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| 1 // Copyright (c) 2012 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_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_ | |
| 6 #define PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "ppapi/c/pp_bool.h" | |
| 13 #include "ppapi/c/pp_instance.h" | |
| 14 #include "ppapi/c/pp_resource.h" | |
| 15 #include "ppapi/c/pp_stdint.h" | |
| 16 #include "ppapi/shared_impl/ppapi_preferences.h" | |
| 17 #include "ppapi/shared_impl/ppapi_shared_export.h" | |
| 18 #include "ppapi/shared_impl/resource.h" | |
| 19 #include "ppapi/thunk/ppb_browser_font_trusted_api.h" | |
| 20 | |
| 21 class SkCanvas; | |
| 22 | |
| 23 namespace WebKit { | |
| 24 class WebFont; | |
| 25 } | |
| 26 | |
| 27 namespace ppapi { | |
| 28 | |
| 29 class PPAPI_SHARED_EXPORT PPB_BrowserFont_Trusted_Shared | |
| 30 : public Resource, | |
| 31 public thunk::PPB_BrowserFont_Trusted_API { | |
| 32 public: | |
| 33 // Validates the parameters in thee description. Can be called on any thread. | |
| 34 static bool IsPPFontDescriptionValid( | |
| 35 const PP_BrowserFont_Trusted_Description& desc); | |
| 36 | |
| 37 virtual ~PPB_BrowserFont_Trusted_Shared(); | |
| 38 | |
| 39 static PP_Resource Create( | |
| 40 ResourceObjectType type, | |
| 41 PP_Instance instance, | |
| 42 const PP_BrowserFont_Trusted_Description& description, | |
| 43 const ::ppapi::Preferences& prefs); | |
| 44 | |
| 45 // Resource. | |
| 46 virtual ::ppapi::thunk::PPB_BrowserFont_Trusted_API* | |
| 47 AsPPB_BrowserFont_Trusted_API() OVERRIDE; | |
| 48 | |
| 49 // PPB_Font implementation. | |
| 50 virtual PP_Bool Describe(PP_BrowserFont_Trusted_Description* description, | |
| 51 PP_BrowserFont_Trusted_Metrics* metrics) OVERRIDE; | |
| 52 virtual PP_Bool DrawTextAt(PP_Resource image_data, | |
| 53 const PP_BrowserFont_Trusted_TextRun* text, | |
| 54 const PP_Point* position, | |
| 55 uint32_t color, | |
| 56 const PP_Rect* clip, | |
| 57 PP_Bool image_data_is_opaque) OVERRIDE; | |
| 58 virtual int32_t MeasureText( | |
| 59 const PP_BrowserFont_Trusted_TextRun* text) OVERRIDE; | |
| 60 virtual uint32_t CharacterOffsetForPixel( | |
| 61 const PP_BrowserFont_Trusted_TextRun* text, | |
| 62 int32_t pixel_position) OVERRIDE; | |
| 63 virtual int32_t PixelOffsetForCharacter( | |
| 64 const PP_BrowserFont_Trusted_TextRun* text, | |
| 65 uint32_t char_offset) OVERRIDE; | |
| 66 | |
| 67 private: | |
| 68 PPB_BrowserFont_Trusted_Shared(ResourceObjectType type, | |
| 69 PP_Instance instance, | |
| 70 const PP_BrowserFont_Trusted_Description& desc, | |
| 71 const Preferences& prefs); | |
| 72 | |
| 73 // Internal version of DrawTextAt that takes a mapped PlatformCanvas. | |
| 74 void DrawTextToCanvas(SkCanvas* destination, | |
| 75 const PP_BrowserFont_Trusted_TextRun& text, | |
| 76 const PP_Point* position, | |
| 77 uint32_t color, | |
| 78 const PP_Rect* clip, | |
| 79 PP_Bool image_data_is_opaque); | |
| 80 | |
| 81 scoped_ptr<WebKit::WebFont> font_; | |
| 82 | |
| 83 DISALLOW_COPY_AND_ASSIGN(PPB_BrowserFont_Trusted_Shared); | |
| 84 }; | |
| 85 | |
| 86 } // namespace ppapi | |
| 87 | |
| 88 #endif // PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_ | |
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Chromium Code Reviews
Issue 11316161:
Refactor BrowserFont to new design (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master