third_party/WebKit/Source/modules/shapedetection/ShapeDetector.h

// Copyright 2016 The Chromium 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 ShapeDetector_h
#define ShapeDetector_h

#include "bindings/core/v8/ScriptPromise.h"
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "core/imagebitmap/ImageBitmapFactories.h"
#include "modules/ModulesExport.h"
#include "modules/canvas/canvas2d/CanvasRenderingContext2D.h"
#include "platform/bindings/ScriptWrappable.h"
#include "skia/public/interfaces/bitmap.mojom-blink.h"
#include "third_party/skia/include/core/SkBitmap.h"

namespace blink {

class MODULES_EXPORT ShapeDetector : public ScriptWrappable {
 public:
  virtual ~ShapeDetector() = default;

  ScriptPromise detect(ScriptState*, const ImageBitmapSourceUnion&);

 private:
  ScriptPromise DetectShapesOnImageData(ScriptPromiseResolver*, ImageData*);
  ScriptPromise DetectShapesOnImageElement(ScriptPromiseResolver*,
                                           const HTMLImageElement*);

  virtual ScriptPromise DoDetect(ScriptPromiseResolver*, SkBitmap) = 0;
};

}  // namespace blink

#endif  // ShapeDetector_h