Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 148 insertions, 0 deletions

diff --git a/drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx b/drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx
new file mode 100644
index 000000000..b7c67bf8f
--- /dev/null
+++ b/drawinglayer/source/primitive2d/pagepreviewprimitive2d.cxx
@@ -0,0 +1,148 @@
+/* -*- 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/primitive2d/pagepreviewprimitive2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+
+using namespace com::sun::star;
+
+
+namespace drawinglayer::primitive2d
+{
+        void PagePreviewPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
+        {
+            Primitive2DContainer aContent(getPageContent());
+
+            if(!(!aContent.empty()
+                && basegfx::fTools::more(getContentWidth(), 0.0)
+                && basegfx::fTools::more(getContentHeight(), 0.0)))
+                return;
+
+            // the decomposed matrix will be needed
+            basegfx::B2DVector aScale, aTranslate;
+            double fRotate, fShearX;
+            getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
+
+            if(!(basegfx::fTools::more(aScale.getX(), 0.0) && basegfx::fTools::more(aScale.getY(), 0.0)))
+                return;
+
+            // check if content overlaps with target size and needs to be embedded with a
+            // clipping primitive
+            const basegfx::B2DRange aRealContentRange(aContent.getB2DRange(rViewInformation));
+            const basegfx::B2DRange aAllowedContentRange(0.0, 0.0, getContentWidth(), getContentHeight());
+
+            if(!aAllowedContentRange.isInside(aRealContentRange))
+            {
+                const Primitive2DReference xReferenceA(
+                    new MaskPrimitive2D(
+                        basegfx::B2DPolyPolygon(
+                            basegfx::utils::createPolygonFromRect(aAllowedContentRange)), aContent));
+                aContent = Primitive2DContainer { xReferenceA };
+            }
+
+            // create a mapping from content to object.
+            basegfx::B2DHomMatrix aPageTrans;
+
+            // #i101075# when keeping the aspect ratio is wanted, it is necessary to calculate
+            // an equidistant scaling in X and Y and a corresponding translation to
+            // center the output. Calculate needed scale factors
+            const double fScaleX(aScale.getX() / getContentWidth());
+            const double fScaleY(aScale.getY() / getContentHeight());
+
+            // to keep the aspect, use the smaller scale and adapt missing size by translation
+            if(fScaleX < fScaleY)
+            {
+                // height needs to be adapted
+                const double fNeededHeight(aScale.getY() / fScaleX);
+                const double fSpaceToAdd(fNeededHeight - getContentHeight());
+
+                aPageTrans.translate(0.0, fSpaceToAdd * 0.5);
+                aPageTrans.scale(fScaleX, aScale.getY() / fNeededHeight);
+            }
+            else
+            {
+                // width needs to be adapted
+                const double fNeededWidth(aScale.getX() / fScaleY);
+                const double fSpaceToAdd(fNeededWidth - getContentWidth());
+
+                aPageTrans.translate(fSpaceToAdd * 0.5, 0.0);
+                aPageTrans.scale(aScale.getX() / fNeededWidth, fScaleY);
+            }
+
+            // add the missing object transformation aspects
+            const basegfx::B2DHomMatrix aCombined(basegfx::utils::createShearXRotateTranslateB2DHomMatrix(
+                    fShearX, fRotate, aTranslate.getX(), aTranslate.getY()));
+            aPageTrans = aCombined * aPageTrans;
+
+            // embed in necessary transformation to map from SdrPage to SdrPageObject
+            rContainer.push_back(new TransformPrimitive2D(aPageTrans, aContent));
+        }
+
+        PagePreviewPrimitive2D::PagePreviewPrimitive2D(
+            const css::uno::Reference< css::drawing::XDrawPage >& rxDrawPage,
+            const basegfx::B2DHomMatrix& rTransform,
+            double fContentWidth,
+            double fContentHeight,
+            const Primitive2DContainer& rPageContent)
+        :   BufferedDecompositionPrimitive2D(),
+            mxDrawPage(rxDrawPage),
+            maPageContent(rPageContent),
+            maTransform(rTransform),
+            mfContentWidth(fContentWidth),
+            mfContentHeight(fContentHeight)
+        {
+        }
+
+        bool PagePreviewPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+        {
+            if(BasePrimitive2D::operator==(rPrimitive))
+            {
+                const PagePreviewPrimitive2D& rCompare = static_cast< const PagePreviewPrimitive2D& >(rPrimitive);
+
+                return (getXDrawPage() == rCompare.getXDrawPage()
+                    && getPageContent() == rCompare.getPageContent()
+                    && getTransform() == rCompare.getTransform()
+                    && getContentWidth() == rCompare.getContentWidth()
+                    && getContentHeight() == rCompare.getContentHeight());
+            }
+
+            return false;
+        }
+
+        basegfx::B2DRange PagePreviewPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation`*/) const
+        {
+            // nothing is allowed to stick out of a PagePreviewPrimitive, thus we
+            // can quickly deliver our range here
+            basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
+            aRetval.transform(getTransform());
+            return aRetval;
+        }
+
+        // provide unique ID
+        ImplPrimitive2DIDBlock(PagePreviewPrimitive2D, PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D)
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */