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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#include "Wm5GraphicsPCH.h"
#include "Wm5BSplineSurfacePatch.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, SurfacePatch, BSplineSurfacePatch);
WM5_IMPLEMENT_STREAM(BSplineSurfacePatch);
WM5_IMPLEMENT_FACTORY(BSplineSurfacePatch);
WM5_IMPLEMENT_DEFAULT_NAMES(SurfacePatch, BSplineSurfacePatch);
//----------------------------------------------------------------------------
BSplineSurfacePatch::BSplineSurfacePatch (int numUCtrlPoints,
int numVCtrlPoints, Vector3f** ctrlPoints, int uDegree, int vDegree,
bool uLoop, bool vLoop, bool uOpen, bool vOpen)
:
SurfacePatch(0.0f, 1.0f, 0.0f, 1.0f, true),
mConstructor(1)
{
mPatch = new0 BSplineRectanglef(numUCtrlPoints, numVCtrlPoints,
ctrlPoints, uDegree, vDegree, uLoop, vLoop, uOpen, vOpen);
}
//----------------------------------------------------------------------------
BSplineSurfacePatch::BSplineSurfacePatch (int numUCtrlPoints,
int numVCtrlPoints, Vector3f** ctrlPoints, int uDegree, int vDegree,
bool uLoop, bool vLoop, bool uOpen, float* vKnots)
:
SurfacePatch(0.0f, 1.0f, 0.0f, 1.0f, true),
mConstructor(2)
{
mPatch = new0 BSplineRectanglef(numUCtrlPoints, numVCtrlPoints,
ctrlPoints, uDegree, vDegree, uLoop, vLoop, uOpen, vKnots);
}
//----------------------------------------------------------------------------
BSplineSurfacePatch::BSplineSurfacePatch (int numUCtrlPoints,
int numVCtrlPoints, Vector3f** ctrlPoints, int uDegree, int vDegree,
bool uLoop, bool vLoop, float* uKnots, bool vOpen)
:
SurfacePatch(0.0f, 1.0f, 0.0f, 1.0f, true),
mConstructor(3)
{
mPatch = new0 BSplineRectanglef(numUCtrlPoints, numVCtrlPoints,
ctrlPoints, uDegree, vDegree, uLoop, vLoop, uKnots, vOpen);
}
//----------------------------------------------------------------------------
BSplineSurfacePatch::BSplineSurfacePatch (int numUCtrlPoints,
int numVCtrlPoints, Vector3f** ctrlPoints, int uDegree, int vDegree,
bool uLoop, bool vLoop, float* uKnots, float* vKnots)
:
SurfacePatch(0.0f, 1.0f, 0.0f, 1.0f, true),
mConstructor(4)
{
mPatch = new0 BSplineRectanglef(numUCtrlPoints, numVCtrlPoints,
ctrlPoints, uDegree, vDegree, uLoop, vLoop, uKnots, vKnots);
}
//----------------------------------------------------------------------------
BSplineSurfacePatch::~BSplineSurfacePatch ()
{
delete1(mPatch);
}
//----------------------------------------------------------------------------
APoint BSplineSurfacePatch::P (float u, float v) const
{
Vector3f p = mPatch->P(u, v);
return APoint(p[0], p[1], p[2]);
}
//----------------------------------------------------------------------------
AVector BSplineSurfacePatch::PU (float u, float v) const
{
Vector3f pu = mPatch->PU(u, v);
return AVector(pu[0], pu[1], pu[2]);
}
//----------------------------------------------------------------------------
AVector BSplineSurfacePatch::PV (float u, float v) const
{
Vector3f pv = mPatch->PV(u, v);
return AVector(pv[0], pv[1], pv[2]);
}
//----------------------------------------------------------------------------
AVector BSplineSurfacePatch::PUU (float u, float v) const
{
Vector3f puu = mPatch->PUU(u, v);
return AVector(puu[0], puu[1], puu[2]);
}
//----------------------------------------------------------------------------
AVector BSplineSurfacePatch::PUV (float u, float v) const
{
Vector3f puv = mPatch->PUV(u, v);
return AVector(puv[0], puv[1], puv[2]);
}
//----------------------------------------------------------------------------
AVector BSplineSurfacePatch::PVV (float u, float v) const
{
Vector3f pvv = mPatch->PVV(u, v);
return AVector(pvv[0], pvv[1], pvv[2]);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Streaming support.
