/* -*- 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 <config_features.h>
#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
#include <canvas/canvastools.hxx>
#include <osl/mutex.hxx>
#include <cppuhelper/compbase1.hxx>
#include <com/sun/star/lang/NoSupportException.hpp>
#include <toolkit/helper/vclunohelper.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <basegfx/tools/unopolypolygon.hxx>
#include <vcl/canvastools.hxx>
#include <vcl/dibtools.hxx>
#include <tools/stream.hxx>
#include "cairo_spritecanvas.hxx"
#include "cairo_canvasbitmap.hxx"
#include "cairo_devicehelper.hxx"
using namespace ::cairo;
using namespace ::com::sun::star;
namespace cairocanvas
{
DeviceHelper::DeviceHelper() :
mpSurfaceProvider( NULL ),
mpRefDevice( NULL ),
mpSurface()
{
}
void DeviceHelper::implInit( SurfaceProvider& rSurfaceProvider,
OutputDevice& rRefDevice )
{
mpSurfaceProvider = &rSurfaceProvider;
mpRefDevice = &rRefDevice;
// no own surface, this is handled by derived classes
}
void DeviceHelper::init( SurfaceProvider& rSurfaceProvider,
OutputDevice& rRefDevice )
{
implInit(rSurfaceProvider, rRefDevice);
OutputDevice* pOutDev=getOutputDevice();
mpSurface = cairo::createSurface( *pOutDev,
pOutDev->GetOutOffXPixel(),
pOutDev->GetOutOffYPixel(),
pOutDev->GetOutputWidthPixel(),
pOutDev->GetOutputHeightPixel() );
}
void DeviceHelper::disposing()
{
// release all references
mpSurface.reset();
mpRefDevice = NULL;
mpSurfaceProvider = NULL;
}
void DeviceHelper::setSize( const ::basegfx::B2ISize& rSize )
{
OSL_TRACE("DeviceHelper::setSize(): device size %d x %d", rSize.getX(), rSize.getY() );
if( !mpRefDevice )
return; // disposed
OutputDevice* pOutDev=getOutputDevice();
#if HAVE_FEATURE_X11
// X11 only
if( mpSurface )
mpSurface->Resize( rSize.getX() + pOutDev->GetOutOffXPixel(),
rSize.getY() + pOutDev->GetOutOffYPixel() );
else
#endif
mpSurface = cairo::createSurface(
*pOutDev,
pOutDev->GetOutOffXPixel(),
pOutDev->GetOutOffYPixel(),
rSize.getX(), rSize.getY() );
}
geometry::RealSize2D DeviceHelper::getPhysicalResolution()
{
// Map a one-by-one millimeter box to pixel
const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
mpRefDevice->SetMapMode( MapMode(MAP_MM) );
const Size aPixelSize( mpRefDevice->LogicToPixel(Size(1,1)) );
mpRefDevice->SetMapMode( aOldMapMode );
return ::vcl::unotools::size2DFromSize( aPixelSize );
}
geometry::RealSize2D DeviceHelper::getPhysicalSize()
{
if( !mpRefDevice )
return ::canvas::tools::createInfiniteSize2D(); // we're disposed
// Map the pixel dimensions of the output window to millimeter
const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
mpRefDevice->SetMapMode( MapMode(MAP_MM) );
const Size aLogSize( mpRefDevice->PixelToLogic(mpRefDevice->GetOutputSizePixel()) );
mpRefDevice->SetMapMode( aOldMapMode );
return ::vcl::unotools::size2DFromSize( aLogSize );
}
uno::Reference< rendering::XLinePolyPolygon2D > DeviceHelper::createCompatibleLinePolyPolygon(
const uno::Reference< rendering::XGraphicDevice >& ,
const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points )
{
// disposed?
if( !mpSurfaceProvider )
return uno::Reference< rendering::XLinePolyPolygon2D >(); // we're disposed
return uno::Reference< rendering::XLinePolyPolygon2D >(
new ::basegfx::unotools::UnoPolyPolygon(
::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence( points ) ) );
}
uno::Reference< rendering::XBezierPolyPolygon2D > DeviceHelper::createCompatibleBezierPolyPolygon(
const uno::Reference< rendering::XGraphicDevice >& ,
const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points )
{
// disposed?
