Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 521 insertions, 0 deletions

diff --git a/vcl/unx/generic/print/genpspgraphics.cxx b/vcl/unx/generic/print/genpspgraphics.cxx
new file mode 100644
index 000000000..7c4e14b27
--- /dev/null
+++ b/vcl/unx/generic/print/genpspgraphics.cxx
@@ -0,0 +1,521 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <vector>
+
+#include <sal/types.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include <i18nlangtag/mslangid.hxx>
+#include <jobdata.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/sysdata.hxx>
+#include <vcl/fontcharmap.hxx>
+#include <config_cairo_canvas.h>
+
+#include <fontsubset.hxx>
+#include <unx/freetype_glyphcache.hxx>
+#include <unx/geninst.h>
+#include <unx/genpspgraphics.h>
+#include <unx/printergfx.hxx>
+#include <langboost.hxx>
+#include <fontinstance.hxx>
+#include <fontattributes.hxx>
+#include <impfontmetricdata.hxx>
+#include <font/FontSelectPattern.hxx>
+#include <font/PhysicalFontCollection.hxx>
+#include <font/PhysicalFontFace.hxx>
+#include <o3tl/string_view.hxx>
+#include <sallayout.hxx>
+
+using namespace psp;
+
+/*******************************************************
+ * GenPspGraphics
+ *******************************************************/
+
+GenPspGraphics::GenPspGraphics()
+    : m_pJobData( nullptr )
+    , m_pPrinterGfx( nullptr )
+{
+}
+
+void GenPspGraphics::Init(psp::JobData* pJob, psp::PrinterGfx* pGfx)
+{
+    m_pBackend = std::make_unique<GenPspGfxBackend>(pGfx);
+    m_pJobData = pJob;
+    m_pPrinterGfx = pGfx;
+    SetLayout( SalLayoutFlags::NONE );
+}
+
+GenPspGraphics::~GenPspGraphics()
+{
+    ReleaseFonts();
+}
+
+void GenPspGraphics::GetResolution( sal_Int32 &rDPIX, sal_Int32 &rDPIY )
+{
+    if (m_pJobData != nullptr)
+    {
+        int x = m_pJobData->m_aContext.getRenderResolution();
+
+        rDPIX = x;
+        rDPIY = x;
+    }
+}
+
+namespace {
+
+class ImplPspFontData : public FreetypeFontFace
+{
+private:
+    sal_IntPtr              mnFontId;
+
+public:
+    explicit ImplPspFontData( const psp::FastPrintFontInfo& );
+    virtual sal_IntPtr      GetFontId() const override { return mnFontId; }
+};
+
+}
+
+ImplPspFontData::ImplPspFontData(const psp::FastPrintFontInfo& rInfo)
+:   FreetypeFontFace(nullptr, GenPspGraphics::Info2FontAttributes(rInfo)),
+    mnFontId( rInfo.m_nID )
+{}
+
+namespace {
+
+class PspSalLayout : public GenericSalLayout
+{
+public:
+    PspSalLayout(psp::PrinterGfx&, LogicalFontInstance &rFontInstance);
+
+    void                InitFont() const final override;
+
+private:
+    ::psp::PrinterGfx&  mrPrinterGfx;
+    sal_IntPtr          mnFontID;
+    int                 mnFontHeight;
+    int                 mnFontWidth;
+    bool                mbVertical;
+    bool                mbArtItalic;
+    bool                mbArtBold;
+};
+
+}
+
+PspSalLayout::PspSalLayout(::psp::PrinterGfx& rGfx, LogicalFontInstance &rFontInstance)
+:   GenericSalLayout(rFontInstance)
+,   mrPrinterGfx(rGfx)
+{
+    mnFontID     = mrPrinterGfx.GetFontID();
+    mnFontHeight = mrPrinterGfx.GetFontHeight();
+    mnFontWidth  = mrPrinterGfx.GetFontWidth();
+    mbVertical   = mrPrinterGfx.GetFontVertical();
+    mbArtItalic  = mrPrinterGfx.GetArtificialItalic();
+    mbArtBold    = mrPrinterGfx.GetArtificialBold();
+}
+
+void PspSalLayout::InitFont() const
+{
+    GenericSalLayout::InitFont();
+    mrPrinterGfx.SetFont(mnFontID, mnFontHeight, mnFontWidth,
+                         mnOrientation, mbVertical, mbArtItalic, mbArtBold);
+}
+
+void GenPspGraphics::DrawTextLayout(const GenericSalLayout& rLayout)
+{
+    const GlyphItem* pGlyph;
+    DevicePoint aPos;
+    int nStart = 0;
+    while (rLayout.GetNextGlyph(&pGlyph, aPos, nStart))
+        m_pPrinterGfx->DrawGlyph(Point(aPos.getX(), aPos.getY()), *pGlyph);
+}
+
+FontCharMapRef GenPspGraphics::GetFontCharMap() const
+{
+    if (!m_pFreetypeFont[0])
+        return nullptr;
+
+    return m_pFreetypeFont[0]->GetFreetypeFont().GetFontCharMap();
+}
+
+bool GenPspGraphics::GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const
+{
+    if (!m_pFreetypeFont[0])
+        return false;
+
+    return m_pFreetypeFont[0]->GetFreetypeFont().GetFontCapabilities(rFontCapabilities);
+}
+
+void GenPspGraphics::SetFont(LogicalFontInstance *pFontInstance, int nFallbackLevel)
+{
+    // release all fonts that are to be overridden
+    for( int i = nFallbackLevel; i < MAX_FALLBACK; ++i )
+    {
+        // old server side font is no longer referenced
+        m_pFreetypeFont[i] = nullptr;
+    }
+
+    // return early if there is no new font
+    if (!pFontInstance)
+        return;
+
+    sal_IntPtr nID = pFontInstance->GetFontFace()->GetFontId();
+
+    const vcl::font::FontSelectPattern& rEntry = pFontInstance->GetFontSelectPattern();
+
+    // determine which font attributes need to be emulated
+    bool bArtItalic = false;
+    bool bArtBold = false;
+    if( rEntry.GetItalic() == ITALIC_OBLIQUE || rEntry.GetItalic() == ITALIC_NORMAL )
+    {
+        FontItalic eItalic = m_pPrinterGfx->GetFontMgr().getFontItalic( nID );
+        if( eItalic != ITALIC_NORMAL && eItalic != ITALIC_OBLIQUE )
+            bArtItalic = true;
+    }
+    FontWeight nWeight = rEntry.GetWeight();
+    FontWeight nRealWeight = m_pPrinterGfx->GetFontMgr().getFontWeight( nID );
+    if( nRealWeight <= WEIGHT_MEDIUM && nWeight > WEIGHT_MEDIUM )
+    {
+        bArtBold = true;
+    }
+
+    // also set the serverside font for layouting
+    // requesting a font provided by builtin rasterizer
+    FreetypeFontInstance* pFreetypeFont = static_cast<FreetypeFontInstance*>(pFontInstance);
+    m_pFreetypeFont[ nFallbackLevel ] = pFreetypeFont;
+
+    // ignore fonts with e.g. corrupted font files
+    if (!m_pFreetypeFont[nFallbackLevel]->GetFreetypeFont().TestFont())
+        m_pFreetypeFont[nFallbackLevel] = nullptr;
+
+    // set the printer font
+    m_pPrinterGfx->SetFont( nID,
+                            rEntry.mnHeight,
+                            rEntry.mnWidth,
+                            rEntry.mnOrientation,
+                            rEntry.mbVertical,
+                            bArtItalic,
+                            bArtBold
+                            );
+}
+
+void GenPspGraphics::SetTextColor( Color nColor )
+{
+    psp::PrinterColor aColor (nColor.GetRed(),
+                              nColor.GetGreen(),
+                              nColor.GetBlue());
+    m_pPrinterGfx->SetTextColor (aColor);
+}
+
+bool GenPspGraphics::AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString&,const OUString& )
+{
+    return false;
