PicturePlayer.h revision ce27f961
1/*
2 * Copyright 2001-2007, Haiku Inc.
3 * Distributed under the terms of the MIT License.
4 *
5 * Authors:
6 *		Marc Flerackers (mflerackers@androme.be)
7 *		Stefano Ceccherini (stefano.ceccherini@gmail.com)
8 *		Marcus Overhagen (marcus@overhagen.de)
9 */
10#ifndef	_PICTURE_PLAYER_H
11#define	_PICTURE_PLAYER_H
12
13/*!	PicturePlayer is used to play picture data. */
14
15
16#include <GraphicsDefs.h>
17#include <InterfaceDefs.h>
18#include <Point.h>
19#include <Rect.h>
20
21
22class BAffineTransform;
23class BList;
24class BPicture;
25class BShape;
26
27
28namespace BPrivate {
29
30
31struct picture_player_callbacks {
32	void (*move_pen_by)(void* userData, const BPoint& where);
33	void (*stroke_line)(void* userData, const BPoint& start, const BPoint& end);
34	void (*draw_rect)(void* userData, const BRect& rect, bool fill);
35	void (*draw_round_rect)(void* userData, const BRect& rect,
36		const BPoint& radii, bool fill);
37	void (*draw_bezier)(void* userData, size_t numControlPoints,
38		const BPoint controlPoints[], bool fill);
39	void (*draw_arc)(void* userData, const BPoint& center, const BPoint& radii,
40		float startTheta, float arcTheta, bool fill);
41	void (*draw_ellipse)(void* userData, const BRect& rect, bool fill);
42	void (*draw_polygon)(void* userData, size_t numPoints,
43		const BPoint points[], bool isClosed, bool fill);
44	void (*draw_shape)(void* userData, const BShape& shape, bool fill);
45	void (*draw_string)(void* userData, const char* string, size_t length,
46		float spaceEscapement, float nonSpaceEscapement);
47	void (*draw_pixels)(void* userData, const BRect& source,
48		const BRect& destination, uint32 width, uint32 height,
49		size_t bytesPerRow, color_space pixelFormat, uint32 flags,
50		const void* data, size_t length);
51	void (*draw_picture)(void* userData, const BPoint& where, int32 token);
52	void (*set_clipping_rects)(void* userData, size_t numRects,
53		const BRect rects[]);
54	void (*clip_to_picture)(void* userData, int32 token,
55		const BPoint& where, bool clipToInverse);
56	void (*push_state)(void* userData);
57	void (*pop_state)(void* userData);
58	void (*enter_state_change)(void* userData);
59	void (*exit_state_change)(void* userData);
60	void (*enter_font_state)(void* userData);
61	void (*exit_font_state)(void* userData);
62	void (*set_origin)(void* userData, const BPoint& origin);
63	void (*set_pen_location)(void* userData, const BPoint& location);
64	void (*set_drawing_mode)(void* userData, drawing_mode mode);
65	void (*set_line_mode)(void* userData, cap_mode capMode, join_mode joinMode,
66		float miterLimit);
67	void (*set_pen_size)(void* userData, float size);
68	void (*set_fore_color)(void* userData, const rgb_color& color);
69	void (*set_back_color)(void* userData, const rgb_color& color);
70	void (*set_stipple_pattern)(void* userData, const pattern& patter);
71	void (*set_scale)(void* userData, float scale);
72	void (*set_font_family)(void* userData, const char* familyName,
73		size_t length);
74	void (*set_font_style)(void* userData, const char* styleName,
75		size_t length);
76	void (*set_font_spacing)(void* userData, uint8 spacing);
77	void (*set_font_size)(void* userData, float size);
78	void (*set_font_rotation)(void* userData, float rotation);
79	void (*set_font_encoding)(void* userData, uint8 encoding);
80	void (*set_font_flags)(void* userData, uint32 flags);
81	void (*set_font_shear)(void* userData, float shear);
82	void (*set_font_face)(void* userData, uint16 face);
83	void (*set_blending_mode)(void* userData, source_alpha alphaSourceMode,
84		alpha_function alphaFunctionMode);
85	void (*set_transform)(void* userData, const BAffineTransform& transform);
86};
87
88
89class PicturePlayer {
90public:
91	PicturePlayer();
92	PicturePlayer(const void* data, size_t size, BList* pictures);
93	virtual	~PicturePlayer();
94
95	status_t	Play(void** callbacks, int32 tableEntries,
96					void* userData);
97	status_t	Play(const picture_player_callbacks& callbacks,
98					size_t callbacksSize, void* userData);
99
100private:
101	status_t	_Play(const picture_player_callbacks& callbacks, void* userData,
102					const void* data, size_t length, uint16 parentOp);
103
104	const void*	fData;
105	size_t		fSize;
106	BList*		fPictures;
107};
108
109} // namespace BPrivate
110
111#endif // _PICTURE_PLAYER_H
112