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| -rw-r--r-- | drawinglayer/source/primitive2d/mediaprimitive2d.cxx | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/mediaprimitive2d.cxx b/drawinglayer/source/primitive2d/mediaprimitive2d.cxx new file mode 100644 index 000000000..5158c6822 --- /dev/null +++ b/drawinglayer/source/primitive2d/mediaprimitive2d.cxx @@ -0,0 +1,145 @@ +/* -*- 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/mediaprimitive2d.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx> +#include <vcl/GraphicObject.hxx> +#include <drawinglayer/primitive2d/graphicprimitive2d.hxx> +#include <drawinglayer/geometry/viewinformation2d.hxx> +#include <drawinglayer/primitive2d/transformprimitive2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <drawinglayer/primitive2d/hiddengeometryprimitive2d.hxx> + + +namespace drawinglayer::primitive2d +{ + void MediaPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const + { + Primitive2DContainer xRetval; + xRetval.resize(1); + + // create background object + basegfx::B2DPolygon aBackgroundPolygon(basegfx::utils::createUnitPolygon()); + aBackgroundPolygon.transform(getTransform()); + const Primitive2DReference xRefBackground( + new PolyPolygonColorPrimitive2D( + basegfx::B2DPolyPolygon(aBackgroundPolygon), + getBackgroundColor())); + xRetval[0] = xRefBackground; + + if(GraphicType::Bitmap == maSnapshot.GetType() || GraphicType::GdiMetafile == maSnapshot.GetType()) + { + const GraphicObject aGraphicObject(maSnapshot); + const GraphicAttr aGraphicAttr; + xRetval.resize(2); + xRetval[1] = new GraphicPrimitive2D(getTransform(), aGraphicObject, aGraphicAttr); + } + + if(getDiscreteBorder()) + { + const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() * + basegfx::B2DVector(static_cast<double>(getDiscreteBorder()), static_cast<double>(getDiscreteBorder()))); + const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY()); + + basegfx::B2DRange aSourceRange(0.0, 0.0, 1.0, 1.0); + aSourceRange.transform(getTransform()); + + basegfx::B2DRange aDestRange(aSourceRange); + aDestRange.grow(-0.5 * fDiscreteSize); + + if(basegfx::fTools::equalZero(aDestRange.getWidth()) || basegfx::fTools::equalZero(aDestRange.getHeight())) + { + // shrunk primitive has no content (zero size in X or Y), nothing to display. Still create + // invisible content for HitTest and BoundRect + const Primitive2DReference xHiddenLines(new HiddenGeometryPrimitive2D(xRetval)); + + xRetval = Primitive2DContainer { xHiddenLines, }; + } + else + { + // create transformation matrix from original range to shrunk range + basegfx::B2DHomMatrix aTransform; + aTransform.translate(-aSourceRange.getMinX(), -aSourceRange.getMinY()); + aTransform.scale(aDestRange.getWidth() / aSourceRange.getWidth(), aDestRange.getHeight() / aSourceRange.getHeight()); + aTransform.translate(aDestRange.getMinX(), aDestRange.getMinY()); + + // add transform primitive + const Primitive2DReference aScaled(new TransformPrimitive2D(aTransform, xRetval)); + xRetval = Primitive2DContainer { aScaled }; + } + } + + rContainer.insert(rContainer.end(), xRetval.begin(), xRetval.end()); + } + + MediaPrimitive2D::MediaPrimitive2D( + const basegfx::B2DHomMatrix& rTransform, + const OUString& rURL, + const basegfx::BColor& rBackgroundColor, + sal_uInt32 nDiscreteBorder, + const Graphic &rSnapshot) + : BufferedDecompositionPrimitive2D(), + maTransform(rTransform), + maURL(rURL), + maBackgroundColor(rBackgroundColor), + mnDiscreteBorder(nDiscreteBorder), + maSnapshot(rSnapshot) + { + } + + bool MediaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) + { + const MediaPrimitive2D& rCompare = static_cast<const MediaPrimitive2D&>(rPrimitive); + + return (getTransform() == rCompare.getTransform() + && maURL == rCompare.maURL + && getBackgroundColor() == rCompare.getBackgroundColor() + && getDiscreteBorder() == rCompare.getDiscreteBorder()); + } + + return false; + } + + basegfx::B2DRange MediaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0); + aRetval.transform(getTransform()); + + if(getDiscreteBorder()) + { + const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() * + basegfx::B2DVector(static_cast<double>(getDiscreteBorder()), static_cast<double>(getDiscreteBorder()))); + const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY()); + + aRetval.grow(-0.5 * fDiscreteSize); + } + + return aRetval; + } + + // provide unique ID + ImplPrimitive2DIDBlock(MediaPrimitive2D, PRIMITIVE2D_ID_MEDIAPRIMITIVE2D) + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |