1 files changed, 236 insertions, 0 deletions
diff --git a/vcl/aqua/source/gdi/salvd.cxx b/vcl/aqua/source/gdi/salvd.cxx
new file mode 100644
index 000000000000..eb09a44f5edd
--- /dev/null
+++ b/vcl/aqua/source/gdi/salvd.cxx
@@ -0,0 +1,236 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_vcl.hxx"
+
+#include "salvd.h"
+#include "salinst.h"
+#include "salgdi.h"
+#include "saldata.hxx"
+#include "salframe.h"
+
+#include "vcl/sysdata.hxx"
+
+// -----------------------------------------------------------------------
+
+SalVirtualDevice* AquaSalInstance::CreateVirtualDevice( SalGraphics* pGraphics,
+    long nDX, long nDY, USHORT nBitCount, const SystemGraphicsData *pData )
+{
+    // #i92075# can be called first in a thread
+    SalData::ensureThreadAutoreleasePool();
+
+    return new AquaSalVirtualDevice( static_cast< AquaSalGraphics* >( pGraphics ), nDX, nDY, nBitCount, pData );
+}
+
+// -----------------------------------------------------------------------
+
+void AquaSalInstance::DestroyVirtualDevice( SalVirtualDevice* pDevice )
+{
+    delete pDevice;
+}
+
+// =======================================================================
+
+AquaSalVirtualDevice::AquaSalVirtualDevice( AquaSalGraphics* pGraphic, long nDX, long nDY, USHORT nBitCount, const SystemGraphicsData *pData )
+:   mbGraphicsUsed( false )
+,   mxBitmapContext( NULL )
+,   mnBitmapDepth( 0 )
+,   mxLayer( NULL )
+{
+    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
+        mbForeignContext = true;        // the mxContext is from pData
+        mpGraphics = new AquaSalGraphics( /*pGraphic*/ );
+        mpGraphics->SetVirDevGraphics( mxLayer, pData->rCGContext );
+    }
+    else
+    {
+        // create empty new virtual device
+        mbForeignContext = false;           // the mxContext is created within VCL
+        mpGraphics = new AquaSalGraphics(); // never fails
+        mnBitmapDepth = nBitCount;
+
+        // inherit resolution from reference device
+        if( pGraphic )
+        {
+            AquaSalFrame* pFrame = pGraphic->getGraphicsFrame();
+            if( pFrame && AquaSalFrame::isAlive( pFrame ) )
+            {
+                mpGraphics->setGraphicsFrame( pFrame );
+                mpGraphics->copyResolution( *pGraphic );
+            }
+        }
+
+        if( nDX && nDY )
+            SetSize( nDX, nDY );
+
+        // NOTE: if SetSize does not succeed, we just ignore the nDX and nDY
+    }
+}
+
+// -----------------------------------------------------------------------
+
+AquaSalVirtualDevice::~AquaSalVirtualDevice()
+{
+    if( mpGraphics )
+    {
+        mpGraphics->SetVirDevGraphics( NULL, NULL );
+        delete mpGraphics;
+        mpGraphics = 0;
+    }
+    Destroy();
+}
+
+// -----------------------------------------------------------------------
+
+void AquaSalVirtualDevice::Destroy()
+{
+    if( mbForeignContext ) {
+        // Do not delete mxContext that we have received from outside VCL
+        mxLayer = NULL;
+        return;
+    }
+
+    if( mxLayer )
+    {
+        if( mpGraphics )
+            mpGraphics->SetVirDevGraphics( NULL, NULL );
+        CGLayerRelease( mxLayer );
+        mxLayer = NULL;
+    }
+
+    if( mxBitmapContext )
+    {
+        void* pRawData = CGBitmapContextGetData( mxBitmapContext );
+        rtl_freeMemory( pRawData );
+        CGContextRelease( mxBitmapContext );
+        mxBitmapContext = NULL;
+    }
+}
+
+// -----------------------------------------------------------------------
+
+SalGraphics* AquaSalVirtualDevice::GetGraphics()
+{
+    if( mbGraphicsUsed || !mpGraphics )
+        return 0;
+
+    mbGraphicsUsed = true;
+    return mpGraphics;
+}
+
+// -----------------------------------------------------------------------
+
+void AquaSalVirtualDevice::ReleaseGraphics( SalGraphics *pGraphics )
+{
+    mbGraphicsUsed = false;
+}
+
+// -----------------------------------------------------------------------
+
+BOOL AquaSalVirtualDevice::SetSize( long nDX, long nDY )
+{
+    if( mbForeignContext )
+    {
+        // Do not delete/resize mxContext that we have received from outside VCL
+        return true;
+    }
+
+    if( mxLayer )
+    {
+        const CGSize aSize = CGLayerGetSize( mxLayer );
+        if( (nDX == aSize.width) && (nDY == aSize.height) )
+        {
+            // Yay, we do not have to do anything :)
+            return true;
+        }
+    }
+
+    Destroy();
+
+    // create a Quartz layer matching to the intended virdev usage
+    CGContextRef xCGContext = NULL;
+    if( mnBitmapDepth && (mnBitmapDepth < 16) )
+    {
+        mnBitmapDepth = 8;  // TODO: are 1bit vdevs worth it?
+        const CGColorSpaceRef aCGColorSpace = GetSalData()->mxGraySpace;
+        const CGBitmapInfo aCGBmpInfo = kCGImageAlphaNone;
+        const int nBytesPerRow = (mnBitmapDepth * nDX + 7) / 8;
+
+        void* pRawData = rtl_allocateMemory( nBytesPerRow * nDY );
+        mxBitmapContext = ::CGBitmapContextCreate( pRawData, nDX, nDY,
+            mnBitmapDepth, nBytesPerRow, aCGColorSpace, aCGBmpInfo );
+        xCGContext = mxBitmapContext;
+    }
+    else
+    {
+        // default to a NSView target context
+        AquaSalFrame* pSalFrame = mpGraphics->getGraphicsFrame();
+        if( !pSalFrame && !GetSalData()->maFrames.empty() )
+            pSalFrame = *GetSalData()->maFrames.begin();
+        if( pSalFrame )
+        {
+            NSGraphicsContext* pNSContext = [NSGraphicsContext graphicsContextWithWindow: pSalFrame->getWindow()];
+            if( pNSContext )
+                xCGContext = reinterpret_cast<CGContextRef>([pNSContext graphicsPort]);
+        }
+    }
+
+    DBG_ASSERT( xCGContext, "no context" );
+
+    const CGSize aNewSize = { nDX, nDY };
+    mxLayer = CGLayerCreateWithContext( xCGContext, aNewSize, NULL );
+
+    if( mxLayer && mpGraphics )
+    {
+        // get the matching Quartz context
+        CGContextRef xDrawContext = CGLayerGetContext( mxLayer );
+        mpGraphics->SetVirDevGraphics( mxLayer, xDrawContext, mnBitmapDepth );
+    }
+
+    return (mxLayer != NULL);
+}
+
+// -----------------------------------------------------------------------
+
+void AquaSalVirtualDevice::GetSize( long& rWidth, long& rHeight )
+{
+    if( mxLayer )
+    {
+        const CGSize aSize = CGLayerGetSize( mxLayer );
+        rWidth = static_cast<long>(aSize.width);
+        rHeight = static_cast<long>(aSize.height);
+    }
+    else
+    {
+        rWidth = 0;
+        rHeight = 0;
+    }
+}