SbColor - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 2.5.0
Note : Coin
NAMESbColor − The SbColor class contains the red, green and blue components which make up a color value​.
SYNOPSIS
#include <Inventor/SbColor​.h> Inherits SbVec3f​.
Public Member FunctionsSbColor (void)
SbColor (const SbVec3f &v)
SbColor (const float *const rgb)
SbColor (const float r, const float g, const float b)
SbColor & setHSVValue (float h, float s, float v)
SbColor & setHSVValue (const float hsv[3])
void getHSVValue (float &h, float &s, float &v) const
void getHSVValue (float hsv[3]) const
SbColor & setPackedValue (const uint32_t rgba, float &transparency)
uint32_t getPackedValue (const float transparency=0​.0f) const
Additional Inherited Members
Detailed DescriptionThe SbColor class contains the red, green and blue components which make up a color value​. This class is used within other classes in Coin​. It inherits the SbVec3f class, interpreting the 3 component vector as a vector in the RGB cube where the red, green and blue components corresponds to x, y and z respectively​. SbColor also adds a few extra methods for convenient handling of setting and getting color values as 32 bit packed values or as HSV values​. See also SbVec3f, SbColor4f
Constructor & Destructor Documentation
SbColor::SbColor (void)Default constructor​. The color value will be uninitialized​.
SbColor::SbColor (const SbVec3f & v)Construct and initialize an SbColor with the red, green and blue values given by the v vector​.
SbColor::SbColor (const float *const rgb)Construct and initialize an SbColor with the red, green and blue taken from given rgb array​.
SbColor::SbColor (const float r, const float g, const float b)Construct and initialize an SbColor with the given red, green and blue values​.
Member Function Documentation
SbColor & SbColor::setHSVValue (float hue, float saturation, float value)Set the color as a hue, saturation, value triplet​. The hue component should be normalized to within [0, 1] before you call this method, where 0 is equal to 0° and 1 is equal to 360°​. See also getHSVValue()​. References SoDebugError::postWarning(), and SbVec3f::setValue()​. Referenced by SoMFColor::set1HSVValue(), SoMFColor::setHSVValue(), SoSFColor::setHSVValue(), setHSVValue(), and SbColor4f::setHSVValue()​.
SbColor & SbColor::setHSVValue (const float hsv[3])Set the color as a hue, saturation, value triplet​. The hue component should be normalized to within [0, 1] before you call this method, where 0 is equal to 0° and 1 is equal to 360°​. See also getHSVValue()​. References setHSVValue()​.
void SbColor::getHSVValue (float & h, float & s, float & v) constReturn the color as a hue, saturation, value triplet​. See also setHSVValue()​. Referenced by SbColor4f::getHSVValue(), and getHSVValue()​.
void SbColor::getHSVValue (float hsv[3]) constReturn the color as a hue, saturation, value triplet​. See also setHSVValue()​. References getHSVValue()​.
SbColor & SbColor::setPackedValue (const uint32_t rgba, float & transparency)Set the color value as a 32 bit combined red/green/blue/alpha value​. Each component is 8 bit wide (i​.e​. from 0x00 to 0xff), and the red value should be stored leftmost, like this: 0xRRGGBBAA​. The transparency value is not stored internally in SbColor, just converted to a transparency value in [0, 1] and returned in the transparency field​. A value of 1​.0 means completely transparent and a value of 0​.0 is completely opaque​. See also getPackedValue()​. References SbVec3f::setValue()​.
uint32_t SbColor::getPackedValue (const float transparency = 0​.0f) constReturn color as a 32 bit packed integer in the form 0xRRGGBBAA​. The transparency part of the return value is taken from the supplied transparency argument​. See also setPackedValue()​. Referenced by SoVRMLIndexedLineSet::GLRender(), and SoVRMLInline::GLRender()​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
Johanes Gumabo
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