+}
+
+bool GenPspGraphics::AddTempDevFontHelper( vcl::font::PhysicalFontCollection* pFontCollection,
+                                           std::u16string_view rFileURL,
+                                           const OUString& rFontName)
+{
+    // inform PSP font manager
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+    std::vector<psp::fontID> aFontIds = rMgr.addFontFile( rFileURL );
+    if( aFontIds.empty() )
+        return false;
+
+    FreetypeManager& rFreetypeManager = FreetypeManager::get();
+    for (auto const& elem : aFontIds)
+    {
+        // prepare font data
+        psp::FastPrintFontInfo aInfo;
+        rMgr.getFontFastInfo( elem, aInfo );
+        if (!rFontName.isEmpty())
+            aInfo.m_aFamilyName = rFontName;
+
+        // inform glyph cache of new font
+        FontAttributes aDFA = GenPspGraphics::Info2FontAttributes( aInfo );
+        aDFA.IncreaseQualityBy( 5800 );
+
+        int nFaceNum = rMgr.getFontFaceNumber( aInfo.m_nID );
+        int nVariantNum = rMgr.getFontFaceVariation( aInfo.m_nID );
+
+        const OString& rFileName = rMgr.getFontFileSysPath( aInfo.m_nID );
+        rFreetypeManager.AddFontFile(rFileName, nFaceNum, nVariantNum, aInfo.m_nID, aDFA);
+    }
+
+    // announce new font to device's font list
+    rFreetypeManager.AnnounceFonts(pFontCollection);
+    return true;
+}
+
+void GenPspGraphics::GetDevFontList( vcl::font::PhysicalFontCollection *pFontCollection )
+{
+    ::std::vector< psp::fontID > aList;
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+    rMgr.getFontList( aList );
+
+    psp::FastPrintFontInfo aInfo;
+    for (auto const& elem : aList)
+        if (rMgr.getFontFastInfo (elem, aInfo))
+            AnnounceFonts( pFontCollection, aInfo );
+
+    // register platform specific font substitutions if available
+    SalGenericInstance::RegisterFontSubstitutors( pFontCollection );
+}
+
+void GenPspGraphics::ClearDevFontCache()
+{
+    FreetypeManager::get().ClearFontCache();
+}
+
+void GenPspGraphics::GetFontMetric(ImplFontMetricDataRef& rxFontMetric, int nFallbackLevel)
+{
+    if (nFallbackLevel >= MAX_FALLBACK)
+        return;
+
+    if (m_pFreetypeFont[nFallbackLevel])
+        m_pFreetypeFont[nFallbackLevel]->GetFreetypeFont().GetFontMetric(rxFontMetric);
+}
+
+std::unique_ptr<GenericSalLayout> GenPspGraphics::GetTextLayout(int nFallbackLevel)
+{
+    assert(m_pFreetypeFont[nFallbackLevel]);
+    if (!m_pFreetypeFont[nFallbackLevel])
+        return nullptr;
+    return std::make_unique<PspSalLayout>(*m_pPrinterGfx, *m_pFreetypeFont[nFallbackLevel]);
+}
+
+bool GenPspGraphics::CreateFontSubset(
+                                   const OUString& rToFile,
+                                   const vcl::font::PhysicalFontFace* pFont,
+                                   const sal_GlyphId* pGlyphIds,
+                                   const sal_uInt8* pEncoding,
+                                   sal_Int32* pWidths,
+                                   int nGlyphCount,
+                                   FontSubsetInfo& rInfo
+                                   )
+{
+    // in this context the pFont->GetFontId() is a valid PSP
+    // font since they are the only ones left after the PDF
+    // export has filtered its list of subsettable fonts (for
