bwGradient.h

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#pragma once
 
#include "bwColor.h"
#include "bwRectangle.h"
 
namespace bWidgets {
 
class bwGradient {
 public:
  enum class Direction {
    TOP_BOTTOM,
    LEFT_RIGHT,
  };
 
  bwGradient() = default;
  explicit bwGradient(const bwColor& base_color,
                      float shade_begin,
                      float shade_end,
                      Direction direction = Direction::TOP_BOTTOM);
 
  auto calcPointColor(const class bwPoint& point, const bwRectanglePixel& bounding_box) const
      -> bwColor;
 
  bwColor begin, end;
  Direction direction{Direction::TOP_BOTTOM};
};
 
}  // namespace bWidgets