Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 217 insertions, 0 deletions

diff --git a/canvas/source/vcl/devicehelper.cxx b/canvas/source/vcl/devicehelper.cxx
new file mode 100644
index 000000000..40d2575f8
--- /dev/null
+++ b/canvas/source/vcl/devicehelper.cxx
@@ -0,0 +1,217 @@
+/* -*- 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: */