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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/**
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* @file
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* @brief Header file for Color class
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @ref License
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*/
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// Copyright (c) 2008-2019 OpenShot Studios, LLC
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#ifndef OPENSHOT_COLOR_H
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#define OPENSHOT_COLOR_H
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#include "KeyFrame.h"
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#include <QColor>
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namespace openshot {
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/**
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* @brief This class represents a color (used on the timeline and clips)
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*
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* Colors are represented by 4 curves, representing red, green, blue, and alpha. The curves
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* can be used to animate colors over time.
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*/
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class Color{
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public:
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openshot::Keyframe red; ///<Curve representing the red value (0 - 255)
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openshot::Keyframe green; ///<Curve representing the green value (0 - 255)
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openshot::Keyframe blue; ///<Curve representing the red value (0 - 255)
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openshot::Keyframe alpha; ///<Curve representing the alpha value (0 - 255)
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/// Default constructor
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Color() {};
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/// Constructor which takes a QColor
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explicit Color(QColor);
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/// Constructor which takes a hex string ("#rrggbb")
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explicit Color(std::string color_hex);
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explicit Color(const char* color_hex);
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/// Constructor which takes R,G,B,A
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Color(unsigned char Red, unsigned char Green, unsigned char Blue, unsigned char Alpha);
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/// Constructor which takes 4 existing Keyframe curves
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Color(openshot::Keyframe Red, openshot::Keyframe Green, openshot::Keyframe Blue, openshot::Keyframe Alpha);
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/// Get the HEX value of a color at a specific frame
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std::string GetColorHex(int64_t frame_number);
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// Get the RGBA values of a color at a specific frame
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std::vector<int> GetColorRGBA(int64_t frame_number);
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/// Get the distance between 2 RGB pairs. (0=identical colors, 10=very close colors, 760=very different colors)
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static long GetDistance(long R1, long G1, long B1, long R2, long G2, long B2);
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// Get and Set JSON methods
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std::string Json() const; ///< Generate JSON string of this object
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Json::Value JsonValue() const; ///< Generate Json::Value for this object
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void SetJson(const std::string value); ///< Load JSON string into this object
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void SetJsonValue(const Json::Value root); ///< Load Json::Value into this object
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};
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} // namespace openshot
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#endif
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