299bed1c05
5.9.1f * Upgrade library ArduinoJson to 5.11.2 * Upgrade library IRRemoteEsp8266 to 2.2.1 + 2 commits but tweaked some protocols to keep code usage small * Upgrade library NeoPixelBus to 2.2.9 * Upgrade library OneWire to 2.3.3 + 6 commits * Formalize library PubSubClient to 2.6 + 9 commits and additional delay * Add optional ADS1115 driver as alternative for unsupported I2Cdevlib in esp8266-core 2.4.0-rc2 * Fix wrong response name for command HlwISet (#1214)
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*-------------------------------------------------------------------------
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NeoPixelGamma class is used to correct RGB colors for human eye gamma levels
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Written by Michael C. Miller.
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I invest time and resources providing this open source code,
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please support me by dontating (see https://github.com/Makuna/NeoPixelBus)
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-------------------------------------------------------------------------
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This file is part of the Makuna/NeoPixelBus library.
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NeoPixelBus is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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NeoPixelBus is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with NeoPixel. If not, see
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<http://www.gnu.org/licenses/>.
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-------------------------------------------------------------------------*/
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#pragma once
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// NeoGammaEquationMethod uses no memory but is slower than NeoGammaTableMethod
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class NeoGammaEquationMethod
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{
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public:
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static uint8_t Correct(uint8_t value)
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{
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return static_cast<uint8_t>(255.0f * NeoEase::Gamma(value / 255.0f) + 0.5f);
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}
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};
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// NeoGammaTableMethod uses 256 bytes of memory, but is significantly faster
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class NeoGammaTableMethod
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{
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public:
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static uint8_t Correct(uint8_t value)
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{
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return _table[value];
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}
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private:
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static const uint8_t _table[256];
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};
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// use one of the method classes above as a converter for this template class
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template<typename T_METHOD> class NeoGamma
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{
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public:
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RgbColor Correct(const RgbColor& original)
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{
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return RgbColor(T_METHOD::Correct(original.R),
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T_METHOD::Correct(original.G),
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T_METHOD::Correct(original.B));
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}
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RgbwColor Correct(const RgbwColor& original)
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{
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return RgbwColor(T_METHOD::Correct(original.R),
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T_METHOD::Correct(original.G),
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T_METHOD::Correct(original.B),
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T_METHOD::Correct(original.W) );
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}
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};
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