// 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. #ifndef PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_ #define PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_ #include #include "base/basictypes.h" #include "base/memory/scoped_ptr.h" #include "ppapi/c/pp_bool.h" #include "ppapi/c/pp_instance.h" #include "ppapi/c/pp_resource.h" #include "ppapi/c/pp_stdint.h" #include "ppapi/shared_impl/ppapi_preferences.h" #include "ppapi/shared_impl/ppapi_shared_export.h" #include "ppapi/shared_impl/resource.h" #include "ppapi/thunk/ppb_browser_font_trusted_api.h" namespace skia { class PlatformCanvas; } namespace WebKit { class WebFont; } namespace ppapi { class PPAPI_SHARED_EXPORT PPB_BrowserFont_Trusted_Shared : public Resource, public thunk::PPB_BrowserFont_Trusted_API { public: // Validates the parameters in thee description. Can be called on any thread. static bool IsPPFontDescriptionValid( const PP_BrowserFont_Trusted_Description& desc); virtual ~PPB_BrowserFont_Trusted_Shared(); static PP_Resource Create( ResourceObjectType type, PP_Instance instance, const PP_BrowserFont_Trusted_Description& description, const ::ppapi::Preferences& prefs); // Resource. virtual ::ppapi::thunk::PPB_BrowserFont_Trusted_API* AsPPB_BrowserFont_Trusted_API() OVERRIDE; // PPB_Font implementation. virtual PP_Bool Describe(PP_BrowserFont_Trusted_Description* description, PP_BrowserFont_Trusted_Metrics* metrics) OVERRIDE; virtual PP_Bool DrawTextAt(PP_Resource image_data, const PP_BrowserFont_Trusted_TextRun* text, const PP_Point* position, uint32_t color, const PP_Rect* clip, PP_Bool image_data_is_opaque) OVERRIDE; virtual int32_t MeasureText( const PP_BrowserFont_Trusted_TextRun* text) OVERRIDE; virtual uint32_t CharacterOffsetForPixel( const PP_BrowserFont_Trusted_TextRun* text, int32_t pixel_position) OVERRIDE; virtual int32_t PixelOffsetForCharacter( const PP_BrowserFont_Trusted_TextRun* text, uint32_t char_offset) OVERRIDE; private: PPB_BrowserFont_Trusted_Shared(ResourceObjectType type, PP_Instance instance, const PP_BrowserFont_Trusted_Description& desc, const Preferences& prefs); // Internal version of DrawTextAt that takes a mapped PlatformCanvas. void DrawTextToCanvas(skia::PlatformCanvas* destination, const PP_BrowserFont_Trusted_TextRun& text, const PP_Point* position, uint32_t color, const PP_Rect* clip, PP_Bool image_data_is_opaque); scoped_ptr font_; DISALLOW_COPY_AND_ASSIGN(PPB_BrowserFont_Trusted_Shared); }; } // namespace ppapi #endif // PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_