+    // which this method was created). The correct way would
+    // be to have the FreetypeManager search for the PhysicalFontFace pFont
+    psp::fontID aFont = pFont->GetFontId();
+
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+    bool bSuccess = rMgr.createFontSubset( rInfo,
+                                 aFont,
+                                 rToFile,
+                                 pGlyphIds,
+                                 pEncoding,
+                                 pWidths,
+                                 nGlyphCount );
+    return bSuccess;
+}
+
+void GenPspGraphics::GetGlyphWidths( const vcl::font::PhysicalFontFace* pFont,
+                                  bool bVertical,
+                                  std::vector< sal_Int32 >& rWidths,
+                                  Ucs2UIntMap& rUnicodeEnc )
+{
+    // in this context the pFont->GetFontId() is a valid PSP
+    // font since they are the only ones left after the PDF
+    // export has filtered its list of subsettable fonts (for
+    // which this method was created). The correct way would
+    // be to have the FreetypeManager search for the PhysicalFontFace pFont
+    psp::fontID aFont = pFont->GetFontId();
+    GenPspGraphics::DoGetGlyphWidths( aFont, bVertical, rWidths, rUnicodeEnc );
+}
+
+void GenPspGraphics::DoGetGlyphWidths( psp::fontID aFont,
+                                    bool bVertical,
+                                    std::vector< sal_Int32 >& rWidths,
+                                    Ucs2UIntMap& rUnicodeEnc )
+{
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+    rMgr.getGlyphWidths( aFont, bVertical, rWidths, rUnicodeEnc );
+}
+
+FontAttributes GenPspGraphics::Info2FontAttributes( const psp::FastPrintFontInfo& rInfo )
+{
+    FontAttributes aDFA;
+    aDFA.SetFamilyName( rInfo.m_aFamilyName );
+    aDFA.SetStyleName( rInfo.m_aStyleName );
+    aDFA.SetFamilyType( rInfo.m_eFamilyStyle );
+    aDFA.SetWeight( rInfo.m_eWeight );
+    aDFA.SetItalic( rInfo.m_eItalic );
+    aDFA.SetWidthType( rInfo.m_eWidth );
+    aDFA.SetPitch( rInfo.m_ePitch );
+    aDFA.SetSymbolFlag( rInfo.m_aEncoding == RTL_TEXTENCODING_SYMBOL );
+    aDFA.SetQuality(512);
+
+    // add font family name aliases
+    for (auto const& alias : rInfo.m_aAliases)
+        aDFA.AddMapName(alias);
+
+#if OSL_DEBUG_LEVEL > 2
+    if( aDFA.GetMapNames().getLength() > 0 )
+    {
+        SAL_INFO( "vcl.fonts", "using alias names " << aDFA.GetMapNames() << " for font family " << aDFA.GetFamilyName() );
+    }
+#endif
+
+    return aDFA;
+}
+
+namespace vcl
+{
+    const char* getLangBoost()
+    {
+        const char* pLangBoost;
+        const LanguageType eLang = Application::GetSettings().GetUILanguageTag().getLanguageType();
+        if (eLang == LANGUAGE_JAPANESE)
+            pLangBoost = "jan";
+        else if (MsLangId::isKorean(eLang))
+            pLangBoost = "kor";
+        else if (MsLangId::isSimplifiedChinese(eLang))
+            pLangBoost = "zhs";
+        else if (MsLangId::isTraditionalChinese(eLang))
+            pLangBoost = "zht";
+        else
+            pLangBoost = nullptr;
+        return pLangBoost;
+    }
+}
+
+void GenPspGraphics::AnnounceFonts( vcl::font::PhysicalFontCollection* pFontCollection, const psp::FastPrintFontInfo& aInfo )
