/* Abiword
 * 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 GR_UNIXGRAPHICS_H
#define GR_UNIXGRAPHICS_H

#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include "xap_UnixApp.h"
#include "xap_UnixFont.h"
#include "gr_Graphics.h"

class UT_ByteBuf;

class GR_UnixGraphics : public GR_Graphics
{
 public:
	GR_UnixGraphics(GdkWindow * win, XAP_UnixFontManager * fontManager, XAP_App *app);
	~GR_UnixGraphics();

    // HACK: I need more speed
	virtual void        drawChar(UT_UCSChar Char, UT_sint32 xoff, UT_sint32 yoff);
	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	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 UT_uint32	getFontAscent();
	virtual UT_uint32	getFontDescent();
	virtual void		drawLine(UT_sint32, UT_sint32, UT_sint32, UT_sint32);
	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* pRect);
	virtual void		setClipRect(const UT_Rect* pRect);
	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 GR_Image*	createNewImage(const char* pszName, const UT_ByteBuf* pBB,
					       UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight,
					       GR_Image::GRType = GR_Image::GRT_Raster);
  
	virtual bool		queryProperties(GR_Graphics::Properties gp) const;
	virtual bool		startPrint(void);
	virtual bool		startPage(const char * szPageLabel, UT_uint32 pageNumber,
								  bool bPortrait, UT_uint32 iWidth, UT_uint32 iHeight);
	virtual bool		endPrint(void);

	virtual void		flush(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);
	void				init3dColors(GtkStyle * pStyle);
	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);
	
	virtual void		polygon(UT_RGBColor& c,UT_Point *pts,UT_uint32 nPoints);
	


 protected:
	virtual UT_uint32 	_getResolution(void) const;
	void				_setColor(GdkColor & c);

	XAP_UnixFontManager * 	m_pFontManager;
	GdkGC*       			m_pGC;
	GdkGC*  	      		m_pXORGC;
	GdkWindow*  	  		m_pWin;

	// our currently requested font by handle
	XAP_UnixFontHandle *	m_pFont;

	// Current GDK fonts corresponding to this. Calling m_pFont->explodeGdkFont
	// causes gdk_font_load to be called and memory to be allocated. This should
	// not happen on every draw
	GdkFont * m_pSingleByteFont, * m_pMultiByteFont;

	// our "OEM" system font, like a 10 point Helvetica for GUI items
	static XAP_UnixFontHandle *	s_pFontGUI;
	static UT_uint32		s_iInstanceCount;
  
	GdkColormap* 	 		m_pColormap;
	int          			m_iWindowHeight, m_iWindowWidth;
	UT_sint32				m_iLineWidth;
	GR_Graphics::Cursor		m_cursor;

	GR_Graphics::ColorSpace	m_cs;
	
	GdkColor				m_3dColors[COUNT_3D_COLORS];
};

#endif /* GR_UNIXGRAPHICS_H */
