1 /*
2  * This source file is part of libRocket, the HTML/CSS Interface Middleware
3  *
4  * For the latest information, see http://www.librocket.com
5  *
6  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a copy
9  * of this software and associated documentation files (the "Software"), to deal
10  * in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12  * copies of the Software, and to permit persons to whom the Software is
13  * furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24  * THE SOFTWARE.
25  *
26  */
27 
28 #ifndef ROCKETCORETEXTURE_H
29 #define ROCKETCORETEXTURE_H
30 
31 #include "Header.h"
32 #include "Types.h"
33 
34 namespace Rocket {
35 namespace Core {
36 
37 class TextureResource;
38 class RenderInterface;
39 
40 /**
41 	Abstraction of a two-dimensional texture image, with an application-specific texture handle.
42 
43 	@author Peter Curry
44  */
45 
46 struct ROCKETCORE_API Texture
47 {
48 public:
49 	/// Constructs an unloaded texture with no resource.
50 	Texture();
51 	/// Constructs a texture sharing the resource of another.
52 	Texture(const Texture&);
53 	~Texture();
54 
55 	/// Attempts to load a texture.
56 	/// @param[in] source The name of the texture.
57 	/// @param[in] source_path The path of the resource that is requesting the texture (ie, the RCSS file in which it was specified, etc).
58 	/// @return True if the texture loaded successfully, false if not.
59 	bool Load(const String& source, const String& source_path = "");
60 
61 	/// Returns the texture's source name. This is usually the name of the file the texture was loaded from.
62 	/// @return The name of the this texture's source. This will be the empty string if this texture is not loaded.
63 	String GetSource() const;
64 	/// Returns the texture's handle.
65 	/// @param[in] The render interface that is requesting the handle.
66 	/// @return The texture's handle. This will be NULL if the texture isn't loaded.
67 	TextureHandle GetHandle(RenderInterface* render_interface) const;
68 	/// Returns the texture's dimensions.
69 	/// @param[in] The render interface that is requesting the dimensions.
70 	/// @return The texture's dimensions. This will be (0, 0) if the texture isn't loaded.
71 	Vector2i GetDimensions(RenderInterface* render_interface) const;
72 
73 	/// Releases this texture's resource (if any), and sets it to another texture's resource.
74 	const Texture& operator=(const Texture&);
75 
76 private:
77 	TextureResource* resource;
78 };
79 
80 }
81 }
82 
83 #endif
84