15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "printing/metafile_skia_wrapper.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "skia/ext/platform_device.h" 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "skia/ext/refptr.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkCanvas.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkDevice.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkMetaData.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace printing { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* kMetafileKey = "CrMetafile"; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* kCustomScaleKey = "CrCustomScale"; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetafileSkiaWrapper::SetMetafileOnCanvas(const SkCanvas& canvas, 231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci PdfMetafileSkia* metafile) { 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) skia::RefPtr<MetafileSkiaWrapper> wrapper; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (metafile) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) wrapper = skia::AdoptRef(new MetafileSkiaWrapper(metafile)); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkMetaData& meta = skia::getMetaData(canvas); 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) meta.setRefCnt(kMetafileKey, wrapper.get()); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano TucciPdfMetafileSkia* MetafileSkiaWrapper::GetMetafileFromCanvas( 341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const SkCanvas& canvas) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkMetaData& meta = skia::getMetaData(canvas); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkRefCnt* value; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!meta.findRefCnt(kMetafileKey, &value) || !value) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<MetafileSkiaWrapper*>(value)->metafile_; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetafileSkiaWrapper::SetCustomScaleOnCanvas(const SkCanvas& canvas, 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) double scale) { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkMetaData& meta = skia::getMetaData(canvas); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) meta.setScalar(kCustomScaleKey, SkFloatToScalar(scale)); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetafileSkiaWrapper::GetCustomScaleOnCanvas(const SkCanvas& canvas, 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) double* scale) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkMetaData& meta = skia::getMetaData(canvas); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkScalar value; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!meta.findScalar(kCustomScaleKey, &value)) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *scale = SkScalarToFloat(value); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano TucciMetafileSkiaWrapper::MetafileSkiaWrapper(PdfMetafileSkia* metafile) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : metafile_(metafile) { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace printing 67