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// Copyright (c) 2011 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 "base/logging.h"
#include "printing/metafile_skia_wrapper.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkDevice.h"
#include "third_party/skia/include/core/SkMetaData.h"
namespace printing {
namespace {
const char* kDraftModeKey = "CrDraftMode";
const char* kMetafileKey = "CrMetafile";
SkMetaData& getMetaData(SkCanvas* canvas) {
DCHECK(canvas != NULL);
SkDevice* device = canvas->getDevice();
DCHECK(device != NULL);
return device->getMetaData();
}
} // namespace
// static
void MetafileSkiaWrapper::SetMetafileOnCanvas(SkCanvas* canvas,
Metafile* metafile) {
MetafileSkiaWrapper* wrapper = NULL;
if (metafile)
wrapper = new MetafileSkiaWrapper(metafile);
SkMetaData& meta = getMetaData(canvas);
meta.setRefCnt(kMetafileKey, wrapper);
SkSafeUnref(wrapper);
}
// static
Metafile* MetafileSkiaWrapper::GetMetafileFromCanvas(SkCanvas* canvas) {
SkMetaData& meta = getMetaData(canvas);
SkRefCnt* value;
if (!meta.findRefCnt(kMetafileKey, &value) || !value)
return NULL;
return static_cast<MetafileSkiaWrapper*>(value)->metafile_;
}
// static
void MetafileSkiaWrapper::SetDraftMode(SkCanvas* canvas, bool draft_mode) {
SkMetaData& meta = getMetaData(canvas);
meta.setBool(kDraftModeKey, draft_mode);
}
// static
bool MetafileSkiaWrapper::GetDraftMode(SkCanvas* canvas) {
SkMetaData& meta = getMetaData(canvas);
bool draft_mode;
if (!meta.findBool(kDraftModeKey, &draft_mode))
draft_mode = false;
return draft_mode;
}
MetafileSkiaWrapper::MetafileSkiaWrapper(Metafile* metafile)
: metafile_(metafile) {
}
} // namespace printing
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