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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/vcl/devicehelper.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--canvas/source/vcl/devicehelper.cxx217
1 files changed, 217 insertions, 0 deletions
diff --git a/canvas/source/vcl/devicehelper.cxx b/canvas/source/vcl/devicehelper.cxx
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+++ b/canvas/source/vcl/devicehelper.cxx
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+/* -*- 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 <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()
+ {}
+
+ 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
+ {
+ uno::Reference<rendering::XColorSpace>& GetDeviceColorSpace()
+ {
+ static uno::Reference<rendering::XColorSpace> xColorSpace =
+ []()
+ {
+ auto xTmp = canvas::tools::getStdColorSpace();
+ assert( xTmp.is() );
+ return xTmp;
+ }();
+ return xColorSpace;
+ };
+ }
+
+ uno::Reference<rendering::XColorSpace> const & DeviceHelper::getColorSpace() const
+ {
+ // always the same
+ return GetDeviceColorSpace();
+ }
+
+ 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: */