[919] | 1 | /**
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| 2 | * FrameBitmap.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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[79] | 19 | package org.expeditee.items;
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| 20 |
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[601] | 21 | import java.awt.Color;
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| 22 | import java.awt.Image;
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| 23 | import java.awt.image.BufferedImage;
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[79] | 24 | import java.awt.image.ImageObserver;
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[601] | 25 | import java.util.List;
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[79] | 26 |
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[601] | 27 | import org.expeditee.gui.Frame;
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| 28 | import org.expeditee.gui.FrameIO;
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[79] | 29 |
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[108] | 30 | //TODO tidy up the mess I caused with refresh during the period where I was going into XRay mode before saving
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| 31 |
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[79] | 32 | public class FrameBitmap extends FramePicture {
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[601] | 33 | public FrameBitmap(Text source, ImageObserver observer, Image image){
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| 34 | super(source, observer, image);
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| 35 | }
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[79] | 36 |
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[601] | 37 | @Override
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| 38 | public boolean refresh() {
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| 39 | assert (_source.getLink() != null);
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| 40 | Frame frame = FrameIO.LoadFrame(_source.getAbsoluteLink());
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| 41 | // if the frame cant be found just use the current image
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| 42 | if (frame == null) {
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| 43 | return false;
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| 44 | }
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| 45 |
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| 46 | List<Text> textList = frame.getBodyTextItems(false);
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| 47 | if (textList.size() == 0)
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| 48 | return false;
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| 49 | List<String> imageLines = textList.get(0).getTextList();
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| 50 | int width = 0;
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| 51 | int height = imageLines.size();
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| 52 | // Determine the image width by finding the widest line of text
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| 53 | for (String s : imageLines) {
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| 54 | if (s.length() > width)
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| 55 | width = s.length();
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| 56 | }
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| 57 |
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| 58 | if(width == 0)
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| 59 | return false;
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| 60 |
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| 61 | BufferedImage bi = new BufferedImage(width, height,
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| 62 | BufferedImage.TYPE_INT_ARGB);
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| 63 | // now set the bits on the image
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| 64 | final int transparent = (new Color(0F, 0F, 0F, 0F)).getRGB();
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| 65 | final int main = _source.getPaintColor().getRGB();
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| 66 | final Color c = _source.getPaintColor();
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| 67 | int currentColor = main;
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| 68 | int row = 0;
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| 69 | for (String s : imageLines) {
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| 70 | for (int i = 0; i < width; i++) {
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| 71 | currentColor = transparent;
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| 72 | if (i < s.length()) {
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| 73 | char currentPixel = s.charAt(i);
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| 74 | // Space is transparent as is 0
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| 75 | if (Character.isDigit(currentPixel)) {
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| 76 | int alpha = Math.round((currentPixel - '0') * 25.5F);
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| 77 | currentColor = new Color(c.getRed(), c.getGreen(), c
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| 78 | .getBlue(), alpha).getRGB();
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| 79 | }else if (currentPixel != ' ') {
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| 80 | currentColor = main;
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| 81 | }
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| 82 | }
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| 83 | bi.setRGB(i, row, currentColor);
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| 84 | }
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| 85 | row++;
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| 86 | }
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| 87 | _image = bi;
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| 88 |
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| 89 | return true;
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| 90 | }
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| 91 |
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| 92 | @Override
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| 93 | protected Picture createPicture() {
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| 94 | return new FrameBitmap((Text) _source.copy(),
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| 95 | _imageObserver, _image);
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| 96 | }
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| 97 |
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| 98 | @Override
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| 99 | protected String getTagText() {
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| 100 | return "@b: ";
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| 101 | }
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[79] | 102 | }
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