--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uiaccelerator_plat/alf_visual_api/inc/alf/alfgc.h Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,134 @@
+/*
+* Copyright (c) 2006 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 context.
+*
+*/
+
+
+
+#ifndef C_ALFGC_H
+#define C_ALFGC_H
+
+#include <e32base.h>
+#include <gdi.h>
+
+#include <alf/alftimedvalue.h>
+#include <alf/alfrealline.h>
+
+struct TAlfRealLine;
+
+
+class CAlfTexture;
+class CAlfTextStyle;
+
+
+/** Horizontal alignment. */
+enum TAlfAlignHorizontal
+ {
+ EAlfAlignHLeft,
+ EAlfAlignHCenter,
+ EAlfAlignHRight,
+
+ /** Special alignment for localized text. This is converted to left or
+ right alignment internally. */
+ EAlfAlignHLocale,
+
+ /** Special alignment for localized text. This is the mirrored
+ alignment of the normal locale alignment. Converted to left or
+ right alignment internally. */
+ EAlfAlignHLocaleMirrored
+ };
+
+
+/** Vertical alignment. */
+enum TAlfAlignVertical
+ {
+ EAlfAlignVTop,
+ EAlfAlignVCenter,
+ EAlfAlignVBottom
+ };
+
+/** Polygon draw mode */
+enum TAlfPolygonDrawMode
+ {
+ ENoFill,
+ EFillNonZero,
+ EFillEvenOdd
+ };
+
+/**
+ * CAlfGc is a graphics context that is used for storing the state of the
+ * drawing tools.
+ *
+ */
+NONSHARABLE_CLASS(CAlfGc) : public CBase
+ {
+public:
+
+ /**
+ * Stretch modes.
+ */
+ enum TStretchMode
+ {
+ EStretchNone = 0, ///< Does not stretch
+ EStretchHorizontal, ///< Fits to horizontal width (left-right)
+ EStretchVertical, ///< Fits to vertical height
+ EStretchFull ///< Stretches the image to the full area of the visual, disregarding the original aspect ratio.
+
+ };
+
+public:
+
+ static CAlfGc* NewL();
+ ~CAlfGc();
+ void ActivateL();
+ HBufC8* CommandBuffer();
+ void Deactivate();
+
+ void DrawImage(const CAlfTexture& aTexture, const TAlfRealRect& aDestinationRect);
+ void DrawText(const TDesC& aText, const TAlfRealRect& aDestinationRect);
+ void DrawEllipse(const TAlfRealRect& aDestinationRect);
+ void DrawLines(const RArray<TReal32> & aLinesPointCords);
+ void DrawPoints(const RArray<TReal32> & aPointsCords);
+ void DrawPolygon(const RArray<TReal32> & aPolygonPointCords);
+ void DrawRects(const RArray<TReal32> & aRectPointCords);
+
+ // Setters
+ void SetTextStyle(const CAlfTextStyle& aTextStyle);
+ void SetPenColor(const TRgb& aColor);
+ void SetPenWidth(const TReal32& aWidth);
+ void SetOpacity(const TReal32& aOpacity);
+ void SetPolygonDrawMode(TAlfPolygonDrawMode aPolygonDrawMode);
+ void SetTextAlign(TAlfAlignHorizontal aAlignHorizontal, TAlfAlignVertical aAlignVertical);
+
+ // Transformations
+ void LoadIdentity();
+ void Translate(const TReal32& aX, const TReal32& aY, const TReal32& aZ);
+ void Scale(const TReal32& aX, const TReal32& aY, const TReal32& aZ);
+ void Rotate(const TReal32& aAngle, const TReal32& aX, const TReal32& aY, const TReal32& aZ);
+
+
+private:
+ CAlfGc();
+ void ConstructL();
+
+ void AppendCommand( TInt aCommand, const TDesC8& aParams );
+ void AppendCommandL( TInt aCommand, const TDesC8& aParams );
+
+private:
+ struct TAlfGcData;
+ TAlfGcData* iData;
+ };
+
+#endif