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 | #ifndef FLUTTER_LIB_UI_PAINTING_PAINT_H_ |
6 | #define FLUTTER_LIB_UI_PAINTING_PAINT_H_ |
7 | |
8 | #include "third_party/skia/include/core/SkPaint.h" |
9 | #include "third_party/tonic/converter/dart_converter.h" |
10 | |
11 | namespace flutter { |
12 | |
13 | class Paint { |
14 | public: |
15 | Paint() = default; |
16 | Paint(Dart_Handle paint_objects, Dart_Handle paint_data); |
17 | |
18 | const SkPaint* paint() const { return is_null_ ? nullptr : &paint_; } |
19 | |
20 | private: |
21 | friend struct tonic::DartConverter<Paint>; |
22 | |
23 | SkPaint paint_; |
24 | bool is_null_ = true; |
25 | }; |
26 | |
27 | // The PaintData argument is a placeholder to receive encoded data for Paint |
28 | // objects. The data is actually processed by DartConverter<Paint>, which reads |
29 | // both at the given index and at the next index (which it assumes is a byte |
30 | // data for a Paint object). |
31 | class PaintData {}; |
32 | |
33 | } // namespace flutter |
34 | |
35 | namespace tonic { |
36 | |
37 | template <> |
38 | struct DartConverter<flutter::Paint> { |
39 | static flutter::Paint FromArguments(Dart_NativeArguments args, |
40 | int index, |
41 | Dart_Handle& exception); |
42 | }; |
43 | |
44 | template <> |
45 | struct DartConverter<flutter::PaintData> { |
46 | static flutter::PaintData FromArguments(Dart_NativeArguments args, |
47 | int index, |
48 | Dart_Handle& exception); |
49 | }; |
50 | |
51 | } // namespace tonic |
52 | |
53 | #endif // FLUTTER_LIB_UI_PAINTING_PAINT_H_ |
54 | |