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00032 #pragma once
00033
00034 #include "../api_core.h"
00035 #include "../System/sharedptr.h"
00036 #include "rect.h"
00037
00038 class CL_Size;
00039 class CL_RectPacker_Impl;
00040
00044 class CL_API_CORE CL_RectPacker
00045 {
00048 public:
00050 enum AllocationPolicy
00051 {
00052 create_new_group,
00053 search_previous_groups,
00054 fail_if_full
00055 };
00056
00057 struct AllocatedRect
00058 {
00059 public:
00060 AllocatedRect(int group_index, CL_Rect rect) : group_index(group_index), rect(rect) {}
00061 int group_index;
00062 CL_Rect rect;
00063 };
00064
00068 public:
00070 CL_RectPacker();
00071
00073 CL_RectPacker(const CL_Size &max_group_size, AllocationPolicy policy = create_new_group);
00074
00075 ~CL_RectPacker();
00076
00080 public:
00082 bool is_null() const { return !impl; }
00083
00085 void throw_if_null() const;
00086
00088 AllocationPolicy get_allocation_policy() const;
00089
00091 CL_Size get_max_group_size() const;
00092
00094 int get_total_rect_count() const;
00095
00097 int get_rect_count(unsigned int group_index = 0) const;
00098
00100 int get_group_count() const;
00101
00105 public:
00107 void set_allocation_policy(AllocationPolicy policy);
00108
00110 AllocatedRect add(const CL_Size &size);
00111
00115 private:
00116 CL_SharedPtr<CL_RectPacker_Impl> impl;
00118 };
00119