27 #include <Inventor/SbVec2f.h>
36 SbBox2f(
float xmin,
float ymin,
float xmax,
float ymax)
37 : minpt(xmin, ymin), maxpt(xmax, ymax) { }
39 : minpt(minpoint), maxpt(maxpoint) { }
42 explicit SbBox2f(
const SbBox2i32 & box) { setBounds(box); }
44 SbBox2f & setBounds(
float xmin,
float ymin,
float xmax,
float ymax)
45 { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax);
return *
this; }
47 { minpt = minpoint; maxpt = maxpoint;
return *
this; }
50 SbBox2f & setBounds(
const SbBox2i32 & box);
52 void getBounds(
float & xmin,
float & ymin,
float & xmax,
float & ymax)
const
53 { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); }
55 { minpoint = minpt; maxpoint = maxpt; }
61 SbVec2f & getMax(
void) {
return maxpt; }
63 void extendBy(
const SbVec2f & point);
64 void extendBy(
const SbBox2f & box);
66 SbBool
isEmpty(
void)
const {
return (maxpt[0] < minpt[0]); }
67 SbBool
hasArea(
void)
const {
return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1])); }
69 SbBool intersect(
const SbVec2f & point)
const;
70 SbBool intersect(
const SbBox2f & box)
const;
74 void getOrigin(
float & originX,
float & originY)
const
75 { minpt.
getValue(originX, originY); }
76 void getSize(
float & sizeX,
float & sizeY)
const
77 {
if (isEmpty()) { sizeX = sizeY = 0.0f; }
78 else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; } }
79 float getAspectRatio(
void)
const
80 { SbDividerChk(
"SbBox2f::getAspectRatio()", maxpt[1] - minpt[1]);
81 return (maxpt[0] - minpt[0]) / (maxpt[1] - minpt[1]); }
96 #endif // !COIN_SBBOX2F_H