SbBox2f - Online Linux Manual Page

Section : 3
Updated : Mon Jan 25 2021
Source : Version 2.5.0
Note : Coin
NAMESbBox2f − The SbBox2f class is a 2 dimensional box with floating point corner coordinates​.
SYNOPSIS
#include <Inventor/SbBox​.h>
Public Member FunctionsSbBox2f (void)
SbBox2f (float xmin, float ymin, float xmax, float ymax)
SbBox2f (const SbVec2f &min, const SbVec2f &max)
SbBox2f (const SbBox2d &box)
SbBox2f (const SbBox2s &box)
SbBox2f (const SbBox2i32 &box)
~SbBox2f (void)
void setBounds (float xmin, float ymin, float xmax, float ymax)
void setBounds (const SbVec2f &min, const SbVec2f &max)
SbBox2f & setBounds (const SbBox2d &box)
SbBox2f & setBounds (const SbBox2s &box)
SbBox2f & setBounds (const SbBox2i32 &box)
void getBounds (float &xmin, float &ymin, float &xmax, float &ymax) const
void getBounds (SbVec2f &min, SbVec2f &max) const
const SbVec2f & getMin (void) const
SbVec2f & getMin (void)
const SbVec2f & getMax (void) const
SbVec2f & getMax (void)
void extendBy (const SbVec2f &point)
void extendBy (const SbBox2f &box)
void makeEmpty (void)
SbBool isEmpty (void) const
SbBool hasArea (void) const
SbBool intersect (const SbVec2f &point) const
SbBool intersect (const SbBox2f &box) const
SbVec2f getClosestPoint (const SbVec2f &p) const
SbVec2f getCenter (void) const
void getOrigin (float &x0, float &y0) const
void getSize (float &w, float &h) const
float getAspectRatio (void) const
Friendsint operator== (const SbBox2f &b1, const SbBox2f &b2)
int operator!= (const SbBox2f &b1, const SbBox2f &b2)
Related Functions(Note that these are not member functions​.) int operator== (const SbBox2f &b1, const SbBox2f &b2)
int operator!= (const SbBox2f &b1, const SbBox2f &b2)
Detailed DescriptionThe SbBox2f class is a 2 dimensional box with floating point corner coordinates​. 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​. See also SbBox2d, SbBox2i32, SbBox2s, SbBox3d, SbBox3f, SbBox3i32, SbBox3s, SbXfBox3d, SbXfBox3f
Constructor & Destructor Documentation
SbBox2f::SbBox2f (void)The default constructor makes an empty box​. References makeEmpty()​.
SbBox2f::SbBox2f (float xmin, float ymin, float xmax, float ymax)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​. References setBounds()​.
SbBox2f::SbBox2f (const SbVec2f & min, const SbVec2f & max)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​. References setBounds()​.
SbBox2f::SbBox2f (const SbBox2d & box) [inline], [explicit]Constructs a box with coordinates from box, converting the coordinates to floating point values Since Coin-2​.5
SbBox2f::SbBox2f (const SbBox2s & box) [inline], [explicit]Constructs a box with coordinates from box, converting the coordinates to floating point values Since Coin-2​.5
SbBox2f::SbBox2f (const SbBox2i32 & box) [inline], [explicit]Constructs a box with coordinates from box, converting the coordinates to floating point values Since Coin-2​.5
SbBox2f::~SbBox2f (void)Destructor​.
Member Function Documentation
void SbBox2f::setBounds (float xmin, float ymin, float xmax, float ymax)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​. See also getBounds()​. References SoDebugError::postWarning(), and SbVec2f::setValue()​. Referenced by SbBox2f()​.
void SbBox2f::setBounds (const SbVec2f & min, const SbVec2f & max)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​. See also getBounds()​. References SoDebugError::postWarning()​.
SbBox2f & SbBox2f::setBounds (const SbBox2d & box)Reset the boundaries of the box to the boundaries of the given box​. Returns reference to self​. See also getBounds() Since Coin-2​.5 References SbBox2d::getMax(), SbBox2d::getMin(), SbBox2d::isEmpty(), makeEmpty(), and SbVec2f::setValue()​.
