1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PPAPI_SHARED_IMPL_PPB_IMAGE_DATA_SHARED_H_ 6 #define PPAPI_SHARED_IMPL_PPB_IMAGE_DATA_SHARED_H_ 7 8 #include "ppapi/c/pp_bool.h" 9 #include "ppapi/c/ppb_image_data.h" 10 #include "ppapi/shared_impl/ppapi_shared_export.h" 11 12 namespace ppapi { 13 14 // Contains the implementation of some simple image data functions that are 15 // shared between the proxy and Chrome's implementation. Since these functions 16 // are just lists of what we support, it's much easier to just have the same 17 // code run in the plugin process than to proxy it. 18 // 19 // It's possible the implementation will get more complex. In this case, it's 20 // probably best to have some kind of "configuration" message that the renderer 21 // sends to the plugin process on startup that contains all of these kind of 22 // settings. 23 class PPAPI_SHARED_EXPORT PPB_ImageData_Shared { 24 public: 25 enum ImageDataType { 26 // An ImageData backed by a PlatformCanvas. You must create this type if 27 // you intend the ImageData to be usable in platform-specific APIs (like 28 // font rendering or rendering widgets like scrollbars). This type is not 29 // available in untrusted (NaCl) plugins. 30 PLATFORM, 31 // An ImageData that doesn't need access to the platform-specific canvas. 32 // This is backed by a simple shared memory buffer. This is the only type 33 // of ImageData that can be used by untrusted (NaCl) plugins. 34 SIMPLE 35 }; 36 37 static PP_ImageDataFormat GetNativeImageDataFormat(); 38 static PP_Bool IsImageDataFormatSupported(PP_ImageDataFormat format); 39 static PP_Bool IsImageDataDescValid(const PP_ImageDataDesc& desc); 40 }; 41 42 } // namespace ppapi 43 44 #endif // PPAPI_SHARED_IMPL_PPB_IMAGE_DATA_SHARED_H_ 45