2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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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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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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19 package jalview.util;
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21 import java.awt.event.ActionEvent;
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22 import java.awt.RenderingHints;
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23 import javax.imageio.ImageIO;
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24 import org.jibble.epsgraphics.EpsGraphics2D;
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25 import jalview.gui.EPSOptions;
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26 import java.awt.Graphics2D;
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28 import java.awt.image.BufferedImage;
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29 import java.awt.Graphics;
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30 import jalview.io.*;
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34 public class ImageMaker
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36 public static final int EPS = 0;
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37 public static final int PNG = 1;
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42 FileOutputStream out;
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45 public ImageMaker(Component parent, int type, String title,
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46 int width, int height, File file, String EPStitle)
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52 JalviewFileChooser chooser;
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53 chooser = type == EPS ? getEPSChooser() : getPNGChooser();
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55 chooser.setFileView(new jalview.io.JalviewFileView());
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56 chooser.setDialogTitle(title);
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57 chooser.setToolTipText("Save");
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59 int value = chooser.showSaveDialog(parent);
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61 if (value == jalview.io.JalviewFileChooser.APPROVE_OPTION)
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63 jalview.bin.Cache.setProperty("LAST_DIRECTORY",
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64 chooser.getSelectedFile().getParent());
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66 file = chooser.getSelectedFile();
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74 out = new FileOutputStream(file);
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77 setupEPS(width, height, EPStitle);
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79 setupPNG(width, height);
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81 catch (Exception ex)
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83 System.out.println("Error creating " + (type == EPS ? "EPS" : "PNG") +
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89 public Graphics getGraphics()
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95 void setupPNG(int width, int height)
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97 bi = new BufferedImage(width, height,
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98 BufferedImage.TYPE_INT_RGB);
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99 graphics = bi.getGraphics();
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100 Graphics2D ig2 = (Graphics2D) graphics;
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101 ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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102 RenderingHints.VALUE_ANTIALIAS_ON);
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105 public void writeImage()
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115 ImageIO.write(bi, "png", out);
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120 catch (Exception ex)
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122 ex.printStackTrace();
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126 void setupEPS(int width, int height, String title)
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128 boolean accurateText = true;
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130 String renderStyle = jalview.bin.Cache.getDefault("EPS_RENDERING",
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131 "Prompt each time");
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133 // If we need to prompt, and if the GUI is visible then
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134 // Prompt for EPS rendering style
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135 if (renderStyle.equalsIgnoreCase("Prompt each time")
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137 (System.getProperty("java.awt.headless") != null
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138 && System.getProperty("java.awt.headless").equals("true")))
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140 EPSOptions eps = new EPSOptions();
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141 renderStyle = eps.getValue();
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143 if (renderStyle == null || eps.cancelled)
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147 if (renderStyle.equalsIgnoreCase("text"))
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149 accurateText = false;
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153 pg = new EpsGraphics2D(title, out, 0, 0, width,
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155 Graphics2D ig2 = (Graphics2D) pg;
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156 ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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157 RenderingHints.VALUE_ANTIALIAS_ON);
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159 pg.setAccurateTextMode(accurateText);
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163 catch (Exception ex) { }
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167 JalviewFileChooser getPNGChooser()
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169 return new jalview.io.JalviewFileChooser(jalview.bin.Cache.getProperty(
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170 "LAST_DIRECTORY"), new String[]
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173 {"Portable network graphics"},
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174 "Portable network graphics");
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177 JalviewFileChooser getEPSChooser()
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179 return new jalview.io.JalviewFileChooser(jalview.bin.Cache.getProperty(
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180 "LAST_DIRECTORY"), new String[]
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183 {"Encapsulated Postscript"},
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184 "Encapsulated Postscript");
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