121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef COLOR_H
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#define COLOR_H
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#include <QColor>
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#include <QDebug>
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#include "common/define.h"
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#include "render/videoparams.h"
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namespace olive {
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/**
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* @brief High precision 32-bit float based RGBA color value
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*/
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class Color
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{
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public:
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Color()
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{
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for (int i=0;i<VideoParams::kRGBAChannelCount;i++) {
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data_[i] = 0.0;
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}
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}
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Color(const float& r, const float& g, const float& b, const float& a = 1.0f)
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{
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data_[0] = r;
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data_[1] = g;
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data_[2] = b;
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data_[3] = a;
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}
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Color(const char *data, const VideoParams::Format &format, int ch_layout);
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Color(const QColor& c);
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/**
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* @brief Creates a Color struct from hue/saturation/value
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*
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* Hue expects a value between 0.0 and 360.0. Saturation and Value expect a value between 0.0 and 1.0.
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*/
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static Color fromHsv(const float& h, const float& s, const float &v);
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const float& red() const {return data_[0];}
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const float& green() const {return data_[1];}
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const float& blue() const {return data_[2];}
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const float& alpha() const {return data_[3];}
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void toHsv(float* hue, float* sat, float* val) const;
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float hsv_hue() const;
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float hsv_saturation() const;
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float value() const;
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void toHsl(float* hue, float* sat, float* lightness) const;
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float hsl_hue() const;
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float hsl_saturation() const;
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float lightness() const;
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void set_red(const float& red) {data_[0] = red;}
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void set_green(const float& green) {data_[1] = green;}
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void set_blue(const float& blue) {data_[2] = blue;}
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void set_alpha(const float& alpha) {data_[3] = alpha;}
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float* data() {return data_;}
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const float* data() const {return data_;}
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void toData(char* data, const VideoParams::Format& format, int ch_layout) const;
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static Color fromData(const char* data, const VideoParams::Format& format, int ch_layout);
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QColor toQColor() const;
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// Suuuuper rough luminance value mostly used for UI (determining whether to overlay with black
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// or white text)
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float GetRoughLuminance() const;
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// Assignment math operators
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const Color& operator+=(const Color& rhs);
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const Color& operator-=(const Color& rhs);
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const Color& operator*=(const float& rhs);
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const Color& operator/=(const float& rhs);
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// Binary math operators
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Color operator+(const Color& rhs) const;
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Color operator-(const Color& rhs) const;
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Color operator*(const float& rhs) const;
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Color operator/(const float& rhs) const;
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private:
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float data_[VideoParams::kRGBAChannelCount];
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};
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}
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QDebug operator<<(QDebug debug, const olive::Color& r);
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Q_DECLARE_METATYPE(olive::Color)
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#endif // COLOR_H
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