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/Users/lyon/j4p/src/ip/apurva/ZipFrame.java
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1 package ip.apurva;
2
3 import futils.Futil;
4 import futils.WriterUtil;
5 import ip.gui.ImageSequence;
6 import ip.gui.frames.TopFrame;
7 import ip.transforms.Lifting;
8
9 import java.awt.Menu;
10 import java.awt.MenuBar;
11 import java.awt.MenuItem;
12 import java.awt.event.ActionEvent;
13 import java.awt.event.ActionListener;
14 import java.io.FileInputStream;
15 import java.io.FileOutputStream;
16 import java.io.ObjectInputStream;
17 import java.io.ObjectOutputStream;
18 import java.util.Vector;
19 import java.util.zip.ZipEntry;
20 import java.util.zip.ZipInputStream;
21 import java.util.zip.ZipOutputStream;
22
23 public class ZipFrame extends TopFrame
24 implements ActionListener {
25 ImageSequence imgsq = new ImageSequence();
26 int count = 1;
27 Vector imgvecr = new Vector();
28 Vector imgvecg = new Vector();
29 Vector imgvecb = new Vector();
30
31 MenuBar mb = getMenuBar();
32 Menu Zipmenu = new Menu("Wave Zip");
33 MenuItem next_mi = addMenuItem(Zipmenu,
34 "Next Entry");
35 MenuItem ForLift_mi = addMenuItem(Zipmenu,
36 "Forward Lifting");
37 MenuItem BackLift_mi = addMenuItem(Zipmenu,
38 "BackWard Lifting");
39 MenuItem DHT_mi = addMenuItem(Zipmenu,
40 "Split Radix for DHT");
41
42
43 Menu s_plus_p_menu = new Menu("S + P Xforms");
44 MenuItem S_plus_P_forward = addMenuItem(
45 s_plus_p_menu, "S + P Forward");
46 MenuItem clearband1 = addMenuItem(
47 s_plus_p_menu, "Clear 1/2 band");
48 MenuItem clearband2 = addMenuItem(
49 s_plus_p_menu, "Clear 1/4 band");
50 MenuItem clearband3 = addMenuItem(
51 s_plus_p_menu, "Clear 1/8 band");
52 MenuItem S_plus_P_inverse = addMenuItem(
53 s_plus_p_menu, "S + P Inverse");
54
55 public void actionPerformed(ActionEvent e) {
56 if (match(e, DHT_mi)) {
57 dHT_mi();
58 }
59 if (match(e, S_plus_P_forward)) {
60 forward();
61 }
62 if (match(e, clearband1)) {
63 clear_band1();
64 }
65 if (match(e, clearband2)) {
66 clear_band2();
67 }
68 if (match(e, clearband3)) {
69 clear_band3();
70 }
71 if (match(e, S_plus_P_inverse)) {
72 inverse();
73 }
74 if (match(e, next_mi)) {
75 nextentry();
76 return;
77 }
78 if (match(e, ForLift_mi)) {
79 forwardzip();
80 return;
81 }
82 if (match(e, BackLift_mi)) {
83 backwardzip();
84 return;
85 }
86 super.actionPerformed(e);
87 }
88
89
90 public void dHT_mi() {
91 /*DHT_SR dht_mi = new DHT_SR();
92 dht_mi.initframe(r,g,b);
93 short2Image();*/
94 }
95
96 public void forward() {
97 Lifting.forwardHaar(
98 shortImageBean.getR());
99 Lifting.forwardHaar(
100 shortImageBean.getG());
101 Lifting.forwardHaar(
102 shortImageBean.getB());
103 SPxform.S_plus_P_Xform(
104 shortImageBean.getR());
105 SPxform.S_plus_P_Xform(
106 shortImageBean.getG());
107 SPxform.S_plus_P_Xform(
108 shortImageBean.getB());
109 short2Image();
110 }
111
112 public void clear_band1() {
113 clear_band(0,
114 getImageHeight() / 2,
115 getImageWidth(),
116 getImageHeight());
117 short2Image();
118 }
119
120 public void clear_band2() {
121 clear_band(0,
122 getImageHeight() / 4,
123 getImageWidth(),
124 getImageHeight());
125 short2Image();
126 }
127
128 public void clear_band3() {
129 clear_band(0,
130 getImageHeight() / 8,
131 getImageWidth(),
132 getImageHeight());
133 short2Image();
134
135 }
136
137 public void clear_band(int x,
138 int y,
139 int x1,
140 int y1) {
141 for (int i = x; i < x1; i++) {
142 for (int j = y; j < y1; j++) {
143 shortImageBean.getR()[i][j] = 0;
144 shortImageBean.getG()[i][j] = 0;
145 shortImageBean.getB()[i][j] = 0;
146 }
147 }
148 }
149
150 public void inverse() {
151 SPxform.inversXform(
152 shortImageBean.getR());
153 SPxform.inversXform(
154 shortImageBean.getG());
155 SPxform.inversXform(
156 shortImageBean.getB());
157 Lifting.backwardHaar(
158 shortImageBean.getR());
159 Lifting.backwardHaar(
160 shortImageBean.getG());
161 Lifting.backwardHaar(
162 shortImageBean.getB());
163 short2Image();
164 }
165
166 public void nextentry() {
167 System.out.println("" + count);
168 short[][] r = (short[][]) imgvecr.elementAt(
