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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.
#ifndef FLUTTER_IMPELLER_ENTITY_CONTENTS_LINEAR_GRADIENT_CONTENTS_H_
#define FLUTTER_IMPELLER_ENTITY_CONTENTS_LINEAR_GRADIENT_CONTENTS_H_
#include <functional>
#include <memory>
#include <vector>
#include "flutter/fml/macros.h"
#include "flutter/impeller/core/texture.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"
namespace impeller {
class LinearGradientContents final : public ColorSourceContents {
public:
LinearGradientContents();
~LinearGradientContents() override;
// |Contents|
bool IsOpaque() const override;
// |Contents|
bool Render(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) const override;
// |Contents|
[[nodiscard]] bool ApplyColorFilter(
const ColorFilterProc& color_filter_proc) override;
void SetEndPoints(Point start_point, Point end_point);
void SetColors(std::vector<Color> colors);
void SetStops(std::vector<Scalar> stops);
const std::vector<Color>& GetColors() const;
const std::vector<Scalar>& GetStops() const;
void SetTileMode(Entity::TileMode tile_mode);
private:
bool RenderTexture(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) const;
bool RenderSSBO(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) const;
Point start_point_;
Point end_point_;
std::vector<Color> colors_;
std::vector<Scalar> stops_;
Entity::TileMode tile_mode_;
Color decal_border_color_ = Color::BlackTransparent();
LinearGradientContents(const LinearGradientContents&) = delete;
LinearGradientContents& operator=(const LinearGradientContents&) = delete;
};
} // namespace impeller
#endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_LINEAR_GRADIENT_CONTENTS_H_