67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Utility module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#pragma once
|
|
|
|
#ifndef NAZARA_GUILLOTINEIMAGEATLAS_HPP
|
|
#define NAZARA_GUILLOTINEIMAGEATLAS_HPP
|
|
|
|
#include <Nazara/Prerequesites.hpp>
|
|
#include <Nazara/Core/GuillotineBinPack.hpp>
|
|
#include <Nazara/Utility/AbstractAtlas.hpp>
|
|
#include <Nazara/Utility/AbstractImage.hpp>
|
|
#include <Nazara/Utility/Image.hpp>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
class NAZARA_API NzGuillotineImageAtlas : public NzAbstractAtlas
|
|
{
|
|
public:
|
|
NzGuillotineImageAtlas();
|
|
virtual ~NzGuillotineImageAtlas();
|
|
|
|
void Clear();
|
|
void Free(NzSparsePtr<const NzRectui> rects, NzSparsePtr<unsigned int> layers, unsigned int count);
|
|
|
|
NzGuillotineBinPack::FreeRectChoiceHeuristic GetRectChoiceHeuristic() const;
|
|
NzGuillotineBinPack::GuillotineSplitHeuristic GetRectSplitHeuristic() const;
|
|
NzAbstractImage* GetLayer(unsigned int layerIndex) const;
|
|
unsigned int GetLayerCount() const;
|
|
|
|
bool Insert(const NzImage& image, NzRectui* rect, bool* flipped, unsigned int* layerIndex);
|
|
|
|
void SetRectChoiceHeuristic(NzGuillotineBinPack::FreeRectChoiceHeuristic heuristic);
|
|
void SetRectSplitHeuristic(NzGuillotineBinPack::GuillotineSplitHeuristic heuristic);
|
|
|
|
protected:
|
|
struct Layer;
|
|
|
|
virtual unsigned int GetMaxAtlasSize() const;
|
|
virtual bool ResizeImage(Layer& layer, const NzVector2ui& size) const;
|
|
|
|
struct QueuedGlyph
|
|
{
|
|
NzImage image;
|
|
NzRectui rect;
|
|
bool flipped;
|
|
};
|
|
|
|
struct Layer
|
|
{
|
|
std::vector<QueuedGlyph> queuedGlyphs;
|
|
std::unique_ptr<NzAbstractImage> image;
|
|
NzGuillotineBinPack binPack;
|
|
unsigned int freedRectangles = 0;
|
|
};
|
|
|
|
private:
|
|
void ProcessGlyphQueue(Layer& layer) const;
|
|
|
|
mutable std::vector<Layer> m_layers;
|
|
NzGuillotineBinPack::FreeRectChoiceHeuristic m_rectChoiceHeuristic;
|
|
NzGuillotineBinPack::GuillotineSplitHeuristic m_rectSplitHeuristic;
|
|
};
|
|
|
|
#endif // NAZARA_GUILLOTINEIMAGEATLAS_HPP
|