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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FPDFAPI_FONT_CPDF_FONTGLOBALS_H_
#define CORE_FPDFAPI_FONT_CPDF_FONTGLOBALS_H_
#include <map>
#include <memory>
#include <utility>
#include "core/fpdfapi/cmaps/cmap_int.h"
#include "core/fpdfapi/font/cfx_stockfontarray.h"
#include "core/fpdfapi/font/cpdf_cmapmanager.h"
#include "third_party/base/span.h"
class CPDF_FontGlobals {
public:
CPDF_FontGlobals();
~CPDF_FontGlobals();
void Clear(CPDF_Document* pDoc);
CPDF_Font* Find(CPDF_Document* pDoc, uint32_t index);
// Takes ownership of |pFont|, returns unowned pointer to it.
CPDF_Font* Set(CPDF_Document* key,
uint32_t index,
std::unique_ptr<CPDF_Font> pFont);
void SetEmbeddedCharset(size_t idx, const FXCMAP_CMap* map, uint32_t count) {
m_EmbeddedCharsets[idx].m_pMapList = map;
m_EmbeddedCharsets[idx].m_Count = count;
}
std::pair<uint32_t, const FXCMAP_CMap*> GetEmbeddedCharset(size_t idx) const {
return {m_EmbeddedCharsets[idx].m_Count,
m_EmbeddedCharsets[idx].m_pMapList.Get()};
}
void SetEmbeddedToUnicode(size_t idx, const uint16_t* map, uint32_t count) {
m_EmbeddedToUnicodes[idx].m_pMap = map;
m_EmbeddedToUnicodes[idx].m_Count = count;
}
pdfium::span<const uint16_t> GetEmbeddedToUnicode(size_t idx) {
return pdfium::make_span(m_EmbeddedToUnicodes[idx].m_pMap,
m_EmbeddedToUnicodes[idx].m_Count);
}
CPDF_CMapManager* GetCMapManager() { return &m_CMapManager; }
private:
CPDF_CMapManager m_CMapManager;
struct {
UnownedPtr<const FXCMAP_CMap> m_pMapList;
uint32_t m_Count;
} m_EmbeddedCharsets[CIDSET_NUM_SETS];
struct {
const uint16_t* m_pMap;
uint32_t m_Count;
} m_EmbeddedToUnicodes[CIDSET_NUM_SETS];
std::map<CPDF_Document*, std::unique_ptr<CFX_StockFontArray>> m_StockMap;
};
#endif // CORE_FPDFAPI_FONT_CPDF_FONTGLOBALS_H_
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