
sl@0
|
630 |
TPoint point2((*aPointList)[(count + 1) % vertexes]);
|
sl@0
|
631 |
|
sl@0
|
632 |
if (point1.iY < point2.iY)
|
sl@0
|
633 |
DoDrawLine(point1,point2,ETrue);
|
sl@0
|
634 |
else
|
sl@0
|
635 |
{
|
sl@0
|
636 |
iDotDirection = -1;
|
sl@0
|
637 |
iDotParam += Max(Abs(point2.iX - point1.iX),Abs(point2.iY - point1.iY));
|
sl@0
|
638 |
const TInt dotParam = iDotParam;
|
sl@0
|
639 |
DoDrawLine(point2,point1,EFalse);
|
sl@0
|
640 |
|
sl@0
|
641 |
if (Abs(point2.iX - point1.iX) > Abs(point2.iY - point1.iY))
|
sl@0
|
642 |
{
|
sl@0
|
643 |
if (iPenStyle == CGraphicsContext::ESolidPen || (iDotMask & (1 << ((iDotParam / iPenSize.iWidth) % iDotLength))))
|
sl@0
|
644 |
DoPlot((*aPointList)[count]);
|
sl@0
|
645 |
}
|
sl@0
|
646 |
else
|
sl@0
|
647 |
{
|
sl@0
|
648 |
if (iPenStyle == CGraphicsContext::ESolidPen || (iDotMask & (1 << ((iDotParam / iPenSize.iHeight) % iDotLength))))
|
sl@0
|
649 |
DoPlot((*aPointList)[count]);
|
sl@0
|
650 |
}
|
sl@0
|
651 |
|
sl@0
|
652 |
iDotDirection = 1;
|
sl@0
|
653 |
iDotParam = dotParam;
|
sl@0
|
654 |
}
|
sl@0
|
655 |
}
|
sl@0
|
656 |
}
|
sl@0
|
657 |
|
sl@0
|
658 |
// if iBrushBitmap is an extended bitmap, PrepareRasterizerForExtendedBitmap() must have been called before this method
|
sl@0
|
659 |
void CFbsBitGc::PolyFill(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule)
|
sl@0
|
660 |
{
|
sl@0
|
661 |
TBool exists;
|
sl@0
|
662 |
TInt scanline;
|
sl@0
|
663 |
TInt pixelRunStart;
|
sl@0
|
664 |
TInt pixelRunEnd;
|
sl@0
|
665 |
|
sl@0
|
666 |
const TInt limit = iDefaultRegionPtr->Count();
|
sl@0
|
667 |
for (TInt count = 0; count < limit; count++)
|
sl@0
|
668 |
{
|
sl@0
|
669 |
iClipRect = (*iDefaultRegionPtr)[count];
|
sl@0
|
670 |
AddRect(iClipRect);
|
sl@0
|
671 |
if (UserClipRect(iClipRect))
|
sl@0
|
672 |
continue;
|
sl@0
|
673 |
|
sl@0
|
674 |
CPolygonFiller polyfill;
|
sl@0
|
675 |
polyfill.Construct(aPointList,aNumPoints,aFillRule);
|
sl@0
|
676 |
|
sl@0
|
677 |
for (polyfill.GetNextPixelRun(exists,scanline,pixelRunStart,pixelRunEnd);exists;
|
sl@0
|
678 |
polyfill.GetNextPixelRun(exists,scanline,pixelRunStart,pixelRunEnd))
|
sl@0
|
679 |
{
|
sl@0
|
680 |
TPoint start(pixelRunStart,scanline),end(pixelRunEnd,scanline);
|
sl@0
|
681 |
start += iOrigin;
|
sl@0
|
682 |
end += iOrigin;
|
sl@0
|
683 |
ClipFillLine(start,end);
|
sl@0
|
684 |
}
|
sl@0
|
685 |
|
sl@0
|
686 |
polyfill.Reset();
|
sl@0
|
687 |
iDevice->iDrawDevice->UpdateRegion(iClipRect);
|
sl@0
|
688 |
}
|
sl@0
|
689 |
}
|
sl@0
|
690 |
|
sl@0
|
691 |
// if iBrushBitmap is an extended bitmap, PrepareRasterizerForExtendedBitmap() must have been called before this method
|
sl@0
|
692 |
void CFbsBitGc::PolyFillLarge(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule)
|
sl@0
|
693 |
{
|
sl@0
|
694 |
TBool exists;
|
sl@0
|
695 |
TInt pixelRunStart;
