Subversion Repositories DIN Is Noise

/*

* slit.h

* slit in Mondrian

* DIN Is Noise is copyright (c) 2006-2023 Jagannathan Sampath

* For more information, please visit http://dinisnoise.org/

*/

#ifndef __slit__

#define __slit__

#include <list>

#include "fader.h"

struct rect;

struct slit { // a slit on an edge of a box

  rect* boxes [2]; // slit can be on 2 boxes 

  int edges [2]; // edges of the boxes that has the slit

  int type;

  enum {INVALID=-1, VERTICAL, HORIZONTAL};

  float start, mid, end;

  static float HALF_SIZE;

  static float MIN_HALF_SIZE;

  static float MIN_SIZE; // 2 * MIN_HALF_SIZE

  static int ref; // log

  double animt; // animation duration

  fader* fdr; // to animate slit

  static const double INITIAL_OPEN_CLOSE_TIME;

  slit ();

  slit (rect** bxs, float x, float y, float sz, fader* fdr = 0);

  ~slit ();

  int is_too_small ();

  inline void calc_mid () { mid = (start+end) / 2.0; }

  float anim_start, anim_end; // start,end at start of animation

  void toggle_anim ();

  void eval_anim ();

  int select; // selected?

};

struct slit_info {

  float x, y, half_size;

  int anim;

  fader fdr;

  slit_info ();

};

struct slit_lip_t { // for editing slit

  slit* slitt;

  float* lip;

  float* prev;

  float* cur;

  float low, high;

  slit_lip_t () { clear ();}

  void edit ();

  void clear ();

  void set_high (float h);

  void set_low (float l);

};

struct slit_drawer { // for drawing

  static const int MAX_LINES = 512;

  float* verts;

  int cur;

  int last;

  slit_drawer (int n = MAX_LINES);

  ~slit_drawer ();

  void add (float x, float y);

  void draw ();

};

void draw_slits (float start, float end, float level, int type, std::list<slit*>& _slits, slit_drawer& slit_drawerr);

rect* get_other_rect_of_slit (rect* ir, int e, float v, slit** os);

slit* slit_hit (rect* b, int e, float v);

slit* slit_hit (rect** bxs, float x, float y);

int get_slit_lip (slit_lip_t& sl, rect* R, int e, float v);

typedef std::list<slit*>::iterator slit_iterator;

#endif