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, 154 insertions, 0 deletions

diff --git a/cppcanvas/source/mtfrenderer/lineaction.cxx b/cppcanvas/source/mtfrenderer/lineaction.cxx
new file mode 100644
index 000000000..4bc55d929
--- /dev/null
+++ b/cppcanvas/source/mtfrenderer/lineaction.cxx
@@ -0,0 +1,154 @@
+/* -*- 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 "lineaction.hxx"
+#include <outdevstate.hxx>
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <canvas/canvastools.hxx>
+#include <sal/log.hxx>
+
+#include <cppcanvas/canvas.hxx>
+#include <utility>
+
+#include "mtftools.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace cppcanvas::internal
+{
+        namespace
+        {
+            class LineAction : public Action
+            {
+            public:
+                LineAction( const ::basegfx::B2DPoint&,
+                            const ::basegfx::B2DPoint&,
+                            CanvasSharedPtr,
+                            const OutDevState& );
+
+                LineAction(const LineAction&) = delete;
+                const LineAction& operator=(const LineAction&) = delete;
+
+                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
+                virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
+                                           const Subset&                  rSubset ) const override;
+
+                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
+                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&   rTransformation,
+                                                       const Subset&                    rSubset ) const override;
+
+                virtual sal_Int32 getActionCount() const override;
+
+            private:
+                ::basegfx::B2DPoint     maStartPoint;
+                ::basegfx::B2DPoint     maEndPoint;
+                CanvasSharedPtr         mpCanvas;
+                rendering::RenderState  maState;
+            };
+
+            LineAction::LineAction( const ::basegfx::B2DPoint& rStartPoint,
+                                    const ::basegfx::B2DPoint& rEndPoint,
+                                    CanvasSharedPtr            xCanvas,
+                                    const OutDevState&         rState ) :
+                maStartPoint( rStartPoint ),
+                maEndPoint( rEndPoint ),
+                mpCanvas(std::move( xCanvas ))
+            {
+                tools::initRenderState(maState,rState);
+                maState.DeviceColor = rState.lineColor;
+            }
+
+            bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
+            {
+                SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction::render()" );
+                SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction: 0x" << std::hex << this );
+
+                rendering::RenderState aLocalState( maState );
+                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
+
+                mpCanvas->getUNOCanvas()->drawLine( ::basegfx::unotools::point2DFromB2DPoint(maStartPoint),
+                                                    ::basegfx::unotools::point2DFromB2DPoint(maEndPoint),
+                                                    mpCanvas->getViewState(),
+                                                    aLocalState );
+
+                return true;
+            }
+
+            bool LineAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
+                                           const Subset&                  rSubset ) const
+            {
+                // line only contains a single action, fail if subset
+                // requests different range
+                if( rSubset.mnSubsetBegin != 0 ||
+                    rSubset.mnSubsetEnd != 1 )
+                    return false;
+
+                return render( rTransformation );
+            }
+
+            ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
+            {
+                rendering::RenderState aLocalState( maState );
+                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
+
+                return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maStartPoint,
+                                                                          maEndPoint ),
+                                                     mpCanvas->getViewState(),
+                                                     aLocalState );
+            }
+
+            ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix&   rTransformation,
+                                                       const Subset&                    rSubset ) const
+            {
+                // line only contains a single action, empty bounds
+                // if subset requests different range
+                if( rSubset.mnSubsetBegin != 0 ||
+                    rSubset.mnSubsetEnd != 1 )
+                    return ::basegfx::B2DRange();
+
+                return getBounds( rTransformation );
+            }
+
+            sal_Int32 LineAction::getActionCount() const
+            {
+                return 1;
+            }
+        }
+
+        std::shared_ptr<Action> LineActionFactory::createLineAction( const ::basegfx::B2DPoint& rStartPoint,
+                                                             const ::basegfx::B2DPoint& rEndPoint,
+                                                             const CanvasSharedPtr&     rCanvas,
+                                                             const OutDevState&         rState  )
+        {
+            return std::make_shared<LineAction>( rStartPoint,
+                                                 rEndPoint,
+                                                 rCanvas,
+                                                 rState);
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */