hyperion.ng/libsrc/utils/RgbChannelAdjustment.cpp

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#include <utils/RgbChannelAdjustment.h>
RgbChannelAdjustment::RgbChannelAdjustment(QString channelName)
: _channelName(channelName)
, _log(Logger::getInstance(channelName))
, _brightness(0)
{
resetInitialized();
}
RgbChannelAdjustment::RgbChannelAdjustment(uint8_t adjustR, uint8_t adjustG, uint8_t adjustB, QString channelName)
: _channelName(channelName)
, _log(Logger::getInstance(channelName))
{
setAdjustment(adjustR, adjustG, adjustB);
}
RgbChannelAdjustment::~RgbChannelAdjustment()
{
}
void RgbChannelAdjustment::resetInitialized()
{
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//Debug(_log, "initialize mapping with %d,%d,%d", _adjust[RED], _adjust[GREEN], _adjust[BLUE]);
memset(_initialized, false, sizeof(_initialized));
}
void RgbChannelAdjustment::setAdjustment(uint8_t adjustR, uint8_t adjustG, uint8_t adjustB)
{
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_adjust[RED] = adjustR;
_adjust[GREEN] = adjustG;
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_adjust[BLUE] = adjustB;
resetInitialized();
}
uint8_t RgbChannelAdjustment::getAdjustmentR() const
{
return _adjust[RED];
}
uint8_t RgbChannelAdjustment::getAdjustmentG() const
{
return _adjust[GREEN];
}
uint8_t RgbChannelAdjustment::getAdjustmentB() const
{
return _adjust[BLUE];
}
void RgbChannelAdjustment::apply(uint8_t input, uint8_t brightness, uint8_t & red, uint8_t & green, uint8_t & blue)
{
if (_brightness != brightness)
{
_brightness = brightness;
resetInitialized();
}
if (!_initialized[input])
{
_mapping[RED ][input] = qMin( ((_brightness * input * _adjust[RED ]) / 65025), UINT8_MAX);
_mapping[GREEN][input] = qMin( ((_brightness * input * _adjust[GREEN]) / 65025), UINT8_MAX);
_mapping[BLUE ][input] = qMin( ((_brightness * input * _adjust[BLUE ]) / 65025), UINT8_MAX);
_initialized[input] = true;
}
red = _mapping[RED ][input];
green = _mapping[GREEN][input];
blue = _mapping[BLUE ][input];
}