tdf#140639 cache FcPattern for font options
Change-Id: Ibb1b1e06630e505924e05ea4b5b454e58738d743
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114083
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/vcl/inc/unx/fontmanager.hxx b/vcl/inc/unx/fontmanager.hxx
index 0f5a85d..9ae95d0 100644
--- a/vcl/inc/unx/fontmanager.hxx
+++ b/vcl/inc/unx/fontmanager.hxx
@@ -313,6 +313,7 @@ public:
void matchFont( FastPrintFontInfo& rInfo, const css::lang::Locale& rLocale );
static std::unique_ptr<FontConfigFontOptions> getFontOptions(const FontAttributes& rFontAttributes, int nSize);
static void clearFontOptionsCache();
void Substitute(FontSelectPattern &rPattern, OUString& rMissingCodes);
diff --git a/vcl/unx/generic/fontmanager/fontconfig.cxx b/vcl/unx/generic/fontmanager/fontconfig.cxx
index 1ebe39c..748fbf2 100644
--- a/vcl/unx/generic/fontmanager/fontconfig.cxx
+++ b/vcl/unx/generic/fontmanager/fontconfig.cxx
@@ -20,6 +20,7 @@
#include <memory>
#include <string_view>
#include <o3tl/lru_map.hxx>
#include <unx/fontmanager.hxx>
#include <unx/helper.hxx>
#include <comphelper/sequence.hxx>
@@ -46,6 +47,7 @@ using namespace psp;
#include <osl/process.h>
#include <boost/functional/hash.hpp>
#include <utility>
#include <algorithm>
@@ -53,7 +55,92 @@ using namespace osl;
namespace
{
typedef std::pair<FcChar8*, FcChar8*> lang_and_element;
struct FontOptionsKey
{
OUString m_sFamilyName;
int m_nFontSize;
FontItalic m_eItalic;
FontWeight m_eWeight;
FontWidth m_eWidth;
bool operator==(const FontOptionsKey& rOther) const
{
return m_sFamilyName == rOther.m_sFamilyName &&
m_nFontSize == rOther.m_nFontSize &&
m_eItalic == rOther.m_eItalic &&
m_eWeight == rOther.m_eWeight &&
m_eWidth == rOther.m_eWidth;
}
};
}
namespace std
{
template <> struct hash<FontOptionsKey>
{
std::size_t operator()(const FontOptionsKey& k) const noexcept
{
std::size_t seed = k.m_sFamilyName.hashCode();
boost::hash_combine(seed, k.m_nFontSize);
boost::hash_combine(seed, k.m_eItalic);
boost::hash_combine(seed, k.m_eWeight);
boost::hash_combine(seed, k.m_eWidth);
return seed;
}
};
} // end std namespace
namespace
{
struct FcPatternDeleter
{
void operator()(FcPattern* pPattern) const
{
FcPatternDestroy(pPattern);
}
};
typedef std::unique_ptr<FcPattern, FcPatternDeleter> FcPatternUniquePtr;
class CachedFontConfigFontOptions
{
private:
FontOptionsKey m_aKey;
std::unique_ptr<FontConfigFontOptions> m_xLastFontOptions;
o3tl::lru_map<FontOptionsKey, FcPatternUniquePtr> lru_options_cache;
public:
CachedFontConfigFontOptions()
: lru_options_cache(10) // arbitrary cache size of 10
{
}
std::unique_ptr<FontConfigFontOptions> lookup(const FontOptionsKey& rKey)
{
auto it = lru_options_cache.find(rKey);
if (it != lru_options_cache.end())
return std::make_unique<FontConfigFontOptions>(FcPatternDuplicate(it->second.get()));
return nullptr;
}
void cache(const FontOptionsKey& rKey, const FcPattern* pPattern)
{
lru_options_cache.insert(std::make_pair(rKey, FcPatternUniquePtr(FcPatternDuplicate(pPattern))));
}
void clear()
{
m_xLastFontOptions.reset();
}
};
typedef std::pair<FcChar8*, FcChar8*> lang_and_element;
class FontCfgWrapper
{
@@ -78,6 +165,7 @@ public:
//to-do, make private and add some cleaner accessor methods
std::unordered_map< OString, OString > m_aFontNameToLocalized;
