ClanLib  2.3.7
texture_group.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** 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
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Kenneth Gangstoe
27 ** Magnus Norddahl
28 */
29 
32 
33 #pragma once
34 
35 #include "../api_display.h"
36 #include "../../Core/System/sharedptr.h"
37 
38 class CL_Size;
39 class CL_Rect;
40 class CL_Texture;
41 class CL_Subtexture;
42 class CL_TextureGroup_Impl;
43 class CL_GraphicContext;
44 
49 {
52 public:
55  {
57  search_previous_textures
58  };
59 
63 public:
66 
68  CL_TextureGroup(const CL_Size &texture_sizes);
69 
70  ~CL_TextureGroup();
71 
75 public:
76 
78  bool is_null() const { return !impl; }
79 
81  void throw_if_null() const;
82 
84  int get_subtexture_count() const;
85 
87  int get_subtexture_count(unsigned int texture_index) const;
88 
90  int get_texture_count() const;
91 
93  TextureAllocationPolicy get_texture_allocation_policy() const;
94 
96  CL_Size get_texture_sizes() const;
97 
99  std::vector<CL_Texture> get_textures() const;
100 
104 public:
106  CL_Subtexture add(CL_GraphicContext &context, const CL_Size &size);
107 
113  void remove(CL_Subtexture &subtexture);
114 
116  void set_texture_allocation_policy(TextureAllocationPolicy policy);
117 
122  void insert_texture(CL_Texture &texture, const CL_Rect &texture_rect);
123 
127 private:
128  CL_SharedPtr<CL_TextureGroup_Impl> impl;
130 };
131