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https://github.com/hyperion-project/hyperion.ng.git
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25d79a9f3f
* Initial Qt6 config * Change Package order to reingfence missing packages * Update to QT 6.2.0 * Qt 6.2.0 updates * macOS fix * Simplify handling QT5 & Qt6 in parallel * Updates for Windows * Fix macos build * macOS linker fix * General support of QTDIR, update docu * MaxOS add default qt directories * Fix merge typo * Update default CMakeSettings.json with installation path options * Add additional libs required by Qt6 to CompileHowTo * Fix Qt5 items Co-authored-by: Paulchen-Panther <16664240+Paulchen-Panther@users.noreply.github.com>
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include <utils/ColorSys.h>
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#include <QColor>
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inline uint8_t clamp(int x)
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{
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return (x<0) ? 0 : ((x>255) ? 255 : uint8_t(x));
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}
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void ColorSys::rgb2hsl(uint8_t red, uint8_t green, uint8_t blue, uint16_t & hue, float & saturation, float & luminance)
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{
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QColor color(red,green,blue);
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
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float h, s, l;
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#else
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qreal h, s, l;
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#endif
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color.getHslF(&h,&s,&l);
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hue = h;
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saturation = s;
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luminance = l;
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}
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void ColorSys::hsl2rgb(uint16_t hue, float saturation, float luminance, uint8_t & red, uint8_t & green, uint8_t & blue)
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{
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QColor color(QColor::fromHslF(hue,(qreal)saturation,(qreal)luminance));
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red = (uint8_t)color.red();
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green = (uint8_t)color.green();
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blue = (uint8_t)color.blue();
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}
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void ColorSys::rgb2hsv(uint8_t red, uint8_t green, uint8_t blue, uint16_t & hue, uint8_t & saturation, uint8_t & value)
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{
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QColor color(red,green,blue);
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hue = color.hsvHue();
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saturation = color.hsvSaturation();
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value = color.value();
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}
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void ColorSys::hsv2rgb(uint16_t hue, uint8_t saturation, uint8_t value, uint8_t & red, uint8_t & green, uint8_t & blue)
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{
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QColor color(QColor::fromHsv(hue,saturation,value));
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red = (uint8_t)color.red();
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green = (uint8_t)color.green();
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blue = (uint8_t)color.blue();
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}
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void ColorSys::yuv2rgb(uint8_t y, uint8_t u, uint8_t v, uint8_t &r, uint8_t &g, uint8_t &b)
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{
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// see: http://en.wikipedia.org/wiki/YUV#Y.27UV444_to_RGB888_conversion
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int c = y - 16;
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int d = u - 128;
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int e = v - 128;
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r = clamp((298 * c + 409 * e + 128) >> 8);
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g = clamp((298 * c - 100 * d - 208 * e + 128) >> 8);
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b = clamp((298 * c + 516 * d + 128) >> 8);
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}
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