std::unordered_map< OString, OString > m_aLocalizedToCanonical;
CachedFontConfigFontOptions m_aCachedFontOptions;
private:
void cacheLocalizedFontNames(const FcChar8 *origfontname, const FcChar8 *bestfontname, const std::vector< lang_and_element > &lang_and_elements);
@@ -369,6 +457,7 @@ void FontCfgWrapper::clear()
m_pFontSet = nullptr;
}
m_pLanguageTag.reset();
m_aCachedFontOptions.clear();
}
/*
@@ -1099,13 +1188,18 @@ void FontConfigFontOptions::SyncPattern(const OString& rFileName, sal_uInt32 nIn
std::unique_ptr<FontConfigFontOptions> PrintFontManager::getFontOptions(const FontAttributes& rInfo, int nSize)
{
FontOptionsKey aKey{ rInfo.GetFamilyName(), nSize, rInfo.GetItalic(), rInfo.GetWeight(), rInfo.GetWidthType() };
FontCfgWrapper& rWrapper = FontCfgWrapper::get();
std::unique_ptr<FontConfigFontOptions> pOptions;
std::unique_ptr<FontConfigFontOptions> pOptions = rWrapper.m_aCachedFontOptions.lookup(aKey);
if (pOptions)
return pOptions;
FcConfig* pConfig = FcConfigGetCurrent();
FcPattern* pPattern = FcPatternCreate();
OString sFamily = OUStringToOString( rInfo.GetFamilyName(), RTL_TEXTENCODING_UTF8 );
OString sFamily = OUStringToOString(aKey.m_sFamilyName, RTL_TEXTENCODING_UTF8);
std::unordered_map< OString, OString >::const_iterator aI = rWrapper.m_aLocalizedToCanonical.find(sFamily);
if (aI != rWrapper.m_aLocalizedToCanonical.end())
@@ -1114,7 +1208,7 @@ std::unique_ptr<FontConfigFontOptions> PrintFontManager::getFontOptions(const Fo
FcPatternAddString(pPattern, FC_FAMILY, reinterpret_cast<FcChar8 const *>(sFamily.getStr()));
// TODO: ePitch argument of always PITCH_DONTKNOW is suspicious
addtopattern(pPattern, rInfo.GetItalic(), rInfo.GetWeight(), rInfo.GetWidthType(), PITCH_DONTKNOW);
addtopattern(pPattern, aKey.m_eItalic, aKey.m_eWeight, aKey.m_eWidth, PITCH_DONTKNOW);
FcPatternAddDouble(pPattern, FC_PIXEL_SIZE, nSize);
FcConfigSubstitute(pConfig, pPattern, FcMatchPattern);
@@ -1124,7 +1218,10 @@ std::unique_ptr<FontConfigFontOptions> PrintFontManager::getFontOptions(const Fo
FcResult eResult = FcResultNoMatch;
FcFontSet* pFontSet = rWrapper.getFontSet();
if (FcPattern* pResult = FcFontSetMatch(pConfig, &pFontSet, 1, pPattern, &eResult))
{
rWrapper.m_aCachedFontOptions.cache(aKey, pResult);
pOptions.reset(new FontConfigFontOptions(pResult));
}
// cleanup
FcPatternDestroy( pPattern );
@@ -1132,6 +1229,12 @@ std::unique_ptr<FontConfigFontOptions> PrintFontManager::getFontOptions(const Fo
return pOptions;
}
void PrintFontManager::clearFontOptionsCache()
{
FontCfgWrapper& rWrapper = FontCfgWrapper::get();
rWrapper.m_aCachedFontOptions.clear();
}
void PrintFontManager::matchFont( FastPrintFontInfo& rInfo, const css::lang::Locale& rLocale )
{
FontCfgWrapper& rWrapper = FontCfgWrapper::get();
diff --git a/vcl/unx/generic/gdi/freetypetextrender.cxx b/vcl/unx/generic/gdi/freetypetextrender.cxx
index 0e6556b..5f28ebd 100644
--- a/vcl/unx/generic/gdi/freetypetextrender.cxx
+++ b/vcl/unx/generic/gdi/freetypetextrender.cxx
@@ -101,6 +101,7 @@ bool FreeTypeTextRenderImpl::AddTempDevFont( PhysicalFontCollection* pFontCollec
void FreeTypeTextRenderImpl::ClearDevFontCache()
{
FreetypeManager::get().ClearFontCache();
psp::PrintFontManager::clearFontOptionsCache();
}
void FreeTypeTextRenderImpl::GetDevFontList( PhysicalFontCollection* pFontCollection )
