1
I'm a newcomer to C#. I'm working on a project that created multi-tiff image from single tiff images. The encoder that is return has an extra value for each property.
2
3
System.Object: {System.Drawing.Imaging.ImageCodecInfo}
4clsid: {System.Guid}
5Clsid: {System.Guid}
6codecName: "Built-in TIFF Codec"
7CodecName: "Built-in TIFF Codec"
8DllName: null
9dllName: null
10filenameExtension: "*.TIF;*.TIFF"
11FilenameExtension: "*.TIF;*.TIFF"
12flags: 65543
13Flags: 65543
14FormatDescription: "TIFF"
15formatDescription: "TIFF"
16FormatID: {System.Guid}
17formatID: {System.Guid}
18mimeType: "image/tiff"
19MimeType: "image/tiff"
20SignatureMasks: {Length=2}
21signatureMasks: {Length=2}
22SignaturePatterns: {Length=2}
23signaturePatterns: {Length=2}
24Version: 1
25version: 1
26
27Please review my code and let me know what I can do to eliminate the repeating value. Thank you in advance for your help.
28
29I'm using the below code to accomplish my goals:
30
31using System;
32using System.Drawing;
33using System.Drawing.Imaging;
34using System.IO;
35
36namespace FileNetWeb_C
37{
38
///
39
///
40
public class CImage
41{
42string strRetVal;
43public string ProcessImages(string filename, int NumImages, int nStartPage)
44{
45//return value, either error description or the multi-tiff filename
46try
47{
48//file info variable
49string strFileToSave = filename.Substring(0, filename.Length -4);
50// Reverse a string by converting the String to a char array // and then use the Array.Reverse method to reverse it and then // convert it back to string: // char [] strArray = strFileToSave.ToCharArray();
51strRetVal = ReverseString(strFileToSave);
52
53// get the name of the file to save
54strFileToSave = string.Concat(strRetVal, nStartPage, ".TIF");
55
56//multi tiff image
57System.Drawing.Image imgMulti;
58imgMulti = System.Drawing.Image.FromFile(filename);
59//single tiff image to be added to multi tiff image
60System.Drawing.Image imgToAdd;
61//encoder parameters for creating the multi-tiff image
62
63System.Drawing.Imaging.EncoderParameters encParamsCompress;
64encParamsCompress = new System.Drawing.Imaging.EncoderParameters(1);
65System.Drawing.Imaging.EncoderParameters encParamsMulti;
66encParamsMulti = new System.Drawing.Imaging.EncoderParameters(2);
67
68EncoderParameters encParamsAddFrame = new EncoderParameters(1);
69EncoderParameters encParamsCloseFrame = new EncoderParameters(1);
70//encoder objects
71Encoder encCompress = new Encoder(Encoder.Compression.Guid);
72Encoder encSave = new Encoder(Encoder.SaveFlag.Guid);
73//variable for name of file to save multi-tiff image
74// single tiff image name
75string strImgFileName = filename;
76
77strRetVal = ReverseString(strFileToSave);
78//get the name of the file to save
79strFileToSave = string.Concat(strRetVal, nStartPage, "multi.TIF");
80
81//set encoder parameter parameters
82//C# doesn't convert to byte. encParamsCompress.Param[0] = new EncoderParameter(encCompress, Convert.ToByte(EncoderValue.CompressionCCITT4));
83encParamsMulti.Param[0] = new EncoderParameter(encCompress, Convert.ToByte(EncoderValue.CompressionCCITT4));
84encParamsMulti.Param[1] = new EncoderParameter(encSave, Convert.ToByte(EncoderValue.MultiFrame));
85encParamsAddFrame.Param[0] = new EncoderParameter(encSave, Convert.ToByte(EncoderValue.FrameDimensionPage));
86encParamsCloseFrame.Param[0] = new EncoderParameter(encSave, Convert.ToByte(EncoderValue.Flush));
87
