95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
// Copyright 2016 The PDFium Authors
|
|
// 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/bytestring.h"
|
|
#include "core/fxcrt/observed_ptr.h"
|
|
#include "core/fxcrt/retain_ptr.h"
|
|
#include "core/fxge/cfx_face.h"
|
|
|
|
#if defined(_SKIA_SUPPORT_)
|
|
#include "core/fxge/fx_font.h"
|
|
#include "third_party/skia/include/core/SkTypeface.h" // nogncheck
|
|
#endif
|
|
|
|
class CFX_Font;
|
|
class CFX_GlyphBitmap;
|
|
class CFX_Matrix;
|
|
class CFX_Path;
|
|
struct CFX_TextRenderOptions;
|
|
|
|
class CFX_GlyphCache final : public Retainable, public Observable {
|
|
public:
|
|
CONSTRUCT_VIA_MAKE_RETAIN;
|
|
~CFX_GlyphCache() override;
|
|
|
|
const CFX_GlyphBitmap* LoadGlyphBitmap(const CFX_Font* pFont,
|
|
uint32_t glyph_index,
|
|
bool bFontStyle,
|
|
const CFX_Matrix& matrix,
|
|
int dest_width,
|
|
int anti_alias,
|
|
CFX_TextRenderOptions* text_options);
|
|
const CFX_Path* LoadGlyphPath(const CFX_Font* pFont,
|
|
uint32_t glyph_index,
|
|
int dest_width);
|
|
int GetGlyphWidth(const CFX_Font* font,
|
|
uint32_t glyph_index,
|
|
int dest_width,
|
|
int weight);
|
|
|
|
RetainPtr<CFX_Face> GetFace() { return m_Face; }
|
|
FXFT_FaceRec* GetFaceRec() { return m_Face ? m_Face->GetRec() : nullptr; }
|
|
|
|
#if defined(_SKIA_SUPPORT_)
|
|
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, int, int, int, bool>;
|
|
// <glyph_index, dest_width, weight>
|
|
using WidthMapKey = std::tuple<uint32_t, int, int>;
|
|
|
|
std::unique_ptr<CFX_GlyphBitmap> RenderGlyph(const CFX_Font* pFont,
|
|
uint32_t glyph_index,
|
|
bool bFontStyle,
|
|
const CFX_Matrix& matrix,
|
|
int dest_width,
|
|
int anti_alias);
|
|
std::unique_ptr<CFX_GlyphBitmap> RenderGlyph_Nativetext(
|
|
const CFX_Font* pFont,
|
|
uint32_t glyph_index,
|
|
const CFX_Matrix& matrix,
|
|
int 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,
|
|
int dest_width,
|
|
int anti_alias);
|
|
RetainPtr<CFX_Face> const m_Face;
|
|
std::map<ByteString, SizeGlyphCache> m_SizeMap;
|
|
std::map<PathMapKey, std::unique_ptr<CFX_Path>> m_PathMap;
|
|
std::map<WidthMapKey, int> m_WidthMap;
|
|
#if defined(_SKIA_SUPPORT_)
|
|
sk_sp<SkTypeface> m_pTypeface;
|
|
#endif
|
|
};
|
|
|
|
#endif // CORE_FXGE_CFX_GLYPHCACHE_H_
|