+{
+    int nQuality = 0;
+
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+    OString aFileName( rMgr.getFontFileSysPath( aInfo.m_nID ) );
+    int nPos = aFileName.lastIndexOf( '_' );
+    if( nPos == -1 || aFileName[nPos+1] == '.' )
+        nQuality += 5;
+    else
+    {
+        static const char* pLangBoost = nullptr;
+        static bool bOnce = true;
+        if( bOnce )
+        {
+            bOnce = false;
+            pLangBoost = vcl::getLangBoost();
+        }
+
+        if( pLangBoost )
+            if( o3tl::equalsIgnoreAsciiCase(aFileName.subView( nPos+1, 3 ), pLangBoost ) )
+                nQuality += 10;
+    }
+
+    rtl::Reference<ImplPspFontData> pFD(new ImplPspFontData( aInfo ));
+    pFD->IncreaseQualityBy( nQuality );
+    pFontCollection->Add( pFD.get() );
+}
+
+SystemGraphicsData GenPspGraphics::GetGraphicsData() const
+{
+    return SystemGraphicsData();
+}
+
+#if ENABLE_CAIRO_CANVAS
+
+bool GenPspGraphics::SupportsCairo() const
+{
+    return false;
+}
+
+cairo::SurfaceSharedPtr GenPspGraphics::CreateSurface(const cairo::CairoSurfaceSharedPtr& /*rSurface*/) const
+{
+    return cairo::SurfaceSharedPtr();
+}
+
+cairo::SurfaceSharedPtr GenPspGraphics::CreateSurface(const OutputDevice& /*rRefDevice*/, int /*x*/, int /*y*/, int /*width*/, int /*height*/) const
+{
+    return cairo::SurfaceSharedPtr();
+}
+
+cairo::SurfaceSharedPtr GenPspGraphics::CreateBitmapSurface(const OutputDevice& /*rRefDevice*/, const BitmapSystemData& /*rData*/, const Size& /*rSize*/) const
+{
+    return cairo::SurfaceSharedPtr();
+}
+
+css::uno::Any GenPspGraphics::GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& /*rSurface*/, const basegfx::B2ISize& /*rSize*/) const
+{
+    return css::uno::Any();
+}
+
+#endif // ENABLE_CAIRO_CANVAS
+
+void GenPspGraphics::DoFreeEmbedFontData( const void* pData, tools::Long nLen )
+{
+    if( pData )
+        munmap( const_cast<void *>(pData), nLen );
+}
+
+const void* GenPspGraphics::DoGetEmbedFontData(psp::fontID aFont, tools::Long* pDataLen)
+{
+
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+
+    OString aSysPath = rMgr.getFontFileSysPath( aFont );
+
+    int fd = open( aSysPath.getStr(), O_RDONLY );
+    if( fd < 0 )
+        return nullptr;
+    struct stat aStat;
+    if( fstat( fd, &aStat ) )
+    {
+        close( fd );
+        return nullptr;
+    }
+    void* pFile = mmap( nullptr, aStat.st_size, PROT_READ, MAP_SHARED, fd, 0 );
+    close( fd );
+    if( pFile == MAP_FAILED )
+        return nullptr;
+    *pDataLen = aStat.st_size;
+
+    return pFile;
+}
+
+void GenPspGraphics::FreeEmbedFontData( const void* pData, tools::Long nLen )
+{
+    DoFreeEmbedFontData( pData, nLen );
+}
+
+const void* GenPspGraphics::GetEmbedFontData(const vcl::font::PhysicalFontFace* pFont, tools::Long* pDataLen)
+{
+    // in this context the pFont->GetFontId() is a valid PSP
+    // font since they are the only ones left after the PDF
+    // export has filtered its list of subsettable fonts (for
+    // which this method was created). The correct way would
+    // be to have the FreetypeManager search for the PhysicalFontFace pFont
+    psp::fontID aFont = pFont->GetFontId();
+    return DoGetEmbedFontData(aFont, pDataLen);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */