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, 193 insertions, 0 deletions

diff --git a/drawinglayer/source/processor2d/contourextractor2d.cxx b/drawinglayer/source/processor2d/contourextractor2d.cxx
new file mode 100644
index 000000000..a1d120018
--- /dev/null
+++ b/drawinglayer/source/processor2d/contourextractor2d.cxx
@@ -0,0 +1,193 @@
+/* -*- 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 <drawinglayer/processor2d/contourextractor2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
+#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
+#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
+#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+#include <drawinglayer/primitive2d/sceneprimitive2d.hxx>
+
+
+using namespace com::sun::star;
+
+
+namespace drawinglayer::processor2d
+{
+        ContourExtractor2D::ContourExtractor2D(
+            const geometry::ViewInformation2D& rViewInformation,
+            bool bExtractFillOnly)
+        :   BaseProcessor2D(rViewInformation),
+            mbExtractFillOnly(bExtractFillOnly)
+        {
+        }
+
+        ContourExtractor2D::~ContourExtractor2D()
+        {
+        }
+
+        void ContourExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
+        {
+            switch(rCandidate.getPrimitive2DID())
+            {
+                case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
+                {
+                    if(!mbExtractFillOnly)
+                    {
+                        // extract hairline in world coordinates
+                        const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
+                        basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
+                        aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
+
+                        if(aLocalPolygon.isClosed())
+                        {
+                            // line polygons need to be represented as open polygons to differentiate them
+                            // from filled polygons
+                            basegfx::utils::openWithGeometryChange(aLocalPolygon);
+                        }
+
+                        maExtractedContour.emplace_back(aLocalPolygon);
+                    }
+                    break;
+                }
+                case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
+                {
+                    // extract fill in world coordinates
+                    const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
+                    basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
+                    aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
+                    maExtractedContour.push_back(aLocalPolyPolygon);
+                    break;
+                }
+                case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
+                {
+                    // extract BoundRect from bitmaps in world coordinates
+                    const primitive2d::BitmapPrimitive2D& rBitmapCandidate(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
+                    basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rBitmapCandidate.getTransform());
+                    basegfx::B2DPolygon aPolygon(basegfx::utils::createUnitPolygon());
+                    aPolygon.transform(aLocalTransform);
+                    maExtractedContour.emplace_back(aPolygon);
+                    break;
+                }
+                case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
+                {
+                    // extract BoundRect from MetaFiles in world coordinates
+                    const primitive2d::MetafilePrimitive2D& rMetaCandidate(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate));
+                    basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rMetaCandidate.getTransform());
+                    basegfx::B2DPolygon aPolygon(basegfx::utils::createUnitPolygon());
+                    aPolygon.transform(aLocalTransform);
+                    maExtractedContour.emplace_back(aPolygon);
+                    break;
+                }
+                case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D :
+                {
+                    // sub-transparence group. Look at children
+                    const primitive2d::TransparencePrimitive2D& rTransCandidate(static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate));
+                    process(rTransCandidate.getChildren());
+                    break;
+                }
+                case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
+                {
+                    // extract mask in world coordinates, ignore content
+                    const primitive2d::MaskPrimitive2D& rMaskCandidate(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate));
+                    basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
+                    aMask.transform(getViewInformation2D().getObjectTransformation());
+                    maExtractedContour.push_back(aMask);
+                    break;
+                }
+                case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
+                {
+                    // remember current ViewInformation2D
+                    const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
+                    const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
+
+                    // create new local ViewInformation2D
+                    const geometry::ViewInformation2D aViewInformation2D(
+                        getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
+                        getViewInformation2D().getViewTransformation(),
+                        getViewInformation2D().getViewport(),
+                        getViewInformation2D().getVisualizedPage(),
+                        getViewInformation2D().getViewTime());
+                    updateViewInformation(aViewInformation2D);
+
+                    // process content
+                    process(rTransformCandidate.getChildren());
+
+                    // restore transformations
+                    updateViewInformation(aLastViewInformation2D);
+
+                    break;
+                }
+                case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
+                {
+                    // 2D Scene primitive containing 3D stuff; extract 2D contour in world coordinates
+                    const primitive2d::ScenePrimitive2D& rScenePrimitive2DCandidate(static_cast< const primitive2d::ScenePrimitive2D& >(rCandidate));
+                    const primitive2d::Primitive2DContainer xExtracted2DSceneGeometry(rScenePrimitive2DCandidate.getGeometry2D());
+                    const primitive2d::Primitive2DContainer xExtracted2DSceneShadow(rScenePrimitive2DCandidate.getShadow2D());
+
+                    // process content
+                    if(!xExtracted2DSceneGeometry.empty())
+                    {
+                        process(xExtracted2DSceneGeometry);
+                    }
+
+                    // process content
+                    if(!xExtracted2DSceneShadow.empty())
+                    {
+                        process(xExtracted2DSceneShadow);
+                    }
+
+                    break;
+                }
+                case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
+                case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
+                case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
+                {
+                    // ignorable primitives
+                    break;
+                }
+                case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
+                case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
+                {
+                    // primitives who's BoundRect will be added in world coordinates
+                    basegfx::B2DRange aRange(rCandidate.getB2DRange(getViewInformation2D()));
+                    if (!aRange.isEmpty())
+                    {
+                        aRange.transform(getViewInformation2D().getObjectTransformation());
+                        maExtractedContour.emplace_back(basegfx::utils::createPolygonFromRect(aRange));
+                    }
+                    break;
+                }
+                default :
+                {
+                    // process recursively
+                    process(rCandidate);
+                    break;
+                }
+            }
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */