1 | //
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2 | // Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
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3 | //
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4 | // This is free software; you can redistribute it and/or modify
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5 | // it under the terms of the GNU General Public License as published by
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6 | // the Free Software Foundation; either version 2 of the License, or
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7 | // (at your option) any later version.
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8 | //
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9 | // This software is distributed in the hope that it will be useful,
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10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 | // GNU General Public License for more details.
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13 | //
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14 | // You should have received a copy of the GNU General Public License
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15 | // along with this software; if not, write to the Free Software
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16 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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17 | // USA.
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18 | //
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19 |
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20 | //
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21 | // animatedMemoryImageSource.java
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22 | //
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23 | package mindbright.vnc;
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24 |
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25 | import java.awt.image.*;
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26 |
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27 | class animatedMemoryImageSource implements ImageProducer {
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28 | int width;
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29 | int height;
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30 | ColorModel cm;
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31 | byte[] pixels;
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32 | ImageConsumer ic;
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33 |
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34 | animatedMemoryImageSource(int w, int h, ColorModel c, byte[] p) {
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35 | width = w;
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36 | height = h;
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37 | cm = c;
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38 | pixels = p;
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39 | }
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40 |
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41 | public void addConsumer(ImageConsumer c) {
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42 | if (ic == c)
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43 | return;
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44 |
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45 | if (ic != null) {
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46 | ic.imageComplete(ImageConsumer.IMAGEERROR);
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47 | }
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48 |
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49 | ic = c;
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50 | ic.setDimensions(width, height);
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51 | ic.setColorModel(cm);
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52 | ic.setHints(ImageConsumer.RANDOMPIXELORDER);
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53 | ic.setPixels(0, 0, width, height, cm, pixels, 0, width);
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54 | ic.imageComplete(ImageConsumer.SINGLEFRAMEDONE);
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55 | }
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56 |
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57 | public boolean isConsumer(ImageConsumer c) {
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58 | return (ic == c);
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59 | }
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60 |
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61 | public void removeConsumer(ImageConsumer c) {
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62 | if (ic == c)
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63 | ic = null;
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64 | }
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65 |
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66 | public void requestTopDownLeftRightResend(ImageConsumer c) {
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67 | }
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68 |
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69 | public void startProduction(ImageConsumer c) {
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70 | addConsumer(c);
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71 | }
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72 |
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73 | void newPixels(int x, int y, int w, int h) {
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74 | if (ic != null) {
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75 | ic.setPixels(x, y, w, h, cm, pixels, width * y + x, width);
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76 | ic.imageComplete(ImageConsumer.SINGLEFRAMEDONE);
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77 | }
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78 | }
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79 | }
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