flutter_flutter/engine/core/painting/TransferMode.cpp
2015-06-02 15:03:44 -04:00

37 lines
1.0 KiB
C++

// Copyright 2015 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 "sky/engine/config.h"
#include "sky/engine/core/painting/TransferMode.h"
#include "sky/engine/core/script/dom_dart_state.h"
#include "sky/engine/tonic/dart_builtin.h"
#include "sky/engine/tonic/dart_error.h"
#include "sky/engine/tonic/dart_value.h"
namespace blink {
// Convert dart_mode => SkXfermode::Mode.
TransferMode DartConverter<TransferMode, void>::FromArgumentsWithNullCheck(
Dart_NativeArguments args,
int index,
Dart_Handle& exception) {
TransferMode result;
Dart_Handle dart_mode = Dart_GetNativeArgument(args, index);
DCHECK(!LogIfError(dart_mode));
Dart_Handle value =
Dart_GetField(dart_mode, DOMDartState::Current()->value_handle());
uint64_t mode = 0;
Dart_Handle rv = Dart_IntegerToUint64(value, &mode);
DCHECK(!LogIfError(rv));
result.sk_mode = static_cast<SkXfermode::Mode>(mode);
return result;
}
} // namespace blink