88//save the multi-tiff image
89imgMulti.Save(strFileToSave, GetCodecInfo("image/tiff"), encParamsMulti);
90for (int iIndex = 2; iIndex <= NumImages; iIndex++)
91{
92
93strRetVal = ReverseString(strFileToSave);
94//get the name of the file to save
95strFileToSave = string.Concat(strRetVal, iIndex.ToString(), ".TIF");
96//get next image
97FileInfo fi = new FileInfo(strImgFileName);
98//load the image
99imgToAdd = System.Drawing.Image.FromFile(strImgFileName);
100//add the image
101imgMulti.SaveAdd(imgToAdd, encParamsAddFrame);
102
103}
104//close the frame
105imgMulti.SaveAdd(encParamsCloseFrame);
106imgMulti.Dispose();
107
108strRetVal = strFileToSave;
109
110}
111catch (Exception ex)
112{
113
114//log the error and return error message
115
116strRetVal = ex.Message;
117}
118finally
119{
120}
121
122//return the filename
123return strRetVal;
124
125}
126
127private static ImageCodecInfo GetCodecInfo(String mimeType)
128{
129int j;
130ImageCodecInfo[] encoders;
131encoders = ImageCodecInfo.GetImageEncoders();
132for(j = 0; j < encoders.Length; ++j)
133{
134if(encoders[j].MimeType == mimeType)
135return encoders[j];
136} return null;
137}
138
139public string ReverseString(string sFile)
140{
141char [] strArray = sFile.ToCharArray();
142Array.Reverse(strArray); string strReverseFileName = new string(strArray); int iLengthToSubtract = strReverseFileName.IndexOf("p");
143string sReverse = strReverseFileName.Substring(iLengthToSubtract,(strReverseFileName.Length - iLengthToSubtract));
144strArray = sReverse.ToCharArray();
145Array.Reverse(strArray);
146sReverse = new string(strArray);
147return sReverse;
148}
149}
150
}
I'm a newcomer to C#. I'm working on a project that created multi-tiff image from single tiff images. The encoder that is return has an extra value for each property. 2
3
System.Object: {System.Drawing.Imaging.ImageCodecInfo} 
System.Object: 
4
clsid: {System.Guid} 5
Clsid: {System.Guid} 6
codecName: "Built-in TIFF Codec" 7
CodecName: "Built-in TIFF Codec" 8
DllName: null 9
dllName: null 10
filenameExtension: "*.TIF;*.TIFF" 11
FilenameExtension: "*.TIF;*.TIFF" 12
flags: 65543 13
Flags: 65543 14
FormatDescription: "TIFF" 15
formatDescription: "TIFF" 16
FormatID: {System.Guid} 17
formatID: {System.Guid} 18
mimeType: "image/tiff" 19
MimeType: "image/tiff" 20
SignatureMasks: {Length=2} 21
signatureMasks: {Length=2} 22
SignaturePatterns: {Length=2} 23
signaturePatterns: {Length=2} 24
Version: 1 25
version: 1 26
27
Please review my code and let me know what I can do to eliminate the repeating value. Thank you in advance for your help. 28
29
I'm using the below code to accomplish my goals: 30
31
using System; 32
using System.Drawing; 33
using System.Drawing.Imaging; 34
using System.IO; 35
36
namespace FileNetWeb_C 37
{ 38
/// 
39
/// 40
public class CImage 41
{ 42
string strRetVal; 43
public string ProcessImages(string filename, int NumImages, int nStartPage) 44
{ 45
//return value, either error description or the multi-tiff filename 46
try 47
{ 48
//file info variable 49
string strFileToSave = filename.Substring(0, filename.Length -4); 50
// Reverse a string by converting the String to a char array // and then use the Array.Reverse method to reverse it and then // convert it back to string: // char [] strArray = strFileToSave.ToCharArray(); 51
strRetVal = ReverseString(strFileToSave); 52
53
// get the name of the file to save 54
strFileToSave = string.Concat(strRetVal, nStartPage, ".TIF"); 55
56
//multi tiff image 57
System.Drawing.Image imgMulti; 58
imgMulti = System.Drawing.Image.FromFile(filename); 59
//single tiff image to be added to multi tiff image 60
System.Drawing.Image imgToAdd; 61
//encoder parameters for creating the multi-tiff image 62
63
System.Drawing.Imaging.EncoderParameters encParamsCompress; 64
encParamsCompress = new System.Drawing.Imaging.EncoderParameters(1); 65
System.Drawing.Imaging.EncoderParameters encParamsMulti; 66
encParamsMulti = new System.Drawing.Imaging.EncoderParameters(2); 67
68
EncoderParameters encParamsAddFrame = new EncoderParameters(1); 69
EncoderParameters encParamsCloseFrame = new EncoderParameters(1); 70
//encoder objects 71
Encoder encCompress = new Encoder(Encoder.Compression.Guid); 72
Encoder encSave = new Encoder(Encoder.SaveFlag.Guid); 73
//variable for name of file to save multi-tiff image 74
// single tiff image name 75
string strImgFileName = filename; 76
77
strRetVal = ReverseString(strFileToSave); 78
//get the name of the file to save 79
strFileToSave = string.Concat(strRetVal, nStartPage, "multi.TIF"); 80
81
//set encoder parameter parameters 82
//C# doesn't convert to byte. encParamsCompress.Param[0] = new EncoderParameter(encCompress, Convert.ToByte(EncoderValue.CompressionCCITT4)); 83
encParamsMulti.Param[0] = new EncoderParameter(encCompress, Convert.ToByte(EncoderValue.CompressionCCITT4)); 84
encParamsMulti.Param[1] = new EncoderParameter(encSave, Convert.ToByte(EncoderValue.MultiFrame)); 85
encParamsAddFrame.Param[0] = new EncoderParameter(encSave, Convert.ToByte(EncoderValue.FrameDimensionPage)); 86
encParamsCloseFrame.Param[0] = new EncoderParameter(encSave, Convert.ToByte(EncoderValue.Flush)); 87
88
//save the multi-tiff image 89
imgMulti.Save(strFileToSave, GetCodecInfo("image/tiff"), encParamsMulti); 90
for (int iIndex = 2; iIndex <= NumImages; iIndex++) 91
{ 92
93
strRetVal = ReverseString(strFileToSave); 94
//get the name of the file to save 95
strFileToSave = string.Concat(strRetVal, iIndex.ToString(), ".TIF"); 96
//get next image 97
FileInfo fi = new FileInfo(strImgFileName); 98
//load the image 99
imgToAdd = System.Drawing.Image.FromFile(strImgFileName); 100
//add the image 101
imgMulti.SaveAdd(imgToAdd, encParamsAddFrame); 102
103
} 104
//close the frame 105
imgMulti.SaveAdd(encParamsCloseFrame); 106
imgMulti.Dispose(); 107
108
strRetVal = strFileToSave; 109
110
} 111
catch (Exception ex) 112
{ 113
114
//log the error and return error message 115
116
strRetVal = ex.Message; 117
} 118
finally 119
{ 120
} 121
122
//return the filename 123
return strRetVal; 124
125
} 126
127
private static ImageCodecInfo GetCodecInfo(String mimeType) 128
{ 129
int j; 130
ImageCodecInfo[] encoders; 131
encoders = ImageCodecInfo.GetImageEncoders(); 132
for(j = 0; j < encoders.Length; ++j) 133
{ 134
if(encoders[j].MimeType == mimeType) 135
return encoders[j]; 136
} return null; 137
} 138
139
public string ReverseString(string sFile) 140
{ 141
char [] strArray = sFile.ToCharArray(); 142
Array.Reverse(strArray); string strReverseFileName = new string(strArray); int iLengthToSubtract = strReverseFileName.IndexOf("p"); 143
string sReverse = strReverseFileName.Substring(iLengthToSubtract,(strReverseFileName.Length - iLengthToSubtract)); 144
strArray = sReverse.ToCharArray(); 145
Array.Reverse(strArray); 146
sReverse = new string(strArray); 147
return sReverse; 148
} 149
} 150
} 
浙公网安备 33010602011771号