0e5d4c38a3
This class represents an affine 2D transformation and will be used in wxDC for now and maybe in wxGC later. Closes #13143. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67520 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/affinematrix2d.h
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// Purpose: wxAffineMatrix2D class.
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// Author: Based on wxTransformMatrix by Chris Breeze, Julian Smart
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// Created: 2011-04-05
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// Copyright: (c) wxWidgets team
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// Licence: wxWidgets licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_AFFINEMATRIX2D_H_
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#define _WX_AFFINEMATRIX2D_H_
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#include "wx/affinematrix2dbase.h"
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// A simple implementation of wxAffineMatrix2DBase interface done entirely in
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// wxWidgets.
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class WXDLLIMPEXP_CORE wxAffineMatrix2D : public wxAffineMatrix2DBase
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{
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public:
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wxAffineMatrix2D() : m_11(1), m_12(0),
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m_21(0), m_22(1),
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m_tx(0), m_ty(0)
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{
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}
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// Implement base class pure virtual methods.
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virtual void Set(const wxMatrix2D& mat2D, const wxPoint2DDouble& tr);
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virtual void Get(wxMatrix2D* mat2D, wxPoint2DDouble* tr) const;
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virtual void Concat(const wxAffineMatrix2DBase& t);
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virtual bool Invert();
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virtual bool IsIdentity() const;
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virtual bool IsEqual(const wxAffineMatrix2DBase& t) const;
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virtual void Translate(wxDouble dx, wxDouble dy);
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virtual void Scale(wxDouble xScale, wxDouble yScale);
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virtual void Rotate(wxDouble ccRadians);
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protected:
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virtual wxPoint2DDouble DoTransformPoint(const wxPoint2DDouble& p) const;
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virtual wxPoint2DDouble DoTransformDistance(const wxPoint2DDouble& p) const;
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private:
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wxDouble m_11, m_12, m_21, m_22, m_tx, m_ty;
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};
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#endif // _WX_AFFINEMATRIX2D_H_
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