c# 图像处理
在写dnf资源提取的时候，在网上找到的很好图像处理的代码。。。。。
代码
1 private unsafe Bitmap FmtArgb1555(string DatName, Bitmap DatBitmap)
2 {
3 Bitmap bitmap;
4 using (FileStream stream = new FileStream(DatName, FileMode.Open))
5 {
6 using (BinaryReader reader = new BinaryReader(stream))
7 {
8 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
9 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
10 byte* numPtr = (byte*) bitmapdata.Scan0;
11 int num = DatBitmap.Width * 4;
12 for (int i = 0; i < DatBitmap.Height; i++)
13 {
14 for (int j = 0; j < num; j += 4)
15 {
16 int num4 = reader.ReadUInt16();
17 numPtr[3] = (byte) ((num4 >> 15) * 0xff);
18 numPtr[2] = (byte) ((num4 >> 7) & 0xf8);
19 numPtr[1] = (byte) ((num4 >> 2) & 0xf8);
20 numPtr[0] = (byte) ((num4 << 3) & 0xf8);
21 numPtr += 4;
22 }
23 }
24 DatBitmap.UnlockBits(bitmapdata);
25 bitmap = DatBitmap;
26 }
27 }
28 return bitmap;
29 }
30
31 private unsafe Bitmap FmtArgb4444(string DatName, Bitmap DatBitmap)
32 {
33 Bitmap bitmap;
34 using (FileStream stream = new FileStream(DatName, FileMode.Open))
35 {
36 using (BinaryReader reader = new BinaryReader(stream))
37 {
38 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
39 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
40 byte* numPtr = (byte*) bitmapdata.Scan0;
41 int num = DatBitmap.Width * 4;
42 for (int i = 0; i < DatBitmap.Height; i++)
43 {
44 for (int j = 0; j < num; j += 4)
45 {
46 int num4 = reader.ReadUInt16();
47 numPtr[3] = (byte) ((num4 >> 8) & 240);
48 numPtr[2] = (byte) ((num4 >> 4) & 240);
49 numPtr[1] = (byte) (num4 & 240);
50 numPtr[0] = (byte) ((num4 << 4) & 240);
51 numPtr += 4;
52 }
53 }
54 DatBitmap.UnlockBits(bitmapdata);
55 bitmap = DatBitmap;
56 }
57 }
58 return bitmap;
59 }
60
61 private unsafe Bitmap FmtArgb8888(string DatName, Bitmap DatBitmap)
62 {
63 Bitmap bitmap;
64 using (FileStream stream = new FileStream(DatName, FileMode.Open))
65 {
66 using (BinaryReader reader = new BinaryReader(stream))
67 {
68 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
69 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
70 byte* numPtr = (byte*) bitmapdata.Scan0;
71 int num = DatBitmap.Width * 4;
72 for (int i = 0; i < DatBitmap.Height; i++)
73 {
74 for (int j = 0; j < num; j += 4)
75 {
76 uint num4 = reader.ReadUInt32();
77 numPtr[3] = (byte) (num4 >> 0x18);
78 numPtr[2] = (byte) ((num4 >> 0x10) & 0xff);
79 numPtr[1] = (byte) ((num4 >> 8) & 0xff);
80 numPtr[0] = (byte) (num4 & 0xff);
81 numPtr += 4;
82 }
83 }
84 DatBitmap.UnlockBits(bitmapdata);
85 bitmap = DatBitmap;
86 }
87 }
88 return bitmap;
89 }
90
91 private unsafe Bitmap FmtDxt1(string DatName, Bitmap DatBitmap)
92 {
93 byte[] sourceArray = new byte[] {
94 0x44, 0x44, 0x53, 0x20, 0x7c, 0, 0, 0, 7, 0x10, 8, 0, 0, 4, 0, 0,
95 0, 4, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0,
96 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
97 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0, 0,
99 4, 0, 0, 0, 0x44, 0x58, 0x54, 0x31, 0, 0, 0, 0, 0, 0, 0, 0,
100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10, 0, 0,
101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
102 };
103 sourceArray[13] = (byte) (DatBitmap.Height / 0x100);
104 sourceArray[0x11] = (byte) (DatBitmap.Width / 0x100);
105 byte[] buffer2 = File.ReadAllBytes(DatName);
106 byte[] destinationArray = new byte[sourceArray.Length + buffer2.Length];
107 Array.Copy(sourceArray, 0, destinationArray, 0, sourceArray.Length);
108 Array.Copy(buffer2, 0, destinationArray, sourceArray.Length, buffer2.Length);
109 using (Stream stream = new MemoryStream(destinationArray))
110 {
111 DdsFile file = new DdsFile();
112 file.Load(stream);
113 byte[] pixelData = file.GetPixelData();
114 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
115 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
116 int num = DatBitmap.Width * 4;
