include/rive/shapes/paint/linear_gradient.hpp

#ifndef _RIVE_LINEAR_GRADIENT_HPP_
#define _RIVE_LINEAR_GRADIENT_HPP_
#include "rive/generated/shapes/paint/linear_gradient_base.hpp"
#include "rive/math/vec2d.hpp"
#include "rive/shapes/paint/color.hpp"
#include "rive/shapes/paint/shape_paint_mutator.hpp"
#include <vector>

namespace rive
{
class Node;
class GradientStop;
class PointDeformer;

class LinearGradient : public LinearGradientBase, public ShapePaintMutator
{
public:
    StatusCode onAddedDirty(CoreContext* context) override;
    void addStop(GradientStop* stop);
    void update(ComponentDirt value) override;
    void markGradientDirty();
    void markStopsDirty();
    void applyTo(RenderPaint* renderPaint, float opacityModifier) override;

protected:
    void buildDependencies() override;
    void startXChanged() override;
    void startYChanged() override;
    void endXChanged() override;
    void endYChanged() override;
    void opacityChanged() override;
    void renderOpacityChanged() override;

    virtual void makeGradient(RenderPaint* renderPaint,
                              Vec2D start,
                              Vec2D end,
                              const ColorInt[],
                              const float[],
                              size_t count) const;

private:
    // Set m_deformer from the shape paint container
    void updateDeformer();

    std::vector<GradientStop*> m_stops;
    Node* m_shapePaintContainer = nullptr;
    PointDeformer* m_deformer = nullptr;
    std::vector<ColorInt> m_colorStorage;
};
} // namespace rive

#endif