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flow
layers
image_filter_layer.h
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// 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_FLOW_LAYERS_IMAGE_FILTER_LAYER_H_
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#define FLUTTER_FLOW_LAYERS_IMAGE_FILTER_LAYER_H_
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#include <memory>
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#include "flutter/flow/layers/cacheable_layer.h"
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namespace
flutter
{
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class
ImageFilterLayer
:
public
CacheableContainerLayer
{
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public
:
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explicit
ImageFilterLayer
(std::shared_ptr<const DlImageFilter> filter,
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const
SkPoint
&
offset
=
SkPoint::Make
(0, 0));
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void
Diff
(
DiffContext
* context,
const
Layer
* old_layer)
override
;
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void
Preroll
(
PrerollContext
* context)
override
;
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void
Paint
(
PaintContext
& context)
const override
;
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private
:
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SkPoint
offset_;
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std::shared_ptr<const DlImageFilter> filter_;
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std::shared_ptr<const DlImageFilter> transformed_filter_;
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FML_DISALLOW_COPY_AND_ASSIGN
(
ImageFilterLayer
);
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};
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}
// namespace flutter
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#endif
// FLUTTER_FLOW_LAYERS_IMAGE_FILTER_LAYER_H_
flutter::CacheableContainerLayer
Definition
cacheable_layer.h:32
flutter::DiffContext
Definition
diff_context.h:44
flutter::ImageFilterLayer
Definition
image_filter_layer.h:13
flutter::ImageFilterLayer::Diff
void Diff(DiffContext *context, const Layer *old_layer) override
Definition
image_filter_layer.cc:21
flutter::ImageFilterLayer::Preroll
void Preroll(PrerollContext *context) override
Definition
image_filter_layer.cc:52
flutter::Layer
Definition
layer.h:126
flutter::Paint
Definition
paint.h:15
FML_DISALLOW_COPY_AND_ASSIGN
#define FML_DISALLOW_COPY_AND_ASSIGN(TypeName)
Definition
macros.h:27
flutter
Definition
asset_manager.cc:10
offset
Point offset
Definition
stroke_path_geometry.cc:256
SkPoint
Definition
SkPoint_impl.h:163
SkPoint::Make
static constexpr SkPoint Make(float x, float y)
Definition
SkPoint_impl.h:173
flutter::PaintContext
Definition
layer.h:87
flutter::PrerollContext
Definition
layer.h:54
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