117 byte* numPtr = (byte*) bitmapdata.Scan0;
118 for (int i = 0; i < DatBitmap.Height; i++)
119 {
120 for (int j = 0; j < num; j += 4)
121 {
122 int index = (i * num) + j;
123 numPtr[2] = pixelData[index];
124 numPtr[1] = pixelData[index + 1];
125 numPtr[0] = pixelData[index + 2];
126 numPtr[3] = pixelData[index + 3];
127 numPtr += 4;
128 }
129 }
130 DatBitmap.UnlockBits(bitmapdata);
131 return DatBitmap;
132 }
133 }
134
135 private unsafe Bitmap FmtDxt5(string DatName, Bitmap DatBitmap)
136 {
137 byte[] sourceArray = new byte[] {
138 0x44, 0x44, 0x53, 0x20, 0x7c, 0, 0, 0, 7, 0x10, 8, 0, 0, 4, 0, 0,
139 0, 4, 0, 0, 0, 0, 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0,
140 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
141 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
142 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0, 0,
143 4, 0, 0, 0, 0x44, 0x58, 0x54, 0x35, 0, 0, 0, 0, 0, 0, 0, 0,
144 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10, 0, 0,
145 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
146 };
147 sourceArray[13] = (byte) (DatBitmap.Height / 0x100);
148 sourceArray[0x11] = (byte) (DatBitmap.Width / 0x100);
149 byte[] buffer2 = File.ReadAllBytes(DatName);
150 byte[] destinationArray = new byte[sourceArray.Length + buffer2.Length];
151 Array.Copy(sourceArray, 0, destinationArray, 0, sourceArray.Length);
152 Array.Copy(buffer2, 0, destinationArray, sourceArray.Length, buffer2.Length);
153 using (Stream stream = new MemoryStream(destinationArray))
154 {
155 DdsFile file = new DdsFile();
156 file.Load(stream);
157 byte[] pixelData = file.GetPixelData();
158 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
159 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
160 int num = DatBitmap.Width * 4;
161 byte* numPtr = (byte*) bitmapdata.Scan0;
162 for (int i = 0; i < DatBitmap.Height; i++)
163 {
164 for (int j = 0; j < num; j += 4)
165 {
166 int index = (i * num) + j;
167 numPtr[2] = pixelData[index];
168 numPtr[1] = pixelData[index + 1];
169 numPtr[0] = pixelData[index + 2];
170 numPtr[3] = pixelData[index + 3];
171 numPtr += 4;
172 }
173 }
174 DatBitmap.UnlockBits(bitmapdata);
175 return DatBitmap;
176 }
177 }
178
179 private unsafe Bitmap FmtRgb555(string DatName, Bitmap DatBitmap)
180 {
181 Bitmap bitmap;
182 using (FileStream stream = new FileStream(DatName, FileMode.Open))
183 {
184 using (BinaryReader reader = new BinaryReader(stream))
185 {
186 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
187 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
188 byte* numPtr = (byte*) bitmapdata.Scan0;
189 int num = DatBitmap.Width * 4;
190 for (int i = 0; i < DatBitmap.Height; i++)
191 {
192 for (int j = 0; j < num; j += 4)
193 {
194 int num4 = reader.ReadUInt16();
195 numPtr[3] = 0xff;
196 numPtr[2] = (byte) ((num4 >> 7) & 0xf8);
197 numPtr[1] = (byte) ((num4 >> 2) & 0xf8);
198 numPtr[0] = (byte) ((num4 << 3) & 0xf8);
199 numPtr += 4;
200 }
201 }
202 DatBitmap.UnlockBits(bitmapdata);
203 bitmap = DatBitmap;
204 }
205 }
206 return bitmap;
207 }
208
209 private unsafe Bitmap FmtRgb565(string DatName, Bitmap DatBitmap)
210 {
211 Bitmap bitmap;
212 using (FileStream stream = new FileStream(DatName, FileMode.Open))
213 {
214 using (BinaryReader reader = new BinaryReader(stream))
215 {
216 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
217 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
218 byte* numPtr = (byte*) bitmapdata.Scan0;
219 int num = DatBitmap.Width * 4;
220 for (int i = 0; i < DatBitmap.Height; i++)
221 {
222 for (int j = 0; j < num; j += 4)
223 {
224 int num4 = reader.ReadUInt16();
225 numPtr[3] = 0xff;
226 numPtr[2] = (byte) ((num4 >> 8) & 0xf8);
227 numPtr[1] = (byte) ((num4 >> 3) & 0xfc);
228 numPtr[0] = (byte) ((num4 << 3) & 0xf8);
229 numPtr += 4;
230 }
231 }
232 DatBitmap.UnlockBits(bitmapdata);
233 bitmap = DatBitmap;
234 }
235 }
