gfx/thebes/FontPaletteCache.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "FontPaletteCache.h"
   7 #include "COLRFonts.h"
   8 #include "gfxFontEntry.h"
   9
  10 using namespace mozilla;
  11
  12 void gfx::PaletteCache::SetPaletteValueSet(
  13     const gfx::FontPaletteValueSet* aSet) {
  14   mPaletteValueSet = aSet;
  15   Clear();
  16 }
  17
  18 already_AddRefed<gfx::FontPalette> gfx::PaletteCache::GetPaletteFor(
  19     gfxFontEntry* aFontEntry, nsAtom* aPaletteName) {
  20   auto entry = Lookup(std::pair(aFontEntry, aPaletteName));
  21   if (!entry) {
  22     CacheData newData;
  23     newData.mKey = std::pair(aFontEntry, aPaletteName);
  24
  25     gfxFontEntry::AutoHBFace face = aFontEntry->GetHBFace();
  26     newData.mPalette = new FontPalette(gfx::COLRFonts::CreateColorPalette(
  27         face, mPaletteValueSet, aPaletteName, aFontEntry->FamilyName()));
  28
  29     entry.Set(std::move(newData));
  30   }
  31   RefPtr result = entry.Data().mPalette;
  32   return result.forget();
  33 }