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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPointsPainter.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkPointsPainter.h"
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkObjectFactory.h"
#include "vtkPainterDeviceAdapter.h"
#include "vtkPoints.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkUnsignedCharArray.h"
vtkStandardNewMacro(vtkPointsPainter);
//-----------------------------------------------------------------------------
vtkPointsPainter::vtkPointsPainter()
{
this->SetSupportedPrimitive(vtkPainter::VERTS);
}
//-----------------------------------------------------------------------------
vtkPointsPainter::~vtkPointsPainter()
{
}
//-----------------------------------------------------------------------------
#define vtkDrawPointsMacro(glVertFuncs, glInitFuncs) \
{ \
vtkIdType nPts; \
unsigned short count = 0; \
glInitFuncs \
device->BeginPrimitive(VTK_POLY_VERTEX);\
while (ptIds < endPtIds) \
{ \
nPts = *ptIds; \
++ptIds; \
while (nPts > 0) \
{ \
glVertFuncs \
++ptIds; \
--nPts; \
} \
if (++count == 10000) \
{ \
cellNum += 10000; \
count = 0; \
this->UpdateProgress(static_cast<double>(cellNum)/totalCells); \
if (ren->GetRenderWindow()->CheckAbortStatus()) \
{ \
break; \
} \
} \
} \
cellNum += count; \
device->EndPrimitive();\
}
//-----------------------------------------------------------------------------
int vtkPointsPainter::RenderPrimitive(unsigned long idx, vtkDataArray* n,
vtkUnsignedCharArray* c, vtkDataArray* vtkNotUsed(t), vtkRenderer* ren)
{
vtkPoints* p = this->GetInputAsPolyData()->GetPoints();
vtkCellArray* ca = this->GetInputAsPolyData()->GetVerts();
vtkIdType cellNum = 0;
vtkIdType totalCells = ca->GetNumberOfCells();
vtkPainterDeviceAdapter* device = ren->GetRenderWindow()->
GetPainterDeviceAdapter();
void *points = p->GetVoidPointer(0);
void *normals = 0;
unsigned char *colors = 0;
if (ca->GetNumberOfCells() == 0)
{
return 1;
}
if (n)
{
normals = n->GetVoidPointer(0);
}
if (c)
{
colors = c->GetPointer(0);
}
vtkIdType *ptIds = ca->GetPointer();
vtkIdType *endPtIds = ptIds + ca->GetNumberOfConnectivityEntries();
int ptype = p->GetDataType();
int ntype = (n)? n->GetDataType() : 0;
// draw all the elements, use fast path if available
// since this painter does not deal with field colors specially,
// we just ignore the flag.
idx &= (~VTK_PDM_FIELD_COLORS);
// Also ignore edge flags.
idx &= (~VTK_PDM_EDGEFLAGS);
switch (idx)
{
case 0://no cell/point attribs are present.
vtkDrawPointsMacro(
device->SendAttribute(vtkPointData::NUM_ATTRIBUTES, 3,
ptype, points, 3**ptIds);,;);
break;
case VTK_PDM_NORMALS:
vtkDrawPointsMacro(
device->SendAttribute(vtkPointData::NORMALS, 3, ntype,
normals, 3**ptIds);
device->SendAttribute(vtkPointData::NUM_ATTRIBUTES, 3,
ptype, points, 3**ptIds);,;);
break;
case VTK_PDM_COLORS:
vtkDrawPointsMacro(
device->SendAttribute(vtkPointData::SCALARS, 4,
VTK_UNSIGNED_CHAR, colors + 4**ptIds);
device->SendAttribute(vtkPointData::NUM_ATTRIBUTES, 3,
ptype, points, 3**ptIds);,;);
break;
case VTK_PDM_COLORS | VTK_PDM_OPAQUE_COLORS:
vtkDrawPointsMacro(
device->SendAttribute(vtkPointData::SCALARS, 3,
VTK_UNSIGNED_CHAR, colors + 4**ptIds);
device->SendAttribute(vtkPointData::NUM_ATTRIBUTES, 3,
ptype, points, 3**ptIds);,;);
break;
case VTK_PDM_NORMALS | VTK_PDM_COLORS:
vtkDrawPointsMacro(
device->SendAttribute(vtkPointData::NORMALS, 3, ntype,
normals, 3**ptIds);
device->SendAttribute(vtkPointData::SCALARS, 4,
VTK_UNSIGNED_CHAR, colors + 4**ptIds);
device->SendAttribute(vtkPointData::NUM_ATTRIBUTES, 3,
ptype, points, 3**ptIds);,;);
break;
case VTK_PDM_NORMALS | VTK_PDM_COLORS | VTK_PDM_OPAQUE_COLORS:
vtkDrawPointsMacro(
device->SendAttribute(vtkPointData::NORMALS, 3, ntype,
normals, 3**ptIds);
device->SendAttribute(vtkPointData::SCALARS, 3,
VTK_UNSIGNED_CHAR, colors + 4**ptIds);
device->SendAttribute(vtkPointData::NUM_ATTRIBUTES, 3,
ptype, points, 3**ptIds);,;);
break;
default:
return 0; // let the delegate painter handle it.
}
return 1;
}
//-----------------------------------------------------------------------------
void vtkPointsPainter::PrintSelf(ostream& os ,vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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