FontPaletteCache.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "FontPaletteCache.h"

#include "COLRFonts.h"

#include "gfxFontEntry.h"

using namespace mozilla;

void gfx::PaletteCache::SetPaletteValueSet(

    const gfx::FontPaletteValueSet* aSet) {

  mPaletteValueSet = aSet;

  Clear();

already_AddRefed<gfx::FontPalette> gfx::PaletteCache::GetPaletteFor(

    gfxFontEntry* aFontEntry, nsAtom* aPaletteName) {

  auto entry = Lookup(std::pair(aFontEntry, aPaletteName));

  if (!entry) {

    CacheData newData;

    newData.mKey = std::pair(aFontEntry, aPaletteName);

    gfxFontEntry::AutoHBFace face = aFontEntry->GetHBFace();

    newData.mPalette = new FontPalette(gfx::COLRFonts::CreateColorPalette(

        face, mPaletteValueSet, aPaletteName, aFontEntry->FamilyName()));

    entry.Set(std::move(newData));

  RefPtr result = entry.Data().mPalette;

  return result.forget();