169 count);
170 shortImageBean.setR(r);
171 setG(
172 (short[][]) imgvecg.elementAt(
173 count));
174 setB(
175 (short[][]) imgvecb.elementAt(
176 count));
177 Lifting.backwardHaar(
178 shortImageBean.getR());
179 Lifting.backwardHaar(
180 shortImageBean.getB());
181 Lifting.backwardHaar(
182 shortImageBean.getG());
183 short2Image();
184 setImageWidth(
185 shortImageBean.getR().length);
186 setImageHeight(
187 shortImageBean.getR()[0].length);
188 setSize(getImageWidth(),
189 getImageHeight());
190 count--;
191 if (count == -1)
192 count = imgvecr.size() - 1;
193 }
194
195 public void forwardzip() {
196 String filename = WriterUtil.getSaveFileName(
197 "Save as Zip file");
198 try {
199 //writing to a zip file
200 FileOutputStream fos = new FileOutputStream(
201 filename);
202 ZipOutputStream zos = new ZipOutputStream(
203 fos);
204 Lifting.forwardHaar(
205 shortImageBean.getR());
206 Lifting.forwardHaar(
207 shortImageBean.getG());
208 Lifting.forwardHaar(
209 shortImageBean.getB());
210 int j, i;
211 for (
212 i = getImageHeight(), j = 0;
213 i > getImageHeight() / 64; i =
214 i /
215 2
216 ,
217 j++) {
218 ZipEntry zer = new ZipEntry(
219 "r" + i + "");
220 ZipEntry zeg = new ZipEntry(
221 "g" + i + "");
222 ZipEntry zeb = new ZipEntry(
223 "b" + i + "");
224 zer.setMethod(ZipEntry.DEFLATED);
225 zeg.setMethod(ZipEntry.DEFLATED);
226 zeb.setMethod(ZipEntry.DEFLATED);
227 zos.putNextEntry(zer);
228 ObjectOutputStream oos = new ObjectOutputStream(
229 zos);
230 //clearing the sub bands by the multiples of 2
231 clearQuad(0,
232 i,
233 getImageWidth(),
234 getImageHeight());
235 //writing serialized object to the gzip file
236 oos.writeObject(
237 shortImageBean.getR());
238 zos.putNextEntry(zeg);
239 oos.writeObject(
240 shortImageBean.getG());
241 zos.putNextEntry(zeb);
242 oos.writeObject(
243 shortImageBean.getB());
244 }
245 zos.finish();
246 //applying backward lifting xform to show the last image od the sequence
247 Lifting.backwardHaar(
248 shortImageBean.getR());
249 Lifting.backwardHaar(
250 shortImageBean.getB());
251 Lifting.backwardHaar(
252 shortImageBean.getG());
253 short2Image();
254 } catch (Exception e) {
255 System.out.println(
256 "Save as Zip file :" + e);
257 }
258 }
259
260
261 public void backwardzip() {
262 String filename = Futil.getReadFileName();
263
264
265 try {
266 FileInputStream fos = new FileInputStream(
267 filename);
268 ZipInputStream gos = new ZipInputStream(
269 fos);
270 ZipEntry ze;
271 for (
272 int i = getImageHeight();
273 i > getImageHeight() / 64; i =
274 i /
275 2) {
276 ze = gos.getNextEntry();
277 ze.setMethod(ZipEntry.DEFLATED);
278 ObjectInputStream oos = new ObjectInputStream(
279 gos);
280 short[][] r = (short[][]) oos.readObject();
281 shortImageBean.setR(r);
282 imgvecr.addElement(
283 shortImageBean.getR());
284 ze = gos.getNextEntry();
285 ze.setMethod(ZipEntry.DEFLATED);
286 setB(
287 (short[][]) oos.readObject());
288 imgvecg.addElement(
289 shortImageBean.getG());
290 ze = gos.getNextEntry();
291 ze.setMethod(ZipEntry.DEFLATED);
292 setG(
293 (short[][]) oos.readObject());
294 imgvecb.addElement(
295 shortImageBean.getB());
296 setImageWidth(
297 shortImageBean.getR()
298 .length);
299 setImageHeight(
300 shortImageBean.getR()[0].length);
301 setSize(getImageWidth(),
302 getImageHeight());
303 }
304 count = imgvecr.size() - 1;
305 Lifting.backwardHaar(
306 shortImageBean.getR());
307 Lifting.backwardHaar(
308 shortImageBean.getB());
309 Lifting.backwardHaar(
310 shortImageBean.getG());
311 short2Image();
312 gos.close();
313 } catch (Exception e) {
314 System.out.println(
315 "Open as Zip file :" + e);
316 }
317
318 }
319
320 public void clearQuad(int x1,
321 int y1,
322 int x2,
323 int y2) {
324 for (int x = x1; x < x2; x++)
325 for (int y = y1; y < y2; y++) {
326 shortImageBean.getR()[x][y] = 0;
327 shortImageBean.getG()[x][y] = 0;
328 shortImageBean.getB()[x][y] = 0;
329 }
330 }
331
332 ZipFrame() {
333 super("MyZipFile");
334 mb.add(Zipmenu);
335 mb.add(s_plus_p_menu);
336
337
338 }
339
340 public static void main(String args[]) {
341 new ZipFrame();
342 }
343
344 }