60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#pragma once
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using namespace std;
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class StitchSlot;
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class Texture;
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#include "TextureHolder.h"
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class Stitcher
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{
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public:
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static const int STITCH_SUCCESS = 0;
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static const int STITCH_RETRY = 1;
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static const int STITCH_ABORT = 2;
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static const int MAX_MIPLEVEL = 0; // This should be 4 again later when we *ACTUALLY* mipmap
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static const int MIN_TEXEL = 1 << MAX_MIPLEVEL;
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private:
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set<TextureHolder *, TextureHolderLessThan> texturesToBeStitched; // = new HashSet<TextureHolder>(256);
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vector<StitchSlot *> storage; // = new ArrayList<StitchSlot>(256);
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int storageX;
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int storageY;
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int maxWidth;
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int maxHeight;
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bool forcePowerOfTwo;
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int forcedScale;
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Texture *stitchedTexture;
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wstring name;
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void _init(const wstring &name, int maxWidth, int maxHeight, bool forcePowerOfTwo, int forcedScale);
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public:
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Stitcher(const wstring &name, int maxWidth, int maxHeight, bool forcePowerOfTwo);
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Stitcher(const wstring &name, int maxWidth, int maxHeight, bool forcePowerOfTwo, int forcedScale);
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int getWidth();
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int getHeight();
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void addTexture(TextureHolder *textureHolder);
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Texture *constructTexture(bool mipmap = true); // 4J Added mipmap param
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void stitch();
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vector<StitchSlot *> *gatherAreas();
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private:
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// Based on: http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2
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int smallestEncompassingPowerOfTwo(int input);
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bool addToStorage(TextureHolder *textureHolder);
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/**
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* Expand the current storage to take in account the new texture.
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* This should only be called if it didn't fit anywhere.
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*
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* @param textureHolder
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* @return Boolean indicating if it could accommodate for the growth
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*/
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bool expand(TextureHolder *textureHolder);
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}; |