1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fxge/cfx_fontcache.h" 8 9 #include <memory> 10 #include <utility> 11 12 #include "core/fxge/cfx_font.h" 13 #include "core/fxge/cfx_glyphcache.h" 14 #include "core/fxge/fx_font.h" 15 #include "core/fxge/fx_freetype.h" 16 #include "third_party/base/ptr_util.h" 17 18 CFX_FontCache::CFX_FontCache() = default; 19 20 CFX_FontCache::~CFX_FontCache() = default; 21 GetGlyphCache(const CFX_Font * pFont)22RetainPtr<CFX_GlyphCache> CFX_FontCache::GetGlyphCache(const CFX_Font* pFont) { 23 RetainPtr<CFX_Face> face = pFont->GetFace(); 24 const bool bExternal = !face; 25 auto& map = bExternal ? m_ExtGlyphCacheMap : m_GlyphCacheMap; 26 auto it = map.find(face.Get()); 27 if (it != map.end() && it->second) 28 return pdfium::WrapRetain(it->second.Get()); 29 30 auto new_cache = pdfium::MakeRetain<CFX_GlyphCache>(face); 31 map[face.Get()].Reset(new_cache.Get()); 32 return new_cache; 33 } 34 35 #ifdef _SKIA_SUPPORT_ GetDeviceCache(const CFX_Font * pFont)36CFX_TypeFace* CFX_FontCache::GetDeviceCache(const CFX_Font* pFont) { 37 return GetGlyphCache(pFont)->GetDeviceCache(pFont); 38 } 39 #endif 40