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/*************************************************************************
*
* 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/svapp.hxx>
#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 )
{
// #i91990#
NSWindow* pWindow = pSalFrame->getWindow();
if ( pWindow )
{
NSGraphicsContext* pNSContext = [NSGraphicsContext graphicsContextWithWindow: pWindow];
if( pNSContext )
xCGContext = reinterpret_cast<CGContextRef>([pNSContext graphicsPort]);
}
else
{
// fall back to a bitmap context
mnBitmapDepth = 32;
const CGColorSpaceRef aCGColorSpace = GetSalData()->mxRGBSpace;
const CGBitmapInfo aCGBmpInfo = kCGImageAlphaNoneSkipFirst;
const int nBytesPerRow = (mnBitmapDepth * nDX) / 8;
void* pRawData = rtl_allocateMemory( nBytesPerRow * nDY );
mxBitmapContext = ::CGBitmapContextCreate( pRawData, nDX, nDY,
8, nBytesPerRow, aCGColorSpace, aCGBmpInfo );
xCGContext = mxBitmapContext;
}
}
}
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;
}
}
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