1// SuperTux
2// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
3//
4// This program is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// This program is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17#ifndef HEADER_SUPERTUX_VIDEO_TEXTURE_MANAGER_HPP
18#define HEADER_SUPERTUX_VIDEO_TEXTURE_MANAGER_HPP
19
20#include <config.h>
21#include <map>
22#include <memory>
23#include <ostream>
24#include <set>
25#include <string>
26#include <vector>
27#include <boost/optional.hpp>
28
29#include "math/rect.hpp"
30#include "util/currenton.hpp"
31#include "video/sampler.hpp"
32#include "video/sdl_surface_ptr.hpp"
33#include "video/texture.hpp"
34#include "video/texture_ptr.hpp"
35
36class GLTexture;
37class ReaderMapping;
38struct SDL_Surface;
39
40class TextureManager final : public Currenton<TextureManager>
41{
42public:
43 friend class Texture;
44
45public:
46 TextureManager();
47 ~TextureManager();
48
49 TexturePtr get(const ReaderMapping& mapping, const boost::optional<Rect>& region = boost::none);
50 TexturePtr get(const std::string& filename);
51 TexturePtr get(const std::string& filename,
52 const boost::optional<Rect>& rect,
53 const Sampler& sampler = Sampler());
54
55 void debug_print(std::ostream& out) const;
56
57private:
58 const SDL_Surface& get_surface(const std::string& filename);
59 void reap_cache_entry(const Texture::Key& key);
60
61 TexturePtr create_image_texture(const std::string& filename, const Rect& rect, const Sampler& sampler);
62
63 /** on failure a dummy texture is returned and no exception is thrown */
64 TexturePtr create_image_texture(const std::string& filename, const Sampler& sampler);
65
66 /** throw an exception on error */
67 TexturePtr create_image_texture_raw(const std::string& filename, const Sampler& sampler);
68 TexturePtr create_image_texture_raw(const std::string& filename, const Rect& rect, const Sampler& sampler);
69
70 TexturePtr create_dummy_texture();
71
72private:
73 std::map<Texture::Key, std::weak_ptr<Texture> > m_image_textures;
74 std::map<std::string, SDLSurfacePtr> m_surfaces;
75
76private:
77 TextureManager(const TextureManager&) = delete;
78 TextureManager& operator=(const TextureManager&) = delete;
79};
80
81#endif
82
83/* EOF */
84