1 files changed, 102 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/discretebitmapprimitive2d.cxx b/drawinglayer/source/primitive2d/discretebitmapprimitive2d.cxx
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index 000000000..8a86f8320
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+++ b/drawinglayer/source/primitive2d/discretebitmapprimitive2d.cxx
@@ -0,0 +1,102 @@
+/* -*- 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/discretebitmapprimitive2d.hxx>
+#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+
+
+namespace drawinglayer::primitive2d
+{
+        void DiscreteBitmapPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
+        {
+            // use getViewTransformation() and getObjectTransformation() from
+            // ObjectAndViewTransformationDependentPrimitive2D to create a BitmapPrimitive2D
+            // with the correct mapping
+
+            if(getBitmapEx().IsEmpty())
+                return;
+
+            // get discrete size
+            const Size& rSizePixel = getBitmapEx().GetSizePixel();
+            const basegfx::B2DVector aDiscreteSize(rSizePixel.Width(), rSizePixel.Height());
+
+            // get inverse ViewTransformation
+            basegfx::B2DHomMatrix aInverseViewTransformation(getViewTransformation());
+            aInverseViewTransformation.invert();
+
+            // get size and position in world coordinates
+            const basegfx::B2DVector aWorldSize(aInverseViewTransformation * aDiscreteSize);
+            const basegfx::B2DPoint  aWorldTopLeft(getObjectTransformation() * getTopLeft());
+
+            // build object matrix in world coordinates so that the top-left
+            // position remains, but possible transformations (e.g. rotations)
+            // in the ObjectToView stack remain and get correctly applied
+            basegfx::B2DHomMatrix aObjectTransform;
+
+            aObjectTransform.set(0, 0, aWorldSize.getX());
+            aObjectTransform.set(1, 1, aWorldSize.getY());
+            aObjectTransform.set(0, 2, aWorldTopLeft.getX());
+            aObjectTransform.set(1, 2, aWorldTopLeft.getY());
+
+            // get inverse ObjectTransformation
+            basegfx::B2DHomMatrix aInverseObjectTransformation(getObjectTransformation());
+            aInverseObjectTransformation.invert();
+
+            // transform to object coordinate system
+            aObjectTransform = aInverseObjectTransformation * aObjectTransform;
+
+            // create BitmapPrimitive2D with now object-local coordinate data
+            rContainer.push_back(
+                new BitmapPrimitive2D(
+                    VCLUnoHelper::CreateVCLXBitmap(getBitmapEx()),
+                    aObjectTransform));
+        }
+
+        DiscreteBitmapPrimitive2D::DiscreteBitmapPrimitive2D(
+            const BitmapEx& rBitmapEx,
+            const basegfx::B2DPoint& rTopLeft)
+        :   maBitmapEx(rBitmapEx),
+            maTopLeft(rTopLeft)
+        {
+        }
+
+        bool DiscreteBitmapPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+        {
+            if(ObjectAndViewTransformationDependentPrimitive2D::operator==(rPrimitive))
+            {
+                const DiscreteBitmapPrimitive2D& rCompare = static_cast<const DiscreteBitmapPrimitive2D&>(rPrimitive);
+
+                return (getBitmapEx() == rCompare.getBitmapEx()
+                    && getTopLeft() == rCompare.getTopLeft());
+            }
+
+            return false;
+        }
+
+        // provide unique ID
+        sal_uInt32 DiscreteBitmapPrimitive2D::getPrimitive2DID() const
+        {
+            return PRIMITIVE2D_ID_DISCRETEBITMAPPRIMITIVE2D;
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */