svgtopt/gfx2d/inc/GfxAffineTransform.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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* Copyright (c) 2002 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:  Graphics Extension Library header file
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*
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*/
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#ifndef GFXAFFINETRANSFORM_H
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#define GFXAFFINETRANSFORM_H
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#include <e32std.h>
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#include <e32base.h>
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#include "GfxFloatFixPt.h"
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// These constants are used because enumeration cannot
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// accept bit operation
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const TInt32 KTransformIdentity = 0;
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const TInt32 KTransformTranslate = 1;
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const TInt32 KTransformScale = 2;
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const TInt32 KTransformShear = 4;
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typedef TFloatFixPt TMatrixElType;
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typedef TUint32     TGfxTransformType;
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class TGfxAffineTransform;
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class CGfxShape;
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class TGfxPoint2D;
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/**
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 * This class implements operations of a 2D transform matrix.
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 *
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 *  @lib Gfx2D.lib
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 *  @since 1.0
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 */
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class TGfxAffineTransform
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    {
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    public:
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        /**
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         * Construct an identity matrix.
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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                                    TGfxAffineTransform();
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        /**
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         * Constructor.
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         *
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         * @since 1.0
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         * @param aM00 : row 0, column 0 value of matrix.
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         * @param aM10 : row 1, column 0 value of matrix.
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         * @param aM01 : row 0, column 1 value of matrix.
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         * @param aM11 : row 1, column 1 value of matrix.
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         * @param aM02 : row 0, column 2 value of matrix.
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         * @param aM12 : row 1, column 2 value of matrix.
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         * @return
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         */
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                                    TGfxAffineTransform( TReal32 aM00,
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                                                                 TReal32 aM10,
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                                                                 TReal32 aM01,
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                                                                 TReal32 aM11,
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                                                                 TReal32 aM02,
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                                                                 TReal32 aM12 );
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        /**
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         * Return a TGfxAffineTransform object with the rotation info
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         * of the given angle applied.
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         *
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         * @since 1.0
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         * @param aTheta : angle to create a rotation affine transform.
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         * @return
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         */
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         static TGfxAffineTransform GetRotateInstance( TReal32 aTheta );
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        /**
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         * Return a TGfxAffineTransform object with the rotation info
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         * of the given angle, rotated at the given point.
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         *
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         * @since 1.0
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         * @param aTheta : angle to create a rotation affine transform.
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         * @param aX : x value of rotation center.
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         * @param aY : x value of rotation center.
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         * @return
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         */
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         static TGfxAffineTransform GetRotateInstance( TReal32 aTheta,
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                                                               const TFloatFixPt& aX,
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                                                               const TFloatFixPt& aY );
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/**
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         * Return a TGfxAffineTransform object with the zoom info
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         * of the given scalefactor, scaled at the given point.
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         *
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         * @since 1.0
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         * @param aScaleFactor : scaling factor
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         * @param aX : x value of scaling center.
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         * @param aY : x value of scaling center.
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         * @return
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         */
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         static TGfxAffineTransform GetZoomInstance( TReal32 aScaleFactor,
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                                                               const TFloatFixPt& aX,
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                                                               const TFloatFixPt& aY );
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        /**
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         * Return a TGfxAffineTransform object with the scaling info
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         * applied.
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         *
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         * @since 1.0
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         * @param aSx : scaling factor in the x axis.
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         * @param aSy : scaling factor in the y axis.
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         * @return
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         */
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         static TGfxAffineTransform GetScaleInstance( TReal32 aSx,
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                                                              TReal32 aSy );
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        /**
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         * Return a TGfxAffineTransform object with the shearing info
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         * applied.
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         *
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         * @since 1.0
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         * @param aShx : shearing factor in the x axis.
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         * @param aShy : shearing factor in the y axis.
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         * @return
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         */
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         static TGfxAffineTransform GetShearInstance( TReal32 aShx,
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                                                              TReal32 aShy );
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        /**
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         * Return a TGfxAffineTransform object with the translation info
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         * applied.
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         *
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         * @since 1.0
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         * @param aTx : translation value in the x axis.
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         * @param aTy : translation value in the y axis.
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         * @return
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         */
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         static TGfxAffineTransform GetTranslateInstance( const TFloatFixPt& aTx,
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                                                                  const TFloatFixPt& aTy );
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        /**
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         * Return the determinate value of this matrix.
