Color classes [RGB565, RGB24, RGB32, RGB64, RGBf, HSV]. More...

#include "Misc.h"
#include <stdint.h>
#include <math.h>
#include <type_traits>
#include "Vec3.h"
#include "Vec4.h"
#include "Color.inl"

Classes
struct	tgx::RGB565
	Color in R5/G6/B5 format. More...

struct	tgx::RGB24
	Color in R8/G8/B8 format. More...

struct	tgx::RGB32
	Color in R8/G8/B8/A8 format. More...

struct	tgx::RGB64
	Color in R16/G16/B16/A16 format. More...

struct	tgx::RGBf
	Color in R,G,B float format. More...

struct	tgx::HSV
	Color in H/S/V format [experimental]. More...

Macros
#define	TGX_RGB565_ORDER_BGR 1
	color ordering for RGB565 (default B,G,R for compatibility with adafruit and most SPI display)

#define	TGX_RGB24_ORDER_BGR 0
	color ordering for RGB24 (default R,G,B)

#define	TGX_RGB32_ORDER_BGR 1
	color ordering for RGB565 (default B,G,R for compatibility with the mtools library)

#define	TGX_RGB64_ORDER_BGR 0
	color ordering for RGB64 (default R,G,B)

#define	TGX_RGBf_ORDER_BGR 0
	color ordering for RGBf (default R,G,B)

Functions
RGB565	tgx::interpolateColorsTriangle (const RGB565 &col1, int32_t C1, const RGB565 &col2, int32_t C2, const RGB565 &col3, const int32_t totC)
	Interpolate between 3 colors. More...

RGB565	tgx::interpolateColorsBilinear (const RGB565 &C00, const RGB565 &C10, const RGB565 &C01, const RGB565 &C11, const float ax, const float ay)
	Bilinear interpolation between 4 colors. More...

RGB565	tgx::meanColor (RGB565 colA, RGB565 colB)
	Return the average color between colA and colB. More...

RGB565	tgx::meanColor (RGB565 colA, RGB565 colB, RGB565 colC, RGB565 colD)
	Return the average color between 4 colors. More...

RGB24	tgx::interpolateColorsTriangle (const RGB24 &col1, int32_t C1, const RGB24 &col2, int32_t C2, const RGB24 &col3, const int32_t totC)
	Interpolate between 3 colors. More...

RGB24	tgx::interpolateColorsBilinear (const RGB24 &C00, const RGB24 &C10, const RGB24 &C01, const RGB24 &C11, const float ax, const float ay)
	Bilinear interpolation between 4 colors. More...

RGB24	tgx::meanColor (const RGB24 &colA, const RGB24 &colB)
	Return the average color between colA and colB.

RGB24	tgx::meanColor (const RGB24 &colA, const RGB24 &colB, const RGB24 &colC, const RGB24 &colD)
	Return the average color between 4 colors.

RGB32	tgx::interpolateColorsTriangle (const RGB32 &col1, int32_t C1, const RGB32 &col2, int32_t C2, const RGB32 &col3, const int32_t totC)
	Interpolate between 3 colors. More...

RGB32	tgx::interpolateColorsBilinear (const RGB32 &C00, const RGB32 &C10, const RGB32 &C01, const RGB32 &C11, const float ax, const float ay)
	Bilinear interpolation between 4 colors. More...

RGB32	tgx::meanColor (RGB32 colA, RGB32 colB)
	Return the average color between colA and colB.

RGB32	tgx::meanColor (RGB32 colA, RGB32 colB, RGB32 colC, RGB32 colD)
	Return the average color between 4 colors.

RGB64	tgx::interpolateColorsTriangle (const RGB64 &col1, int32_t C1, const RGB64 &col2, int32_t C2, const RGB64 &col3, const int32_t totC)
	Interpolate between 3 colors. More...

RGB64	tgx::interpolateColorsBilinear (const RGB64 &C00, const RGB64 &C10, const RGB64 &C01, const RGB64 &C11, const float ax, const float ay)
	Bilinear interpolation between 4 colors. More...

RGB64	tgx::meanColor (const RGB64 &colA, const RGB64 &colB)
	Return the average color between colA and colB.

