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, 287 insertions, 0 deletions

diff --git a/vcl/quartz/salgdicommon.cxx b/vcl/quartz/salgdicommon.cxx
new file mode 100644
index 000000000..197f4b38f
--- /dev/null
+++ b/vcl/quartz/salgdicommon.cxx
@@ -0,0 +1,287 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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 <cassert>
+#include <cstring>
+#include <numeric>
+
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <osl/endian.h>
+#include <osl/file.hxx>
+#include <sal/types.h>
+#include <tools/long.hxx>
+#include <vcl/sysdata.hxx>
+
+#include <fontsubset.hxx>
+#include <quartz/salbmp.h>
+#ifdef MACOSX
+#include <quartz/salgdi.h>
+#endif
+#include <quartz/utils.h>
+#ifdef IOS
+#include <svdata.hxx>
+#endif
+#include <sft.hxx>
+
+using namespace vcl;
+
+bool AquaSalGraphics::CreateFontSubset( const OUString& rToFile,
+                                        const vcl::font::PhysicalFontFace* pFontData,
+                                        const sal_GlyphId* pGlyphIds, const sal_uInt8* pEncoding,
+                                        sal_Int32* pGlyphWidths, const int nGlyphCount,
+                                        FontSubsetInfo& rInfo )
+{
+    // TODO: move more of the functionality here into the generic subsetter code
+
+    // prepare the requested file name for writing the font-subset file
+    OUString aSysPath;
+    if( osl_File_E_None != osl_getSystemPathFromFileURL( rToFile.pData, &aSysPath.pData ) )
+        return false;
+
+    // get the raw-bytes from the font to be subset
+    std::vector<unsigned char> aBuffer;
+    bool bCffOnly = false;
+    if( !GetRawFontData( pFontData, aBuffer, &bCffOnly ) )
+        return false;
+    const OString aToFile( OUStringToOString( aSysPath,
+                                              osl_getThreadTextEncoding()));
+
+    // handle CFF-subsetting
+    // NOTE: assuming that all glyphids requested on Aqua are fully translated
+    if (bCffOnly)
+        return SalGraphics::CreateCFFfontSubset(aBuffer.data(), aBuffer.size(), aToFile, pGlyphIds,
+                                                pEncoding, pGlyphWidths, nGlyphCount, rInfo);
+
+    // TODO: modernize psprint's horrible fontsubset C-API
+    // this probably only makes sense after the switch to another SCM
+    // that can preserve change history after file renames
+
+    // prepare data for psprint's font subsetter
+    TrueTypeFont* pSftFont = nullptr;
+    if (::OpenTTFontBuffer( static_cast<void*>(aBuffer.data()), aBuffer.size(), 0, &pSftFont)
+            != SFErrCodes::Ok)
+        return false;
+
+    // get details about the subsetted font
+    TTGlobalFontInfo aTTInfo;
+    ::GetTTGlobalFontInfo( pSftFont, &aTTInfo );
+    OUString aPSName(aTTInfo.psname, std::strlen(aTTInfo.psname), RTL_TEXTENCODING_UTF8);
+    FillFontSubsetInfo(aTTInfo, aPSName, rInfo);
+
+    // write subset into destination file
+    bool bRet
+        = SalGraphics::CreateTTFfontSubset(*pSftFont, aToFile, false /* use FontSelectPattern? */,
+                                           pGlyphIds, pEncoding, pGlyphWidths, nGlyphCount);
+    ::CloseTTFont(pSftFont);
+    return bRet;
+}
+
+#ifndef IOS
+
+void AquaSalGraphics::copyResolution( AquaSalGraphics& rGraphics )
+{
+    if (!rGraphics.mnRealDPIY && rGraphics.maShared.mbWindow && rGraphics.maShared.mpFrame)
+    {
+        rGraphics.initResolution(rGraphics.maShared.mpFrame->getNSWindow());
+    }
+    mnRealDPIX = rGraphics.mnRealDPIX;
+    mnRealDPIY = rGraphics.mnRealDPIY;
+}
+
+#endif
+
+SystemGraphicsData AquaSalGraphics::GetGraphicsData() const
+{
+    SystemGraphicsData aRes;
+    aRes.nSize = sizeof(aRes);
+    aRes.rCGContext = maShared.maContextHolder.get();
+    return aRes;
+}
+
+#ifndef IOS
+
+void AquaSalGraphics::initResolution(NSWindow* nsWindow)
+{
+    if (!nsWindow)
+    {
+        if (Application::IsBitmapRendering())
+            mnRealDPIX = mnRealDPIY = 96;
+        return;
+    }
+
+    // #i100617# read DPI only once; there is some kind of weird caching going on
+    // if the main screen changes
+    // FIXME: this is really unfortunate and needs to be investigated
+
+    SalData* pSalData = GetSalData();
+    if( pSalData->mnDPIX == 0 || pSalData->mnDPIY == 0 )
+    {
+        NSScreen* pScreen = nil;
+
+        /* #i91301#
+        many woes went into the try to have different resolutions
+        on different screens. The result of these trials is that OOo is not ready
+        for that yet, vcl and applications would need to be adapted.
+
+        Unfortunately this is not possible in the 3.0 timeframe.
+        So let's stay with one resolution for all Windows and VirtualDevices
+        which is the resolution of the main screen
+
+        This of course also means that measurements are exact only on the main screen.
