viewcontactofe3dcube.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <sdr/contact/viewcontactofe3dcube.hxx>
#include <svx/cube3d.hxx>
#include <drawinglayer/primitive3d/sdrcubeprimitive3d.hxx>
#include <sdr/primitive2d/sdrattributecreator.hxx>
#include <sdr/primitive3d/sdrattributecreator3d.hxx>
#include <basegfx/range/b3drange.hxx>
 
 
namespace sdr::contact
{
        ViewContactOfE3dCube::ViewContactOfE3dCube(E3dCubeObj& rCubeObj)
        :   ViewContactOfE3d(rCubeObj)
        {
        }
 
        ViewContactOfE3dCube::~ViewContactOfE3dCube()
        {
        }
 
        drawinglayer::primitive3d::Primitive3DContainer ViewContactOfE3dCube::createViewIndependentPrimitive3DContainer() const
        {
            drawinglayer::primitive3d::Primitive3DContainer xRetval;
            const SfxItemSet& rItemSet = GetE3dCubeObj().GetMergedItemSet();
            const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(
                drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false));
 
            // get cube geometry and use as translation and scaling for unit cube
            basegfx::B3DRange aCubeRange;
            const basegfx::B3DVector aCubeSize(GetE3dCubeObj().GetCubeSize());
            const basegfx::B3DPoint aCubePosition(GetE3dCubeObj().GetCubePos());
            basegfx::B3DHomMatrix aWorldTransform;
 
            if(GetE3dCubeObj().GetPosIsCenter())
            {
                const basegfx::B3DVector aHalfCubeSize(aCubeSize / 2.0);
                aCubeRange.expand(aCubePosition - aHalfCubeSize);
                aCubeRange.expand(aCubePosition + aHalfCubeSize);
            }
            else
            {
                aCubeRange.expand(aCubePosition);
                aCubeRange.expand(aCubePosition + aCubeSize);
            }
 
            // add scale and translate to world transformation
            const basegfx::B3DVector abjectRange(aCubeRange.getRange());
            aWorldTransform.scale(abjectRange.getX(), abjectRange.getY(), abjectRange.getZ());
            aWorldTransform.translate(aCubeRange.getMinX(), aCubeRange.getMinY(), aCubeRange.getMinZ());
 
            // get 3D Object Attributes
            drawinglayer::attribute::Sdr3DObjectAttribute aSdr3DObjectAttribute(drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet));
 
            // calculate texture size to get a perfect mapping for
            // the front/back sides
            const basegfx::B2DVector aTextureSize(aCubeSize.getX(), aCubeSize.getY());
 
            // create primitive and add
            const drawinglayer::primitive3d::Primitive3DReference xReference(
                new drawinglayer::primitive3d::SdrCubePrimitive3D(
                    aWorldTransform, aTextureSize, aAttribute, aSdr3DObjectAttribute));
            xRetval = { xReference };
 
            return xRetval;
        }
 
} // end of namespace
 
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