RGB64	tgx::meanColor (const RGB64 &colA, const RGB64 &colB, const RGB64 &colC, const RGB64 &colD)
	Return the average color between 4 colors.

RGBf	tgx::interpolate (const RGBf &col1, const RGBf &col2, float alpha)
	Interpolate between 2 colors. More...

RGBf	tgx::interpolateColorsTriangle (const RGBf &col1, int32_t C1, const RGBf &col2, int32_t C2, const RGBf &col3, int32_t totC)
	Interpolate between 3 colors. More...

RGBf	tgx::interpolateColorsBilinear (const RGBf &C00, const RGBf &C10, const RGBf &C01, const RGBf &C11, const float ax, const float ay)
	Bilinear interpolation between 4 colors. More...

RGBf	tgx::meanColor (const RGBf &colA, const RGBf &colB)
	Return the average color between colA and colB.

RGBf	tgx::meanColor (const RGBf &colA, const RGBf &colB, const RGBf &colC, const RGBf &colD)
	Return the average color between 4 colors.

HSV	tgx::interpolateColorsTriangle (HSV col1, int32_t C1, HSV col2, int32_t C2, HSV col3, int32_t totC)
	Interpolate between 3 colors. More...

HSV	tgx::interpolateColorsBilinear (const HSV &C00, const HSV &C10, const HSV &C01, const HSV &C11, const float ax, const float ay)
	Bilinear interpolation between 4 colors. More...

HSV	tgx::meanColor (const HSV &colA, const HSV &colB)
	Return the average color between colA and colB.

HSV	tgx::meanColor (const HSV &colA, const HSV &colB, const HSV &colC, const HSV &colD)
	Return the average color between 4 colors.

Variables
const RGB32	tgx::RGB32_Black
	Color black in RGB32 format.

const RGB32	tgx::RGB32_White
	Color white in RGB32 format.

const RGB32	tgx::RGB32_Red
	Color red in RGB32 format.

const RGB32	tgx::RGB32_Blue
	Color blue in RGB32 format.

const RGB32	tgx::RGB32_Green
	Color green in RGB32 format.

const RGB32	tgx::RGB32_Purple
	Color purple in RGB32 format.

const RGB32	tgx::RGB32_Orange
	Color orange in RGB32 format.

const RGB32	tgx::RGB32_Cyan
	Color cyan in RGB32 format.

const RGB32	tgx::RGB32_Lime
	Color lime in RGB32 format.

const RGB32	tgx::RGB32_Salmon
	Color salmon in RGB32 format.

const RGB32	tgx::RGB32_Maroon
	Color maroon in RGB32 format.

const RGB32	tgx::RGB32_Yellow
	Color yellow in RGB32 format.

const RGB32	tgx::RGB32_Magenta
	Color majenta in RGB32 format.

const RGB32	tgx::RGB32_Olive
	Color olive in RGB32 format.

const RGB32	tgx::RGB32_Teal
	Color teal in RGB32 format.

const RGB32	tgx::RGB32_Gray
	Color gray in RGB32 format.

const RGB32	tgx::RGB32_Silver
	Color silver in RGB32 format.

const RGB32	tgx::RGB32_Navy
	Color navy in RGB32 format.

const RGB32	tgx::RGB32_Transparent
	premultiplied transparent black (0,0,0,0)

const RGB565	tgx::RGB565_Black
	Color black in RGB565 format.

const RGB565	tgx::RGB565_White
	Color white in RGB565 format.

const RGB565	tgx::RGB565_Red
	Color red in RGB565 format.

const RGB565	tgx::RGB565_Blue
	Color blue in RGB565 format.

const RGB565	tgx::RGB565_Green
	Color green in RGB565 format.

const RGB565	tgx::RGB565_Purple
	Color purple in RGB565 format.

const RGB565	tgx::RGB565_Orange
	Color orange in RGB565 format.

const RGB565	tgx::RGB565_Cyan
	Color cyan in RGB565 format.

const RGB565	tgx::RGB565_Lime
	Color lime in RGB565 format.

const RGB565	tgx::RGB565_Salmon
	Color salmon in RGB565 format.

const RGB565	tgx::RGB565_Maroon
	Color maroon in RGB565 format.

const RGB565	tgx::RGB565_Yellow
	Color yellow in RGB565 format.

const RGB565	tgx::RGB565_Magenta
	Color majenta in RGB565 format.

const RGB565	tgx::RGB565_Olive
	Color olive in RGB565 format.

const RGB565	tgx::RGB565_Teal
	Color teal in RGB565 format.

const RGB565	tgx::RGB565_Gray
	Color gray in RGB565 format.

const RGB565	tgx::RGB565_Silver
	Color silver in RGB565 format.

const RGB565	tgx::RGB565_Navy
	Color navy in RGB565 format.

