// Copyright (c) 2013 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 CONTENT_RENDERER_PEPPER_PEPPER_TRUETYPE_FONT_H_
#define CONTENT_RENDERER_PEPPER_PEPPER_TRUETYPE_FONT_H_
#include <string>
#include <vector>
#include "ppapi/proxy/serialized_structs.h"
namespace content {
class PepperTrueTypeFont {
public:
// Creates a font matching the given descriptor. The exact font that is
// returned will depend on the host platform's font matching and fallback
// algorithm.
static PepperTrueTypeFont* Create(
const ppapi::proxy::SerializedTrueTypeFontDesc& desc);
virtual ~PepperTrueTypeFont() {}
// Returns true if the font was successfully created, false otherwise.
virtual bool IsValid() = 0;
// Returns a description of the actual font. Use this to see the actual
// characteristics of the font after running the host platform's font matching
// and fallback algorithm. Returns PP_OK on success, a Pepper error code on
// failure. 'desc' is written only on success.
virtual int32_t Describe(ppapi::proxy::SerializedTrueTypeFontDesc* desc) = 0;
// Retrieves an array of TrueType table tags contained in this font. Returns
// the number of tags on success, a Pepper error code on failure. 'tags' are
// written only on success.
virtual int32_t GetTableTags(std::vector<uint32_t>* tags) = 0;
// Gets a TrueType font table corresponding to the given tag. The 'offset' and
// 'max_data_length' parameters determine what part of the table is returned.
// Returns the data size in bytes on success, a Pepper error code on failure.
// 'data' is written only on success.
virtual int32_t GetTable(uint32_t table_tag,
int32_t offset,
int32_t max_data_length,
std::string* data) = 0;
};
} // namespace content
#endif // CONTENT_RENDERER_PEPPER_PEPPER_TRUETYPE_FONT_H_