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         *
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         * @since 1.0
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         * @return the determinate value
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         */
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         TReal32                    Determinant() const;
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        /**
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         * Return wether this matrix is an indentity matrix.
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         *
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         * @since 1.0
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         * @return true if this matrix is an identity matrix.
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         */
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         TBool                      IsIdentity() const;
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        /**
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         * Return the scaling factor in the x axis.
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         *
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         * @since 1.0
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         * @return scaling factor in the x axis.
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         */
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         TReal32                    ScaleX() const;
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        /**
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         * Return the scaling factor in the y axis.
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         *
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         * @since 1.0
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         * @return scaling factor in the y axis.
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         */
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         TReal32                    ScaleY() const;
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        /**
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         * Return the shearing factor in the x axis.
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         *
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         * @since 1.0
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         * @return shearing factor in the x axis.
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         */
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         TReal32                    ShearX() const;
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        /**
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         * Return the shearing factor in the y axis.
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         *
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         * @since 1.0
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         * @return shearing factor in the y axis.
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         */
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         TReal32                    ShearY() const;
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        /**
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         * Return the translation value in the x axis.
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         *
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         * @since 1.0
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         * @return translation value in the x axis.
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         */
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         TReal32                    TranslateX() const;
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        /**
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         * Return the translation value in the y axis.
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         *
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         * @since 1.0
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         * @return translation value in the y axis.
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         */
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         TReal32                    TranslateY() const;
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        /**
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         * Create the inverse tranformation matrix of this matrix.
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         *
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         * @since 1.0
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         * @return inverse matrix.
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         */
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         TGfxAffineTransform        CreateInverse();
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        /**
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         * Muliply this given matrix with this matrix.
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         *
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         * @since 1.0
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         * @return
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         */
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         void                       Concatenate( const TGfxAffineTransform& aTransform );
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        /**
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         * Appends this transform with the existing transform
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         * Multiply in reverse order
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         * For Ex:  In cases of zoom, rotate and pan of already transformed content.
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         * If T is the existing transform and zoom operation has to be applied to it
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         * the resultant transform would be Z*T.
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         * @since 1.0
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         * @return
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         */
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         void                       AppendTransform( const TGfxAffineTransform& aTransform );
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        /**
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         * Apply the given rotation angle to this matrix.
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         *
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         * @since 1.0
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         * @param aTheta : angle of rotation
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         * @return
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         */
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         void                       Rotate( TReal32 aTheta );
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        /**
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         * Apply the given rotation angle about this given point to this matrix.
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         *
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         * @since 1.0
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         * @param aTheta : angle of rotation
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         * @param aX : x coordinate for center of rotation.
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         * @param aY : y coordinate for center of rotation.
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         * @return
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         */
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         void                       Rotate( TReal32 aTheta,
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                                                    const TFloatFixPt& aX,
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                                                    const TFloatFixPt& aY );
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        /**
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         * Apply the given rotation angle about this given point to this matrix.
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         *
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         * @since 1.0
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         * @param aTheta : angle of rotation
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         * @param aX : x coordinate for center of rotation.
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         * @param aY : y coordinate for center of rotation.
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         * @return
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         */
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         void                       UserRotate( TReal32 aTheta,
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                                                    const TFloatFixPt& aX,
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                                                    const TFloatFixPt& aY );
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        /*
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         * Apply the given scaling factor for this given point to this matrix.
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         *
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         *
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         * @since 1.0
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         * @param aScaleFactor : scaling factor
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         * @param aX : x value of scaling center.
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         * @param aY : x value of scaling center.
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         * @return
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         */
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   296
       
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         void                       UserZoom( TReal32 aScaleFactor,
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                                                    const TFloatFixPt& aX,
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                                                    const TFloatFixPt& aY );
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   301
        /**
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   302
         * Apply the given scale factors to this matrix.
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         *
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         * @since 1.0
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         * @param aSx : scaling factor in the x axis.
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         * @param aSy : scaling factor in the y axis.
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         * @return
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         */
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         void                       Scale( TReal32 aSx, TReal32 aSy );
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   310
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   311
        /**
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   312
         * Apply the given translation values to this matrix.
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   313
         *
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         * @since 1.0
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   315
         * @param aTx : translation value in the x axis.
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         * @param aTy : translation value in the y axis.
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         * @return
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   318
         */
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   319
         void                       Translate( const TFloatFixPt& aTx,
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   320
                                                       const TFloatFixPt& aTy );
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   321
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parents:
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   322
        /**
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   323
         * Apply the given translation values to this matrix.
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parents:
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   324
         *
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   325
         * @since 1.0
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   326
         * @param aTx : translation value in the x axis.
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         * @param aTy : translation value in the y axis.
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         * @return
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         */
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   330
         void                       UserPan( const TFloatFixPt& aTx,
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   331
                                                       const TFloatFixPt& aTy );
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   332
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parents:
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   333
        /**
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   334
         * Apply the given shearing values to this matrix.
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parents:
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   335
         *
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   336
         * @since 1.0
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parents:
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   337
         * @param aTx : shearing value in the x axis.
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parents:
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   338
         * @param aTy : shearing value in the y axis.
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   339
         * @return
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   340
         */
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parents:
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   341
         void                       Shear( TReal32 aShX, TReal32 aShY );
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   342
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parents:
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   343
        /**
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   344
         * Set the transformation info of this matrix to the given values.
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   345
         *
d46562c3d99d Revision: 200951
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parents:
diff changeset
   346
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
         * @param aM00 : row 0, column 0 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
         * @param aM10 : row 1, column 0 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
         * @param aM01 : row 0, column 1 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
         * @param aM11 : row 1, column 1 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
         * @param aM02 : row 0, column 2 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
         * @param aM12 : row 1, column 2 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
         void                       SetTransform( TReal32 aM00,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
                                                          TReal32 aM10,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
                                                          TReal32 aM01,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
                                                          TReal32 aM11,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
                                                          TReal32 aM02,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
                                                          TReal32 aM12 );
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
         * Apply the transformation described by this matrix to the
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
         * array of TGfxPoint2D.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
         * @param aSrcPts : array of TGfxPoint2D values to transform.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
         * @param aDstPts : array to store transformed points.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
         * @param aNumPts : number of points to transform.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
         void                       Transform( TGfxPoint2D* aSrcPts,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
                                                       TGfxPoint2D* aDstPts,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
                                                       TInt32 aNumPts ) const;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
         * Apply the transformation described by this matrix to the
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
         * array of TFloatFixPt.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
         * @param aSrcPts : array of TFloatFixPt values to transform.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
         * @param aDstPts : array to store transformed points.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
         * @param aNumPts : number of points to transform.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
         void                       Transform( TFloatFixPt* aSrcPts,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
                                                       TFloatFixPt* aDstPts,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
                                                       TInt32 aNumPts ) const;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
         * Apply the transformation described by this matrix to the
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
         * array of TFloatFixPt.  Old values are replaced.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
         * @param aSrcPts : array of TFloatFixPt values to transform.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
         * @param aNumPts : number of points to transform.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
         void                       Transform( TFloatFixPt* aSrcDstPts,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
                                                       TInt32 aNumPts ) const;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
         * Return the transformation type of this matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
         * @return transformation type
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
        TUint32 TransformType();
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
         void Print();
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
         * Get the scaling factor set in this transform.  This function returns correctly
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
         * for a uniform scaling in both directions only.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
         TFloatFixPt ScalingFactor() const;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
    private:
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
         * Constructor.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
         * @param aM00 : row 0, column 0 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
         * @param aM10 : row 1, column 0 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
         * @param aM01 : row 0, column 1 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
         * @param aM11 : row 1, column 1 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
         * @param aM02 : row 0, column 2 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
         * @param aM12 : row 1, column 2 value of matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
         * @param aType : transform type.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
                            TGfxAffineTransform( TReal32 aM00,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
                                                 TReal32 aM10,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
                                                 TReal32 aM01,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
                                                 TReal32 aM11,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
                                                 TReal32 aM02,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
                                                 TReal32 aM12,
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
                                                 TGfxTransformType aType );
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
         * Update this matrix.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
        void                UpdateState();
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
        /**
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
         * The the the rotation info to the give angle.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
         *
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
         * @since 1.0
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
         * @return
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
         */
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
        void                SetToRotate( TReal32 aTheta );
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
	public:
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
        TFloatFixPt       iM00;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
        TFloatFixPt        iM10;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
        TFloatFixPt        iM01;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
        TFloatFixPt        iM11;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
        TFloatFixPt        iM02;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
        TFloatFixPt        iM12;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
        TGfxTransformType   iTransType;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    };
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
#endif      // GFXAFFINETRANSFORM_H