core/DesktopEditor/raster/Metafile/Wmf/WmfPlayer.h

/*
 * (c) Copyright Ascensio System SIA 2010-2019
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
#ifndef _METAFILE_WMF_WMFPLAYER_H
#define _METAFILE_WMF_WMFPLAYER_H

#include "WmfObjects.h"
#include "WmfClip.h"

#include <map>
#include <vector>

namespace MetaFile
{
	class CWmfDC;
	class CWmfFile;

	class CWmfPlayer
	{
	public:

		CWmfPlayer(CWmfFile* pFile);
		~CWmfPlayer();
		void Clear();
		CWmfDC* SaveDC();
		CWmfDC* RestoreDC();
		CWmfDC* GetDC();
		
		void RegisterObject(CWmfObjectBase* pObject);
		void SelectObject(unsigned short ushIndex);
		void SelectPalette(unsigned short ushIndex);
		void DeleteObject(unsigned short ushIndex);

	private:

		typedef std::map <unsigned int, CWmfObjectBase*> CWmfObjectMap;

		CWmfDC*                     m_pDC;
		std::vector<CWmfDC*>        m_vDCStack;
		CWmfFile*                   m_pFile;
		CWmfObjectMap               m_mObjects;
		unsigned short              m_ushIndex;
		std::vector<unsigned short> m_vAvailableIndexes;
	};

	class CWmfDC
	{
	public:
		CWmfDC();
		~CWmfDC();
		CWmfDC*        Copy();
		void           SetBrush(CWmfBrush* pBrush);
		void           RemoveBrush(CWmfBrush* pBrush);
		CWmfBrush*     GetBrush();				     
		void           SetPen(CWmfPen* pPen);
		void           RemovePen(CWmfPen* pPen);
		CWmfPen*       GetPen();
		void           SetPalette(CWmfPalette* pPalette);
		void           RemovePalette(CWmfPalette* pPalette);
		CWmfPalette*   GetPalette();
		void           SetFont(CWmfFont* pFont);
		void           RemoveFont(CWmfFont* pFont);
		CWmfFont*      GetFont();
		void           SetRegion(CWmfRegion* pRegion);
		void           RemoveRegion(CWmfRegion* pRegion);
		CWmfRegion*    GetRegion();
		void           SetMapMode(unsigned short ushMapMode);
		unsigned int   GetMapMode();
		double         GetPixelWidth();
		double         GetPixelHeight();
		TWmfWindow*    GetWindow();
		void           SetWindowOrg(short shX, short shY);
		void           SetWindowExt(short shW, short shH);
		void           SetWindowOff(short shX, short shY);
		void           SetWindowScale(double dX, double dY);
		TWmfWindow*    GetViewport();
		void           SetViewportOrg(short shX, short shY);
		void           SetViewportExt(short shW, short shH);
		void           SetViewportOff(short shX, short shY);
		void           SetViewportScale(double dX, double dY);
		void           SetTextColor(TWmfColor& oColor);
		TWmfColor&     GetTextColor();
		void           SetTextBgColor(TWmfColor& oColor);
		TWmfColor&     GetTextBgColor();
		TWmfPointS&    GetCurPos();
		void           SetCurPos(TWmfPointS& oPoint);
		void           SetCurPos(short shX, short shY);
		void           SetTextBgMode(unsigned short ushMode);
		unsigned short GetTextBgMode();
		void           SetLayout(unsigned short ushLayout);
		unsigned short GetLayout();
		void           SetPolyFillMode(unsigned short ushMode);
		unsigned short GetPolyFillMode();
		void           SetRop2Mode(unsigned short ushMode);
		unsigned short GetRop2Mode();
		void           SetStretchBltMode(unsigned short ushMode);
		unsigned short GetStretchBltMode();
		void           SetTextAlign(unsigned short ushTextAlign);
		unsigned short GetTextAlign();
		void           SetCharSpacing(unsigned short ushCharSpacing);
		unsigned short GetCharSpacing();
		TXForm*        GetTransform();
		TXForm*        GetInverseTransform();
		TXForm*        GetFinalTransform(int iGraphicsMode);
		unsigned int   GetMiterLimit();
		CWmfClip*      GetClip();

	private:

		void           SetPixelWidth(double dW);
		void           SetPixelHeight(double dH);
		bool           UpdatePixelMetrics();
		void           UpdateFinalTransform();

	private:

		CWmfBrush      m_oDefaultBrush;
		CWmfPen        m_oDefaultPen;
		CWmfBrush*     m_pBrush;
		CWmfPen*       m_pPen;
		CWmfPalette*   m_pPalette;
		CWmfFont*      m_pFont;
		CWmfRegion*    m_pRegion;
		unsigned short m_ushMapMode;
		double         m_dPixelWidth;
		double         m_dPixelHeight;
		TWmfWindow     m_oWindow;
		TWmfWindow     m_oViewport;
		TWmfColor      m_oTextColor;
		TWmfColor      m_oTextBgColor;
		TWmfPointS     m_oCurPos;
		unsigned short m_ushTextBgMode;
		unsigned short m_ushLayout;
		unsigned short m_ushPolyFillMode;
		unsigned short m_ushRop2Mode;
		unsigned short m_ushStretchBltMode;
		unsigned short m_ushTextAlign;
		unsigned short m_ushCharSpacing;
		TXForm         m_oTransform;
		TXForm         m_oFinalTransform;
		TXForm         m_oFinalTransform2;
		CWmfClip       m_oClip;
	};
}

#endif //_METAFILE_WMF_WMFPLAYER_H