ph::pixel_texture Namespace Reference

Enumerations
enum class	EWrapMode { Repeat = 0 , ClampToEdge , FlippedClampToEdge }
enum class	ESampleMode { Nearest = 0 , Bilinear , Trilinear }
enum class	EPixelLayout {   RGBA = 0 , R , G , B ,   Monochromatic , A , RG , RGB ,   BGR , ARGB , ABGR , BGRA }
	Pixel layout of pixel texture. Represent the ordering of pixel components with respect to a color space. The characters RGB does not mean the pixel is in RGB color space. It simply represents pixel components, using R, G, B as placeholders. More...

Functions
float64	uv_to_st_scalar (const float64 inputUV, const EWrapMode wrapMode)
	Transform (u, v) coordinates to (s, t) in [0, 1] according to wrap mode. This overload operates on single channel only. The transformation will preserve texel density as it originally is (e.g, no scaling effect).
math::Vector2D	uv_to_st (const math::Vector2D &inputUV, const EWrapMode wrapModeS, const EWrapMode wrapModeT)
	Transform (u, v) coordinates to (s, t) in [0, 1] according to wrap mode. The transformation will preserve texel density as it originally is (e.g, no scaling effect).
std::size_t	num_pixel_elements (const EPixelLayout layout)
std::size_t	alpha_channel_index (const EPixelLayout layout)

Enumeration Type Documentation

EPixelLayout

enum class ph::pixel_texture::EPixelLayout

strong

Pixel layout of pixel texture. Represent the ordering of pixel components with respect to a color space. The characters RGB does not mean the pixel is in RGB color space. It simply represents pixel components, using R, G, B as placeholders.

Enumerator
RGBA
R
G
B
Monochromatic
A
RG
RGB
BGR
ARGB
ABGR
BGRA

ESampleMode

enum class ph::pixel_texture::ESampleMode

strong

Enumerator
Nearest
Bilinear
Trilinear

EWrapMode

enum class ph::pixel_texture::EWrapMode

strong

Enumerator
Repeat
ClampToEdge
FlippedClampToEdge

Function Documentation

alpha_channel_index()

std::size_t ph::pixel_texture::alpha_channel_index ( const EPixelLayout layout )

inline

num_pixel_elements()

std::size_t ph::pixel_texture::num_pixel_elements ( const EPixelLayout layout )

inline

uv_to_st()

math::Vector2D ph::pixel_texture::uv_to_st ( const math::Vector2D & inputUV, const EWrapMode wrapModeS, const EWrapMode wrapModeT )

inline

Transform (u, v) coordinates to (s, t) in [0, 1] according to wrap mode. The transformation will preserve texel density as it originally is (e.g, no scaling effect).

uv_to_st_scalar()

float64 ph::pixel_texture::uv_to_st_scalar ( const float64 inputUV, const EWrapMode wrapMode )

inline

Transform (u, v) coordinates to (s, t) in [0, 1] according to wrap mode. This overload operates on single channel only. The transformation will preserve texel density as it originally is (e.g, no scaling effect).