1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef TITANIC_DIRECT_DRAW_SURFACE_H
24 #define TITANIC_DIRECT_DRAW_SURFACE_H
25 
26 #include "common/scummsys.h"
27 #include "common/array.h"
28 #include "graphics/managed_surface.h"
29 #include "titanic/support/rect.h"
30 
31 namespace Titanic {
32 
33 class TitanicEngine;
34 
35 struct DDSurfaceDesc {
36 	int _w;
37 	int _h;
38 	int _bpp;
39 	int _flags;
40 	int _caps;
41 
DDSurfaceDescDDSurfaceDesc42 	DDSurfaceDesc(int w, int h, int bpp) : _w(w), _h(h), _bpp(bpp),
43 		_flags(0x1006), _caps(64) {}
44 };
45 
46 class DirectDrawSurface {
47 private:
48 	Graphics::ManagedSurface *_surface;
49 	DisposeAfterUse::Flag _disposeAfterUse;
50 public:
51 	DirectDrawSurface();
52 	~DirectDrawSurface();
53 
54 	/**
55 	 * Create a surface
56 	 */
57 	void create(int w, int h, int bpp);
58 
59 	/**
60 	 * Create a surface based on a passed surface
61 	 */
62 	void create(Graphics::ManagedSurface *surface);
63 
64 	/**
65 	 * Frees the surface
66 	 */
67 	void free();
68 
69 	/**
70 	 * Return the size of the surface in ytes
71 	 */
getSize()72 	int getSize() const { return _surface->pitch * _surface->h; }
73 
74 	/**
75 	 * Return the surface width
76 	 */
getWidth()77 	int getWidth() const { return _surface->w; }
78 
79 	/**
80 	 * Return the surface width
81 	 */
getHeight()82 	int getHeight() const { return _surface->h; }
83 
84 	/**
85 	 * Return the surface pitch
86 	 */
getPitch()87 	int getPitch() const { return _surface->pitch; }
88 
89 	/**
90 	 * Return the surface's format
91 	 */
getFormat()92 	const Graphics::PixelFormat &getFormat() { return _surface->format; }
93 
94 	/**
95 	 * Lock the surface for access
96 	 */
97 	Graphics::ManagedSurface *lock(const Rect *bounds, int flags);
98 
99 	/**
100 	 * Unlocks the surface at the end of direct accesses
101 	 */
102 	void unlock();
103 
104 	/**
105 	 * Fills an area of the surfae with the specified color. If no bounds are passed,
106 	 * then the entire surface is filled
107 	 */
108 	void fill(const Rect *bounds, uint32 color);
109 
110 	/**
111 	 * Fill an area with a specific color
112 	 */
113 	void fillRect(Rect *rect, byte r, byte g, byte b);
114 
115 	/**
116 	 * Copy data from a source surfcae into this one
117 	 */
118 	void blit(const Rect &destRect, DirectDrawSurface *srcSurface, Rect &srcRect);
119 
120 	/**
121 	 * Copy data from a source surfcae into this one
122 	 */
123 	void blit(const Point &destPos, DirectDrawSurface *srcSurface, Rect *bounds);
124 };
125 
126 } // End of namespace Titanic
127 
128 #endif /* TITANIC_DIRECT_DRAW_SURFACE_H */
129