ppb_image_data_impl.h revision 58e6fbe4ee35d65e14b626c557d37565bf8ad179
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) 5bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#ifndef CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ 6bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#define CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 10bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/common/content_export.h" 11bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "content/renderer/pepper/plugin_delegate.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/ppb_image_data.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/ppb_image_data_shared.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/thunk/ppb_image_data_api.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkCanvas.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SkBitmap; 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class SkCanvas; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2158e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdochnamespace content { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 23bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdochclass CONTENT_EXPORT PPB_ImageData_Impl 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public ::ppapi::Resource, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public ::ppapi::PPB_ImageData_Shared, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public NON_EXPORTED_BASE(::ppapi::thunk::PPB_ImageData_API) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We delegate most of our implementation to a back-end class that either uses 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a PlatformCanvas (for most trusted stuff) or bare shared memory (for use by 307d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // NaCl, or trusted plugins when the PlatformCanvas isn't needed). This makes 317d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // it cheap & easy to implement Swap. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class Backend { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Backend() {}; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool Init(PPB_ImageData_Impl* impl, PP_ImageDataFormat format, 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width, int height, bool init_to_zero) = 0; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool IsMapped() const = 0; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual PluginDelegate::PlatformImage2D* PlatformImage() const = 0; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void* Map() = 0; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Unmap() = 0; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) = 0; 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual SkCanvas* GetPlatformCanvas() = 0; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual SkCanvas* GetCanvas() = 0; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const SkBitmap* GetMappedBitmap() const = 0; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If you call this constructor, you must also call Init before use. Normally 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // you should use the static Create function, but this constructor is needed 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for some internal uses of ImageData (like Graphics2D). 507d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) PPB_ImageData_Impl(PP_Instance instance, 517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) PPB_ImageData_Shared::ImageDataType type); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Init(PP_ImageDataFormat format, 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width, int height, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool init_to_zero); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 577d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static PP_Resource Create(PP_Instance pp_instance, 587d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) PPB_ImageData_Shared::ImageDataType type, 597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) PP_ImageDataFormat format, 607d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const PP_Size& size, 617d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) PP_Bool init_to_zero); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width() const { return width_; } 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int height() const { return height_; } 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the image format. 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_ImageDataFormat format() const { return format_; } 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if this image is mapped. False means that the image is either 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invalid or not mapped. See ImageDataAutoMapper below. 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsMapped() const; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PluginDelegate::PlatformImage2D* PlatformImage() const; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Resource override. 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ::ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() OVERRIDE; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // PPB_ImageData_API implementation. 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual PP_Bool Describe(PP_ImageDataDesc* desc) OVERRIDE; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void* Map() OVERRIDE; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Unmap() OVERRIDE; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) OVERRIDE; 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual SkCanvas* GetPlatformCanvas() OVERRIDE; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual SkCanvas* GetCanvas() OVERRIDE; 84c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) virtual void SetIsCandidateForReuse() OVERRIDE; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const SkBitmap* GetMappedBitmap() const; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 89bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch virtual ~PPB_ImageData_Impl(); 90bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_ImageDataFormat format_; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width_; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int height_; 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<Backend> backend_; 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(PPB_ImageData_Impl); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ImageDataPlatformBackend : public PPB_ImageData_Impl::Backend { 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ImageDataPlatformBackend(); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~ImageDataPlatformBackend(); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // PPB_ImageData_Impl::Backend implementation. 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool Init(PPB_ImageData_Impl* impl, PP_ImageDataFormat format, 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width, int height, bool init_to_zero) OVERRIDE; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool IsMapped() const OVERRIDE; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual PluginDelegate::PlatformImage2D* PlatformImage() const OVERRIDE; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void* Map() OVERRIDE; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Unmap() OVERRIDE; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) OVERRIDE; 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual SkCanvas* GetPlatformCanvas() OVERRIDE; 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual SkCanvas* GetCanvas() OVERRIDE; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const SkBitmap* GetMappedBitmap() const OVERRIDE; 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This will be NULL before initialization, and if this PPB_ImageData_Impl is 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // swapped with another. 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<PluginDelegate::PlatformImage2D> platform_image_; 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When the device is mapped, this is the image. Null when umapped. 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<SkCanvas> mapped_canvas_; 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ImageDataPlatformBackend); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1277d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)class ImageDataSimpleBackend : public PPB_ImageData_Impl::Backend { 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) ImageDataSimpleBackend(); 1307d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual ~ImageDataSimpleBackend(); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // PPB_ImageData_Impl::Backend implementation. 133bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch virtual bool Init(PPB_ImageData_Impl* impl, PP_ImageDataFormat format, 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width, int height, bool init_to_zero) OVERRIDE; 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool IsMapped() const OVERRIDE; 136bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch virtual PluginDelegate::PlatformImage2D* PlatformImage() const OVERRIDE; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void* Map() OVERRIDE; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Unmap() OVERRIDE; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) OVERRIDE; 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual SkCanvas* GetPlatformCanvas() OVERRIDE; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual SkCanvas* GetCanvas() OVERRIDE; 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const SkBitmap* GetMappedBitmap() const OVERRIDE; 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::SharedMemory> shared_memory_; 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // skia_bitmap_ is backed by shared_memory_. 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap skia_bitmap_; 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<SkCanvas> skia_canvas_; 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 map_count_; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ImageDataSimpleBackend); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Manages mapping an image resource if necessary. Use this to ensure the 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// image is mapped. The destructor will put the image back into the previous 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// state. You must check is_valid() to make sure the image was successfully 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// mapped before using it. 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Example: 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ImageDataAutoMapper mapper(image_data); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// if (!mapper.is_valid()) 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// return utter_failure; 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// image_data->mapped_canvas()->blah(); // Guaranteed valid. 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ImageDataAutoMapper { 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit ImageDataAutoMapper(PPB_ImageData_Impl* image_data) 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : image_data_(image_data) { 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (image_data_->IsMapped()) { 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_valid_ = true; 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_unmap_ = false; 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_valid_ = needs_unmap_ = !!image_data_->Map(); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~ImageDataAutoMapper() { 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (needs_unmap_) 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) image_data_->Unmap(); 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check this to see if the image was successfully mapped. If this is false, 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the image could not be mapped and is unusable. 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_valid() const { return is_valid_; } 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PPB_ImageData_Impl* image_data_; 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_valid_; 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool needs_unmap_; 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ImageDataAutoMapper); 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19358e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdoch} // namespace content 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#endif // CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ 196