cfx_psfonttracker.cpp

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// Copyright 2021 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "core/fxge/win32/cfx_psfonttracker.h"
 
#include "core/fxge/cfx_font.h"
#include "third_party/base/check.h"
#include "third_party/base/containers/contains.h"
 
CFX_PSFontTracker::CFX_PSFontTracker() = default;
 
CFX_PSFontTracker::~CFX_PSFontTracker() = default;
 
void CFX_PSFontTracker::AddFontObject(const CFX_Font* font) {
  uint64_t tag = font->GetObjectTag();
  [[maybe_unused]] bool inserted;
  if (tag != 0) {
    inserted = seen_font_tags_.insert(tag).second;
  } else {
    inserted = seen_font_ptrs_.insert(UnownedPtr<const CFX_Font>(font)).second;
  }
  DCHECK(inserted);
}
 
bool CFX_PSFontTracker::SeenFontObject(const CFX_Font* font) const {
  uint64_t tag = font->GetObjectTag();
  if (tag != 0)
    return pdfium::Contains(seen_font_tags_, tag);
  return pdfium::Contains(seen_font_ptrs_, font);
}