//----------------------------------------------------------------------------
BSplineSurfacePatch::BSplineSurfacePatch (LoadConstructor value)
:
SurfacePatch(value),
mConstructor(0),
mPatch(0)
{
}
//----------------------------------------------------------------------------
void BSplineSurfacePatch::Load (InStream& source)
{
WM5_BEGIN_DEBUG_STREAM_LOAD(source);
SurfacePatch::Load(source);
source.Read(mConstructor);
int numCtrlPoints0, numCtrlPoints1;
source.Read(numCtrlPoints0);
source.Read(numCtrlPoints1);
Vector3f** ctrl = new2<Vector3f>(numCtrlPoints1, numCtrlPoints0);
int i0, i1;
for (i0 = 0; i0 < numCtrlPoints0; ++i0)
{
for (i1 = 0; i1 < numCtrlPoints1; ++i1)
{
source.ReadAggregate(ctrl[i0][i1]);
}
}
int degree0, degree1;
source.Read(degree0);
source.Read(degree1);
bool loop0, loop1;
source.ReadBool(loop0);
source.ReadBool(loop1);
bool open0, open1;
float* knot0;
float* knot1;
int numKnots0, numKnots1;
switch (mConstructor)
{
case 1:
source.ReadBool(open0);
source.ReadBool(open1);
mPatch = new0 BSplineRectanglef(numCtrlPoints0, numCtrlPoints1,
ctrl, degree0, degree1, loop0, loop1, open0, open1);
break;
case 2:
source.ReadBool(open0);
numKnots1 = numCtrlPoints1 - degree1 - 1;
source.ReadVR(numKnots1, knot1);
mPatch = new0 BSplineRectanglef(numCtrlPoints0, numCtrlPoints1,
ctrl, degree0, degree1, loop0, loop1, open0, knot1);
delete1(knot1);
break;
case 3:
numKnots0 = numCtrlPoints0 - degree0 - 1;
source.ReadVR(numKnots0, knot0);
source.ReadBool(open1);
mPatch = new0 BSplineRectanglef(numCtrlPoints0, numCtrlPoints1,
ctrl, degree0, degree1, loop0, loop1, knot0, open1);
delete1(knot0);
break;
case 4:
numKnots0 = numCtrlPoints0 - degree0 - 1;
source.ReadVR(numKnots0, knot0);
numKnots1 = numCtrlPoints1 - degree1 - 1;
source.ReadVR(numKnots1, knot1);
mPatch = new0 BSplineRectanglef(numCtrlPoints0, numCtrlPoints1,
ctrl, degree0, degree1, loop0, loop1, knot0, knot1);
delete1(knot0);
delete1(knot1);
break;
default:
assertion(false, "Unexpected condition\n");
}
WM5_END_DEBUG_STREAM_LOAD(BSplineSurfacePatch, source);
}
//----------------------------------------------------------------------------
void BSplineSurfacePatch::Link (InStream& source)
{
SurfacePatch::Link(source);
}
//----------------------------------------------------------------------------
void BSplineSurfacePatch::PostLink ()
{
SurfacePatch::PostLink();
}
//----------------------------------------------------------------------------
bool BSplineSurfacePatch::Register (OutStream& target) const
{
return SurfacePatch::Register(target);
}
//----------------------------------------------------------------------------
void BSplineSurfacePatch::Save (OutStream& target) const
{
WM5_BEGIN_DEBUG_STREAM_SAVE(target);
SurfacePatch::Save(target);
target.Write(mConstructor);
int numCtrlPoints0 = mPatch->GetNumCtrlPoints(0);
int numCtrlPoints1 = mPatch->GetNumCtrlPoints(1);
target.Write(numCtrlPoints0);
target.Write(numCtrlPoints1);
int i0, i1;
for (i0 = 0; i0 < numCtrlPoints0; ++i0)
{
for (i1 = 0; i1 < numCtrlPoints1; ++i1)
{
target.WriteAggregate(mPatch->GetControlPoint(i0, i1));
}
}
int degree0 = mPatch->GetDegree(0);
int degree1 = mPatch->GetDegree(1);
target.Write(degree0);
target.Write(degree1);
bool loop0 = mPatch->IsLoop(0);
bool loop1 = mPatch->IsLoop(1);
target.WriteBool(loop0);
target.WriteBool(loop1);
bool open0, open1;
int numKnots0, numKnots1;
switch (mConstructor)
{
case 1:
open0 = mPatch->IsOpen(0);
target.WriteBool(open0);
open1 = mPatch->IsOpen(1);
target.WriteBool(open1);
break;
case 2:
open0 = mPatch->IsOpen(0);
target.WriteBool(open0);
numKnots1 = numCtrlPoints1 - degree1 - 1;
for (i1 = 0; i1 < numKnots1; ++i1)
{
target.Write(mPatch->GetKnot(1, i1));
}
break;
case 3:
numKnots0 = numCtrlPoints0 - degree0 - 1;
for (i0 = 0; i0 < numKnots0; ++i0)
{
target.Write(mPatch->GetKnot(0, i0));
}
open1 = mPatch->IsOpen(1);
target.WriteBool(open1);
break;
case 4:
numKnots0 = numCtrlPoints0 - degree0 - 1;
for (i0 = 0; i0 < numKnots0; ++i0)
{
target.Write(mPatch->GetKnot(0, i0));
}
numKnots1 = numCtrlPoints1 - degree1 - 1;
for (i1 = 0; i1 < numKnots1; ++i1)
{
target.Write(mPatch->GetKnot(1, i1));
}
break;
default:
assertion(false, "Unexpected condition\n");
}
WM5_END_DEBUG_STREAM_SAVE(SurfacePatch, target);
}
//----------------------------------------------------------------------------
int BSplineSurfacePatch::GetStreamingSize () const
{
int size = SurfacePatch::GetStreamingSize();
size += sizeof(mConstructor);
int numCtrlPoints0 = mPatch->GetNumCtrlPoints(0);
int numCtrlPoints1 = mPatch->GetNumCtrlPoints(1);
int degree0 = mPatch->GetDegree(0);
int degree1 = mPatch->GetDegree(1);
size += sizeof(numCtrlPoints0);
size += sizeof(numCtrlPoints1);
size += sizeof(degree0);
size += sizeof(degree1);
size += 2*WM5_BOOLSIZE(bool); // loop0, loop1
switch (mConstructor)
{
case 1:
size += 2*WM5_BOOLSIZE(bool); // open0, open1
break;
case 2:
size += WM5_BOOLSIZE(bool); // open0
size += (numCtrlPoints1 - degree1 - 1)*sizeof(float); // knot1[]
break;
case 3:
size += (numCtrlPoints0 - degree0 - 1)*sizeof(float); // knot0[]
size += WM5_BOOLSIZE(bool); // open1
break;
case 4:
size += (numCtrlPoints0 - degree0 - 1)*sizeof(float); // knot0[]
size += (numCtrlPoints1 - degree1 - 1)*sizeof(float); // knot1[]
break;
default:
assertion(false, "Unexpected condition\n");
}
return size;
}
//----------------------------------------------------------------------------
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