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// File: VrmlData_Material.cxx
// Created: 17.07.07 12:10:32
// Author: Alexander GRIGORIEV
// Copyright: Open Cascade 2007
#include <VrmlData_Material.hxx>
#include <Precision.hxx>
#include <VrmlData_InBuffer.hxx>
#include <VrmlData_Scene.hxx>
#include <gp_XYZ.hxx>
#ifdef _MSC_VER
#define _CRT_SECURE_NO_DEPRECATE
#endif
#include <stdio.h>
IMPLEMENT_STANDARD_HANDLE (VrmlData_Material, VrmlData_Node)
IMPLEMENT_STANDARD_RTTIEXT (VrmlData_Material, VrmlData_Node)
//=======================================================================
//function : VrmlData_Material()
//purpose : Empty Constructor
//=======================================================================
VrmlData_Material::VrmlData_Material ()
: myAmbientIntensity (0.2),
myShininess (0.2),
myTransparency (0.),
myDiffuseColor (0.8, 0.8, 0.8, Quantity_TOC_RGB),
myEmissiveColor (0., 0., 0., Quantity_TOC_RGB),
mySpecularColor (0., 0., 0., Quantity_TOC_RGB)
{}
//=======================================================================
//function : VrmlData_Material
//purpose : Constructor
//=======================================================================
VrmlData_Material::VrmlData_Material (const VrmlData_Scene& theScene,
const char * theName,
const Standard_Real theAmbientIntens,
const Standard_Real theShininess,
const Standard_Real theTransparency)
: VrmlData_Node (theScene, theName),
myAmbientIntensity (theAmbientIntens < 0. ? 0.2 : theAmbientIntens),
myShininess (theShininess < 0. ? 0.2 : theShininess),
myTransparency (theTransparency < 0 ? 0. : theTransparency),
myDiffuseColor (0.8, 0.8, 0.8, Quantity_TOC_RGB),
myEmissiveColor (0., 0., 0., Quantity_TOC_RGB),
mySpecularColor (0., 0., 0., Quantity_TOC_RGB)
{}
//=======================================================================
//function : VrmlData_Material::Clone
//purpose :
//=======================================================================
Handle(VrmlData_Node) VrmlData_Material::Clone
(const Handle(VrmlData_Node)& theOther) const
{
Handle(VrmlData_Material) aResult =
Handle(VrmlData_Material)::DownCast (VrmlData_Node::Clone(theOther));
if (aResult.IsNull())
aResult =
new VrmlData_Material (theOther.IsNull() ? Scene() : theOther->Scene(),
Name());
aResult->SetAmbientIntensity (myAmbientIntensity);
aResult->SetShininess (myShininess);
aResult->SetTransparency (myTransparency);
aResult->SetDiffuseColor (myDiffuseColor);
aResult->SetEmissiveColor (myEmissiveColor);
aResult->SetSpecularColor (mySpecularColor);
return aResult;
}
//=======================================================================
//function : VrmlData_Material::Read
//purpose :
//=======================================================================
VrmlData_ErrorStatus VrmlData_Material::Read (VrmlData_InBuffer& theBuffer)
{
VrmlData_ErrorStatus aStatus;
const Standard_Real aConf = 0.001 * Precision::Confusion();
Standard_Real anIntensity[3] = { 0.2, 0.2, 0. };
gp_XYZ aColor[3] = {
gp_XYZ (0.8, 0.8, 0.8),
gp_XYZ (0.0, 0.0, 0.0),
gp_XYZ (0.0, 0.0, 0.0)
};
while (OK(aStatus, VrmlData_Scene::ReadLine(theBuffer))) {
if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "ambientIntensity")) {
if (OK(aStatus, Scene().ReadReal (theBuffer, anIntensity[0],
Standard_False, Standard_False)))
if (anIntensity[0] < -aConf || anIntensity[0] > 1.+aConf) {
aStatus = VrmlData_IrrelevantNumber;
break;
}
} else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "shininess")) {
if (OK(aStatus, Scene().ReadReal (theBuffer, anIntensity[1],
Standard_False, Standard_False)))
if (anIntensity[1] < -aConf || anIntensity[1] > 1.+aConf) {
aStatus = VrmlData_IrrelevantNumber;
break;
}
} else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "transparency")) {
if (OK(aStatus, Scene().ReadReal (theBuffer, anIntensity[2],
Standard_False, Standard_False)))
if (anIntensity[2] < -aConf || anIntensity[2] > 1.+aConf) {
aStatus = VrmlData_IrrelevantNumber;
break;
}
} else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "diffuseColor")) {
if (OK(aStatus, Scene().ReadXYZ (theBuffer, aColor[0],
Standard_False, Standard_False)))
if (aColor[0].X() < -aConf || aColor[0].X() > 1.+aConf ||
aColor[0].Y() < -aConf || aColor[0].Y() > 1.+aConf ||
aColor[0].Z() < -aConf || aColor[0].Z() > 1.+aConf)
{
aStatus = VrmlData_IrrelevantNumber;
break;
}
