Shape.h revision db1ef05a
1/*
2 * Copyright 2002-2010 Haiku, Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef _SHAPE_H
6#define _SHAPE_H
7
8
9#include <Archivable.h>
10
11
12class BPoint;
13class BRect;
14class BShape;
15
16namespace BPrivate {
17	class ServerLink;
18	class PicturePlayer;
19};
20
21
22class BShapeIterator {
23public:
24								BShapeIterator();
25	virtual						~BShapeIterator();
26
27	virtual	status_t			IterateMoveTo(BPoint* point);
28	virtual	status_t			IterateLineTo(int32 lineCount,
29									BPoint* linePoints);
30	virtual	status_t			IterateBezierTo(int32 bezierCount,
31									BPoint* bezierPoints);
32	virtual	status_t			IterateClose();
33
34	virtual	status_t			IterateArcTo(float& rx, float& ry,
35									float& angle, bool largeArc,
36									bool counterClockWise, BPoint& point);
37
38			status_t			Iterate(BShape* shape);
39
40private:
41	virtual	void				_ReservedShapeIterator2();
42	virtual	void				_ReservedShapeIterator3();
43	virtual	void				_ReservedShapeIterator4();
44
45			uint32				reserved[4];
46};
47
48
49class BShape : public BArchivable {
50public:
51								BShape();
52								BShape(const BShape& other);
53								BShape(BMessage* archive);
54	virtual						~BShape();
55
56	static	BArchivable*		Instantiate(BMessage* archive);
57	virtual	status_t			Archive(BMessage* archive,
58									bool deep = true) const;
59
60			BShape&				operator=(const BShape& other);
61
62			bool				operator==(const BShape& other) const;
63			bool				operator!=(const BShape& other) const;
64
65			void				Clear();
66			BRect				Bounds() const;
67			BPoint				CurrentPosition() const;
68
69			status_t			AddShape(const BShape* other);
70
71			status_t			MoveTo(BPoint point);
72			status_t			LineTo(BPoint linePoint);
73			status_t			BezierTo(BPoint controlPoints[3]);
74			status_t			BezierTo(const BPoint& control1,
75									const BPoint& control2,
76									const BPoint& endPoint);
77			status_t			ArcTo(float rx, float ry,
78									float angle, bool largeArc,
79									bool counterClockWise,
80									const BPoint& point);
81			status_t			Close();
82
83private:
84	// FBC padding
85	virtual	status_t			Perform(perform_code code, void* data);
86
87	virtual	void				_ReservedShape1();
88	virtual	void				_ReservedShape2();
89	virtual	void				_ReservedShape3();
90	virtual	void				_ReservedShape4();
91
92private:
93	friend class BShapeIterator;
94	friend class BView;
95	friend class BFont;
96	friend class BPrivate::PicturePlayer;
97	friend class BPrivate::ServerLink;
98
99			void				GetData(int32* opCount, int32* ptCount,
100									uint32** opList, BPoint** pointsList);
101			void				SetData(int32 opCount, int32 ptCount,
102									const uint32* opList,
103									const BPoint* pointsList);
104			void				InitData();
105			bool				AllocatePts(int32 count);
106			bool				AllocateOps(int32 count);
107
108private:
109			uint32				fState;
110			uint32				fBuildingOp;
111			void*				fPrivateData;
112
113			uint32				reserved[4];
114};
115
116
117#endif // _SHAPE_H
118