f896bbcffe
Change-Id: Iaf7d02bb236f81a38a67a1430a718b6c3c78efae Reviewed-on: https://gerrit.libreoffice.org/c/core/+/139708 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
257 lines
9 KiB
C++
257 lines
9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <basegfx/utils/canvastools.hxx>
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#include <basegfx/utils/unopolypolygon.hxx>
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#include <tools/stream.hxx>
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#include <vcl/bitmapex.hxx>
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#include <vcl/canvastools.hxx>
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#include <vcl/dibtools.hxx>
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#include <canvas/canvastools.hxx>
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#include "cairo_canvasbitmap.hxx"
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#include "cairo_devicehelper.hxx"
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using namespace ::cairo;
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using namespace ::com::sun::star;
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namespace cairocanvas
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{
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DeviceHelper::DeviceHelper() :
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mpSurfaceProvider( nullptr ),
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mpRefDevice( nullptr )
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{
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}
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void DeviceHelper::implInit( SurfaceProvider& rSurfaceProvider,
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OutputDevice& rRefDevice )
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{
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mpSurfaceProvider = &rSurfaceProvider;
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mpRefDevice = &rRefDevice;
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// no own surface, this is handled by derived classes
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}
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void DeviceHelper::init( SurfaceProvider& rSurfaceProvider,
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OutputDevice& rRefDevice )
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{
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implInit(rSurfaceProvider, rRefDevice);
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OutputDevice* pOutDev = getOutputDevice();
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mpSurface = pOutDev->CreateSurface(pOutDev->GetOutOffXPixel(),
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pOutDev->GetOutOffYPixel(),
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pOutDev->GetOutputWidthPixel(),
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pOutDev->GetOutputHeightPixel());
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}
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void DeviceHelper::disposing()
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{
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// release all references
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mpSurface.reset();
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mpRefDevice = nullptr;
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mpSurfaceProvider = nullptr;
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}
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void DeviceHelper::setSize( const ::basegfx::B2ISize& rSize )
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{
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SAL_INFO(
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"canvas.cairo",
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"device size " << rSize.getWidth() << " x " << rSize.getHeight());
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if( !mpRefDevice )
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return; // disposed
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OutputDevice* pOutDev = getOutputDevice();
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// X11 only
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bool bReuseSurface = mpSurface &&
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mpSurface->Resize(rSize.getWidth() + pOutDev->GetOutOffXPixel(),
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rSize.getHeight() + pOutDev->GetOutOffYPixel());
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if (!bReuseSurface)
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{
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mpSurface = pOutDev->CreateSurface(
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pOutDev->GetOutOffXPixel(),
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pOutDev->GetOutOffYPixel(),
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rSize.getWidth(), rSize.getHeight() );
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}
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}
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geometry::RealSize2D DeviceHelper::getPhysicalResolution()
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{
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// Map a one-by-one millimeter box to pixel
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const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
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mpRefDevice->SetMapMode( MapMode(MapUnit::MapMM) );
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const Size aPixelSize( mpRefDevice->LogicToPixel(Size(1,1)) );
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mpRefDevice->SetMapMode( aOldMapMode );
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return vcl::unotools::size2DFromSize( aPixelSize );
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}
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geometry::RealSize2D DeviceHelper::getPhysicalSize()
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{
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if( !mpRefDevice )
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return ::canvas::tools::createInfiniteSize2D(); // we're disposed
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// Map the pixel dimensions of the output window to millimeter
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const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
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mpRefDevice->SetMapMode( MapMode(MapUnit::MapMM) );
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const Size aLogSize( mpRefDevice->PixelToLogic(mpRefDevice->GetOutputSizePixel()) );
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mpRefDevice->SetMapMode( aOldMapMode );
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return vcl::unotools::size2DFromSize( aLogSize );
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}
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uno::Reference< rendering::XLinePolyPolygon2D > DeviceHelper::createCompatibleLinePolyPolygon(
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const uno::Reference< rendering::XGraphicDevice >& ,
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const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points )
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{
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// disposed?
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if( !mpSurfaceProvider )
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return uno::Reference< rendering::XLinePolyPolygon2D >(); // we're disposed
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return uno::Reference< rendering::XLinePolyPolygon2D >(
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new ::basegfx::unotools::UnoPolyPolygon(
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::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence( points ) ) );
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}
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uno::Reference< rendering::XBezierPolyPolygon2D > DeviceHelper::createCompatibleBezierPolyPolygon(
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const uno::Reference< rendering::XGraphicDevice >& ,
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const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points )
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{
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// disposed?
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if( !mpSurfaceProvider )
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return uno::Reference< rendering::XBezierPolyPolygon2D >(); // we're disposed
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return uno::Reference< rendering::XBezierPolyPolygon2D >(
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new ::basegfx::unotools::UnoPolyPolygon(
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::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence( points ) ) );
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}
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uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleBitmap(
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const uno::Reference< rendering::XGraphicDevice >& rDevice,
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const geometry::IntegerSize2D& size )
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{
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// disposed?
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if( !mpSurfaceProvider )
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return uno::Reference< rendering::XBitmap >(); // we're disposed
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return uno::Reference< rendering::XBitmap >(
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new CanvasBitmap(
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::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
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SurfaceProviderRef(mpSurfaceProvider),
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rDevice.get(),
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false ));
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}
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uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileBitmap(
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const uno::Reference< rendering::XGraphicDevice >& ,
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const geometry::IntegerSize2D& /*size*/ )
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{
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return uno::Reference< rendering::XVolatileBitmap >();
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}
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uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleAlphaBitmap(
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const uno::Reference< rendering::XGraphicDevice >& rDevice,
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const geometry::IntegerSize2D& size )
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{
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// disposed?
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if( !mpSurfaceProvider )
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return uno::Reference< rendering::XBitmap >(); // we're disposed
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return uno::Reference< rendering::XBitmap >(
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new CanvasBitmap(
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::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
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SurfaceProviderRef(mpSurfaceProvider),
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rDevice.get(),
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true ));
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}
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uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileAlphaBitmap(
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const uno::Reference< rendering::XGraphicDevice >& ,
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const geometry::IntegerSize2D& /*size*/ )
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{
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return uno::Reference< rendering::XVolatileBitmap >();
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}
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uno::Any DeviceHelper::isAccelerated() const
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{
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return css::uno::Any(false);
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}
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uno::Any DeviceHelper::getDeviceHandle() const
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{
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return uno::Any( reinterpret_cast< sal_Int64 >(mpRefDevice.get()) );
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}
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uno::Any DeviceHelper::getSurfaceHandle() const
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{
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return uno::Any();
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}
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uno::Reference<rendering::XColorSpace> const & DeviceHelper::getColorSpace() const
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{
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static uno::Reference<rendering::XColorSpace> SPACE = vcl::unotools::createStandardColorSpace();
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// always the same
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return SPACE;
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}
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void DeviceHelper::dumpScreenContent() const
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{
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static sal_Int32 nFilePostfixCount(0);
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if( !mpRefDevice )
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return;
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OUString aFilename = "dbg_frontbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
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SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );
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const ::Point aEmptyPoint;
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bool bOldMap( mpRefDevice->IsMapModeEnabled() );
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mpRefDevice->EnableMapMode( false );
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const ::BitmapEx aTempBitmap(mpRefDevice->GetBitmapEx(aEmptyPoint, mpRefDevice->GetOutputSizePixel()));
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WriteDIB(aTempBitmap, aStream, false);
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mpRefDevice->EnableMapMode( bOldMap );
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++nFilePostfixCount;
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}
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SurfaceSharedPtr DeviceHelper::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
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{
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if( mpSurface )
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return mpSurface->getSimilar( aContent, rSize.getWidth(), rSize.getHeight() );
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return SurfaceSharedPtr();
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}
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SurfaceSharedPtr DeviceHelper::createSurface( BitmapSystemData const & rData, const Size& rSize )
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{
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if (mpRefDevice)
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return mpRefDevice->CreateBitmapSurface(rData, rSize);
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return SurfaceSharedPtr();
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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