42 lines
818 B
C++
42 lines
818 B
C++
// Copyright (c) Charles J. Cliffe
|
|
// SPDX-License-Identifier: GPL-2.0+
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
|
|
class GradientColor {
|
|
public:
|
|
float r, g, b;
|
|
float w;
|
|
|
|
//should work with both float and double inputs
|
|
GradientColor(double r_in, double g_in, double b_in) :
|
|
r((float)r_in), g((float)g_in), b((float)b_in), w(1) {
|
|
}
|
|
};
|
|
|
|
class Gradient {
|
|
public:
|
|
Gradient();
|
|
|
|
void addColor(GradientColor c);
|
|
|
|
void clear();
|
|
|
|
void addColors(const std::vector<GradientColor>& color_list);
|
|
|
|
std::vector<float> &getRed();
|
|
std::vector<float> &getGreen();
|
|
std::vector<float> &getBlue();
|
|
|
|
void generate(unsigned int len);
|
|
|
|
~Gradient();
|
|
private:
|
|
std::vector<GradientColor> colors;
|
|
std::vector<float> r_val;
|
|
std::vector<float> g_val;
|
|
std::vector<float> b_val;
|
|
};
|