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// Copyright 2016 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_FXGE_CFX_FACECACHE_H_
#define CORE_FXGE_CFX_FACECACHE_H_
#include <map>
#include <memory>
#include <tuple>
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/fx_font.h"
#include "core/fxge/fx_freetype.h"
#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_
#include "third_party/skia/include/core/SkTypeface.h"
#endif
class CFX_Font;
class CFX_PathData;
class CFX_FaceCache {
public:
explicit CFX_FaceCache(FXFT_Face face);
~CFX_FaceCache();
const CFX_GlyphBitmap* LoadGlyphBitmap(const CFX_Font* pFont,
uint32_t glyph_index,
bool bFontStyle,
const CFX_Matrix& matrix,
uint32_t dest_width,
int anti_alias,
int& text_flags);
const CFX_PathData* LoadGlyphPath(const CFX_Font* pFont,
uint32_t glyph_index,
uint32_t dest_width);
#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_
CFX_TypeFace* GetDeviceCache(const CFX_Font* pFont);
#endif
private:
using SizeGlyphCache = std::map<uint32_t, std::unique_ptr<CFX_GlyphBitmap>>;
// <glyph_index, width, weight, angle, vertical>
using PathMapKey = std::tuple<uint32_t, uint32_t, int, int, bool>;
std::unique_ptr<CFX_GlyphBitmap> RenderGlyph(const CFX_Font* pFont,
uint32_t glyph_index,
bool bFontStyle,
const CFX_Matrix& matrix,
uint32_t dest_width,
int anti_alias);
std::unique_ptr<CFX_GlyphBitmap> RenderGlyph_Nativetext(
const CFX_Font* pFont,
uint32_t glyph_index,
const CFX_Matrix& matrix,
uint32_t dest_width,
int anti_alias);
CFX_GlyphBitmap* LookUpGlyphBitmap(const CFX_Font* pFont,
const CFX_Matrix& matrix,
const ByteString& FaceGlyphsKey,
uint32_t glyph_index,
bool bFontStyle,
uint32_t dest_width,
int anti_alias);
void InitPlatform();
void DestroyPlatform();
FXFT_Face const m_Face;
std::map<ByteString, SizeGlyphCache> m_SizeMap;
std::map<PathMapKey, std::unique_ptr<CFX_PathData>> m_PathMap;
#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_
sk_sp<SkTypeface> m_pTypeface;
#endif
};
#endif // CORE_FXGE_CFX_FACECACHE_H_
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