#include <Inventor/SbBox.h>
Public Methods | |
SbBox2f (void) | |
SbBox2f (float xmin, float ymin, float xmax, float ymax) | |
SbBox2f (const SbVec2f &min, const SbVec2f &max) | |
~SbBox2f (void) | |
const SbVec2f & | getMin (void) const |
const SbVec2f & | getMax (void) const |
SbVec2f | getCenter (void) const |
void | extendBy (const SbVec2f &point) |
void | extendBy (const SbBox2f &box) |
SbBool | intersect (const SbVec2f &point) const |
SbBool | intersect (const SbBox2f &box) const |
SbVec2f | getClosestPoint (const SbVec2f &p) const |
void | setBounds (float xmin, float ymin, float xmax, float ymax) |
void | setBounds (const SbVec2f &min, const SbVec2f &max) |
void | getBounds (float &xmin, float &ymin, float &xmax, float &ymax) const |
void | getBounds (SbVec2f &min, SbVec2f &max) const |
void | getOrigin (float &x0, float &y0) const |
void | getSize (float &w, float &h) const |
float | getAspectRatio (void) const |
void | makeEmpty (void) |
SbBool | isEmpty (void) const |
SbBool | hasArea (void) const |
Friends | |
COIN_DLL_API int | operator== (const SbBox2f &b1, const SbBox2f &b2) |
COIN_DLL_API int | operator!= (const SbBox2f &b1, const SbBox2f &b2) |
This box class is used by many other classes in Coin for data exchange and storage. It provides two box corners with floating point coordinates, which is among other things useful for representing screen or canvas dimensions in normalized coordinates.
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The default constructor makes an empty box. |
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Constructs a box with the given corners. xmin should be less than xmax and ymin should be less than ymax if you want to make a valid box. |
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Constructs a box with the given lower left and upper right corners. The coordinates of min should be less than the coordinates of max if you want to make a valid box. |
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Destructor. |
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Returns the lower left corner of the box.
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Returns the upper right corner of the box.
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Returns the center point of the box. |
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Extend the boundaries of the box by the given point, i.e. make the box fit around the point if it isn't already situated within it. |
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Extend the boundaries of the box by the given box parameter. This is equal to calling the above method twice with the corner points. |
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Check if point lies within the boundaries of this box. |
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Check if box lies wholly or partly within the boundaries of this box. |
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Return the point on the box closest to the given point p. |
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Reset the boundaries of the box. xmin should be less than xmax and ymin should be less than ymax if you want to make a valid box.
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Reset the boundaries of the box with the given corners. The coordinates of min should be less than the coordinates of max if you want to make a valid box.
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Returns the box boundaries.
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Returns the box corner points.
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Returns the coordinates of the box origin (i.e. the lower left corner).
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Returns width and height of box. |
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Returns aspect ratio of box, which is defined as box width divided on box height. |
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Marks this as an empty box.
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Check if this has been marked as an empty box.
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Check if the box has "positive" area, i.e. the lower left corner is actually lower and more to the left than the other corner point. |
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Check b1 and b2 for equality. |
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Check b1 and b2 for inequality. |