cfx_androidfontinfo.cpp

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// 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
 
#include "core/fxge/android/cfx_androidfontinfo.h"
 
#include "core/fxcrt/fx_system.h"
#include "core/fxge/android/cfpf_skiafont.h"
#include "core/fxge/android/cfpf_skiafontmgr.h"
#include "core/fxge/cfx_fontmapper.h"
#include "core/fxge/fx_font.h"
 
CFX_AndroidFontInfo::CFX_AndroidFontInfo() = default;
 
CFX_AndroidFontInfo::~CFX_AndroidFontInfo() = default;
 
bool CFX_AndroidFontInfo::Init(CFPF_SkiaFontMgr* pFontMgr) {
  if (!pFontMgr)
    return false;
 
  pFontMgr->LoadSystemFonts();
  m_pFontMgr = pFontMgr;
  return true;
}
 
bool CFX_AndroidFontInfo::EnumFontList(CFX_FontMapper* pMapper) {
  return false;
}
 
void* CFX_AndroidFontInfo::MapFont(int weight,
                                   bool bItalic,
                                   FX_Charset charset,
                                   int pitch_family,
                                   const ByteString& face) {
  if (!m_pFontMgr)
    return nullptr;
 
  uint32_t dwStyle = 0;
  if (weight >= 700)
    dwStyle |= FXFONT_FORCE_BOLD;
  if (bItalic)
    dwStyle |= FXFONT_ITALIC;
  if (FontFamilyIsFixedPitch(pitch_family))
    dwStyle |= FXFONT_FIXED_PITCH;
  if (FontFamilyIsScript(pitch_family))
    dwStyle |= FXFONT_SCRIPT;
  if (FontFamilyIsRoman(pitch_family))
    dwStyle |= FXFONT_SERIF;
  return m_pFontMgr->CreateFont(face.AsStringView(), charset, dwStyle);
}
 
void* CFX_AndroidFontInfo::GetFont(const ByteString& face) {
  return nullptr;
}
 
size_t CFX_AndroidFontInfo::GetFontData(void* hFont,
                                        uint32_t table,
                                        pdfium::span<uint8_t> buffer) {
  if (!hFont)
    return 0;
  return static_cast<CFPF_SkiaFont*>(hFont)->GetFontData(table, buffer);
}
 
bool CFX_AndroidFontInfo::GetFaceName(void* hFont, ByteString* name) {
  if (!hFont)
    return false;
 
  *name = static_cast<CFPF_SkiaFont*>(hFont)->GetFamilyName();
  return true;
}
 
bool CFX_AndroidFontInfo::GetFontCharset(void* hFont, FX_Charset* charset) {
  if (!hFont)
    return false;
 
  *charset = static_cast<CFPF_SkiaFont*>(hFont)->GetCharset();
  return false;
}
 
void CFX_AndroidFontInfo::DeleteFont(void* hFont) {}