Detailed Description

Color classes [RGB565, RGB24, RGB32, RGB64, RGBf, HSV].

Function Documentation

◆ interpolateColorsTriangle() [1/6]

RGB565 tgx::interpolateColorsTriangle	(	const RGB565 &	col1,
		int32_t	C1,
		const RGB565 &	col2,
		int32_t	C2,
		const RGB565 &	col3,
		const int32_t	totC
	)

inline

Interpolate between 3 colors.

Return the color (C1*col1 + C2*col2 + (totC-C1-C2)*col3) / totC.

◆ interpolateColorsBilinear() [1/6]

RGB565 tgx::interpolateColorsBilinear	(	const RGB565 &	C00,
		const RGB565 &	C10,
		const RGB565 &	C01,
		const RGB565 &	C11,
		const float	ax,
		const float	ay
	)

inline

Bilinear interpolation between 4 colors.

Return the bilinear interpolation of four neighouring pixels in an image with respect to position X where ax and ay are in [0.0f,1.0f] and represent the distance to the mininum coord. in direction x and y, as illustrated in the drawing below:

C01          C11
 
 --ax--X
       |
       ay
C00    |     C10

◆ meanColor() [1/2]

RGB565 tgx::meanColor	(	RGB565	colA,
		RGB565	colB
	)

inline

Return the average color between colA and colB.

TODO : make it faster

◆ meanColor() [2/2]

RGB565 tgx::meanColor	(	RGB565	colA,
		RGB565	colB,
		RGB565	colC,
		RGB565	colD
	)

inline

Return the average color between 4 colors.

TODO : make it faster

◆ interpolateColorsTriangle() [2/6]

RGB24 tgx::interpolateColorsTriangle	(	const RGB24 &	col1,
		int32_t	C1,
		const RGB24 &	col2,
		int32_t	C2,
		const RGB24 &	col3,
		const int32_t	totC
	)

inline

Interpolate between 3 colors.

Return the color (C1*col1 + C2*col2 + (totC-C1-C2)*col3) / totC.

◆ interpolateColorsBilinear() [2/6]

RGB24 tgx::interpolateColorsBilinear	(	const RGB24 &	C00,
		const RGB24 &	C10,
		const RGB24 &	C01,
		const RGB24 &	C11,
		const float	ax,
		const float	ay
	)

inline

Bilinear interpolation between 4 colors.

Return the bilinear interpolation of four neighouring pixels in an image with respect to position X where ax and ay are in [0.0f,1.0f] and represent the distance to the mininum coord. in direction x and y, as illustrated in the drawing below:

C01          C11
 
 --ax--X
       |
       ay
C00    |     C10

◆ interpolateColorsTriangle() [3/6]

RGB32 tgx::interpolateColorsTriangle	(	const RGB32 &	col1,
		int32_t	C1,
		const RGB32 &	col2,
		int32_t	C2,
		const RGB32 &	col3,
		const int32_t	totC
	)

inline

Interpolate between 3 colors.

Return the color (C1*col1 + C2*col2 + (totC-C1-C2)*col3) / totC.

◆ interpolateColorsBilinear() [3/6]

RGB32 tgx::interpolateColorsBilinear	(	const RGB32 &	C00,
		const RGB32 &	C10,
		const RGB32 &	C01,
		const RGB32 &	C11,
		const float	ax,
		const float	ay
	)

inline

Bilinear interpolation between 4 colors.

