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NeoPixelBus/src/internal/HsbColor.h
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2016-02-28 22:09:31 -08:00
/*-------------------------------------------------------------------------
HsbColor provides a color object that can be directly consumed by NeoPixelBus
Written by Michael C. Miller.
I invest time and resources providing this open source code,
please support me by dontating (see https://github.com/Makuna/NeoPixelBus)
-------------------------------------------------------------------------
This file is part of the Makuna/NeoPixelBus library.
NeoPixelBus is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
NeoPixelBus is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with NeoPixel. If not, see
<http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------*/
#pragma once
#include <Arduino.h>
// ------------------------------------------------------------------------
// HsbColor represents a color object that is represented by Hue, Saturation, Brightness
// component values. It contains helpful color routines to manipulate the
// color.
// ------------------------------------------------------------------------
struct HsbColor
{
// ------------------------------------------------------------------------
// Construct a HsbColor using H, S, B values (0.0 - 1.0)
// ------------------------------------------------------------------------
HsbColor(float h, float s, float b) :
H(h), S(s), B(b)
{
};
// ------------------------------------------------------------------------
// Construct a HsbColor using RgbColor
// ------------------------------------------------------------------------
HsbColor(RgbColor color);
// ------------------------------------------------------------------------
// Construct a HsbColor that will have its values set in latter operations
// CAUTION: The H,S,B members are not initialized and may not be consistent
// ------------------------------------------------------------------------
HsbColor()
{
};
// ------------------------------------------------------------------------
// LinearBlend between two colors by the amount defined by progress variable
// left - the color to start the blend at
// right - the color to end the blend at
// progress - (0.0 - 1.0) value where 0.0 will return left and 1.0 will return right
// and a value between will blend the color weighted linearly between them
// ------------------------------------------------------------------------
static HsbColor LinearBlend(HsbColor left, HsbColor right, float progress);
// ------------------------------------------------------------------------
// Hue, Saturation, Brightness color members
// ------------------------------------------------------------------------
float H;
float S;
float B;
};