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Diffstat (limited to 'canvas/source/vcl/devicehelper.cxx')
| -rw-r--r-- | canvas/source/vcl/devicehelper.cxx | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/canvas/source/vcl/devicehelper.cxx b/canvas/source/vcl/devicehelper.cxx new file mode 100644 index 000000000..b9d4138aa --- /dev/null +++ b/canvas/source/vcl/devicehelper.cxx @@ -0,0 +1,218 @@ +/* -*- 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 <sal/config.h> + +#include <basegfx/utils/canvastools.hxx> +#include <basegfx/utils/unopolypolygon.hxx> +#include <canvas/canvastools.hxx> +#include <rtl/instance.hxx> +#include <tools/stream.hxx> +#include <vcl/canvastools.hxx> +#include <vcl/dibtools.hxx> + +#include "canvasbitmap.hxx" +#include "devicehelper.hxx" + +using namespace ::com::sun::star; + +namespace vclcanvas +{ + DeviceHelper::DeviceHelper() : + mpOutDev() + {} + + void DeviceHelper::init( const OutDevProviderSharedPtr& rOutDev ) + { + mpOutDev = rOutDev; + } + + geometry::RealSize2D DeviceHelper::getPhysicalResolution() + { + if( !mpOutDev ) + return ::canvas::tools::createInfiniteSize2D(); // we're disposed + + // Map a one-by-one millimeter box to pixel + OutputDevice& rOutDev = mpOutDev->getOutDev(); + const MapMode aOldMapMode( rOutDev.GetMapMode() ); + rOutDev.SetMapMode( MapMode(MapUnit::MapMM) ); + const Size aPixelSize( rOutDev.LogicToPixel(Size(1,1)) ); + rOutDev.SetMapMode( aOldMapMode ); + + return vcl::unotools::size2DFromSize( aPixelSize ); + } + + geometry::RealSize2D DeviceHelper::getPhysicalSize() + { + if( !mpOutDev ) + return ::canvas::tools::createInfiniteSize2D(); // we're disposed + + // Map the pixel dimensions of the output window to millimeter + OutputDevice& rOutDev = mpOutDev->getOutDev(); + const MapMode aOldMapMode( rOutDev.GetMapMode() ); + rOutDev.SetMapMode( MapMode(MapUnit::MapMM) ); + const Size aLogSize( rOutDev.PixelToLogic(rOutDev.GetOutputSizePixel()) ); + rOutDev.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 ) + { + uno::Reference< rendering::XLinePolyPolygon2D > xPoly; + if( !mpOutDev ) + return xPoly; // we're disposed + + xPoly.set( new ::basegfx::unotools::UnoPolyPolygon( + ::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence( points ) ) ); + // vcl only handles even_odd polygons + xPoly->setFillRule(rendering::FillRule_EVEN_ODD); + + return xPoly; + } + + uno::Reference< rendering::XBezierPolyPolygon2D > DeviceHelper::createCompatibleBezierPolyPolygon( + const uno::Reference< rendering::XGraphicDevice >& , + const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points ) + { + uno::Reference< rendering::XBezierPolyPolygon2D > xPoly; + if( !mpOutDev ) + return xPoly; // we're disposed + + xPoly.set( new ::basegfx::unotools::UnoPolyPolygon( + ::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence( points ) ) ); + // vcl only handles even_odd polygons + xPoly->setFillRule(rendering::FillRule_EVEN_ODD); + + return xPoly; + } + + uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleBitmap( + const uno::Reference< rendering::XGraphicDevice >& rDevice, + const geometry::IntegerSize2D& size ) + { + if( !mpOutDev ) + return uno::Reference< rendering::XBitmap >(); // we're disposed + + return uno::Reference< rendering::XBitmap >( + new CanvasBitmap( vcl::unotools::sizeFromIntegerSize2D(size), + false, + *rDevice, + mpOutDev ) ); + } + + uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileBitmap( + const uno::Reference< rendering::XGraphicDevice >& , + const geometry::IntegerSize2D& ) + { + return uno::Reference< rendering::XVolatileBitmap >(); + } + + uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleAlphaBitmap( + const uno::Reference< rendering::XGraphicDevice >& rDevice, + const geometry::IntegerSize2D& size ) + { + if( !mpOutDev ) + return uno::Reference< rendering::XBitmap >(); // we're disposed + + return uno::Reference< rendering::XBitmap >( + new CanvasBitmap( vcl::unotools::sizeFromIntegerSize2D(size), + true, + *rDevice, + mpOutDev ) ); + } + + uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileAlphaBitmap( + const uno::Reference< rendering::XGraphicDevice >& , + const geometry::IntegerSize2D& ) + { + return uno::Reference< rendering::XVolatileBitmap >(); + } + + void DeviceHelper::disposing() + { + // release all references + mpOutDev.reset(); + } + + uno::Any DeviceHelper::isAccelerated() const + { + return css::uno::Any(false); + } + + uno::Any DeviceHelper::getDeviceHandle() const + { + if( !mpOutDev ) + return uno::Any(); + + return uno::Any( + reinterpret_cast< sal_Int64 >(&mpOutDev->getOutDev()) ); + } + + uno::Any DeviceHelper::getSurfaceHandle() const + { + return getDeviceHandle(); + } + + namespace + { + struct DeviceColorSpace: public rtl::StaticWithInit<uno::Reference<rendering::XColorSpace>, + DeviceColorSpace> + { + uno::Reference<rendering::XColorSpace> operator()() + { + uno::Reference< rendering::XColorSpace > xColorSpace = canvas::tools::getStdColorSpace(); + assert( xColorSpace.is() ); + return xColorSpace; + } + }; + } + + uno::Reference<rendering::XColorSpace> const & DeviceHelper::getColorSpace() const + { + // always the same + return DeviceColorSpace::get(); + } + + void DeviceHelper::dumpScreenContent() const + { + static sal_Int32 nFilePostfixCount(0); + + if( !mpOutDev ) + return; + + OUString aFilename = "dbg_frontbuffer" + OUString::number(nFilePostfixCount) + ".bmp"; + + SvFileStream aStream( aFilename, StreamMode::STD_READWRITE ); + + const ::Point aEmptyPoint; + OutputDevice& rOutDev = mpOutDev->getOutDev(); + bool bOldMap( rOutDev.IsMapModeEnabled() ); + rOutDev.EnableMapMode( false ); + WriteDIB(rOutDev.GetBitmapEx(aEmptyPoint, rOutDev.GetOutputSizePixel()), aStream, false); + rOutDev.EnableMapMode( bOldMap ); + + ++nFilePostfixCount; + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |