xref: /aoo41x/main/svx/source/engine3d/polygn3d.cxx (revision f6e50924)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/polygn3d.hxx>
#include <svx/svdpage.hxx>
#include "svx/globl3d.hxx"
#include <basegfx/point/b3dpoint.hxx>
#include <svx/sdr/contact/viewcontactofe3dpolygon.hxx>
#include <basegfx/polygon/b3dpolygon.hxx>
#include <basegfx/polygon/b3dpolygontools.hxx>

TYPEINIT1(E3dPolygonObj, E3dCompoundObject);

//////////////////////////////////////////////////////////////////////////////
// #110094# DrawContact section

sdr::contact::ViewContact* E3dPolygonObj::CreateObjectSpecificViewContact()
{
	return new sdr::contact::ViewContactOfE3dPolygon(*this);
}

/*************************************************************************
|*
|* Konstruktor
|*
\************************************************************************/

E3dPolygonObj::E3dPolygonObj(
	E3dDefaultAttributes& rDefault,
	const basegfx::B3DPolyPolygon& rPolyPoly3D,
	sal_Bool bLinOnly)
:	E3dCompoundObject(rDefault),
	bLineOnly(bLinOnly)
{
	// Geometrie setzen
	SetPolyPolygon3D(rPolyPoly3D);

	// Default-Normals erzeugen
	CreateDefaultNormals();

	// Default-Texturkoordinaten erzeugen
	CreateDefaultTexture();
}

/*************************************************************************
|*
|* Konstruktor
|*
\************************************************************************/

E3dPolygonObj::E3dPolygonObj(
	E3dDefaultAttributes& rDefault,
	const basegfx::B3DPolyPolygon& rPolyPoly3D,
	const basegfx::B3DPolyPolygon& rPolyNormals3D,
	sal_Bool bLinOnly)
:	E3dCompoundObject(rDefault),
	bLineOnly(bLinOnly)
{
	// Geometrie und Normalen setzen
	SetPolyPolygon3D(rPolyPoly3D);
	SetPolyNormals3D(rPolyNormals3D);

	// Default-Texturkoordinaten erzeugen
	CreateDefaultTexture();
}

/*************************************************************************
|*
|* Konstruktor
|*
\************************************************************************/

E3dPolygonObj::E3dPolygonObj(
	E3dDefaultAttributes& rDefault,
	const basegfx::B3DPolyPolygon& rPolyPoly3D,
	const basegfx::B3DPolyPolygon& rPolyNormals3D,
	const basegfx::B2DPolyPolygon& rPolyTexture2D,
	sal_Bool bLinOnly)
:	E3dCompoundObject(rDefault),
	bLineOnly(bLinOnly)
{
	SetPolyPolygon3D(rPolyPoly3D);
	SetPolyNormals3D(rPolyNormals3D);
	SetPolyTexture2D(rPolyTexture2D);
}

/*************************************************************************
|*
|* Leer-Konstruktor
|*
\************************************************************************/

E3dPolygonObj::E3dPolygonObj()
:	E3dCompoundObject(),
	bLineOnly(false) // added missing initialisation
{
	// Keine Geometrie erzeugen
}

/*************************************************************************
|*
|* Default-Normalen erzeugen
|*
\************************************************************************/

void E3dPolygonObj::CreateDefaultNormals()
{
	basegfx::B3DPolyPolygon aPolyNormals;

	// Komplettes PolyPolygon mit den Ebenennormalen anlegen
	for(sal_uInt32 a(0L); a < aPolyPoly3D.count(); a++)
	{
		// Quellpolygon finden
		const basegfx::B3DPolygon aPolygon(aPolyPoly3D.getB3DPolygon(a));

		// Neues Polygon fuer Normalen anlegen
		basegfx::B3DPolygon aNormals;

		// Normale holen (und umdrehen)
		basegfx::B3DVector aNormal(-basegfx::tools::getNormal(aPolygon));

		// Neues Polygon fuellen
		for(sal_uInt32 b(0L); b < aPolygon.count(); b++)
		{
			aNormals.append(aNormal);
		}

		// Neues Polygon in PolyPolygon einfuegen
		aPolyNormals.append(aNormals);
	}

	// Default-Normalen setzen
	SetPolyNormals3D(aPolyNormals);
}

/*************************************************************************
|*
|* Default-Texturkoordinaten erzeugen
|*
\************************************************************************/

void E3dPolygonObj::CreateDefaultTexture()
{
	basegfx::B2DPolyPolygon aPolyTexture;

	// Komplettes PolyPolygon mit den Texturkoordinaten anlegen
	// Die Texturkoordinaten erstrecken sich ueber X,Y und Z
	// ueber die gesamten Extremwerte im Bereich 0.0 .. 1.0
	for(sal_uInt32 a(0L); a < aPolyPoly3D.count(); a++)
	{
		// Quellpolygon finden
		const basegfx::B3DPolygon& aPolygon(aPolyPoly3D.getB3DPolygon(a));

		// Gesamtgroesse des Objektes feststellen
		basegfx::B3DRange aVolume(basegfx::tools::getRange(aPolygon));

		// Normale holen
		basegfx::B3DVector aNormal(basegfx::tools::getNormal(aPolygon));
		aNormal.setX(fabs(aNormal.getX()));
		aNormal.setY(fabs(aNormal.getY()));
		aNormal.setZ(fabs(aNormal.getZ()));

		// Entscheiden, welche Koordinaten als Source fuer das
		// Mapping benutzt werden sollen
		sal_uInt16 nSourceMode = 0;

		// Groessten Freiheitsgrad ermitteln
		if(!(aNormal.getX() > aNormal.getY() && aNormal.getX() > aNormal.getZ()))
		{
			if(aNormal.getY() > aNormal.getZ())
			{
				// Y ist am groessten, benutze X,Z als mapping
				nSourceMode = 1;
			}
			else
			{
				// Z ist am groessten, benutze X,Y als mapping
				nSourceMode = 2;
			}
		}

		// Neues Polygon fuer Texturkoordinaten anlegen
		basegfx::B2DPolygon aTexture;

		// Neues Polygon fuellen
		for(sal_uInt32 b(0L); b < aPolygon.count(); b++)
		{
			basegfx::B2DPoint aTex;
			const basegfx::B3DPoint aCandidate(aPolygon.getB3DPoint(b));

			switch(nSourceMode)
			{
				case 0:	// Quelle ist 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:	// Quelle ist 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:	// Quelle ist 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);
		}

		// Neues Polygon in PolyPolygon einfuegen
		aPolyTexture.append(aTexture);
	}

	// Default-Texturkoordinaten setzen
	SetPolyTexture2D(aPolyTexture);
}

/*************************************************************************
|*
|* Destruktor
|*
\************************************************************************/

E3dPolygonObj::~E3dPolygonObj()
{
}

/*************************************************************************
|*
|* Identifier zurueckgeben
|*
\************************************************************************/

sal_uInt16 E3dPolygonObj::GetObjIdentifier() const
{
	return E3D_POLYGONOBJ_ID;
}

/*************************************************************************
|*
|* Polygon setzen
|*
\************************************************************************/

void E3dPolygonObj::SetPolyPolygon3D(const basegfx::B3DPolyPolygon& rNewPolyPoly3D)
{
	if ( aPolyPoly3D != rNewPolyPoly3D )
	{
		// Neues PolyPolygon; kopieren
		aPolyPoly3D = rNewPolyPoly3D;

		// Geometrie neu erzeugen
		ActionChanged();
	}
}

void E3dPolygonObj::SetPolyNormals3D(const basegfx::B3DPolyPolygon& rNewPolyNormals3D)
{
	if ( aPolyNormals3D != rNewPolyNormals3D )
	{
		// Neue Normalen; kopieren
		aPolyNormals3D = rNewPolyNormals3D;

		// Geometrie neu erzeugen
		ActionChanged();
	}
}

void E3dPolygonObj::SetPolyTexture2D(const basegfx::B2DPolyPolygon& rNewPolyTexture2D)
{
	if ( aPolyTexture2D != rNewPolyTexture2D )
	{
		// Neue Texturkoordinaten; kopieren
		aPolyTexture2D = rNewPolyTexture2D;

		// Geometrie neu erzeugen
		ActionChanged();
	}
}

/*************************************************************************
|*
|* Wandle das Objekt in ein Gruppenobjekt bestehend aus 6 Polygonen
|*
\************************************************************************/

SdrObject *E3dPolygonObj::DoConvertToPolyObj(sal_Bool /*bBezier*/, bool /*bAddText*/) const
{
	return NULL;
}

/*************************************************************************
|*
|* Zuweisungsoperator
|*
\************************************************************************/

void E3dPolygonObj::operator=(const SdrObject& rObj)
{
	// erstmal alle Childs kopieren
	E3dCompoundObject::operator=(rObj);

	// weitere Parameter kopieren
	const E3dPolygonObj& r3DObj = (const E3dPolygonObj&)rObj;

	aPolyPoly3D		 = r3DObj.aPolyPoly3D;
	aPolyNormals3D	 = r3DObj.aPolyNormals3D;
	aPolyTexture2D	 = r3DObj.aPolyTexture2D;
	bLineOnly		 = r3DObj.bLineOnly;
}

/*************************************************************************
|*
|* LineOnly setzen
|*
\************************************************************************/

void E3dPolygonObj::SetLineOnly(sal_Bool bNew)
{
	if(bNew != bLineOnly)
	{
		bLineOnly = bNew;
		ActionChanged();
	}
}

// eof