ImageLoader.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24 
25 #ifndef CPP3DS_IMAGELOADER_HPP
26 #define CPP3DS_IMAGELOADER_HPP
27 
29 // Headers
31 #include <cpp3ds/Config.hpp>
32 #include <cpp3ds/System/NonCopyable.hpp>
33 #include <cpp3ds/System/Vector2.hpp>
34 #include <string>
35 #include <vector>
36 
37 
38 namespace cpp3ds
39 {
40 class InputStream;
41 
42 namespace priv
43 {
48 class ImageLoader : NonCopyable
49 {
50 public :
51 
58  static ImageLoader& getInstance();
59 
70  bool loadImageFromFile(const std::string& filename, std::vector<Uint8>& pixels, Vector2u& size);
71 
83  bool loadImageFromMemory(const void* data, std::size_t dataSize, std::vector<Uint8>& pixels, Vector2u& size);
84 
95  bool loadImageFromStream(InputStream& stream, std::vector<Uint8>& pixels, Vector2u& size);
96 
107  bool saveImageToFile(const std::string& filename, const std::vector<Uint8>& pixels, const Vector2u& size);
108 
109 private :
110 
115  ImageLoader();
116 
121  ~ImageLoader();
122 
134  bool writeJpg(const std::string& filename, const std::vector<Uint8>& pixels, unsigned int width, unsigned int height);
135 };
136 
137 } // namespace priv
138 
139 } // namespace cpp3ds
140 
141 
142 #endif