Flutter Impeller
aiks_context.h
Go to the documentation of this file.
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_IMPELLER_DISPLAY_LIST_AIKS_CONTEXT_H_
6 #define FLUTTER_IMPELLER_DISPLAY_LIST_AIKS_CONTEXT_H_
7 
8 #include <memory>
9 
14 
15 namespace impeller {
16 
17 struct Picture;
18 
19 class AiksContext {
20  public:
21  /// Construct a new AiksContext.
22  ///
23  /// @param context The Impeller context that Aiks should use for
24  /// allocating resources and executing device
25  /// commands. Required.
26  /// @param typographer_context The text backend to use for rendering text. If
27  /// `nullptr` is supplied, then attempting to draw
28  /// text with Aiks will result in validation
29  /// errors.
30  /// @param render_target_allocator Injects a render target allocator or
31  /// allocates its own if none is supplied.
32  AiksContext(std::shared_ptr<Context> context,
33  std::shared_ptr<TypographerContext> typographer_context,
34  std::optional<std::shared_ptr<RenderTargetAllocator>>
35  render_target_allocator = std::nullopt);
36 
38 
39  bool IsValid() const;
40 
41  std::shared_ptr<Context> GetContext() const;
42 
44 
45  private:
46  std::shared_ptr<Context> context_;
47  std::unique_ptr<ContentContext> content_context_;
48  bool is_valid_ = false;
49 
50  AiksContext(const AiksContext&) = delete;
51 
52  AiksContext& operator=(const AiksContext&) = delete;
53 };
54 
55 } // namespace impeller
56 
57 #endif // FLUTTER_IMPELLER_DISPLAY_LIST_AIKS_CONTEXT_H_
ContentContext & GetContentContext() const
Definition: aiks_context.cc:42
AiksContext(std::shared_ptr< Context > context, std::shared_ptr< TypographerContext > typographer_context, std::optional< std::shared_ptr< RenderTargetAllocator >> render_target_allocator=std::nullopt)
Definition: aiks_context.cc:11
bool IsValid() const
Definition: aiks_context.cc:34
std::shared_ptr< Context > GetContext() const
Definition: aiks_context.cc:38