SbBox2f & SbBox2f::setBounds (const SbBox2s & box)Reset the boundaries of the box to the boundaries of the given box​. Returns reference to self​. See also getBounds() Since Coin-2​.5 References SbBox2s::getMax(), SbBox2s::getMin(), SbBox2s::isEmpty(), makeEmpty(), and SbVec2f::setValue()​.
SbBox2f & SbBox2f::setBounds (const SbBox2i32 & box)Reset the boundaries of the box to the boundaries of the given box​. Returns reference to self​. See also getBounds() Since Coin-2​.5 References SbBox2i32::getMax(), SbBox2i32::getMin(), SbBox2i32::isEmpty(), makeEmpty(), and SbVec2f::setValue()​.
void SbBox2f::getBounds (float & xmin, float & ymin, float & xmax, float & ymax) constReturns the box boundaries​. See also setBounds(), getMin(), getMax()​. References SbVec2f::getValue()​.
void SbBox2f::getBounds (SbVec2f & min, SbVec2f & max) constReturns the box corner points​. See also setBounds(), getMin(), getMax()​.
const SbVec2f & SbBox2f::getMin (void) constReturns the lower left corner of the box​. See also getOrigin(), getMax()​. Referenced by extendBy(), SoGlyph::getWidth(), intersect(), SbBox2d::setBounds(), SbBox2i32::setBounds(), and SbBox2s::setBounds()​.
SbVec2f & SbBox2f::getMin (void) [inline]Returns the lower left corner of the box​. See also getOrigin(), getMax()​. Since Coin-2​.5
const SbVec2f & SbBox2f::getMax (void) constReturns the upper right corner of the box​. See also getMin()​. Referenced by extendBy(), SoGlyph::getWidth(), intersect(), SbBox2d::setBounds(), SbBox2i32::setBounds(), and SbBox2s::setBounds()​.
SbVec2f & SbBox2f::getMax (void) [inline]Returns the upper right corner of the box​. See also getMin()​. Since Coin-2​.5
void SbBox2f::extendBy (const SbVec2f & point)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​. References SbVec2f::setValue()​. Referenced by extendBy(), and SoShape::getScreenSize()​.
void SbBox2f::extendBy (const SbBox2f & box)Extend the boundaries of the box by the given box parameter​. This is equal to calling the above method twice with the corner points​. References extendBy(), getMax(), getMin(), and SoDebugError::postWarning()​.
void SbBox2f::makeEmpty (void)Marks this as an empty box​. See also isEmpty()​. References SbVec2f::setValue()​. Referenced by SoShape::getScreenSize(), SbBox2f(), and setBounds()​.
SbBool SbBox2f::isEmpty (void) constCheck if this has been marked as an empty box​. See also makeEmpty()​. Referenced by SbBox2d::setBounds(), SbBox2i32::setBounds(), and SbBox2s::setBounds()​.
SbBool SbBox2f::hasArea (void) constCheck 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​.
SbBool SbBox2f::intersect (const SbVec2f & point) constCheck if point lies within the boundaries of this box​.
SbBool SbBox2f::intersect (const SbBox2f & box) constCheck if box lies wholly or partly within the boundaries of this box​. References getMax(), and getMin()​.
SbVec2f SbBox2f::getClosestPoint (const SbVec2f & p) constReturn the point on the box closest to the given point p​. References getCenter()​.
SbVec2f SbBox2f::getCenter (void) constReturns the center point of the box​. Referenced by getClosestPoint()​.
void SbBox2f::getOrigin (float & x0, float & y0) constReturns the coordinates of the box origin (i​.e​. the lower left corner)​. See also getMin()​.
void SbBox2f::getSize (float & w, float & h) constReturns width and height of box​. References SoDebugError::postWarning()​. Referenced by SoShape::getScreenSize()​.
float SbBox2f::getAspectRatio (void) constReturns aspect ratio of box, which is defined as box width divided on box height​. References SoDebugError::postWarning()​.
Friends And Related Function Documentation
int operator== (const SbBox2f & b1, const SbBox2f & b2) [friend]Check b1 and b2 for equality​.
int operator!= (const SbBox2f & b1, const SbBox2f & b2) [friend]Check b1 and b2 for inequality​.
int operator== (const SbBox2f & b1, const SbBox2f & b2) [related]Check b1 and b2 for equality​.
int operator!= (const SbBox2f & b1, const SbBox2f & b2) [related]Check b1 and b2 for inequality​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
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