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// Copyright (c) 2012 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 "printing/metafile_skia_wrapper.h"
#include "skia/ext/platform_canvas.h"
#include "skia/ext/refptr.h"
#include "third_party/skia/include/core/SkMetaData.h"
namespace printing {
namespace {
const char kMetafileKey[] = "CrMetafile";
} // namespace
// static
void MetafileSkiaWrapper::SetMetafileOnCanvas(const SkCanvas& canvas,
PdfMetafileSkia* metafile) {
skia::RefPtr<MetafileSkiaWrapper> wrapper;
if (metafile)
wrapper = skia::AdoptRef(new MetafileSkiaWrapper(metafile));
SkMetaData& meta = skia::GetMetaData(canvas);
meta.setRefCnt(kMetafileKey, wrapper.get());
}
// static
PdfMetafileSkia* MetafileSkiaWrapper::GetMetafileFromCanvas(
const SkCanvas& canvas) {
SkMetaData& meta = skia::GetMetaData(canvas);
SkRefCnt* value;
if (!meta.findRefCnt(kMetafileKey, &value) || !value)
return nullptr;
return static_cast<MetafileSkiaWrapper*>(value)->metafile_;
}
MetafileSkiaWrapper::MetafileSkiaWrapper(PdfMetafileSkia* metafile)
: metafile_(metafile) {
}
} // namespace printing
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