1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | #include "flutter/lib/ui/painting/image_shader.h" |
6 | |
7 | #include "flutter/lib/ui/ui_dart_state.h" |
8 | #include "third_party/tonic/converter/dart_converter.h" |
9 | #include "third_party/tonic/dart_args.h" |
10 | #include "third_party/tonic/dart_binding_macros.h" |
11 | #include "third_party/tonic/dart_library_natives.h" |
12 | |
13 | using tonic::ToDart; |
14 | |
15 | namespace flutter { |
16 | |
17 | static void ImageShader_constructor(Dart_NativeArguments args) { |
18 | DartCallConstructor(&ImageShader::Create, args); |
19 | } |
20 | |
21 | IMPLEMENT_WRAPPERTYPEINFO(ui, ImageShader); |
22 | |
23 | #define FOR_EACH_BINDING(V) V(ImageShader, initWithImage) |
24 | |
25 | FOR_EACH_BINDING(DART_NATIVE_CALLBACK) |
26 | |
27 | void ImageShader::RegisterNatives(tonic::DartLibraryNatives* natives) { |
28 | natives->Register( |
29 | {{"ImageShader_constructor" , ImageShader_constructor, 1, true}, |
30 | FOR_EACH_BINDING(DART_REGISTER_NATIVE)}); |
31 | } |
32 | |
33 | fml::RefPtr<ImageShader> ImageShader::Create() { |
34 | return fml::MakeRefCounted<ImageShader>(); |
35 | } |
36 | |
37 | void ImageShader::initWithImage(CanvasImage* image, |
38 | SkTileMode tmx, |
39 | SkTileMode tmy, |
40 | const tonic::Float64List& matrix4) { |
41 | if (!image) { |
42 | Dart_ThrowException( |
43 | ToDart("ImageShader constructor called with non-genuine Image." )); |
44 | return; |
45 | } |
46 | SkMatrix sk_matrix = ToSkMatrix(matrix4); |
47 | set_shader(UIDartState::CreateGPUObject( |
48 | image->image()->makeShader(tmx, tmy, &sk_matrix))); |
49 | } |
50 | |
51 | ImageShader::ImageShader() = default; |
52 | |
53 | ImageShader::~ImageShader() = default; |
54 | |
55 | } // namespace flutter |
56 | |