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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#pragma once
#include <functional>
#include <memory>
#include <vector>
#include "flutter/fml/macros.h"
#include "impeller/entity/contents/color_source_contents.h"
#include "impeller/entity/entity.h"
#include "impeller/geometry/color.h"
#include "impeller/geometry/gradient.h"
#include "impeller/geometry/path.h"
#include "impeller/geometry/point.h"
#include "impeller/geometry/scalar.h"
namespace impeller {
class SweepGradientContents final : public ColorSourceContents {
public:
SweepGradientContents();
~SweepGradientContents() override;
// |Contents|
bool Render(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) const override;
void SetCenterAndAngles(Point center, Degrees start_angle, Degrees end_angle);
void SetColors(std::vector<Color> colors);
void SetStops(std::vector<Scalar> stops);
void SetTileMode(Entity::TileMode tile_mode);
const std::vector<Color>& GetColors() const;
const std::vector<Scalar>& GetStops() const;
private:
bool RenderTexture(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) const;
bool RenderSSBO(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) const;
Point center_;
Scalar bias_;
Scalar scale_;
std::vector<Color> colors_;
std::vector<Scalar> stops_;
Entity::TileMode tile_mode_;
FML_DISALLOW_COPY_AND_ASSIGN(SweepGradientContents);
};
} // namespace impeller