dl_playground.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_DISPLAY_LIST_DL_PLAYGROUND_H_
#define FLUTTER_IMPELLER_DISPLAY_LIST_DL_PLAYGROUND_H_
 
#include "flutter/display_list/display_list.h"
#include "flutter/display_list/dl_builder.h"
#include "flutter/impeller/testing/screenshot.h"
#include "impeller/playground/playground_test.h"
#include "third_party/skia/include/core/SkFont.h"
 
namespace impeller {
 
class DlPlayground : public PlaygroundTest {
 public:
  using DisplayListPlaygroundCallback =
      std::function<sk_sp<flutter::DisplayList>()>;
 
  DlPlayground();
 
  ~DlPlayground();
 
  bool OpenPlaygroundHere(flutter::DisplayListBuilder& builder);
 
  bool OpenPlaygroundHere(sk_sp<flutter::DisplayList> list);
 
  bool OpenPlaygroundHere(DisplayListPlaygroundCallback callback);
 
  std::unique_ptr<testing::Screenshot> MakeScreenshot(
      const sk_sp<flutter::DisplayList>& list);
 
  SkFont CreateTestFontOfSize(Scalar scalar);
 
  SkFont CreateTestFont();
 
  sk_sp<flutter::DlImage> CreateDlImageForFixture(
      const char* fixture_name,
      bool enable_mipmapping = false) const;
 
 private:
  DlPlayground(const DlPlayground&) = delete;
 
  DlPlayground& operator=(const DlPlayground&) = delete;
};
 
class DlPlaygroundWithGoldens : public DlPlayground {
 protected:
  bool IsGoldenTestSuite() const override { return true; }
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_DISPLAY_LIST_DL_PLAYGROUND_H_