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#ifndef PSD_INCLUDED
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#define PSD_INCLUDED
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#include "psdutils.h"
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#include "timage_io.h"
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#define REF_LAYER_BY_NAME
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class TRasterImageP;
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#undef DVAPI
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#undef DVVAR
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#ifdef TNZCORE_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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// Photoshop's mode
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#define ModeBitmap 0
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#define ModeGrayScale 1
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#define ModeIndexedColor 2
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#define ModeRGBColor 3
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#define ModeCMYKColor 4
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#define ModeHSLColor 5
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#define ModeHSBColor 6
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#define ModeMultichannel 7
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#define ModeDuotone 8
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#define ModeLabColor 9
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#define ModeGray16 10
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#define ModeRGB48 11
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#define ModeLab48 12
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#define ModeCMYK64 13
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#define ModeDeepMultichannel 14
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#define ModeDuotone16 15
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struct TPSDLayerMaskInfo {
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	psdByte size;
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	long top;
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	long left;
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	long bottom;
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	long right;
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	char default_colour;
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	char flags;
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	psdPixel rows, cols;
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};
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struct TPSDBlendModeInfo {
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	char sig[4];
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	char key[4];
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	unsigned char opacity;
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	unsigned char clipping;
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	unsigned char flags;
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};
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struct TPSDLayerInfo {
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	long top;
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	long left;
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	long bottom;
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	long right;
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	short channels;
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	TPSDChannelInfo *chan;
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	int *chindex;
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	unsigned long layerId;
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	unsigned long protect;
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	unsigned long section;
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	unsigned long foreignEffectID;
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	unsigned long layerVersion;
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	int blendClipping;
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	int blendInterior;
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	int knockout;
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	int transparencyShapes;
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	int layerMaskAsGlobalMask;
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	int vectorMaskAsGlobalMask;
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	TPSDBlendModeInfo blend;
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	TPSDLayerMaskInfo mask;
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	double referencePointX;
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	double referencePointY;
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	char *name;
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	char *nameno; // "layerNr"
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	char *unicodeName;
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	char *layerNameSource;
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	psdByte additionalpos;
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	psdByte additionallen;
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	psdByte filepos; //
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	psdByte startDataPos; // Posizione di inizio dati all'interno del file
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	psdByte dataLength;   // lunghezza dati
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	// LAYER EFFECTS
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	unsigned long int *fxCommonStateVersion;
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	int fxCommonStateVisible;
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	unsigned long int fxShadowVersion;
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	float fxShadowBlur;
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	float fxShadowIntensity;
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	float fxShadowAngle;
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	float fxShadowDistance;
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	//my tags
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	bool isFolder;
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};
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struct TPSDHeaderInfo {
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	char sig[4];
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	short version;
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	char reserved[6];
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	short channels;
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	long rows;
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	long cols;
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	short depth;
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	short mode;
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	double vres; // image resource. Vertical resolution
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	double hres; // image resource. Horizontal resolution
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	psdByte colormodepos;
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	int layersCount;
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	int mergedalpha;
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	bool linfoBlockEmpty;
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	TPSDLayerInfo *linfo;	 // array of layer info
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	psdByte lmistart, lmilen; // set by doLayerAndMaskInfo()
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	psdByte layerDataPos;	 //set by doInfo
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};
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struct dictentry {
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	int id;
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	char *key, *tag, *desc;
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	void (*func)(FILE *f, struct dictentry *dict, TPSDLayerInfo *li);
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};
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// PSD LIB
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// Restituisce eccezioni
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class DVAPI TPSDReader
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{
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	TFilePath m_path;
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	FILE *m_file;
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	int m_lx, m_ly;
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	TPSDHeaderInfo m_headerInfo;
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	int m_layerId;
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	int m_shrinkX;
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	int m_shrinkY;
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	TRect m_region;
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public:
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	TPSDReader(const TFilePath &path);
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	~TPSDReader();
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	TImageReaderP getFrameReader(TFilePath path);
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	TPSDHeaderInfo getPSDHeaderInfo();
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	void load(TRasterImageP &rasP, int layerId);
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	TDimension getSize() const { return TDimension(m_lx, m_ly); }
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	TPSDLayerInfo *getLayerInfo(int index);
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	int getLayerInfoIndexById(int layerId);
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	void setShrink(int shrink)
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	{
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		m_shrinkX = shrink;
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		m_shrinkY = shrink;
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	}
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	void setShrink(int shrinkX, int shrinkY)
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	{
