chromium/third_party/blink/renderer/core/html/canvas/canvas_font_cache.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/html/canvas/canvas_font_cache.h"

#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/core/css/parser/css_parser.h"
#include "third_party/blink/renderer/core/css/resolver/style_resolver.h"
#include "third_party/blink/renderer/core/css/style_engine.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/html/canvas/html_canvas_element.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/font_family_names.h"
#include "third_party/blink/renderer/platform/fonts/font_cache.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/instrumentation/memory_pressure_listener.h"

namespace blink {

namespace {

const unsigned CanvasFontCacheMaxFonts = …;
const unsigned CanvasFontCacheMaxFontsLowEnd = …;
const unsigned CanvasFontCacheHardMaxFonts = …;
const unsigned CanvasFontCacheHardMaxFontsLowEnd = …;
const unsigned CanvasFontCacheHiddenMaxFonts = …;
const int defaultFontSize = …;

const ComputedStyle* CreateDefaultFontStyle(const Document& document) { … }

}  // namespace

CanvasFontCache::CanvasFontCache(Document& document)
    : … { … }

CanvasFontCache::~CanvasFontCache() { … }

unsigned CanvasFontCache::MaxFonts() { … }

unsigned CanvasFontCache::HardMaxFonts() { … }

bool CanvasFontCache::GetFontUsingDefaultStyle(HTMLCanvasElement& element,
                                               const String& font_string,
                                               Font& resolved_font) { … }

MutableCSSPropertyValueSet* CanvasFontCache::ParseFont(
    const String& font_string) { … }

void CanvasFontCache::DidProcessTask(const base::PendingTask& pending_task) { … }

void CanvasFontCache::SchedulePruningIfNeeded() { … }

bool CanvasFontCache::IsInCache(const String& font_string) const { … }

unsigned int CanvasFontCache::GetCacheSize() const { … }

void CanvasFontCache::PruneAll() { … }

void CanvasFontCache::Trace(Visitor* visitor) const { … }

void CanvasFontCache::Dispose() { … }

}  // namespace blink