27 #include <Inventor/SbVec2d.h>
36 SbBox2d(
double xmin,
double ymin,
double xmax,
double ymax)
37 : minpt(xmin, ymin), maxpt(xmax, ymax) { }
39 : minpt(minpoint), maxpt(maxpoint) { }
42 explicit SbBox2d(
const SbBox2i32 & box) { setBounds(box); }
44 SbBox2d & setBounds(
double xmin,
double ymin,
double xmax,
double ymax)
45 { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax);
return *
this; }
47 { minpt = minpoint; maxpt = maxpoint;
return *
this; }
50 SbBox2d & setBounds(
const SbBox2i32 & box);
52 void getBounds(
double & xmin,
double & ymin,
double & xmax,
double & ymax)
const
53 { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); }
55 { minpoint = minpt; maxpoint = maxpt; }
62 void extendBy(
const SbVec2d & point);
63 void extendBy(
const SbBox2d & box);
65 SbBool
isEmpty(
void)
const {
return (maxpt[0] < minpt[0]); }
66 SbBool
hasArea(
void)
const {
return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1])); }
68 SbBool intersect(
const SbVec2d & point)
const;
69 SbBool intersect(
const SbBox2d & box)
const;
74 void getOrigin(
double & originX,
double & originY)
const
75 { minpt.
getValue(originX, originY); }
76 void getSize(
double & sizeX,
double & sizeY)
const
77 {
if (isEmpty()) { sizeX = sizeY = 0.0; }
78 else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; } }
79 double getAspectRatio(
void)
const
80 { SbDividerChk(
"SbBox2d::getAspectRatio()", maxpt[1] - minpt[1]);
81 return (maxpt[0] - minpt[0]) / (maxpt[1] - minpt[1]); }
96 #endif // !COIN_SBBOX2D_H