57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* This software is licensed under the terms of the MIT License.
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* See COPYING for further information.
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* ---
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* Copyright (c) 2011-2024, Lukas Weber <laochailan@web.de>.
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* Copyright (c) 2012-2024, Andrei Alexeyev <akari@taisei-project.org>.
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*/
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#pragma once
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#include "taisei.h"
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#include "geometry.h"
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#include "list.h"
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#include "memory/mempool.h"
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typedef struct RectPack RectPack;
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typedef struct RectPackSection RectPackSection;
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typedef MEMPOOL(RectPackSection) RectPackSectionPool;
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typedef struct RectPackSectionSource RectPackSectionSource;
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struct RectPackSection {
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LIST_INTERFACE(RectPackSection);
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RectPackSection *parent;
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RectPackSection *sibling;
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RectPackSection *children[2];
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Rect rect;
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};
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struct RectPack {
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RectPackSection root;
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RectPackSection *unused_sections;
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};
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struct RectPackSectionSource {
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RectPackSectionPool *pool;
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MemArena *arena;
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};
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void rectpack_init(RectPack *rp, double width, double height)
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attr_nonnull_all;
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RectPackSection *rectpack_add(
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RectPack *rp,
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RectPackSectionSource secsrc,
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double width,
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double height,
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bool allow_rotation
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) attr_nonnull(1);
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Rect rectpack_section_rect(RectPackSection *s)
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attr_nonnull(1);
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void rectpack_reclaim(RectPack *rp, RectPackSectionSource secsrc, RectPackSection *s)
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attr_nonnull(1, 3);
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bool rectpack_is_empty(RectPack *rp)
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attr_nonnull(1);
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