blob: 5f522106a4dda0068ee9a8ed6fc1b7b0cd8426dd [file] [log] [blame]
// Copyright 2017 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.
#include <>
#include <wrl/client.h>
#include <wrl/event.h>
#include "base/callback.h"
#include "base/macros.h"
class SkBitmap;
namespace shape_detection {
namespace WRL = Microsoft::WRL;
using ABI::Windows::Foundation::IAsyncOperation;
using ABI::Windows::Graphics::Imaging::ISoftwareBitmapStatics;
using ABI::Windows::Graphics::Imaging::ISoftwareBitmap;
using ABI::Windows::Graphics::Imaging::BitmapPixelFormat;
// This template represents an asynchronous operation which returns a result
// upon completion, |callback_| will not be run if its object has been already
// destroyed.
template <typename RuntimeType>
class AsyncOperation {
using IAsyncOperationPtr = WRL::ComPtr<IAsyncOperation<RuntimeType*>>;
// A callback run when the asynchronous operation completes. The callback is
// run with the IAsyncOperation that completed on success, or with an empty
// pointer in case of failure.
using Callback = base::OnceCallback<void(IAsyncOperationPtr)>;
~AsyncOperation() = default;
// Creates an AsyncOperation instance which sets |callback| to be called when
// the asynchronous action completes.
static HRESULT BeginAsyncOperation(Callback callback,
IAsyncOperationPtr async_op_ptr);
AsyncOperation(Callback callback, IAsyncOperationPtr async_op_ptr)
: async_op_ptr_(std::move(async_op_ptr)),
callback_(std::move(callback)) {}
void AsyncCallbackInternal(IAsyncOperation<RuntimeType*>* async_op,
AsyncStatus status);
IAsyncOperationPtr async_op_ptr_;
Callback callback_;
// Creates a Windows ISoftwareBitmap from a kN32_SkColorType |bitmap|, or
// returns nullptr.
WRL::ComPtr<ISoftwareBitmap> CreateWinBitmapFromSkBitmap(
const SkBitmap& bitmap,
ISoftwareBitmapStatics* bitmap_factory);
// Creates a Gray8/Nv12 ISoftwareBitmap from a kN32_SkColorType |bitmap|, or
// returns nullptr.
WRL::ComPtr<ISoftwareBitmap> CreateWinBitmapWithPixelFormat(
const SkBitmap& bitmap,
ISoftwareBitmapStatics* bitmap_factory,
BitmapPixelFormat pixel_format);
} // namespace shape_detection