svgtopt/gfx2d/inc/GfxPolygonRendererP.h
changeset 0 d46562c3d99d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/GfxPolygonRendererP.h	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,97 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Graphics Extension Library header file
+*
+*/
+
+
+#ifndef GFXPOLYGONRENDERERP_H
+#define GFXPOLYGONRENDERERP_H
+
+#include <e32std.h>
+#include <e32base.h>
+
+#include "GfxFloatFixPt.h"
+#include "GfxColor.h"
+
+
+
+class TGfxColor;
+class MGfxPaint;
+class CGfxEdgeListP;
+class TGfxRendererInfoP;
+
+
+/**
+ * Implementation of a rendering class for polygons.
+ *
+ *  @lib Gfx2D.lib
+ *  @since 1.0
+ */
+
+class TGfxPolygonRendererP
+    {
+    public:
+
+        /**
+         * constructor
+         */
+                            TGfxPolygonRendererP();
+
+        /**
+         * initiatize
+         */
+        void                InitializeP( CGfxEdgeListP* aEdgeList,
+                                         TGfxRendererInfoP* aRenderInfo,
+                                         MGfxPaint* aPaint,
+                                         TBool aWindingNoneZero );
+
+        /**
+         * render scan line
+         */
+        void                RenderScanlineL( TInt aY, TUint32 aAlpha );
+
+
+        /**
+         * blit scan line
+         */
+        void                BlitScanline( TUint8* aSrc,
+                                          TInt aY,
+                                          TInt aStart,
+                                          TInt aEnd );
+
+
+        /**
+         * draw HLine
+         */
+        static void         DrawHLine( TUint16* aBuf,
+                                       TUint32 aColor,
+                                       TInt aLeftX,
+                                       TInt aWidth );
+
+    protected:
+
+
+
+        CGfxEdgeListP*      iEdgeList;
+        TGfxRendererInfoP*  iRenderInfo;
+        MGfxPaint*          iPaint;
+
+
+
+        TBool               iWindingNoneZero;
+    };
+
+
+#endif      // GFXPOLYGONRENDERERP_H