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/* -*- 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 <polygn3d.hxx>
#include <svx/globl3d.hxx>
#include <basegfx/point/b3dpoint.hxx>
#include <sdr/contact/viewcontactofe3dpolygon.hxx>
#include <basegfx/polygon/b3dpolygon.hxx>
#include <basegfx/polygon/b3dpolygontools.hxx>
// DrawContact section
std::unique_ptr<sdr::contact::ViewContact> E3dPolygonObj::CreateObjectSpecificViewContact()
{
return std::make_unique<sdr::contact::ViewContactOfE3dPolygon>(*this);
}
E3dPolygonObj::E3dPolygonObj(
SdrModel& rSdrModel,
const basegfx::B3DPolyPolygon& rPolyPoly3D)
: E3dCompoundObject(rSdrModel),
bLineOnly(true)
{
// Set geometry
SetPolyPolygon3D(rPolyPoly3D);
// Create default normals
CreateDefaultNormals();
// Create default texture coordinates
CreateDefaultTexture();
}
E3dPolygonObj::E3dPolygonObj(SdrModel& rSdrModel)
: E3dCompoundObject(rSdrModel),
bLineOnly(false)
{
// Create no geometry
}
void E3dPolygonObj::CreateDefaultNormals()
{
basegfx::B3DPolyPolygon aPolyNormals;
// Create a complete tools::PolyPolygon with the plane normal
for(sal_uInt32 a(0); a < aPolyPoly3D.count(); a++)
{
// Find source polygon
const basegfx::B3DPolygon aPolygon(aPolyPoly3D.getB3DPolygon(a));
// Creating a new polygon for the normal
basegfx::B3DPolygon aNormals;
// Get normal (and invert)
basegfx::B3DVector aNormal(-aPolygon.getNormal());
// Fill new polygon
for(sal_uInt32 b(0); b < aPolygon.count(); b++)
{
aNormals.append(aNormal);
}
// Insert new polygon into the PolyPolygon
aPolyNormals.append(aNormals);
}
// Set default normal
SetPolyNormals3D(aPolyNormals);
}
void E3dPolygonObj::CreateDefaultTexture()
{
basegfx::B2DPolyPolygon aPolyTexture;
// Create a complete tools::PolyPolygon with the texture coordinates
// The texture coordinates extend over X,Y and Z
// on the whole extreme values in the range 0.0 .. 1.0
for(sal_uInt32 a(0); a < aPolyPoly3D.count(); a++)
{
// Find source polygon
const basegfx::B3DPolygon& aPolygon(aPolyPoly3D.getB3DPolygon(a));
// Determine the total size of the object
basegfx::B3DRange aVolume(basegfx::utils::getRange(aPolygon));
// Get normal
basegfx::B3DVector aNormal(aPolygon.getNormal());
aNormal.setX(fabs(aNormal.getX()));
aNormal.setY(fabs(aNormal.getY()));
aNormal.setZ(fabs(aNormal.getZ()));
// Decide which coordinates should be used as a source for the mapping
sal_uInt16 nSourceMode = 0;
// Determine the greatest degree of freedom
if(!(aNormal.getX() > aNormal.getY() && aNormal.getX() > aNormal.getZ()))
{
if(aNormal.getY() > aNormal.getZ())
{
// Y is the largest, use X,Z as mapping
nSourceMode = 1;
}
else
{
// Z is the largest, use X,Y as mapping
nSourceMode = 2;
}
}
// Create new polygon for texture coordinates
basegfx::B2DPolygon aTexture;
// Fill new polygon
for(sal_uInt32 b(0); b < aPolygon.count(); b++)
{
basegfx::B2DPoint aTex;
const basegfx::B3DPoint aCandidate(aPolygon.getB3DPoint(b));
switch(nSourceMode)
{
case 0: //Source is Y,Z
if(aVolume.getHeight())
aTex.setX((aCandidate.getY() - aVolume.getMinY()) / aVolume.getHeight());
if(aVolume.getDepth())
aTex.setY((aCandidate.getZ() - aVolume.getMinZ()) / aVolume.getDepth());
break;
case 1: // Source is X,Z
if(aVolume.getWidth())
aTex.setX((aCandidate.getX() - aVolume.getMinX()) / aVolume.getWidth());
if(aVolume.getDepth())
aTex.setY((aCandidate.getZ() - aVolume.getMinZ()) / aVolume.getDepth());
break;
case 2: // Source is X,Y
if(aVolume.getWidth())
aTex.setX((aCandidate.getX() - aVolume.getMinX()) / aVolume.getWidth());
if(aVolume.getHeight())
aTex.setY((aCandidate.getY() - aVolume.getMinY()) / aVolume.getHeight());
break;
}
aTexture.append(aTex);
}
// Insert new polygon into the PolyPolygon
aPolyTexture.append(aTexture);
}
// Set default Texture coordinates
SetPolyTexture2D(aPolyTexture);
}
E3dPolygonObj::~E3dPolygonObj()
{
}
sal_uInt16 E3dPolygonObj::GetObjIdentifier() const
{
return E3D_POLYGONOBJ_ID;
}
void E3dPolygonObj::SetPolyPolygon3D(const basegfx::B3DPolyPolygon& rNewPolyPoly3D)
{
if ( aPolyPoly3D != rNewPolyPoly3D )
{
// New PolyPolygon; copying
aPolyPoly3D = rNewPolyPoly3D;
// Create new geometry
ActionChanged();
}
}
void E3dPolygonObj::SetPolyNormals3D(const basegfx::B3DPolyPolygon& rNewPolyNormals3D)
{
if ( aPolyNormals3D != rNewPolyNormals3D )
{
// New PolyPolygon; copying
aPolyNormals3D = rNewPolyNormals3D;
// Create new geometry
ActionChanged();
}
}
void E3dPolygonObj::SetPolyTexture2D(const basegfx::B2DPolyPolygon& rNewPolyTexture2D)
{
if ( aPolyTexture2D != rNewPolyTexture2D )
{
// New PolyPolygon; copying
aPolyTexture2D = rNewPolyTexture2D;
// Create new geometry
ActionChanged();
}
}
// Convert the object into a group object consisting of 6 polygons
SdrObjectUniquePtr E3dPolygonObj::DoConvertToPolyObj(bool /*bBezier*/, bool /*bAddText*/) const
{
return nullptr;
}
E3dPolygonObj* E3dPolygonObj::CloneSdrObject(SdrModel& rTargetModel) const
{
return CloneHelper< E3dPolygonObj >(rTargetModel);
}
E3dPolygonObj& E3dPolygonObj::operator=(const E3dPolygonObj& rObj)
{
if( this == &rObj )
return *this;
E3dCompoundObject::operator=(rObj);
aPolyPoly3D = rObj.aPolyPoly3D;
aPolyNormals3D = rObj.aPolyNormals3D;
aPolyTexture2D = rObj.aPolyTexture2D;
bLineOnly = rObj.bLineOnly;
return *this;
}
void E3dPolygonObj::SetLineOnly(bool bNew)
{
if(bNew != bLineOnly)
{
bLineOnly = bNew;
ActionChanged();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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