Return the bilinear interpolation of four neighouring pixels in an image with respect to position X where ax and ay are in [0.0f,1.0f] and represent the distance to the mininum coord. in direction x and y, as illustrated in the drawing below:

C01          C11
 
 --ax--X
       |
       ay
C00    |     C10

◆ interpolateColorsTriangle() [4/6]

RGB64 tgx::interpolateColorsTriangle	(	const RGB64 &	col1,
		int32_t	C1,
		const RGB64 &	col2,
		int32_t	C2,
		const RGB64 &	col3,
		const int32_t	totC
	)

inline

Interpolate between 3 colors.

Return the color (C1*col1 + C2*col2 + (totC-C1-C2)*col3) / totC.

◆ interpolateColorsBilinear() [4/6]

RGB64 tgx::interpolateColorsBilinear	(	const RGB64 &	C00,
		const RGB64 &	C10,
		const RGB64 &	C01,
		const RGB64 &	C11,
		const float	ax,
		const float	ay
	)

inline

Bilinear interpolation between 4 colors.

Return the bilinear interpolation of four neighouring pixels in an image with respect to position X where ax and ay are in [0.0f,1.0f] and represent the distance to the mininum coord. in direction x and y, as illustrated in the drawing below:

C01          C11
 
 --ax--X
       |
       ay
C00    |     C10

◆ interpolate()

RGBf tgx::interpolate	(	const RGBf &	col1,
		const RGBf &	col2,
		float	alpha
	)

inline

Interpolate between 2 colors.

Return the color col1 + alpha*(col2 - col1)

◆ interpolateColorsTriangle() [5/6]

RGBf tgx::interpolateColorsTriangle	(	const RGBf &	col1,
		int32_t	C1,
		const RGBf &	col2,
		int32_t	C2,
		const RGBf &	col3,
		int32_t	totC
	)

inline

Interpolate between 3 colors.

Return the color (C1*col1 + C2*col2 + (totC-C1-C2)*col3) / totC.

◆ interpolateColorsBilinear() [5/6]

RGBf tgx::interpolateColorsBilinear	(	const RGBf &	C00,
		const RGBf &	C10,
		const RGBf &	C01,
		const RGBf &	C11,
		const float	ax,
		const float	ay
	)

inline

Bilinear interpolation between 4 colors.

Return the bilinear interpolation of four neighouring pixels in an image with respect to position X where ax and ay are in [0.0f,1.0f] and represent the distance to the mininum coord. in direction x and y, as illustrated in the drawing below:

C01          C11
 
 --ax--X
       |
       ay
C00    |     C10

◆ interpolateColorsTriangle() [6/6]

HSV tgx::interpolateColorsTriangle	(	HSV	col1,
		int32_t	C1,
		HSV	col2,
		int32_t	C2,
		HSV	col3,
		int32_t	totC
	)

inline

Interpolate between 3 colors.

Return the color (C1*col1 + C2*col2 + (totC-C1-C2)*col3) / totC.

◆ interpolateColorsBilinear() [6/6]

HSV tgx::interpolateColorsBilinear	(	const HSV &	C00,
		const HSV &	C10,
		const HSV &	C01,
		const HSV &	C11,
		const float	ax,
		const float	ay
	)

inline

Bilinear interpolation between 4 colors.

Return the bilinear interpolation of four neighouring pixels in an image with respect to position X where ax and ay are in [0.0f,1.0f] and represent the distance to the mininum coord. in direction x and y, as illustrated in the drawing below:

C01          C11
 
 --ax--X
       |
       ay
C00    |     C10

Classes

Macros

Functions

Variables

Detailed Description

Function Documentation

◆ interpolateColorsTriangle() [1/6]

◆ interpolateColorsBilinear() [1/6]

◆ meanColor() [1/2]

◆ meanColor() [2/2]

◆ interpolateColorsTriangle() [2/6]

◆ interpolateColorsBilinear() [2/6]

◆ interpolateColorsTriangle() [3/6]

◆ interpolateColorsBilinear() [3/6]

◆ interpolateColorsTriangle() [4/6]

◆ interpolateColorsBilinear() [4/6]

◆ interpolate()

◆ interpolateColorsTriangle() [5/6]

◆ interpolateColorsBilinear() [5/6]

◆ interpolateColorsTriangle() [6/6]

◆ interpolateColorsBilinear() [6/6]