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74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_LIB_UI_PAINTING_GRADIENT_H_
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#define FLUTTER_LIB_UI_PAINTING_GRADIENT_H_
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#include "flutter/lib/ui/dart_wrapper.h"
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#include "flutter/lib/ui/painting/matrix.h"
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#include "flutter/lib/ui/painting/shader.h"
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#include "third_party/skia/include/effects/SkGradientShader.h"
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#include "third_party/tonic/typed_data/typed_list.h"
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namespace tonic {
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class DartLibraryNatives;
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} // namespace tonic
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namespace flutter {
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// TODO: update this if/when Skia adds Decal mode skbug.com/7638
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static_assert(kSkTileModeCount >= 3, "Need to update tile mode enum");
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class CanvasGradient : public Shader {
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DEFINE_WRAPPERTYPEINFO();
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FML_FRIEND_MAKE_REF_COUNTED(CanvasGradient);
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public:
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~CanvasGradient() override;
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static fml::RefPtr<CanvasGradient> Create();
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void initLinear(const tonic::Float32List& end_points,
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const tonic::Int32List& colors,
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const tonic::Float32List& color_stops,
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SkTileMode tile_mode,
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const tonic::Float64List& matrix4);
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void initRadial(double center_x,
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double center_y,
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double radius,
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const tonic::Int32List& colors,
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const tonic::Float32List& color_stops,
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SkTileMode tile_mode,
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const tonic::Float64List& matrix4);
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void initSweep(double center_x,
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double center_y,
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const tonic::Int32List& colors,
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const tonic::Float32List& color_stops,
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SkTileMode tile_mode,
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double start_angle,
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double end_angle,
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const tonic::Float64List& matrix4);
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void initTwoPointConical(double start_x,
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double start_y,
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double start_radius,
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double end_x,
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double end_y,
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double end_radius,
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const tonic::Int32List& colors,
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const tonic::Float32List& color_stops,
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SkTileMode tile_mode,
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const tonic::Float64List& matrix4);
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static void RegisterNatives(tonic::DartLibraryNatives* natives);
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private:
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CanvasGradient();
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};
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} // namespace flutter
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#endif // FLUTTER_LIB_UI_PAINTING_GRADIENT_H_
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