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77 lines
1.6 KiB
77 lines
1.6 KiB
#ifndef _UGUI_H
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#define _UGUI_H
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#include <stdint.h>
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typedef struct {
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int32_t x, y, w, h;
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} UgRect;
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typedef struct {
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int32_t x, y;
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} UgPoint;
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typedef struct {
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uint8_t r, g, b, a;
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} UgColor;
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typedef uint64_t UgId;
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typedef enum {
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ETYPE_NONE = 0,
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ETYPE_DIV,
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} UgElemType;
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typedef struct {
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UgId id;
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UgRect rec;
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union {
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uint32_t type_int;
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UgElemType type;
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};
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} UgElem;
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// TODO: add a packed flag
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// TODO: add a fill index to skip some searching for free spots
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typedef struct {
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int size, elements;
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UgId *vector; // vector of element ids
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int *refs, *ordered_refs;
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} UgTree;
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typedef struct {
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struct _IdTable *table;
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UgElem *array;
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uint64_t *present, *used;
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int cycles;
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} UgElemCache;
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typedef struct _UgCtx UgCtx;
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// tree implementation
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int ug_tree_init(UgTree *tree, unsigned int size);
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int ug_tree_pack(UgTree *tree);
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int ug_tree_resize(UgTree *tree, unsigned int newsize);
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int ug_tree_add(UgTree *tree, UgId elem, int parent);
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int ug_tree_prune(UgTree *tree, int ref);
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int ug_tree_subtree_size(UgTree *tree, int ref);
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int ug_tree_children_it(UgTree *tree, int parent, int *cursor);
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int ug_tree_level_order_it(UgTree *tree, int ref, int *cursor);
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int ug_tree_parentof(UgTree *tree, int node);
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int ug_tree_destroy(UgTree *tree);
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// cache implementation
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UgElemCache ug_cache_init(void);
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void ug_cache_free(UgElemCache *cache);
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UgElem *ug_cache_search(UgElemCache *cache, UgId id);
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UgElem *ug_cache_insert(UgElemCache *cache, const UgElem *g, uint32_t *index);
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int ug_init(UgCtx *ctx);
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int ug_destroy(UgCtx *ctx);
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int ug_frame_begin(UgCtx *ctx);
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int ug_frame_end(UgCtx *ctx);
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#endif // _UGUI_H
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