if( !mpSurfaceProvider )
return uno::Reference< rendering::XBezierPolyPolygon2D >(); // we're disposed
return uno::Reference< rendering::XBezierPolyPolygon2D >(
new ::basegfx::unotools::UnoPolyPolygon(
::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence( points ) ) );
}
uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleBitmap(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const geometry::IntegerSize2D& size )
{
// disposed?
if( !mpSurfaceProvider )
return uno::Reference< rendering::XBitmap >(); // we're disposed
return uno::Reference< rendering::XBitmap >(
new CanvasBitmap(
::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
SurfaceProviderRef(mpSurfaceProvider),
rDevice.get(),
false ));
}
uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileBitmap(
const uno::Reference< rendering::XGraphicDevice >& ,
const geometry::IntegerSize2D& /*size*/ )
{
return uno::Reference< rendering::XVolatileBitmap >();
}
uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleAlphaBitmap(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const geometry::IntegerSize2D& size )
{
// disposed?
if( !mpSurfaceProvider )
return uno::Reference< rendering::XBitmap >(); // we're disposed
return uno::Reference< rendering::XBitmap >(
new CanvasBitmap(
::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
SurfaceProviderRef(mpSurfaceProvider),
rDevice.get(),
true ));
}
uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileAlphaBitmap(
const uno::Reference< rendering::XGraphicDevice >& ,
const geometry::IntegerSize2D& /*size*/ )
{
return uno::Reference< rendering::XVolatileBitmap >();
}
bool DeviceHelper::hasFullScreenMode()
{
// TODO(F3): offer fullscreen mode the XCanvas way
return false;
}
bool DeviceHelper::enterFullScreenMode( bool /*bEnter*/ )
{
// TODO(F3): offer fullscreen mode the XCanvas way
return false;
}
uno::Any DeviceHelper::isAccelerated() const
{
return ::com::sun::star::uno::makeAny(false);
}
uno::Any DeviceHelper::getDeviceHandle() const
{
return uno::makeAny( reinterpret_cast< sal_Int64 >(mpRefDevice) );
}
uno::Any DeviceHelper::getSurfaceHandle() const
{
return uno::Any();
}
namespace
{
struct DeviceColorSpace: public rtl::StaticWithInit<uno::Reference<rendering::XColorSpace>,
DeviceColorSpace>
{
uno::Reference<rendering::XColorSpace> operator()()
{
return vcl::unotools::createStandardColorSpace();
}
};
}
uno::Reference<rendering::XColorSpace> DeviceHelper::getColorSpace() const
{
// always the same
return DeviceColorSpace::get();
}
void DeviceHelper::dumpScreenContent() const
{
static sal_Int32 nFilePostfixCount(0);
if( mpRefDevice )
{
OUString aFilename("dbg_frontbuffer");
aFilename += OUString::number(nFilePostfixCount);
aFilename += ".bmp";
SvFileStream aStream( aFilename, STREAM_STD_READWRITE );
const ::Point aEmptyPoint;
bool bOldMap( mpRefDevice->IsMapModeEnabled() );
mpRefDevice->EnableMapMode( false );
const ::Bitmap aTempBitmap(mpRefDevice->GetBitmap(aEmptyPoint, mpRefDevice->GetOutputSizePixel()));
WriteDIB(aTempBitmap, aStream, false, true);
mpRefDevice->EnableMapMode( bOldMap );
++nFilePostfixCount;
}
}
SurfaceSharedPtr DeviceHelper::getSurface()
{
return mpSurface;
}
SurfaceSharedPtr DeviceHelper::createSurface( const ::basegfx::B2ISize& rSize, Content aContent )
{
if( mpSurface )
return mpSurface->getSimilar( aContent, rSize.getX(), rSize.getY() );
return SurfaceSharedPtr();
}
SurfaceSharedPtr DeviceHelper::createSurface( BitmapSystemData& rData, const Size& rSize )
{
if( mpRefDevice )
return createBitmapSurface( *mpRefDevice, rData, rSize );
return SurfaceSharedPtr();
}
}
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