1 | /**
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2 | * ScaleFrameset.java
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3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
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4 | *
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5 | * This program is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | package org.expeditee.agents;
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20 |
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21 | import java.util.Collection;
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22 |
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23 | import org.expeditee.gio.gesture.StandardGestureActions;
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24 | import org.expeditee.gui.Frame;
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25 | import org.expeditee.gui.FrameIO;
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26 | import org.expeditee.gui.Vector;
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27 | import org.expeditee.items.Item;
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28 | import org.expeditee.items.Line;
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29 | import org.expeditee.items.Text;
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30 | import org.expeditee.items.UserAppliedPermission;
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31 |
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32 | public class ScaleFrameset extends DefaultAgent {
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33 | private int _firstFrame = 1;
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34 |
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35 | private float _scale = 1F;
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36 |
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37 | private int _maxFrame = Integer.MAX_VALUE;
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38 |
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39 | public ScaleFrameset(float scale, int firstFrame, int maxFrame) {
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40 | super();
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41 | _firstFrame = firstFrame;
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42 | _maxFrame = maxFrame;
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43 | _scale = scale;
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44 | }
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45 |
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46 | public ScaleFrameset(float scale) {
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47 | this(scale, 1, Integer.MAX_VALUE);
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48 | }
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49 |
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50 | @Override
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51 | protected Frame process(Frame frame) {
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52 | String framesetName = frame.getFramesetName();
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53 |
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54 | _maxFrame = Math.min(FrameIO.getLastNumber(framesetName), _maxFrame);
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55 |
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56 | // Scale each of the frames
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57 | for (int i = _firstFrame; i <= _maxFrame; i++) {
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58 | scaleFrame(FrameIO.LoadFrame(framesetName + i), _scale);
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59 | }
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60 | // TODO fix this so it actually works properly!!
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61 | // TODO figure out why it doesnt repaint correctly sometimes
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62 |
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63 | // TODO make this thread safe!
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64 | StandardGestureActions.Refresh();
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65 |
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66 | return null;
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67 | }
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68 |
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69 | public static void scaleFrame(Frame frame, float scaleFactor) {
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70 |
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71 | if (frame == null) {
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72 | return;
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73 | }
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74 |
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75 | for (Vector v : frame.getVectors()) {
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76 | v.Source.scale(scaleFactor, 0, 0);
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77 | }
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78 |
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79 | Collection<Item> items = frame.getVisibleItems();
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80 |
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81 | for(Item item : items) {
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82 | if(item instanceof Text && item.getSize() <= Text.MINIMUM_FONT_SIZE && scaleFactor < 1) {
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83 | return;
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84 | }
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85 | }
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86 |
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87 | for (Item item : items) {
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88 | // This line is only needed for circles!!
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89 | // Need to really fix up the way this works!!
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90 | if (item.hasEnclosures())
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91 | continue;
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92 | if (!item.hasPermission(UserAppliedPermission.full))
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93 | continue;
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94 | item.invalidateAll();
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95 | if (!(item instanceof Line)) {
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96 | item.scale(scaleFactor, 0, 0);
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97 | }
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98 | }
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99 |
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100 | for (Item item : items) {
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101 | if (!item.hasPermission(UserAppliedPermission.full))
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102 | continue;
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103 | // if (!(item instanceof Line))
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104 | item.invalidateBounds();
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105 |
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106 | if (item instanceof Line) {
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107 | ((Line) item).refreshStroke(item.getThickness());
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108 | }
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109 |
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110 | item.invalidateAll();
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111 | }
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112 | }
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113 | }
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