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// 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 WEBKIT_PLUGINS_PPAPI_PPB_FONT_IMPL_H_
#define WEBKIT_PLUGINS_PPAPI_PPB_FONT_IMPL_H_
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "ppapi/c/dev/ppb_font_dev.h"
#include "ppapi/shared_impl/webkit_forwarding.h"
#include "ppapi/thunk/ppb_font_api.h"
#include "webkit/plugins/ppapi/resource.h"
namespace WebKit {
class WebFont;
}
namespace webkit {
namespace ppapi {
class PluginInstance;
class PPB_Font_Impl : public Resource,
public ::ppapi::thunk::PPB_Font_API {
public:
PPB_Font_Impl(PluginInstance* instance, const PP_FontDescription_Dev& desc);
virtual ~PPB_Font_Impl();
// Returns a pointer to the interface implementing PPB_Font that is exposed to
// the plugin.
static const PPB_Font_Dev* GetInterface();
// ResourceObjectBase.
virtual ::ppapi::thunk::PPB_Font_API* AsFont_API() OVERRIDE;
// Resource overrides.
virtual PPB_Font_Impl* AsPPB_Font_Impl() OVERRIDE;
// PPB_Font implementation.
PP_Bool Describe(PP_FontDescription_Dev* description,
PP_FontMetrics_Dev* metrics) OVERRIDE;
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;
int32_t MeasureText(const PP_TextRun_Dev* text) OVERRIDE;
uint32_t CharacterOffsetForPixel(const PP_TextRun_Dev* text,
int32_t pixel_position) OVERRIDE;
int32_t PixelOffsetForCharacter(const PP_TextRun_Dev* text,
uint32_t char_offset) OVERRIDE;
private:
scoped_ptr<pp::shared_impl::WebKitForwarding::Font> font_forwarding_;
DISALLOW_COPY_AND_ASSIGN(PPB_Font_Impl);
};
} // namespace ppapi
} // namespace webkit
#endif // WEBKIT_PLUGINS_PPAPI_PPB_FONT_IMPL_H_
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