236 return bitmap;
237 }
238
2 {
3 Bitmap bitmap;
4 using (FileStream stream = new FileStream(DatName, FileMode.Open))
5 {
6 using (BinaryReader reader = new BinaryReader(stream))
7 {
8 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
9 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
10 byte* numPtr = (byte*) bitmapdata.Scan0;
11 int num = DatBitmap.Width * 4;
12 for (int i = 0; i < DatBitmap.Height; i++)
13 {
14 for (int j = 0; j < num; j += 4)
15 {
16 int num4 = reader.ReadUInt16();
17 numPtr[3] = (byte) ((num4 >> 15) * 0xff);
18 numPtr[2] = (byte) ((num4 >> 7) & 0xf8);
19 numPtr[1] = (byte) ((num4 >> 2) & 0xf8);
20 numPtr[0] = (byte) ((num4 << 3) & 0xf8);
21 numPtr += 4;
22 }
23 }
24 DatBitmap.UnlockBits(bitmapdata);
25 bitmap = DatBitmap;
26 }
27 }
28 return bitmap;
29 }
30
31 private unsafe Bitmap FmtArgb4444(string DatName, Bitmap DatBitmap)
32 {
33 Bitmap bitmap;
34 using (FileStream stream = new FileStream(DatName, FileMode.Open))
35 {
36 using (BinaryReader reader = new BinaryReader(stream))
37 {
38 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
39 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
40 byte* numPtr = (byte*) bitmapdata.Scan0;
41 int num = DatBitmap.Width * 4;
42 for (int i = 0; i < DatBitmap.Height; i++)
43 {
44 for (int j = 0; j < num; j += 4)
45 {
46 int num4 = reader.ReadUInt16();
47 numPtr[3] = (byte) ((num4 >> 8) & 240);
48 numPtr[2] = (byte) ((num4 >> 4) & 240);
49 numPtr[1] = (byte) (num4 & 240);
50 numPtr[0] = (byte) ((num4 << 4) & 240);
51 numPtr += 4;
52 }
53 }
54 DatBitmap.UnlockBits(bitmapdata);
55 bitmap = DatBitmap;
56 }
57 }
58 return bitmap;
59 }
60
61 private unsafe Bitmap FmtArgb8888(string DatName, Bitmap DatBitmap)
62 {
63 Bitmap bitmap;
64 using (FileStream stream = new FileStream(DatName, FileMode.Open))
65 {
66 using (BinaryReader reader = new BinaryReader(stream))
67 {
68 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
69 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
70 byte* numPtr = (byte*) bitmapdata.Scan0;
71 int num = DatBitmap.Width * 4;
72 for (int i = 0; i < DatBitmap.Height; i++)
73 {
74 for (int j = 0; j < num; j += 4)
75 {
76 uint num4 = reader.ReadUInt32();
77 numPtr[3] = (byte) (num4 >> 0x18);
78 numPtr[2] = (byte) ((num4 >> 0x10) & 0xff);
79 numPtr[1] = (byte) ((num4 >> 8) & 0xff);
80 numPtr[0] = (byte) (num4 & 0xff);
81 numPtr += 4;
82 }
83 }
84 DatBitmap.UnlockBits(bitmapdata);
85 bitmap = DatBitmap;
86 }
87 }
88 return bitmap;
89 }
90
91 private unsafe Bitmap FmtDxt1(string DatName, Bitmap DatBitmap)
92 {
93 byte[] sourceArray = new byte[] {
94 0x44, 0x44, 0x53, 0x20, 0x7c, 0, 0, 0, 7, 0x10, 8, 0, 0, 4, 0, 0,
95 0, 4, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0,
96 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
97 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0, 0,
99 4, 0, 0, 0, 0x44, 0x58, 0x54, 0x31, 0, 0, 0, 0, 0, 0, 0, 0,
100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10, 0, 0,
101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
102 };
103 sourceArray[13] = (byte) (DatBitmap.Height / 0x100);
104 sourceArray[0x11] = (byte) (DatBitmap.Width / 0x100);
105 byte[] buffer2 = File.ReadAllBytes(DatName);
106 byte[] destinationArray = new byte[sourceArray.Length + buffer2.Length];
107 Array.Copy(sourceArray, 0, destinationArray, 0, sourceArray.Length);
108 Array.Copy(buffer2, 0, destinationArray, sourceArray.Length, buffer2.Length);
109 using (Stream stream = new MemoryStream(destinationArray))
110 {
111 DdsFile file = new DdsFile();
112 file.Load(stream);
113 byte[] pixelData = file.GetPixelData();
114 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
115 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
116 int num = DatBitmap.Width * 4;
117 byte* numPtr = (byte*) bitmapdata.Scan0;
118 for (int i = 0; i < DatBitmap.Height; i++)
119 {
120 for (int j = 0; j < num; j += 4)
121 {
122 int index = (i * num) + j;
123 numPtr[2] = pixelData[index];
124 numPtr[1] = pixelData[index + 1];
125 numPtr[0] = pixelData[index + 2];
126 numPtr[3] = pixelData[index + 3];
127 numPtr += 4;
128 }
129 }
130 DatBitmap.UnlockBits(bitmapdata);
131 return DatBitmap;
132 }
133 }
134
135 private unsafe Bitmap FmtDxt5(string DatName, Bitmap DatBitmap)
136 {
137 byte[] sourceArray = new byte[] {
138 0x44, 0x44, 0x53, 0x20, 0x7c, 0, 0, 0, 7, 0x10, 8, 0, 0, 4, 0, 0,
139 0, 4, 0, 0, 0, 0, 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0,
140 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
141 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
142 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x20, 0, 0, 0,
143 4, 0, 0, 0, 0x44, 0x58, 0x54, 0x35, 0, 0, 0, 0, 0, 0, 0, 0,
144 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10, 0, 0,
145 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
146 };
147 sourceArray[13] = (byte) (DatBitmap.Height / 0x100);
148 sourceArray[0x11] = (byte) (DatBitmap.Width / 0x100);
149 byte[] buffer2 = File.ReadAllBytes(DatName);
150 byte[] destinationArray = new byte[sourceArray.Length + buffer2.Length];
151 Array.Copy(sourceArray, 0, destinationArray, 0, sourceArray.Length);
152 Array.Copy(buffer2, 0, destinationArray, sourceArray.Length, buffer2.Length);
153 using (Stream stream = new MemoryStream(destinationArray))
154 {
155 DdsFile file = new DdsFile();
156 file.Load(stream);
157 byte[] pixelData = file.GetPixelData();
158 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
159 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
160 int num = DatBitmap.Width * 4;
161 byte* numPtr = (byte*) bitmapdata.Scan0;
162 for (int i = 0; i < DatBitmap.Height; i++)
163 {
164 for (int j = 0; j < num; j += 4)
165 {
166 int index = (i * num) + j;
167 numPtr[2] = pixelData[index];
168 numPtr[1] = pixelData[index + 1];
169 numPtr[0] = pixelData[index + 2];
170 numPtr[3] = pixelData[index + 3];
171 numPtr += 4;
172 }
173 }
174 DatBitmap.UnlockBits(bitmapdata);
175 return DatBitmap;
176 }
177 }
178
179 private unsafe Bitmap FmtRgb555(string DatName, Bitmap DatBitmap)
180 {
181 Bitmap bitmap;
182 using (FileStream stream = new FileStream(DatName, FileMode.Open))
183 {
184 using (BinaryReader reader = new BinaryReader(stream))
185 {
186 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
187 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
188 byte* numPtr = (byte*) bitmapdata.Scan0;
189 int num = DatBitmap.Width * 4;
190 for (int i = 0; i < DatBitmap.Height; i++)
191 {
192 for (int j = 0; j < num; j += 4)
193 {
194 int num4 = reader.ReadUInt16();
195 numPtr[3] = 0xff;
196 numPtr[2] = (byte) ((num4 >> 7) & 0xf8);
197 numPtr[1] = (byte) ((num4 >> 2) & 0xf8);
198 numPtr[0] = (byte) ((num4 << 3) & 0xf8);
199 numPtr += 4;
200 }
201 }
202 DatBitmap.UnlockBits(bitmapdata);
203 bitmap = DatBitmap;
204 }
205 }
206 return bitmap;
207 }
208
209 private unsafe Bitmap FmtRgb565(string DatName, Bitmap DatBitmap)
210 {
211 Bitmap bitmap;
212 using (FileStream stream = new FileStream(DatName, FileMode.Open))
213 {
214 using (BinaryReader reader = new BinaryReader(stream))
215 {
216 BitmapData bitmapdata = DatBitmap.LockBits(new Rectangle(0, 0, DatBitmap.Width, DatBitmap.Height),
217 ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
218 byte* numPtr = (byte*) bitmapdata.Scan0;
219 int num = DatBitmap.Width * 4;
220 for (int i = 0; i < DatBitmap.Height; i++)
221 {
222 for (int j = 0; j < num; j += 4)
223 {
224 int num4 = reader.ReadUInt16();
225 numPtr[3] = 0xff;
226 numPtr[2] = (byte) ((num4 >> 8) & 0xf8);
227 numPtr[1] = (byte) ((num4 >> 3) & 0xfc);
228 numPtr[0] = (byte) ((num4 << 3) & 0xf8);
229 numPtr += 4;
230 }
231 }
232 DatBitmap.UnlockBits(bitmapdata);
233 bitmap = DatBitmap;
234 }
235 }
236 return bitmap;
237 }
238
