diff options
Diffstat (limited to 'ppapi/shared_impl/private/ppb_font_shared.h')
-rw-r--r-- | ppapi/shared_impl/private/ppb_font_shared.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/ppapi/shared_impl/private/ppb_font_shared.h b/ppapi/shared_impl/private/ppb_font_shared.h new file mode 100644 index 0000000..3b852bf --- /dev/null +++ b/ppapi/shared_impl/private/ppb_font_shared.h @@ -0,0 +1,72 @@ +// Copyright (c) 2011 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_FONT_SHARED_H_ +#define PPAPI_SHARED_IMPL_PRIVATE_PPB_FONT_SHARED_H_ +#pragma once + +#include <string> + +#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/shared_impl/webkit_forwarding.h" +#include "ppapi/thunk/ppb_font_api.h" + +struct PP_FontDescription_Dev; + +namespace ppapi { + +class PPAPI_SHARED_EXPORT PPB_Font_Shared + : public ::ppapi::Resource, + public ::ppapi::thunk::PPB_Font_API { + public: + // Validates the parameters in thee description. Can be called on any thread. + static bool IsPPFontDescriptionValid(const PP_FontDescription_Dev& desc); + + virtual ~PPB_Font_Shared(); + + static PP_Resource CreateAsImpl(PP_Instance instance, + const PP_FontDescription_Dev& description, + const ::ppapi::Preferences& prefs); + static PP_Resource CreateAsProxy(PP_Instance instance, + const PP_FontDescription_Dev& description, + const ::ppapi::Preferences& prefs); + + // Resource. + virtual ::ppapi::thunk::PPB_Font_API* AsPPB_Font_API() OVERRIDE; + + // PPB_Font implementation. + virtual PP_Bool Describe(PP_FontDescription_Dev* description, + PP_FontMetrics_Dev* metrics) OVERRIDE; + virtual PP_Bool DrawTextAt(PP_Resource image_data, + const PP_TextRun_Dev* 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_TextRun_Dev* text) OVERRIDE; + virtual uint32_t CharacterOffsetForPixel(const PP_TextRun_Dev* text, + int32_t pixel_position) OVERRIDE; + virtual int32_t PixelOffsetForCharacter(const PP_TextRun_Dev* text, + uint32_t char_offset) OVERRIDE; + + private: + PPB_Font_Shared(PP_Instance instance, const PP_FontDescription_Dev& desc, + const ::ppapi::Preferences& prefs); + + scoped_ptr< ::ppapi::WebKitForwarding::Font> font_impl_; + + DISALLOW_COPY_AND_ASSIGN(PPB_Font_Shared); +}; + +} // namespace ppapi + +#endif // PPAPI_SHARED_IMPL_PRIVATE_PPB_FONT_SHARED_H_ |