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
|
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkPNGWriter
* @brief Writes PNG files.
*
* vtkPNGWriter writes PNG files. It supports 1 to 4 component data of
* unsigned char or unsigned short
*
* @sa
* vtkPNGReader
*/
#ifndef vtkPNGWriter_h
#define vtkPNGWriter_h
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageWriter.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkImageData;
class vtkUnsignedCharArray;
class VTKIOIMAGE_EXPORT vtkPNGWriter : public vtkImageWriter
{
public:
static vtkPNGWriter* New();
vtkTypeMacro(vtkPNGWriter, vtkImageWriter);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* The main interface which triggers the writer to start.
*/
void Write() override;
///@{
/**
* Set/Get the zlib compression level.
* The range is 0-9, with 0 meaning no compression
* corresponding to the largest file size, and 9 meaning
* best compression, corresponding to the smallest file size.
* The default is 5.
*/
vtkSetClampMacro(CompressionLevel, int, 0, 9);
vtkGetMacro(CompressionLevel, int);
///@}
///@{
/**
* Write the image to memory (a vtkUnsignedCharArray)
*/
vtkSetMacro(WriteToMemory, vtkTypeUBool);
vtkGetMacro(WriteToMemory, vtkTypeUBool);
vtkBooleanMacro(WriteToMemory, vtkTypeUBool);
///@}
///@{
/**
* When writing to memory this is the result, it will be nullptr until the
* data is written the first time
*/
virtual void SetResult(vtkUnsignedCharArray*);
vtkGetObjectMacro(Result, vtkUnsignedCharArray);
///@}
/**
* Adds a text chunk to the PNG. More than one text chunk with the same key is permissible.
* There are a number of predefined keywords that should be used
* when appropriate. See
* http://www.libpng.org/pub/png/spec/1.2/PNG-Chunks.html
* for more information.
*/
void AddText(const char* key, const char* value);
/**
* Clear out any key/value pairs added through the AddText() member function.
*/
void ClearText();
///@{
/**
* Standard keys
*/
static const char* TITLE;
static const char* AUTHOR;
static const char* DESCRIPTION;
static const char* COPYRIGHT;
static const char* CREATION_TIME;
static const char* SOFTWARE;
static const char* DISCLAIMER;
static const char* WARNING;
static const char* SOURCE;
static const char* COMMENT;
///@}
protected:
vtkPNGWriter();
~vtkPNGWriter() override;
void WriteSlice(vtkImageData* data, int* uExtent);
int CompressionLevel;
vtkUnsignedCharArray* Result;
FILE* TempFP;
class vtkInternals;
vtkInternals* Internals;
private:
vtkPNGWriter(const vtkPNGWriter&) = delete;
void operator=(const vtkPNGWriter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
|
