SweepGradient.h

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#pragma once
 
 
#include <optional>
#include <variant>
#include <vector>
 
#include "tiny_skia/shaders/Gradient.h"
 
namespace tiny_skia {
 
class SweepGradient {
 public:
  explicit SweepGradient(Gradient base) : base_(std::move(base)) {}
 
  static std::optional<std::variant<Color, SweepGradient>> create(Point center, float startAngle,
                                                                  float endAngle,
                                                                  std::vector<GradientStop> stops,
                                                                  SpreadMode mode,
                                                                  Transform transform);
 
  [[nodiscard]] bool isOpaque() const { return base_.colorsAreOpaque(); }
 
  [[nodiscard]] bool pushStages(ColorSpace cs, pipeline::RasterPipelineBuilder& p) const;
 
  Gradient base_;
 
 private:
  float t0_ = 0.0f;
  float t1_ = 1.0f;
};
 
}  // namespace tiny_skia