--- a/uifw/ganes/inc/HgVgHelper.h Thu Jul 29 14:21:56 2010 +0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,256 +0,0 @@
-/*
-* Copyright (c) 2009 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:
-*
-*/
-
-#ifndef HGVHELPER_H_
-#define HGVHELPER_H_
-
-// INCLUDES
-#include <e32base.h>
-#include <e32std.h>
-#include <gdi.h>
-#include <VG/openvg.h>
-
-// FORWARD DECLARATIONS
-class CFbsBitmap;
-class CHgVgEGL;
-class CGulIcon;
-
-#define RGBA(r, g, b, a) ((VGuint) (((r) << 24) | ((g) << 16) | ((b) << 8) | (a)))
-
-
-/**
- * Helper classes and methods for CHgVg* classes.
- */
-namespace HgVgHelper
-{
- /**--------------------------------------------------------------
- * Vertex and Matrix manipulations helper classes
- --------------------------------------------------------------*/
-
- // Forward declarations
- class TMatrix;
- class TVertex;
-
- /**
- * 3D Vertex class
- */
- class TVertex
- {
- public:
- // model coordinates
- VGfloat iX, iY, iZ;
-
- // transformed mode-view-coordinates
- VGfloat iTx, iTy, iTz;
-
- // projected screen coordinates
- VGfloat iScreenX;
- VGfloat iScreenY;
-
- /**
- * Projects model-view-coordinates to screen space coordinates.
- *
- * @param aScreenWidth width of the rendering window
- * @param aScreenHeight height of the rendering window
- * @param aFov field of view to use
- */
- void ProjectPoint(VGfloat aScreenWidth, VGfloat aScreenHeight, VGfloat aFov);
-
- /**
- * Transform model coordinates by matrix given and sets
- * result to tranformed model-view-coordinates.
- *
- * @param aMatrix model-view-transformation matrix.
- */
- void TransformPoint(const TMatrix& aMatrix);
- };
-
- /**
- * 4x4 Matrix class
- */
- class TMatrix
- {
- public:
- // matrix data
- VGfloat iM[4][4];
-
- // Construction and destruction.
- TMatrix();
- TMatrix(const TMatrix& rhs);
- ~TMatrix();
-
- // Operators
- TMatrix& operator=(const TMatrix& rhs);
-
- /**
- * Makes this matrix identity matrix.
- */
- void Identity();
-
- /**
- * Multiplies this matrix by rhs matrix.
- *
- * @param rhs Right hand side matrix.
- */
- void Multiply(const TMatrix& rhs);
-
- /**
- * Sets this matrix to rotation matrix around X-axis.
- *
- * @param aAngle angle in radians.
- */
- void RotationX(VGfloat aAngle);
-
- /**
- * Sets this matrix to rotation matrix around Y-axis.
- *
- * @param aAngle angle in radians.
- */
- void RotationY(VGfloat aAngle);
-
- /**
- * Sets this matrix to rotation matrix around Z-axis.
- *
- * @param aAngle angle in radians.
- */
- void RotationZ(VGfloat aAngle);
-
- /**
- * Sets this matrix to scale matrix.
- *
- * @param aSx scaling on X-axis
- * @param aSy scaling on Y-axis
- * @param aSz scaling on Z-axis
- */
- void Scale(VGfloat aSx, VGfloat aSy, VGfloat aSz);
-
- /**
- * Sets this matrix to translation matrix.
- *
- * @param aTx translation on X-axis.
- * @param aTy translation on Y-axis.
- * @param aTz translation on Z-axis.
- */
- void Translation(VGfloat aTx, VGfloat aTy, VGfloat aTz);
- };
-
- /**--------------------------------------------------------------
- * IMAGE HANDLING ROUTINES
- --------------------------------------------------------------*/
-
- /**
- * Creates VGImage from CGuiIcon.
- * May leave for example if runs out of video memory.
- *
- * @param aIcon valid CGuiIcon-object.
- * @return VGImage-object.
- */
- VGImage CreateVgImageFromIconL( const CGulIcon& aIcon );
-
-
- /**--------------------------------------------------------------
- * Misc. Helpers.
- --------------------------------------------------------------*/
-
- /**
- * Clamps value between lower and upper limits.
- *
- * @param aValue value.
- * @param aUpper upper limit.
- * @param aLower lower limit.
- * @return clamped value.
- */
- VGfloat Clamp(VGfloat aValue, VGfloat aUpper, VGfloat aLower);
-
- /**
- * Linearly interpolates value between start and end.
- *
- * @param aStart starting value.
- * @param aEnd ending value.
- * @param aT t value between 0.0f - 1.0f.
- */
- VGfloat Lerp(VGfloat aStart, VGfloat aEnd, VGfloat aT);
-
- /**
- * Gets values absolute.
- *
- * @param aValue value.
- * @return absolute of the value.
- */
- VGfloat Abs(VGfloat aValue);
-
-
- /**
- * Calculates bounding rect from points.
- *
- * @param aRect destination rect-object, rectangle in symbian screen coordinates.
- * @param aPoints source points in vg coordinates (x, y, x, y...).
- * @param aNumPoints number of points in aPoints.
- */
- void CalculateBoundingRect(TRect& aRect, VGfloat* aPoints, TInt aNumPoints,
- const TRect& aWindowRect);
-
-
- /**
- * Draws vg image to current vg surface.
- * NOTE: Assumes that the image is in vg coordinates.
- *
- * @param aImage image to draw.
- * @param aPos position where to draw (in symbian screen coordinates).
- * @param aWindowRect drawing windows rectangle.
- */
- void DrawImage(VGImage aImage, const TPoint& aPos, const TRect& aWindowRect, TBool aCentered = EFalse);
-
- /**
- * Draws vg image to current vg surface multiplying its colors by a color.
- * NOTE: Assumes that the image is in vg coordinates.
- *
- * @param aImage image to draw.
- * @param aColor color which is multiplied with image colors.
- * @param aPos position where the image is drawn (in sumbian screen coordinates)
- * @param aWindowRect drawing windows renctangle.
- */
- void DrawImageColorized(VGImage aImage, const TRgb& aColor,
- const TPoint& aPos, const TRect& aWindowRect, TBool aCentered = EFalse);
-
-
- /**
- * Wrapper for creating paths.
- *
- * @param aNumSegment
- * @param aSegments
- * @param aPoints
- */
- VGPath CreatePath(VGuint aNumSegments, const VGubyte* aSegments, const VGfloat* aPoints);
-
- /**
- * Wrapper for creating single color paints.
- *
- * @param aColor
- */
- VGPaint CreateColorPaint(const TRgb& aColor);
-
- /**
- * Wrapper for creating single color paints.
- *
- * @param aColor
- */
- VGPaint CreateColorPaint(const VGfloat* aColor);
-
- }
-
-#endif /* HGVGHELPER */