mango_engine.graphics.texture source code

1 /*
2  *  BSD 3-Clause License
3  *  
4  *  Copyright (c) 2016, Mango-Engine Team
5  *  All rights reserved.
6  *  
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions are met:
9  *  
10  *  * Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *  
13  *  * Redistributions in binary form must reproduce the above copyright notice,
14  *    this list of conditions and the following disclaimer in the documentation
15  *    and/or other materials provided with the distribution.
16  *  
17  *  * Neither the name of the copyright holder nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *  
21  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
25  *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 module mango_engine.graphics.texture;
33 
34 import mango_engine.mango;
35 import mango_engine.graphics.backend;
36 import mango_engine.graphics.opengl.gl_backend;
37 
38 class Texture {
39     immutable string filename;
40     immutable bool useAlpha;
41 
42     protected uint _width;
43     protected uint _height;
44 
45     /// The width of the texture in pixels.
46     @property uint width() @safe nothrow { return _width; }
47     /// The height of the texture in pixels.
48     @property uint height() @safe nothrow { return _height; }
49 
50     protected this(in string filename, in bool useAlpha = true) @safe nothrow {
51         this.filename = filename;
52         this.useAlpha = useAlpha;
53     }
54 
55     static Texture textureFactory(in string filename, in bool useAlpha, GraphicsBackendType backend) @safe {
56         import mango_engine.graphics.opengl.gl_texture : GLTexture;
57 
58         mixin(GenFactory!("Texture", "filename, useAlpha"));
59     }
60 
61     abstract void cleanup() @system;
62 }