colorutils.cpp File Reference

Detailed Description

Misc utility functions for palettes, blending, and more.

This file is being refactored.

Definition in file colorutils.cpp.

#include <math.h>
#include <stdint.h>
#include "FastLED.h"
#include "fl/assert.h"
#include "fl/colorutils.h"
#include "fl/unused.h"
#include "fl/xymap.h"

Include dependency graph for colorutils.cpp:

Go to the source code of this file.

Namespaces
namespace	fl
	Implements a simple red square effect for 2D LED grids.

Macros
#define	__PROG_TYPES_COMPAT__
#define	FASTLED_INTERNAL

Functions
CRGB	fl::applyGamma_video (const CRGB &orig, float gamma)
CRGB	fl::applyGamma_video (const CRGB &orig, float gammaR, float gammaG, float gammaB)
uint8_t	fl::applyGamma_video (uint8_t brightness, float gamma)
CHSV	fl::blend (const CHSV &p1, const CHSV &p2, fract8 amountOfP2, TGradientDirectionCode directionCode)
CHSV *	fl::blend (const CHSV *src1, const CHSV *src2, CHSV *dest, uint16_t count, fract8 amountOfsrc2, TGradientDirectionCode directionCode)
CRGB	fl::blend (const CRGB &p1, const CRGB &p2, fract8 amountOfP2)
CRGB *	fl::blend (const CRGB *src1, const CRGB *src2, CRGB *dest, uint16_t count, fract8 amountOfsrc2)
CHSV	fl::ColorFromPalette (const CHSVPalette16 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
CHSV	fl::ColorFromPalette (const CHSVPalette256 &pal, uint8_t index, uint8_t brightness, TBlendType)
CHSV	fl::ColorFromPalette (const CHSVPalette32 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPalette (const CRGBPalette16 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPalette (const CRGBPalette256 &pal, uint8_t index, uint8_t brightness, TBlendType)
CRGB	fl::ColorFromPalette (const CRGBPalette32 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPalette (const TProgmemRGBPalette16 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPalette (const TProgmemRGBPalette32 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPaletteExtended (const CRGBPalette16 &pal, uint16_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPaletteExtended (const CRGBPalette256 &pal, uint16_t index, uint8_t brightness, TBlendType blendType)
CRGB	fl::ColorFromPaletteExtended (const CRGBPalette32 &pal, uint16_t index, uint8_t brightness, TBlendType blendType)
void	fl::fade_raw (CRGB *leds, uint16_t num_leds, uint8_t fadeBy)
void	fl::fade_video (CRGB *leds, uint16_t num_leds, uint8_t fadeBy)
void	fl::fadeLightBy (CRGB *leds, uint16_t num_leds, uint8_t fadeBy)
void	fl::fadeToBlackBy (CRGB *leds, uint16_t num_leds, uint8_t fadeBy)
void	fl::fadeUsingColor (CRGB *leds, uint16_t numLeds, const CRGB &colormask)
CRGB	fl::HeatColor (uint8_t temperature)
uint8_t	fl::lsrX4 (uint8_t dividend)
	Helper function to divide a number by 16, aka four logical shift right (LSR)'s.
CRGB &	fl::napplyGamma_video (CRGB &rgb, float gamma)
CRGB &	fl::napplyGamma_video (CRGB &rgb, float gammaR, float gammaG, float gammaB)
void	fl::napplyGamma_video (CRGB *rgbarray, uint16_t count, float gamma)
void	fl::napplyGamma_video (CRGB *rgbarray, uint16_t count, float gammaR, float gammaG, float gammaB)
CHSV &	fl::nblend (CHSV &existing, const CHSV &overlay, fract8 amountOfOverlay, TGradientDirectionCode directionCode)
void	fl::nblend (CHSV *existing, const CHSV *overlay, uint16_t count, fract8 amountOfOverlay, TGradientDirectionCode directionCode)
CRGB &	fl::nblend (CRGB &existing, const CRGB &overlay, fract8 amountOfOverlay)
void	fl::nblend (CRGB *existing, const CRGB *overlay, uint16_t count, fract8 amountOfOverlay)
void	fl::nblendPaletteTowardPalette (CRGBPalette16 &current, CRGBPalette16 &target, uint8_t maxChanges)
void	fl::nscale8 (CRGB *leds, uint16_t num_leds, uint8_t scale)
void	fl::nscale8_video (CRGB *leds, uint16_t num_leds, uint8_t scale)
void	fl::UpscalePalette (const class CHSVPalette16 &srcpal16, class CHSVPalette256 &destpal256)
void	fl::UpscalePalette (const class CHSVPalette16 &srcpal16, class CHSVPalette32 &destpal32)
void	fl::UpscalePalette (const class CHSVPalette32 &srcpal32, class CHSVPalette256 &destpal256)
void	fl::UpscalePalette (const class CRGBPalette16 &srcpal16, class CRGBPalette256 &destpal256)
void	fl::UpscalePalette (const class CRGBPalette16 &srcpal16, class CRGBPalette32 &destpal32)
void	fl::UpscalePalette (const class CRGBPalette32 &srcpal32, class CRGBPalette256 &destpal256)