gecko-dev/widget/TextRecognition.h

55 строки
1.5 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_widget_nsTextRecognition__
#define mozilla_widget_nsTextRecognition__
#include "mozilla/MozPromise.h"
#include "mozilla/gfx/Point.h"
#include "nsTArray.h"
class imgIContainer;
namespace mozilla {
namespace dom {
class ShadowRoot;
class TextRecognitionResultOrError;
class TextRecognitionResult;
} // namespace dom
namespace gfx {
class SourceSurface;
class DataSourceSurface;
} // namespace gfx
namespace widget {
class TextRecognition final {
public:
using NativePromise = MozPromise<dom::TextRecognitionResult, nsCString,
/* IsExclusive = */ true>;
TextRecognition() = default;
static void FillShadow(dom::ShadowRoot&, const dom::TextRecognitionResult&);
static RefPtr<NativePromise> FindText(imgIContainer&,
const nsTArray<nsCString>&);
static RefPtr<NativePromise> FindText(gfx::DataSourceSurface&,
const nsTArray<nsCString>&);
static bool IsSupported();
protected:
// This should be implemented in the OS specific file.
static RefPtr<NativePromise> DoFindText(gfx::DataSourceSurface&,
const nsTArray<nsCString>&);
~TextRecognition() = default;
};
} // namespace widget
} // namespace mozilla
#endif