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00033 #pragma once
00034
00035 #include "../api_display.h"
00036 #include "../../Core/System/sharedptr.h"
00037
00038 class CL_Size;
00039 class CL_Rect;
00040 class CL_Texture;
00041 class CL_Subtexture;
00042 class CL_TextureGroup_Impl;
00043 class CL_GraphicContext;
00044
00048 class CL_API_DISPLAY CL_TextureGroup
00049 {
00052 public:
00054 enum TextureAllocationPolicy
00055 {
00056 create_new_texture,
00057 search_previous_textures
00058 };
00059
00063 public:
00065 CL_TextureGroup();
00066
00068 CL_TextureGroup(const CL_Size &texture_sizes);
00069
00070 ~CL_TextureGroup();
00071
00075 public:
00076
00078 bool is_null() const { return !impl; }
00079
00081 void throw_if_null() const;
00082
00084 int get_subtexture_count() const;
00085
00087 int get_subtexture_count(unsigned int texture_index) const;
00088
00090 int get_texture_count() const;
00091
00093 TextureAllocationPolicy get_texture_allocation_policy() const;
00094
00096 CL_Size get_texture_sizes() const;
00097
00099 std::vector<CL_Texture> get_textures() const;
00100
00104 public:
00106 CL_Subtexture add(CL_GraphicContext &context, const CL_Size &size);
00107
00113 void remove(CL_Subtexture &subtexture);
00114
00116 void set_texture_allocation_policy(TextureAllocationPolicy policy);
00117
00122 void insert_texture(CL_Texture &texture, const CL_Rect &texture_rect);
00123
00127 private:
00128 CL_SharedPtr<CL_TextureGroup_Impl> impl;
00130 };
00131