gamma.h File Reference

Utilities to map colors between gamma spaces. More...

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Functions
GF_API GfVec3f	GfApplyGamma (const GfVec3f &v, double gamma)
	Return a new vector with each component of v raised to the power gamma.
GF_API GfVec3d	GfApplyGamma (const GfVec3d &v, double gamma)
	Return a new vector with each component of v raised to the power gamma.
GF_API GfVec3h	GfApplyGamma (const GfVec3h &v, double gamma)
GF_API GfVec4f	GfApplyGamma (const GfVec4f &v, double gamma)
	Return a new vector with the first three components of v raised to the power gamma and the fourth component unchanged.
GF_API GfVec4d	GfApplyGamma (const GfVec4d &v, double gamma)
	Return a new vector with the first three components of v raised to the power gamma and the fourth component unchanged.
GF_API GfVec4h	GfApplyGamma (const GfVec4h &v, double gamma)
GF_API float	GfApplyGamma (const float &v, double gamma)
	Return a new float raised to the power gamma.
GF_API unsigned char	GfApplyGamma (const unsigned char &v, double gamma)
	Return a new char raised to the power gamma.
GF_API double	GfGetDisplayGamma ()
	Return the system display gamma.
GF_API GfVec3f	GfConvertLinearToDisplay (const GfVec3f &v)
	Given a vec, v, representing an energy-linear RGB(A) color, return a vec of the same type converted to the system's display gamma.
GF_API GfVec3d	GfConvertLinearToDisplay (const GfVec3d &v)
GF_API GfVec3h	GfConvertLinearToDisplay (const GfVec3h &v)
GF_API GfVec4f	GfConvertLinearToDisplay (const GfVec4f &v)
GF_API GfVec4d	GfConvertLinearToDisplay (const GfVec4d &v)
GF_API GfVec4h	GfConvertLinearToDisplay (const GfVec4h &v)
GF_API float	GfConvertLinearToDisplay (const float &v)
GF_API unsigned char	GfConvertLinearToDisplay (const unsigned char &v)
GF_API GfVec3f	GfConvertDisplayToLinear (const GfVec3f &v)
	Given a vec, v, representing an RGB(A) color in the system's display gamma space, return an energy-linear vec of the same type.
GF_API GfVec3d	GfConvertDisplayToLinear (const GfVec3d &v)
GF_API GfVec3h	GfConvertDisplayToLinear (const GfVec3h &v)
GF_API GfVec4f	GfConvertDisplayToLinear (const GfVec4f &v)
GF_API GfVec4d	GfConvertDisplayToLinear (const GfVec4d &v)
GF_API GfVec4h	GfConvertDisplayToLinear (const GfVec4h &v)
GF_API float	GfConvertDisplayToLinear (const float &v)
GF_API unsigned char	GfConvertDisplayToLinear (const unsigned char &v)

Detailed Description

Utilities to map colors between gamma spaces.

Definition in file gamma.h.

Function Documentation

GfApplyGamma() [1/8]

GF_API float GfApplyGamma	(	const float &	v,
		double	gamma
	)

Return a new float raised to the power gamma.

GfApplyGamma() [2/8]

GF_API GfVec3d GfApplyGamma	(	const GfVec3d &	v,
		double	gamma
	)

Return a new vector with each component of v raised to the power gamma.

GfApplyGamma() [3/8]

GF_API GfVec3f GfApplyGamma	(	const GfVec3f &	v,
		double	gamma
	)

Return a new vector with each component of v raised to the power gamma.

GfApplyGamma() [4/8]

GF_API GfVec3h GfApplyGamma	(	const GfVec3h &	v,
		double	gamma
	)

GfApplyGamma() [5/8]

GF_API GfVec4d GfApplyGamma	(	const GfVec4d &	v,
		double	gamma
	)

Return a new vector with the first three components of v raised to the power gamma and the fourth component unchanged.

GfApplyGamma() [6/8]

GF_API GfVec4f GfApplyGamma	(	const GfVec4f &	v,
		double	gamma
	)

Return a new vector with the first three components of v raised to the power gamma and the fourth component unchanged.

GfApplyGamma() [7/8]

GF_API GfVec4h GfApplyGamma	(	const GfVec4h &	v,
		double	gamma
	)

GfApplyGamma() [8/8]

GF_API unsigned char GfApplyGamma	(	const unsigned char &	v,
		double	gamma
	)

Return a new char raised to the power gamma.

GfConvertDisplayToLinear()

GF_API GfVec3f GfConvertDisplayToLinear

(

const GfVec3f &

v

)

Given a vec, v, representing an RGB(A) color in the system's display gamma space, return an energy-linear vec of the same type.

GfConvertLinearToDisplay()

GF_API GfVec3f GfConvertLinearToDisplay

(

const GfVec3f &

v

)

Given a vec, v, representing an energy-linear RGB(A) color, return a vec of the same type converted to the system's display gamma.

GfGetDisplayGamma()

GF_API double GfGetDisplayGamma

(

)

Return the system display gamma.