xref: /haiku/src/libs/icon/transformer/AffineTransformer.h (revision 9ecf9d1c1d4888d341a6eac72112c72d1ae3a4cb)
1 /*
2  * Copyright 2006, Haiku.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Stephan Aßmus <superstippi@gmx.de>
7  */
8 
9 #ifndef AFFINE_TRANSFORMER_H
10 #define AFFINE_TRANSFORMER_H
11 
12 #include <agg_conv_transform.h>
13 #include <agg_trans_affine.h>
14 
15 #include "Transformer.h"
16 
17 typedef agg::conv_transform<VertexSource,
18 							agg::trans_affine>	Affine;
19 
20 class AffineTransformer : public Transformer,
21 						  public Affine,
22 						  public agg::trans_affine {
23  public:
24 	enum {
25 		archive_code	= 'affn',
26 	};
27 
28 								AffineTransformer(
29 									VertexSource& source);
30 #ifdef ICON_O_MATIC
31 								AffineTransformer(
32 									VertexSource& source,
33 									BMessage* archive);
34 #endif
35 	virtual						~AffineTransformer();
36 
37 	virtual	Transformer*		Clone(VertexSource& source) const;
38 
39 	virtual	void				rewind(unsigned path_id);
40     virtual	unsigned			vertex(double* x, double* y);
41 
42 	virtual	void				SetSource(VertexSource& source);
43 
44 	virtual	double				ApproximationScale() const;
45 
46 #ifdef ICON_O_MATIC
47 	// IconObject interface
48 	virtual	status_t			Archive(BMessage* into,
49 										bool deep = true) const;
50 
51 	virtual	PropertyObject*		MakePropertyObject() const;
52 	virtual	bool				SetToPropertyObject(
53 									const PropertyObject* object);
54 #endif
55 };
56 
57 #endif // AFFINE_TRANSFORMER_H
58