1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkWriter.cxx,v $
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 "vtkWriter.h"
#include "vtkCommand.h"
#include "vtkDataObject.h"
#include "vtkDemandDrivenPipeline.h"
#include "vtkErrorCode.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
vtkCxxRevisionMacro(vtkWriter, "$Revision: 1.43 $");
// Construct with no start and end write methods or arguments.
vtkWriter::vtkWriter()
{
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(0);
}
vtkWriter::~vtkWriter()
{
}
void vtkWriter::SetInput(vtkDataObject *input)
{
this->SetInput(0, input);
}
void vtkWriter::SetInput(int index, vtkDataObject *input)
{
if (input)
{
this->SetInputConnection(index, input->GetProducerPort());
}
else
{
// Setting a NULL input remove the connection.
this->SetInputConnection(index, 0);
}
}
vtkDataObject *vtkWriter::GetInput()
{
return this->GetInput(0);
}
vtkDataObject *vtkWriter::GetInput(int port)
{
if (this->GetNumberOfInputConnections(port) < 1)
{
return NULL;
}
return this->GetExecutive()->GetInputData(port, 0);
}
// Write data to output. Method executes subclasses WriteData() method, as
// well as StartMethod() and EndMethod() methods.
int vtkWriter::Write()
{
// Make sure we have input.
if (this->GetNumberOfInputConnections(0) < 1)
{
vtkErrorMacro("No input provided!");
return 0;
}
// always write even if the data hasn't changed
this->Modified();
this->UpdateWholeExtent();
return 1;
}
int vtkWriter::ProcessRequest(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// generate the data
if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA()))
{
return this->RequestData(request, inputVector, outputVector);
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
int vtkWriter::RequestData(
vtkInformation *,
vtkInformationVector **,
vtkInformationVector *)
{
this->SetErrorCode(vtkErrorCode::NoError);
vtkDataObject *input = this->GetInput();
int idx;
// make sure input is available
if ( !input )
{
vtkErrorMacro(<< "No input!");
return 0;
}
for (idx = 0; idx < this->GetNumberOfInputPorts(); ++idx)
{
if (this->GetInput(idx) != NULL)
{
this->GetInput(idx)->Update();
}
}
unsigned long lastUpdateTime = this->GetInput(0)->GetUpdateTime();
for (idx = 1; idx < this->GetNumberOfInputPorts(); ++idx)
{
unsigned long updateTime = this->GetInput(idx)->GetUpdateTime();
if ( updateTime > lastUpdateTime )
{
lastUpdateTime = updateTime;
}
}
if (lastUpdateTime < this->WriteTime && this->GetMTime() < this->WriteTime)
{
// we are up to date
return 1;
}
this->InvokeEvent(vtkCommand::StartEvent,NULL);
this->WriteData();
this->InvokeEvent(vtkCommand::EndEvent,NULL);
// Release any inputs if marked for release
for (idx = 0; idx < this->GetNumberOfInputPorts(); ++idx)
{
if (this->GetInput(idx) && this->GetInput(idx)->ShouldIReleaseData())
{
this->GetInput(idx)->ReleaseData();
}
}
this->WriteTime.Modified();
return 1;
}
void vtkWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
void vtkWriter::EncodeArrayName(char* resname, const char* name)
{
if ( !name || !resname )
{
return;
}
int cc = 0;
ostrstream str;
char buffer[10];
while( name[cc] )
{
// Encode spaces and %'s (and most non-printable ascii characters)
// The reader does not support spaces in array names.
if ( name[cc] < 33 || name[cc] > 126 ||
name[cc] == '\"' || name[cc] == '%' )
{
sprintf(buffer, "%2X", name[cc]);
str << "%%" << buffer; // Two % because it goes through printf format
}
else
{
str << name[cc];
}
cc++;
}
str << ends;
strcpy(resname, str.str());
str.rdbuf()->freeze(0);
}
|
