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diff --git a/vcl/quartz/salvd.cxx b/vcl/quartz/salvd.cxx
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+/* -*- 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 <vcl/svapp.hxx>
+#include <vcl/sysdata.hxx>
+
+#ifdef MACOSX
+#include <osx/salinst.h>
+#include <osx/saldata.hxx>
+#include <osx/salframe.h>
+#else
+#include <ios/iosinst.hxx>
+#include "headless/svpframe.hxx"
+#include "headless/svpinst.hxx"
+#include "headless/svpvd.hxx"
+#endif
+#include <quartz/salgdi.h>
+#include <quartz/salvd.h>
+#include <quartz/utils.h>
+
+std::unique_ptr<SalVirtualDevice> AquaSalInstance::CreateVirtualDevice( SalGraphics& rGraphics,
+ tools::Long &nDX, tools::Long &nDY,
+ DeviceFormat eFormat,
+ const SystemGraphicsData *pData )
+{
+ // #i92075# can be called first in a thread
+ SalData::ensureThreadAutoreleasePool();
+
+#ifdef IOS
+ if( pData )
+ {
+ return std::unique_ptr<SalVirtualDevice>(new AquaSalVirtualDevice( static_cast< AquaSalGraphics* >(&rGraphics),
+ nDX, nDY, eFormat, pData ));
+ }
+ else
+ {
+ std::unique_ptr<SalVirtualDevice> pNew(new AquaSalVirtualDevice( NULL, nDX, nDY, eFormat, NULL ));
+ pNew->SetSize( nDX, nDY );
+ return pNew;
+ }
+#else
+ return std::unique_ptr<SalVirtualDevice>(new AquaSalVirtualDevice( static_cast< AquaSalGraphics* >(&rGraphics),
+ nDX, nDY, eFormat, pData ));
+#endif
+}
+
+AquaSalVirtualDevice::AquaSalVirtualDevice(
+ AquaSalGraphics* pGraphic, tools::Long &nDX, tools::Long &nDY,
+ DeviceFormat eFormat, const SystemGraphicsData *pData )
+ : mbGraphicsUsed( false )
+ , mnBitmapDepth( 0 )
+ , mnWidth(0)
+ , mnHeight(0)
+{
+ SAL_INFO( "vcl.virdev", "AquaSalVirtualDevice::AquaSalVirtualDevice() this=" << this
+ << " size=(" << nDX << "x" << nDY << ") bitcount=" << static_cast<int>(eFormat) <<
+ " pData=" << pData << " context=" << (pData ? pData->rCGContext : nullptr) );
+
+ if( pGraphic && pData && pData->rCGContext )
+ {
+ // Create virtual device based on existing SystemGraphicsData
+ // We ignore nDx and nDY, as the desired size comes from the SystemGraphicsData.
+ // the mxContext is from pData (what "mxContext"? there is no such field anywhere in vcl;)
+ mbForeignContext = true;
+ mpGraphics = new AquaSalGraphics( /*pGraphic*/ );
+ if (nDX == 0)
+ {
+ nDX = 1;
+ }
+ if (nDY == 0)
+ {
+ nDY = 1;
+ }
+ maLayer.set(CGLayerCreateWithContext(pData->rCGContext, CGSizeMake(nDX, nDY), nullptr));
+ // Interrogate the context as to its real size
+ if (maLayer.isSet())
+ {
+ const CGSize aSize = CGLayerGetSize(maLayer.get());
+ nDX = static_cast<tools::Long>(aSize.width);
+ nDY = static_cast<tools::Long>(aSize.height);
+ }
+ else
+ {
+ nDX = 0;
+ nDY = 0;
+ }
+
+ mpGraphics->SetVirDevGraphics(this, maLayer, pData->rCGContext);
+
+ SAL_INFO("vcl.virdev", "AquaSalVirtualDevice::AquaSalVirtualDevice() this=" << this <<
+ " (" << nDX << "x" << nDY << ") mbForeignContext=" << (mbForeignContext ? "YES" : "NO"));
+
+ }
+ else
+ {
+ // create empty new virtual device
+ mbForeignContext = false; // the mxContext is created within VCL
+ mpGraphics = new AquaSalGraphics(); // never fails
+ switch (eFormat)
+ {
+#ifdef IOS
+ case DeviceFormat::GRAYSCALE:
+ mnBitmapDepth = 8;
+ break;
+#endif
+ default:
+ mnBitmapDepth = 0;
+ break;
+ }
+#ifdef MACOSX
+ // inherit resolution from reference device
+ if( pGraphic )
+ {
+ AquaSalFrame* pFrame = pGraphic->getGraphicsFrame();
+ if( pFrame && AquaSalFrame::isAlive( pFrame ) )
+ {
+ mpGraphics->setGraphicsFrame( pFrame );
+ mpGraphics->copyResolution( *pGraphic );
+ }
+ }
+#endif
+ if( nDX && nDY )
+ {
+ SetSize( nDX, nDY );
+ }
+ // NOTE: if SetSize does not succeed, we just ignore the nDX and nDY
+ }
+}
+
+AquaSalVirtualDevice::~AquaSalVirtualDevice()
+{
+ SAL_INFO( "vcl.virdev", "AquaSalVirtualDevice::~AquaSalVirtualDevice() this=" << this );
+
+ if( mpGraphics )
+ {
+ mpGraphics->SetVirDevGraphics( this, nullptr, nullptr );
+ delete mpGraphics;
+ mpGraphics = nullptr;
+ }
+ Destroy();
+}
+
+SalGraphics* AquaSalVirtualDevice::AcquireGraphics()
+{
+ if( mbGraphicsUsed || !mpGraphics )
+ {
+ return nullptr;
+ }
+ mbGraphicsUsed = true;
+ return mpGraphics;
+}
+
+void AquaSalVirtualDevice::ReleaseGraphics( SalGraphics* )
+{
+ mbGraphicsUsed = false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */