Conversion Tool class "Go" between Android bitmap and drawable and byte[] and InputStream

2. Package Com.soai.imdemo;
6. Import Java.io.ByteArrayInputStream;
8. Import Java.io.ByteArrayOutputStream;
10. Import Java.io.InputStream;
14. Import Android.graphics.Bitmap;
16. Import Android.graphics.BitmapFactory;
18. Import Android.graphics.Canvas;
20. Import Android.graphics.PixelFormat;
22. Import android.graphics.drawable.BitmapDrawable;
24. Import android.graphics.drawable.Drawable;
28. /**
30. * Conversion Tool class between Bitmap and Drawable and byte[] and InputStream
32. * @author Administrator
34. *
36. */
38. Public class Formattools {
40. private static Formattools tools = new Formattools ();
44. public static Formattools getinstance () {
46. if (Tools = = null) {
48. Tools = new Formattools ();
50. return tools;
52. }
54. return tools;
56. }
60. //Convert byte[] to InputStream
62. Public InputStream Byte2inputstream (byte[] b) {
64. Bytearrayinputstream Bais = new Bytearrayinputstream (b);
66. return Bais;
68. }
72. //Convert InputStream to byte[]
74. public byte[] Inputstream2bytes (InputStream is) {
76. String str = "";
78. byte[] ReadByte = new byte[1024];
80. int readcount =-1;
82. try {
84. While ((Readcount = Is.read (ReadByte, 0, 1024x768))! =-1) {
86. str + = new String (readbyte). Trim ();
88. }
90. return str.getbytes ();
92. } catch (Exception e) {
94. E.printstacktrace ();
96. }
98. return null;
100. }
104. //Convert bitmap to InputStream
106. Public InputStream Bitmap2inputstream (Bitmap BM) {
108. Bytearrayoutputstream BAOs = new Bytearrayoutputstream ();
110. Bm.compress (Bitmap.CompressFormat.JPEG, BAOs);
112. InputStream is = new Bytearrayinputstream (Baos.tobytearray ());
114. return is;
116. }
120. //Convert bitmap to InputStream
122. Public InputStream Bitmap2inputstream (Bitmap BM, int quality) {
124. Bytearrayoutputstream BAOs = new Bytearrayoutputstream ();
126. Bm.compress (Bitmap.CompressFormat.PNG, quality, BAOs);
128. InputStream is = new Bytearrayinputstream (Baos.tobytearray ());
130. return is;
132. }
136. //Convert InputStream to bitmap
138. Public Bitmap Inputstream2bitmap (InputStream is) {
140. return Bitmapfactory.decodestream (IS);
142. }
146. //drawable converted to InputStream
148. Public InputStream Drawable2inputstream (drawable d) {
150. Bitmap Bitmap = This.drawable2bitmap (d);
152. return this .  Bitmap2inputstream (bitmap);
154. }
158. //InputStream converted to drawable
160. Public drawable inputstream2drawable (InputStream is) {
162. Bitmap Bitmap = this .  Inputstream2bitmap (IS);
164. return this.bitmap2drawable (bitmap);
166. }
170. //drawable convert to byte[]
172. public byte[] Drawable2bytes (drawable d) {
174. Bitmap Bitmap = This.drawable2bitmap (d);
176. return this .  Bitmap2bytes (bitmap);
178. }
182. ///byte[] converted to drawable
184. Public drawable bytes2drawable (byte[] b) {
186. Bitmap Bitmap = this .  Bytes2bitmap (b);
188. return this.bitmap2drawable (bitmap);
190. }
194. //Bitmap convert to byte[]
196. public byte[] Bitmap2bytes (Bitmap BM) {
198. Bytearrayoutputstream BAOs = new Bytearrayoutputstream ();
200. Bm.compress (Bitmap.CompressFormat.PNG, BAOs);
202. return Baos.tobytearray ();
204. }
208. ///byte[] converted to bitmap
210. Public Bitmap Bytes2bitmap (byte[] b) {
212. if (b.length! = 0) {
214. return Bitmapfactory.decodebytearray (b, 0, b.length);
216. }
218. return null;
220. }
224. //drawable converted to bitmap
226. Public Bitmap Drawable2bitmap (drawable drawable) {
228. Bitmap Bitmap = Bitmap
230. . CreateBitmap (
232. Drawable.getintrinsicwidth (),
234. Drawable.getintrinsicheight (),
236. Drawable.getopacity ()! = Pixelformat.opaque? Bitmap.Config.ARGB_8888
238. : Bitmap.Config.RGB_565);
240. Canvas canvas = new canvas (bitmap);
242. Drawable.setbounds (0, 0, Drawable.getintrinsicwidth (),
244. Drawable.getintrinsicheight ());
246. Drawable.draw (canvas);
248. return bitmap;
250. }
254. //Bitmap converted to drawable
256. Public drawable bitmap2drawable (Bitmap Bitmap) {
258. bitmapdrawable bd = new bitmapdrawable (bitmap);
260. drawable d = (drawable) BD;
262. return D;
264. }
266. }

Conversion Tool class "Go" between Android bitmap and drawable and byte[] and InputStream