|
sl@0
|
696 |
TInt pixelRunEnd;
|
sl@0
|
697 |
|
sl@0
|
698 |
const TInt limit = iDefaultRegionPtr->Count();
|
sl@0
|
699 |
for (TInt count = 0; count < limit; count++)
|
sl@0
|
700 |
{
|
sl@0
|
701 |
iClipRect = (*iDefaultRegionPtr)[count];
|
sl@0
|
702 |
AddRect(iClipRect);
|
sl@0
|
703 |
if (UserClipRect(iClipRect))
|
sl@0
|
704 |
continue;
|
sl@0
|
705 |
|
sl@0
|
706 |
CPolygonFiller polyfill;
|
sl@0
|
707 |
polyfill.Construct(aPointList,aNumPoints,aFillRule,CPolygonFiller::EGetPixelRunsSequentiallyForSpecifiedScanLines);
|
sl@0
|
708 |
TInt clipRectOffsetStart = iClipRect.iTl.iY - iOrigin.iY;
|
sl@0
|
709 |
TInt clipRectOffsetEnd = iClipRect.iBr.iY - iOrigin.iY;
|
sl@0
|
710 |
|
sl@0
|
711 |
for (TInt scanline = clipRectOffsetStart; scanline < clipRectOffsetEnd; scanline++)
|
sl@0
|
712 |
{
|
sl@0
|
713 |
polyfill.GetNextPixelRunOnSpecifiedScanLine(exists,scanline,pixelRunStart,pixelRunEnd);
|
sl@0
|
714 |
while (exists)
|
sl@0
|
715 |
{
|
sl@0
|
716 |
TPoint start(pixelRunStart,scanline),end(pixelRunEnd,scanline);
|
sl@0
|
717 |
start += iOrigin;
|
sl@0
|
718 |
end += iOrigin;
|
sl@0
|
719 |
ClipFillLine(start,end);
|
sl@0
|
720 |
|
sl@0
|
721 |
polyfill.GetNextPixelRunOnSpecifiedScanLine(exists,scanline,pixelRunStart,pixelRunEnd);
|
sl@0
|
722 |
}
|
sl@0
|
723 |
}
|
sl@0
|
724 |
|
sl@0
|
725 |
polyfill.Reset();
|
sl@0
|
726 |
iDevice->iDrawDevice->UpdateRegion(iClipRect);
|
sl@0
|
727 |
}
|
sl@0
|
728 |
}
|
sl@0
|
729 |
|
sl@0
|
730 |
void CFbsBitGc::PolyOutline(const TPoint* aPointList,TInt aNumPoints)
|
sl@0
|
731 |
{
|
sl@0
|
732 |
for (TInt count = 0; count < aNumPoints; count++)
|
sl@0
|
733 |
{
|
sl@0
|
734 |
TPoint point1(aPointList[count]);
|
sl@0
|
735 |
TPoint point2(aPointList[(count + 1) % aNumPoints]);
|
sl@0
|
736 |
|
sl@0
|
737 |
if (point1.iY < point2.iY)
|
sl@0
|
738 |
DoDrawLine(point1,point2,ETrue);
|
sl@0
|
739 |
else
|
sl@0
|
740 |
{
|
sl@0
|
741 |
iDotDirection = -1;
|
sl@0
|
742 |
iDotParam += Max(Abs(point2.iX - point1.iX),Abs(point2.iY - point1.iY));
|
sl@0
|
743 |
const TInt dotParam = iDotParam;
|
sl@0
|
744 |
|
sl@0
|
745 |
DoDrawLine(point2,point1,EFalse);
|
sl@0
|
746 |
|
sl@0
|
747 |
if (Abs(point2.iX - point1.iX) > Abs(point2.iY - point1.iY))
|
sl@0
|
748 |
{
|
sl@0
|
749 |
if (iPenStyle == CGraphicsContext::ESolidPen || (iDotMask & (1 << ((iDotParam / iPenSize.iWidth) % iDotLength))))
|
sl@0
|
750 |
DoPlot(aPointList[count]);
|
sl@0
|
751 |
}
|
sl@0
|
752 |
else
|
sl@0
|
753 |
{
|
sl@0
|
754 |
if (iPenStyle == CGraphicsContext::ESolidPen || (iDotMask & (1 << ((iDotParam / iPenSize.iHeight) % iDotLength))))
|
sl@0
|
755 |
DoPlot(aPointList[count]);
|
sl@0
|
756 |
}
|
sl@0
|
757 |
|
sl@0
|
758 |
iDotDirection = 1;
|
sl@0
|
759 |
iDotParam = dotParam;
|
sl@0
|
760 |
}
|
sl@0
|
761 |
}
|
sl@0
|
762 |
}
|
sl@0
|
763 |
|