OpenGL_Line_Drawing/proj.h at main · JacobGH2/OpenGL_Line_Drawing · GitHub

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#ifndef PROJ_HEADER
#define PROJ_HEADER
#include <climits>
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#include <vector>
#include <cmath>
#include <iostream>
#include <chrono>
#include <thread>
#endif

// constants
const int GS_RED = 1, GS_BLUE = 2, GS_GREEN = 3, GS_WHITE = 4;
const unsigned short GS_SOLID = USHRT_MAX, GS_DASHED = 0b0000000011111111, GS_3Q = 0b0000111111111111, GS_FUNKY = 0b0001100011111111;

// struct definitions
typedef struct {
    float x1, y1, x2, y2;
} line;

typedef struct {
    int x;
    int y;
} point;

// GS line functions
void drawGSPoint(point, float, int);
int negate(int,int);
point swap(int,int,int,int);
point transformPoint(int,int,double,int,int,int,int);
point transform_p1(int,int,int,int,double);
int checkStipple(unsigned short &);
void GSLine(int,int,int,int,int,unsigned short,unsigned int); // main interface

// circle and ellipse drawing functions
void plot_circle_points(int,int,int,int);
void midpoint_circle(int,int,int);

void midpoint_ellipse(int,int,int,int);