} else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "emissiveColor")) {
if (OK(aStatus, Scene().ReadXYZ (theBuffer, aColor[1],
Standard_False, Standard_False)))
if (aColor[1].X() < -aConf || aColor[1].X() > 1.+aConf ||
aColor[1].Y() < -aConf || aColor[1].Y() > 1.+aConf ||
aColor[1].Z() < -aConf || aColor[1].Z() > 1.+aConf)
{
aStatus = VrmlData_IrrelevantNumber;
break;
}
} else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "specularColor")) {
if (OK(aStatus, Scene().ReadXYZ (theBuffer, aColor[2],
Standard_False, Standard_False)))
if (aColor[2].X() < -aConf || aColor[2].X() > 1.+aConf ||
aColor[2].Y() < -aConf || aColor[2].Y() > 1.+aConf ||
aColor[2].Z() < -aConf || aColor[2].Z() > 1.+aConf)
{
aStatus = VrmlData_IrrelevantNumber;
break;
}
} else
break;
if (!OK(aStatus))
break;
}
// Read the terminating (closing) brace
if (OK(aStatus))
aStatus = readBrace (theBuffer);
// Store the values in the Material node instance
if (OK(aStatus)) {
myAmbientIntensity = anIntensity[0];
myShininess = anIntensity[1];
myTransparency = anIntensity[2];
myDiffuseColor.SetValues (aColor[0].X(), aColor[0].Y(), aColor[0].Z(),
Quantity_TOC_RGB);
myEmissiveColor.SetValues (aColor[1].X(), aColor[1].Y(), aColor[1].Z(),
Quantity_TOC_RGB);
mySpecularColor.SetValues (aColor[2].X(), aColor[2].Y(), aColor[2].Z(),
Quantity_TOC_RGB);
}
return aStatus;
}
//=======================================================================
//function : VrmlData_Material::Write
//purpose :
//=======================================================================
VrmlData_ErrorStatus VrmlData_Material::Write (const char * thePrefix) const
{
VrmlData_ErrorStatus aStatus = VrmlData_StatusOK;
const VrmlData_Scene& aScene = Scene();
static char header[] = "Material {";
if (aScene.IsDummyWrite() == Standard_False &&
OK (aStatus, aScene.WriteLine (thePrefix, header, GlobalIndent())))
{
char buf[128];
Standard_Real val[3];
Quantity_TypeOfColor bidType (Quantity_TOC_RGB);
const Standard_Real aConf (0.001 * Precision::Confusion());
if (OK(aStatus) && fabs(myAmbientIntensity - 0.2) > aConf) {
sprintf (buf, "%.6g", myAmbientIntensity);
aStatus = aScene.WriteLine ("ambientIntensity ", buf);
}
if (OK(aStatus)) {
myDiffuseColor.Values (val[0], val[1], val[2], bidType);
if ((val[0] - 0.8) * (val[0] - 0.8) +
(val[1] - 0.8) * (val[1] - 0.8) +
(val[2] - 0.8) * (val[2] - 0.8) > 1e-7)
{
sprintf (buf, "%.6g %.6g %.6g", val[0], val[1], val[2]);
aStatus = aScene.WriteLine ("diffuseColor ", buf);
}
}
if (OK(aStatus)) {
myEmissiveColor.Values (val[0], val[1], val[2], bidType);
if (val[0] * val[0] + val[1] * val[1] + val[2] * val[2] > 1e-7) {
sprintf (buf, "%.6g %.6g %.6g", val[0], val[1], val[2]);
aStatus = aScene.WriteLine ("emissiveColor ", buf);
}
}
if (OK(aStatus) && fabs(myShininess - 0.2) > aConf) {
sprintf (buf, "%.6g", myShininess);
aStatus = aScene.WriteLine ("shininess ", buf);
}
if (OK(aStatus)) {
mySpecularColor.Values (val[0], val[1], val[2], bidType);
if (val[0] * val[0] + val[1] * val[1] + val[2] * val[2] > 1e-7) {
sprintf (buf, "%.6g %.6g %.6g", val[0], val[1], val[2]);
aStatus = aScene.WriteLine ("specularColor ", buf);
}
}
if (OK(aStatus) && myTransparency > aConf) {
sprintf (buf, "%.6g", myTransparency);
aStatus = aScene.WriteLine ("transparency ", buf);
}
aStatus = WriteClosing();
}
return aStatus;
}
//=======================================================================
//function : IsDefault
//purpose :
//=======================================================================
Standard_Boolean VrmlData_Material::IsDefault () const
{
const Standard_Real aConf (0.001 * Precision::Confusion());
Standard_Boolean aResult (Standard_False);
if (fabs(myAmbientIntensity - 0.2) < aConf &&
fabs(myShininess - 0.2) < aConf &&
myTransparency < aConf)
{
Standard_Real val[3][3];
Quantity_TypeOfColor bidType (Quantity_TOC_RGB);
myDiffuseColor.Values (val[0][0], val[0][1], val[0][2], bidType);
myEmissiveColor.Values (val[1][0], val[1][1], val[1][2], bidType);
mySpecularColor.Values (val[2][0], val[2][1], val[2][2], bidType);
aResult = (((val[0][0] - 0.8)*(val[0][0] - 0.8) +
(val[0][1] - 0.8)*(val[0][1] - 0.8) +
(val[0][2] - 0.8)*(val[0][2] - 0.8) < 1e-7) &&
(val[1][0] * val[1][0] +
val[1][1] * val[1][0] +
val[1][2] * val[1][0] < 1e-7) &&
(val[2][0] * val[2][0] +
val[2][1] * val[2][0] +
val[2][2] * val[2][0] < 1e-7));
}
return aResult;
}
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