92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
// 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_GLYPHCACHE_H_
|
|
#define CORE_FXGE_CFX_GLYPHCACHE_H_
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <tuple>
|
|
|
|
#include "core/fxcrt/fx_string.h"
|
|
#include "core/fxcrt/observed_ptr.h"
|
|
#include "core/fxcrt/retain_ptr.h"
|
|
#include "core/fxge/cfx_face.h"
|
|
|
|
#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_
|
|
#include "core/fxge/fx_font.h"
|
|
#include "third_party/skia/include/core/SkTypeface.h"
|
|
#endif
|
|
|
|
class CFX_Font;
|
|
class CFX_GlyphBitmap;
|
|
class CFX_Matrix;
|
|
class CFX_PathData;
|
|
|
|
class CFX_GlyphCache : public Retainable, public Observable {
|
|
public:
|
|
template <typename T, typename... Args>
|
|
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
|
|
|
|
~CFX_GlyphCache() override;
|
|
|
|
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* pTextFlags);
|
|
const CFX_PathData* LoadGlyphPath(const CFX_Font* pFont,
|
|
uint32_t glyph_index,
|
|
uint32_t dest_width);
|
|
|
|
RetainPtr<CFX_Face> GetFace() { return m_Face; }
|
|
FXFT_FaceRec* GetFaceRec() { return m_Face ? m_Face->GetRec() : nullptr; }
|
|
|
|
#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_
|
|
CFX_TypeFace* GetDeviceCache(const CFX_Font* pFont);
|
|
#endif
|
|
|
|
private:
|
|
explicit CFX_GlyphCache(RetainPtr<CFX_Face> face);
|
|
|
|
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();
|
|
|
|
RetainPtr<CFX_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_GLYPHCACHE_H_
|