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// Define some useful types
#ifndef _gri_types_hh_
#include <stdio.h>
#include <math.h>
#define _gri_types_hh_
enum gr_textStyle { // Text writing options
TEXT_LJUST,
TEXT_RJUST,
TEXT_CENTERED
};
enum units { // Units for GriPath
units_cm,
units_user
};
static inline double min4(double a, double b, double c, double d) {
double rval = a;
if (b < a) rval = b;
if (c < a) rval = c;
if (d < a) rval = d;
return rval;
}
static inline double max4(double a, double b, double c, double d) {
double rval = a;
if (b > a) rval = b;
if (c > a) rval = c;
if (d > a) rval = d;
return rval;
}
class rectangle { // a rectangle oriented parallel to axis
public:
rectangle(double llx, double lly, double urx, double ury) {
ll_x = llx;
ll_y = lly;
ur_x = urx;
ur_y = ury;
}
rectangle(void) { ll_x = ll_y = ur_x = ur_y = 0.0; }
~rectangle() {}
void set(double llx, double lly, double urx, double ury) {
ll_x = llx;
ll_y = lly;
ur_x = urx;
ur_y = ury;
}
void scale(double f) { ll_x *= f; ll_y *= f; ur_x *= f; ur_y *= f;}
double llx(void) const { return ll_x; }
double lly(void) const { return ll_y; }
double urx(void) const { return ur_x; }
double ury(void) const { return ur_y; }
void set_llx(double llx) { ll_x = llx;}
void set_lly(double lly) { ll_y = lly;}
void set_urx(double urx) { ur_x = urx;}
void set_ury(double ury) { ur_y = ury;}
void shift_x(double dx) { ll_x += dx; ur_x += dx;}
void shift_y(double dy) { ll_y += dy; ur_y += dy;}
void rotate(double degrees_ccw) {
double rad_ccw = degrees_ccw / 57.29577951;
double c = cos(rad_ccw);
double s = sin(rad_ccw);
double x1 = c * ll_x - s * ll_y;
double y1 = s * ll_x + c * ll_y;
double x2 = c * ur_x - s * ll_y;
double y2 = s * ur_x + c * ll_y;
double x3 = c * ur_x - s * ur_y;
double y3 = s * ur_x + c * ur_y;
double x4 = c * ll_x - s * ur_y;
double y4 = s * ll_x + c * ur_y;
ll_x = min4(x1, x2, x3, x4);
ur_x = max4(x1, x2, x3, x4);
ll_y = min4(y1, y2, y3, y4);
ur_y = max4(y1, y2, y3, y4);
}
double get_llx() { return ll_x; }
double get_lly() { return ll_y; }
double get_urx() { return ur_x; }
double get_ury() { return ur_y; }
private:
double ll_x; // lower-left
double ll_y;
double ur_x; // upper-right
double ur_y;
};
#endif
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