//pattern.h
#if !defined(PATTERN_H__INCLUDED_)
#define PATTERN_H__INCLUDED_

#include "Messaging.h"


struct pattern_config {
	int format;
	double scale;

	void clear(void);
};

struct stitch {
	int flags;	// uses codes defined below
	double xx;		// absolute position (not relative)
	double yy;		

	double a;		// angle into this node
	double da;		// angle out - angle in
	double l;		// length into this node

//	double a(void);		// calculate angle into this node
//	double da(void);	// calculate angle out - angle in
//	double l(void);		// calculate length into this node
};

struct color {
	COLORREF rgb;
	char *description;
	char *catalog_number;
};

class pattern {
public:
	int stitches;
	int colors;
	int num_variables;

	struct stitch *stitchlist;
	struct color *colorlist;

	char **variable_name;
	char **variable_value;

	struct pattern_config config;

	class messages messages;

private:
	int allocated_stitches;
	int allocated_colors;
	int allocated_variables;

public:
	pattern();	// constructor
	~pattern();	// destructor
	void clear();
	void set_variable(const char *name, const char *value);
	char *get_variable(const char *name);
	int get_variable_int(const char *name);
	double get_variable_double(const char *name);
	void delete_variable(const char *name);
    int add_color (COLORREF rgb, const char *description, const char *catalog_number);
	int add_stitch_abs(double x, double y, int flags);
	int add_stitch_rel(double dx, double dy, int flags);
	int add_stitch_copy (struct stitch src);
	int delete_stitch (int number);
	int move_last_stitch (int number);
//	void print_stitchlist(char *filename);

	BOOL read_dst(const char *filename);
	BOOL write_dst(const char *filename);
	BOOL read_csv(const char *filename);
	BOOL write_csv(const char *filename);
//	void read_dst(CFile *dstin);
//	void write_dst(CFile *dstout);
//	void read_csv(CFile *csvin);
//	void write_csv(CFile *csvout);

	void scale_pattern (double scale);
	void statistics (void);
	void create_test(void);
	struct lfRECT get_dimensions(void); 
	void calculate_angles(void);
//	int load(CFile *fp);
//	int save(CFile *fp);
};

// Codes for stitch types (in struct stitch.flags)

#define NORMAL 0
#define UNKNOWN 1
#define JUMP 2
#define STOP 3
#define END 4
#define LINE 10
#define SATINLINE 11
#define ZIGZAGLINE 12
#define REGION 13
#define TRIANGLE 14

#endif