/* AbiSource Application Framework
 * Copyright (C) 1998 AbiSource, Inc.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */

#ifndef XAP_UNIXPSGRAPHICS_H
#define XAP_UNIXPSGRAPHICS_H

#include "ut_vector.h"
#include "gr_Graphics.h"
#include "ut_misc.h"

#include "xap_UnixFont.h"
#include "xap_UnixFontManager.h"

#include "xap_UnixPSFont.h"
#include "xap_UnixPSGenerate.h"

class UT_ByteBuf;

/*****************************************************************/
/*****************************************************************/

class PS_Graphics : public GR_Graphics
{
public:
	/* TODO add other constructors to route to lp/lpr rather than a file */
	PS_Graphics(const char * szFilename,
				const char * szTitle,
				const char * szSoftwareNameAndVersion,
				XAP_UnixFontManager * fontManager,
				UT_Bool		 bIsFile,
				XAP_App *pApp);
	virtual ~PS_Graphics();

	virtual void drawChars(const UT_UCSChar* pChars, 
						   int iCharOffset, int iLength,
						   UT_sint32 xoff, UT_sint32 yoff);
	virtual void setFont(GR_Font* pFont);

	virtual UT_uint32 getFontAscent();
	virtual UT_uint32 getFontDescent();
	virtual UT_uint32 getFontHeight();
	
	// virtual UT_uint32 measureString(const UT_UCSChar*s, int iOffset, int num, unsigned short* pWidths);
	virtual UT_uint32 measureUnRemappedChar(const UT_UCSChar c);
	
	virtual void setColor(UT_RGBColor& clr);
	virtual GR_Font* getGUIFont();
	virtual GR_Font* findFont(const char* pszFontFamily, 
							  const char* pszFontStyle, 
							  const char* pszFontVariant, 
							  const char* pszFontWeight, 
							  const char* pszFontStretch, 
							  const char* pszFontSize);
	virtual void drawLine(UT_sint32 x1, UT_sint32 y1, UT_sint32 x2, UT_sint32 y2);
	virtual void setLineWidth(UT_sint32);
	virtual void xorLine(UT_sint32, UT_sint32, UT_sint32, UT_sint32);
	virtual void polyLine(UT_Point * pts, UT_uint32 nPoints);
	virtual void fillRect(UT_RGBColor& c, UT_sint32 x, UT_sint32 y, UT_sint32 w, UT_sint32 h);
	virtual void fillRect(UT_RGBColor& c, UT_Rect &r);
	virtual void invertRect(const UT_Rect*);
	virtual void setClipRect(const UT_Rect*);
	virtual void scroll(UT_sint32, UT_sint32);
	virtual void scroll(UT_sint32 x_dest, UT_sint32 y_dest,
						UT_sint32 x_src, UT_sint32 y_src,
						UT_sint32 width, UT_sint32 height);
	virtual void clearArea(UT_sint32, UT_sint32, UT_sint32, UT_sint32);

	virtual void drawImage(GR_Image* pImg, UT_sint32 xDest, UT_sint32 yDest);
	virtual void drawRGBImage(GR_Image* pImg, UT_sint32 xDest, UT_sint32 yDest);
	virtual void drawGrayImage(GR_Image* pImg, UT_sint32 xDest, UT_sint32 yDest);
	virtual void drawBWImage(GR_Image* pImg, UT_sint32 xDest, UT_sint32 yDest);	
   	virtual GR_Image* createNewImage(const char* pszName, const UT_ByteBuf* pBBPNG, UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight, GR_Image::GRType iType);
	
	virtual UT_Bool queryProperties(GR_Graphics::Properties gp) const;
	
	virtual UT_Bool startPrint(void);
	virtual UT_Bool startPage(const char * szPagelabel, UT_uint32 pageNumber,
							  UT_Bool bPortrait, UT_uint32 iWidth, UT_uint32 iHeight);
	virtual UT_Bool endPrint(void);

	virtual void setColorSpace(GR_Graphics::ColorSpace c);
	virtual GR_Graphics::ColorSpace getColorSpace(void) const;
	
	virtual void setCursor(GR_Graphics::Cursor c);
	virtual GR_Graphics::Cursor getCursor(void) const;

	virtual void					setColor3D(GR_Color3D c);
	virtual UT_RGBColor *			getColor3D(GR_Color3D c);
	virtual void fillRect(GR_Color3D c, UT_sint32 x, UT_sint32 y, UT_sint32 w, UT_sint32 h);
	virtual void fillRect(GR_Color3D c, UT_Rect &r);

protected:
	UT_uint32		_scale(UT_uint32 units) const;
	UT_Bool			_startDocument(void);
	UT_Bool			_startPage(const char * szPageLabel, UT_uint32 pageNumber,
							   UT_Bool bPortrait, UT_uint32 iWidth, UT_uint32 iHeight);
	UT_Bool			_endPage(void);
	UT_Bool			_endDocument(void);
	void			_emit_DocumentNeededResources(void);
	void			_emit_IncludeResource(void);
	void			_emit_PrologMacros(void);
	void			_emit_FontMacros(void);
	void			_emit_SetFont(void);
	void                    _emit_SetFont(PSFont *pFont);
	void			_emit_SetLineWidth(void);
	void 			_emit_SetColor(void);
	virtual UT_uint32 _getResolution(void) const;

	UT_Vector		m_vecFontList;
	PSFont *		m_pCurrentFont;
	UT_RGBColor		m_currentColor;
	ps_Generate *	m_ps;
	const char *	m_szFilename;
	const char *	m_szTitle;
	const char *	m_szSoftwareNameAndVersion;
	UT_Bool			m_bStartPrint;
	UT_Bool			m_bStartPage;
	UT_Bool			m_bNeedStroked;
	UT_Bool			m_bIsFile;
	UT_sint32		m_iLineWidth;

	GR_Graphics::ColorSpace	m_cs;
	
	XAP_UnixFontManager *	m_fm;

	PSFont *findMatchPSFontCJK(PSFont * pFont);
	void drawCharsCJK(const UT_UCSChar* pChars, int iCharOffset, 
								 int iLength, UT_sint32 xoff, UT_sint32 yoff);
	void explodePSFonts(PSFont*& non_cjk_font,PSFont*& cjk_font);
};

#endif /* XAP_UNIXPSGRAPHICS_H */