render_interface.h

monqueror一个很具有参考价值的源玛

#include <mgloader.h>

/*
 * This file impliments the abstract graphic interface for khtml
 */
#ifndef		_RENDER_INTERFACE_H_
#define 	_RENDER_INTERFACE_H_

#define URL_STRINGMAXLENGTH 256

#include "render_cacheimage.h"
// plateform we possiblelly surpport
#define		_PLATFORM_MINIGUI	1
#define		_PLATFORM_QT		2
#define		_PLATFORM_WINDOWS	3

#define		_CURRENT_PLATFORM	_PLATFORM_MINIGUI

#if( _CURRENT_PLATFORM == _PLATFORM_MINIGUI )
#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>

#define		MSG_USER_MOVE_CHILD		(MSG_USER+0x100)

#endif

// for we must impliment string ourself
// so we currently use such as QString instead
#define MGString 		QString
#define MGChar 			QChar
#define MGPointArray	QPointArray
#define	MGURL			KRUL

class MGPixmap;
class MGSize;
class MGColor;
class MGFont;
class MGFontInfo;
class MGRect;
class MGPainter;
class MGFontMetrics;
class MGBitmap;
class MGPoint;
class MGBrush;
class MGWMatrix;
class MGColorGroup;
class MGHTMLView;
class MGWidget;

namespace DOM
{
    class CSSStyleSheetImpl;
    class DOMString;
};

// #include "loader.h"
#include "kurl.h"

class MG
{
public:
	// global const values
   	static const MGColor black;
	static const MGColor white;
    static const MGColor darkGray;
    static const MGColor gray;
    static const MGColor lightGray;
    static const MGColor red;
    static const MGColor green;
    static const MGColor blue;
    static const MGColor cyan;
    static const MGColor magenta;
    static const MGColor yellow;
    static const MGColor darkRed;
    static const MGColor darkGreen;
    static const MGColor darkBlue;
    static const MGColor darkCyan;
    static const MGColor darkMagenta;
    static const MGColor darkYellow;

#if( _CURRENT_PLATFORM == _PLATFORM_MINIGUI )
	static int g_nChildWndID;
#endif
		
	enum Weight { Light = 25, Normal = 50, DemiBold = 63, Bold = 75, Black = 87 };

	enum MGPenStyle {
		NoPen,
		SolidLine,
		DashLine,
		DotLine,
		DashDotLine,
		DashDotDotLne,
		MPenStyle = 0x0f
	};
	
	enum MGBrushStyle { // brush style
		NoBrush,
		SolidPattern,
		Dense1Pattern,
		Dense2Pattern,
		Dense3Pattern,
		Dense4Pattern,
		Dense5Pattern,
		Dense6Pattern,
		Dense7Pattern,
		HorPattern,
		VerPattern,
		CrossPattern,
		BDiagPattern,
		FDiagPattern,
		DiagCrossPattern,
		CustomPattern = 24
	};
	
    enum RasterOp { // raster op mode
		CopyROP,
		OrROP,
		XorROP,
		NotAndROP,
		EraseROP = NotAndROP,
		NotCopyROP,
		NotOrROP,
		NotXorROP,
		AndROP,
		NotEraseROP = AndROP,
		NotROP,
		ClearROP,
		SetROP,
		NopROP,
		AndNotROP,
		OrNotROP,
		NandROP,
		NorROP,	
		LastROP = NorROP
    };

    enum AlignmentFlags {
		AlignLeft	= 	0x0001,		// text alignment
		AlignRight	= 	0x0002,
		AlignHCenter= 	0x0004,
		AlignTop	= 	0x0008,
		AlignBottom	= 	0x0010,
		AlignVCenter= 	0x0020,
		AlignCenter	= 	AlignVCenter | AlignHCenter,


		SingleLine	= 	0x0040,		// misc. flags
		DontClip	= 	0x0080,
		ExpandTabs	= 	0x0100,
		ShowPrefix	= 	0x0200,
		WordBreak	= 	0x0400,
		DontPrint	= 	0x1000		// internal
	};

}; // namespace

#include "../css/css_valueimpl.h"
#include "../css/css_ruleimpl.h"
namespace khtml {

class CachedObject;
class MGDocLoader;
class MGCachedImage;
class RenderImage;
class MGImageLoader;
class DOM::CSSImageValueImpl;
class MGCachedCSSStyleSheet;
class MGCSSLoader;
class MGScriptLoader;
class DOM::CSSImportRuleImpl;


}; // namespace

class MGBitmap;
class MGBrush;

#include "mgcolor.h"
#include "mgsize.h"
#include "mgrect.h"
#include "mginlines.h"

class MGColorGroup;
class MGFont;
class MGFontInfo;
class MGFontMetrics;
class MGPainter;
class MGPen;
class MGPixmap;
class MGPoint;
class MGWMatrix;
class MGWidget;
class MGWidgetButton;
class MGWidgetRadio;
class MGWidgetEdit;
class MGWidgetEditPassword;
class MGWidgetStatic;
class MGWidgetParent;
class MGHTMLViewPrivate;
class MGHTMLView;

/*
 *  gloal draw functions
 */

void MGDrawShadePanel( MGPainter *p, int x, int y, int w, int h,
		      const MGColorGroup &, bool sunken=FALSE,
		      int lineWidth = 1, const MGBrush *fill = 0 );

void MGDrawShadePanel( MGPainter *p, const MGRect &r,
		      const MGColorGroup &, bool sunken=FALSE,
		      int lineWidth = 1, const MGBrush *fill = 0 );


#endif