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		m_shrinkX = shrinkX;
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		m_shrinkY = shrinkY;
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	}
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	void setRegion(TRect region) { m_region = region; }
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	int getShrinkX() { return m_shrinkX; }
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	int getShrinkY() { return m_shrinkY; }
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	TRect getRegion() { return m_region; }
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private:
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	std::map<int, trect=""> m_layersSavebox;</int,>
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	bool doInfo();
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	bool doHeaderInfo();
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	bool doColorModeData();
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	bool doImageResources();
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	bool doLayerAndMaskInfo();
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	bool doLayersInfo();
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	bool readLayerInfo(int index);
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	//void doImage(unsigned char *rasP, TPSDLayerInfo *li);
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	void doImage(TRasterP &rasP, int layerId);
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	void readImageData(TRasterP &rasP, TPSDLayerInfo *li, TPSDChannelInfo *chan,
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					   int chancount, psdPixel rows, psdPixel cols);
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	int m_error;
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	TThread::Mutex m_mutex;
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	int openFile();
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	void doExtraData(TPSDLayerInfo *li, psdByte length);
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	int sigkeyblock(FILE *f, struct dictentry *dict, TPSDLayerInfo *li);
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	struct dictentry *findbykey(FILE *f, struct dictentry *parent, char *key, TPSDLayerInfo *li);
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};
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// converts psd layers structure into toonz level structure	according to path
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class DVAPI TPSDParser
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{
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	class Level
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	{
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	public:
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		Level(std::string nm = "Unknown", int lid = 0, bool is_folder = false) : name(nm),
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																			layerId(lid),
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																			folder(is_folder)
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		{
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		}
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		void addFrame(int layerId, bool isFolder = false) { framesId.push_back(Frame(layerId, isFolder)); }
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		int getFrameCount() { return (int)framesId.size(); }
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		std::string getName() { return name; }
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		int getLayerId() { return layerId; }
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		void setName(std::string nname) { name = nname; }
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		void setLayerId(int nlayerId) { layerId = nlayerId; }
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		int getFrameId(int index)
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		{
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			assert(index >= 0 && index < (int)framesId.size());
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			return framesId[index].layerId;
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		}
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		// return true if frame is a subfolder
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		bool isSubFolder(int frameIndex)
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		{
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			assert(frameIndex >= 0 && frameIndex < (int)framesId.size());
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			return framesId[frameIndex].isFolder;
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		}
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		// return true if the level is built from a psd folder
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		bool isFolder() { return folder; }
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	private:
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		struct Frame {
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			int layerId; // psd layerId
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			bool isFolder;
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			Frame(int layId, bool folder) : layerId(layId), isFolder(folder)
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			{
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			}
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		};
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		std::string name;				 // psd name
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		int layerId;				 // psd layer id
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		std::vector framesId; // array of layer ID as frame
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		bool folder;
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	};
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	TFilePath m_path;
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	std::vector<level> m_levels; // layers id</level>
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	TPSDReader *m_psdreader;	 //lib
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public:
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	// path define levels construction method
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	// if path = :
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	//  filename.psd										flat image so LevelsCount = 1;
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	//	filename#LAYERID.psd						each psd layer as a tlevel
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	//  filename#LAYERID#frames.psd			each psd layer as a frame so there is only one tlevel with 1 or more frames;
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	//  filename#LAYERID#folder.psd			each psd layer is a tlevel and	\
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		//																	each folder is a tlevel such as the psd layers \
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		//																	contained into folder are frames of tlevel
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	// LAYERID(Integer) is psd layerId
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	TPSDParser(const TFilePath &path);
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	~TPSDParser();
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	int getLevelsCount() { return (int)m_levels.size(); }
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	// load a psd layer
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	// if layerId == 0 load flat image
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	void load(TRasterImageP &rasP, int layerId = 0);
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	// Returns psd layerID
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	int getLevelId(int index)
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	{
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		assert(index >= 0 && index < (int)m_levels.size());
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		return m_levels[index].getLayerId();
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	}
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	bool isFolder(int levelIndex)
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	{
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		assert(levelIndex >= 0 && levelIndex < (int)m_levels.size());
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		return m_levels[levelIndex].isFolder();
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	}
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	int getLevelIndexById(int levelId);
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	// Returns layerID by name. Note that the layer name is not unique, so it return the first layer id found.
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	int getLevelIdByName(std::string levelName);
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	int getFrameId(int layerId, int frameIndex) { return m_levels[getLevelIndexById(layerId)].getFrameId(frameIndex); }
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	int getFramesCount(int levelId);
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	bool isSubFolder(int levelIndex, int frameIndex)
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	{
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		assert(levelIndex >= 0 && levelIndex < (int)m_levels.size());
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		return m_levels[levelIndex].isSubFolder(frameIndex);
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	}
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	std::string getLevelName(int levelId);
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	// Returns level name.
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	// If there are 2 or more level with the same name then
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	// returns levelname, levelname__2, etc
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	std::string getLevelNameWithCounter(int levelId);
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private:
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	void doLevels(); // do m_levels
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};
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#endif //TIIO_PSD_H