+        For activating different resolutions again just comment out the two lines below.
+
+        if( pWin )
+        pScreen = [pWin screen];
+        */
+        if( pScreen == nil )
+        {
+            NSArray* pScreens = [NSScreen screens];
+            if( pScreens && [pScreens count] > 0)
+            {
+                pScreen = [pScreens objectAtIndex: 0];
+            }
+        }
+
+        mnRealDPIX = mnRealDPIY = 96;
+        if( pScreen )
+        {
+            NSDictionary* pDev = [pScreen deviceDescription];
+            if( pDev )
+            {
+                NSNumber* pVal = [pDev objectForKey: @"NSScreenNumber"];
+                if( pVal )
+                {
+                    // FIXME: casting a long to CGDirectDisplayID is evil, but
+                    // Apple suggest to do it this way
+                    const CGDirectDisplayID nDisplayID = static_cast<CGDirectDisplayID>([pVal longValue]);
+                    const CGSize aSize = CGDisplayScreenSize( nDisplayID ); // => result is in millimeters
+                    mnRealDPIX = static_cast<sal_Int32>((CGDisplayPixelsWide( nDisplayID ) * 25.4) / aSize.width);
+                    mnRealDPIY = static_cast<sal_Int32>((CGDisplayPixelsHigh( nDisplayID ) * 25.4) / aSize.height);
+                }
+                else
+                {
+                    OSL_FAIL( "no resolution found in device description" );
+                }
+            }
+            else
+            {
+                OSL_FAIL( "no device description" );
+            }
+        }
+        else
+        {
+            OSL_FAIL( "no screen found" );
+        }
+
+        // #i107076# maintaining size-WYSIWYG-ness causes many problems for
+        //           low-DPI, high-DPI or for mis-reporting devices
+        //           => it is better to limit the calculation result then
+        static const int nMinDPI = 72;
+        if( (mnRealDPIX < nMinDPI) || (mnRealDPIY < nMinDPI) )
+        {
+            mnRealDPIX = mnRealDPIY = nMinDPI;
+        }
+        // Note that on a Retina display, the "mnRealDPIX" as
+        // calculated above is not the true resolution of the display,
+        // but the "logical" one, or whatever the correct terminology
+        // is. (For instance on a 5K 27in iMac, it's 108.)  So at
+        // least currently, it won't be over 200. I don't know whether
+        // this test is a "sanity check", or whether there is some
+        // real reason to limit this to 200.
+        static const int nMaxDPI = 200;
+        if( (mnRealDPIX > nMaxDPI) || (mnRealDPIY > nMaxDPI) )
+        {
+            mnRealDPIX = mnRealDPIY = nMaxDPI;
+        }
+        // for OSX any anisotropy reported for the display resolution is best ignored (e.g. TripleHead2Go)
+        mnRealDPIX = mnRealDPIY = (mnRealDPIX + mnRealDPIY + 1) / 2;
+
+        pSalData->mnDPIX = mnRealDPIX;
+        pSalData->mnDPIY = mnRealDPIY;
+    }
+    else
+    {
+        mnRealDPIX = pSalData->mnDPIX;
+        mnRealDPIY = pSalData->mnDPIY;
+    }
+}
+
+#endif
+
+void AquaSharedAttributes::setState()
+{
+    maContextHolder.restoreState();
+    maContextHolder.saveState();
+
+    // setup clipping
+    if (mxClipPath)
+    {
+        CGContextBeginPath(maContextHolder.get());            // discard any existing path
+        CGContextAddPath(maContextHolder.get(), mxClipPath);  // set the current path to the clipping path
+        CGContextClip(maContextHolder.get());                 // use it for clipping
+    }
+
+    // set RGB colorspace and line and fill colors
+    CGContextSetFillColor(maContextHolder.get(), maFillColor.AsArray() );
+
+    CGContextSetStrokeColor(maContextHolder.get(), maLineColor.AsArray() );
+    CGContextSetShouldAntialias(maContextHolder.get(), false );
+    if (mnXorMode == 2)
+    {
+        CGContextSetBlendMode(maContextHolder.get(), kCGBlendModeDifference );
+    }
+}
+
+#ifndef IOS
+
+void AquaSalGraphics::updateResolution()
+{
+    SAL_WARN_IF(!maShared.mbWindow, "vcl", "updateResolution on inappropriate graphics");
+
+    initResolution((maShared.mbWindow && maShared.mpFrame) ? maShared.mpFrame->getNSWindow() : nil);
+}
+
+#endif
+
+XorEmulation::XorEmulation()
+  : m_xTargetLayer( nullptr )
+  , m_xTargetContext( nullptr )
+  , m_xMaskContext( nullptr )
+  , m_xTempContext( nullptr )
+  , m_pMaskBuffer( nullptr )
+  , m_pTempBuffer( nullptr )
+  , m_nBufferLongs( 0 )
+  , m_bIsEnabled( false )
+{
+    SAL_INFO( "vcl.quartz", "XorEmulation::XorEmulation() this=" << this );
+}
+
+XorEmulation::~XorEmulation()
+{
+    SAL_INFO( "vcl.quartz", "XorEmulation::~XorEmulation() this=" << this );
+    Disable();
+    SetTarget( 0, 0, 0, nullptr, nullptr );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */