annotate src/name/blackcap/imageprep/Menus.kt @ 19:5fa5d15b4a7b

Attempt to make it a std. app. Builds, sorta runs, needs more work.
author David Barts <n5jrn@me.com>
date Fri, 20 Nov 2020 21:38:06 -0800
parents d71523cde521
children 71029c9bf7cd
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1 /*
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2 * Menus.
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3 */
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4 package name.blackcap.imageprep
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5
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6 import java.awt.Graphics2D
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7 import java.awt.RenderingHints
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8 import java.awt.Toolkit
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9 import java.awt.Window
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10 import java.awt.event.ActionEvent
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11 import java.awt.event.ActionListener
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12 import java.awt.event.KeyEvent
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13 import java.awt.image.BufferedImage
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14 import java.io.File
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15 import java.io.IOException
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16 import java.util.logging.Level
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17 import java.util.logging.Logger
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18 import javax.imageio.IIOImage
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19 import javax.imageio.ImageIO
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20 import javax.imageio.ImageWriteParam
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21 import javax.imageio.ImageWriter
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22 import javax.imageio.stream.ImageOutputStream
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23 import javax.swing.*
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24 import javax.swing.filechooser.FileNameExtensionFilter
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25
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26 /**
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27 * Our menu bar. What we display depends somewhat on the system type, as
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28 * the Mac gives us a gratuitous menu bar entry for handling some stuff.
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29 */
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30 class MyMenuBar: JMenuBar() {
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31 private var currentInputDirectory = File(System.getProperty("user.dir"))
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32 private var currentOutputDirectory = File(Application.settingsDialog.outputTo)
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33
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34 init {
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35 add(JMenu("File").apply {
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36 add(JMenuItem("Open & Scale…").apply {
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37 addActionListener(ActionListener { doOpen() })
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38 makeShortcut(KeyEvent.VK_O)
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39 })
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40 add(JMenuItem("Discard").apply {
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41 addActionListener(ActionListener { doDiscard() })
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42 })
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43 add(JMenuItem("Save & Close…").apply {
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44 addActionListener(ActionListener { doClose() })
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45 makeShortcut(KeyEvent.VK_S)
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46 })
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47 if (OS.type != OS.MAC) {
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48 add(JMenuItem("Preferences…").apply {
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49 addActionListener(ActionListener {
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50 Application.settingsDialog.setVisible(true)
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51 })
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52 makeShortcut(KeyEvent.VK_COMMA)
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53 })
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54 add(JMenuItem("Quit").apply {
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55 addActionListener(ActionListener {
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56 LOGGER.log(Level.INFO, "execution complete")
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57 System.exit(0)
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58 })
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59 makeShortcut(KeyEvent.VK_Q)
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60 })
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61 }
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62 })
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63 add(JMenu("Help").apply {
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64 if (OS.type != OS.MAC) {
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65 add(JMenuItem("About ${Application.MYNAME}…").apply {
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66 addActionListener(ActionListener { showAboutDialog() })
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67 })
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68 }
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69 add(JMenuItem("${Application.MYNAME} Help…").apply {
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70 addActionListener(ActionListener { Application.helpDialog.setVisible(true) })
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71 })
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72 })
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73 }
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74
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75 fun getMenu(name: String): JMenu? {
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76 subElements.forEach {
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77 val jmenu = it.component as? JMenu
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78 if (jmenu?.text == name) {
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79 return jmenu
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80 }
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81 }
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82 return null
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83 }
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84
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85 private fun doOpen() {
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86 val maxDim = MaxDimSpinner(Application.settingsDialog.maxDimension)
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87 val acc = JPanel().apply {
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88 layout = BoxLayout(this, BoxLayout.X_AXIS)
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89 add(JLabel("Max. dimension:"))
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90 add(maxDim)
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91 }
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92 val chooser = JFileChooser().apply {
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93 accessory = acc
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94 currentDirectory = currentInputDirectory
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95 fileFilter = FileNameExtensionFilter("Image Files", *ImageIO.getReaderFileSuffixes())
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96 }
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97 if (chooser.showOpenDialog(Application.mainFrame) == JFileChooser.APPROVE_OPTION) {
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98 currentInputDirectory = chooser.selectedFile.canonicalFile.parentFile
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99 RotateDialog.makeDialog(chooser.selectedFile, maxDim.value as Int)
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100 }
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101 }
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102
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103 private fun doDiscard() {
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104 val w = FocusManager.getCurrentManager().activeWindow as? RotateDialog
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105 if (w == null) {
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106 Toolkit.getDefaultToolkit().beep()
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107 return
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108 }
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109 w.close()
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110 }
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111
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112 /* xxx - ImageIO bug? */
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113 private class NullOutputStream : java.io.OutputStream() {
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114 override fun write(b: Int): Unit {}
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115 }
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116
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117 private fun doClose() {
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118 val w = FocusManager.getCurrentManager().activeWindow as? RotateDialog
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119 if (w == null) {
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120 LOGGER.log(Level.INFO, "beep!")
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121 Toolkit.getDefaultToolkit().beep()
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122 return
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123 }
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124 val outQual = OutQualSpinner(Application.settingsDialog.outputQuality)
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125 val acc = JPanel().apply {
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126 layout = BoxLayout(this, BoxLayout.X_AXIS)
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127 add(JLabel("Quality:"))
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128 add(outQual)
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129 }
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130 val outName = splitext(w.file.name).first + Application.settingsDialog.outputSuffix + ".jpg"
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131 val chooser = JFileChooser().apply {
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132 accessory = acc
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133 currentDirectory = currentOutputDirectory
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134 selectedFile = File(currentOutputDirectory, outName)
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135 }
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136 if (chooser.showSaveDialog(Application.mainFrame) != JFileChooser.APPROVE_OPTION) {
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137 return
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138 }
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139 currentOutputDirectory = chooser.selectedFile.canonicalFile.parentFile
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140 val (name, ext) = splitext(chooser.selectedFile.name)
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141 val file = if (ext.toLowerCase() in setOf(".jpg", ".jpeg")) {
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142 chooser.selectedFile
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143 } else {
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144 File(currentOutputDirectory, name + ".jpg")
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145 }
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146 if (file.exists() && JOptionPane.showConfirmDialog(w, "File ${file.name} already exists. Overwrite?", "Confirm Overwrite", JOptionPane.YES_NO_OPTION) != JOptionPane.YES_OPTION) {
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147 return
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148 }
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149 w.useWaitCursor()
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150 swingWorker<IOException?> {
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151 inBackground {
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152 try {
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153 /* xxx - ImageIO bug? */
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154 val devNull = java.io.PrintStream(NullOutputStream())
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155 val oldOut = System.out
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156 System.setOut(devNull)
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157 val oldErr = System.err
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158 System.setErr(devNull)
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159 val ios = try {
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160 ImageIO.createImageOutputStream(file)
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161 } finally {
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162 System.setErr(oldErr)
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163 System.setOut(oldOut)
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164 }
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165 if (ios == null)
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166 throw IOException()
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167 /* xxx - end workaround */
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168 ios.use {
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169 val writer = ImageIO.getImageWritersByFormatName("jpeg").next()
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170 try {
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171 val iwp = writer.getDefaultWriteParam().apply {
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172 setCompressionMode(ImageWriteParam.MODE_EXPLICIT)
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5fa5d15b4a7b Attempt to make it a std. app. Builds, sorta runs, needs more work.
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173 setCompressionQuality((outQual.value as Int).toFloat() / 100.0f)
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174 }
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175 writer.setOutput(it)
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176 writer.write(null, IIOImage(w.image, null, null), iwp)
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177 } finally {
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178 writer.dispose()
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179 }
0
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180 }
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181 null
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182 } catch (e: IOException) {
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183 e
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184 }
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185 }
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186 whenDone {
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187 w.useNormalCursor()
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188 val error = get()
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189 if (error == null) {
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9e9fe34052a6 Use .close().
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190 w.close()
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191 } else {
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192 ioExceptionDialog(w, file, "write", error)
0
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193 }
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194 }
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195 }
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196 }
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197
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198 private fun splitext(s: String): Pair<String, String> {
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199 val pos = s.lastIndexOf('.')
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200 if (pos == -1) {
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201 return Pair(s, "")
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202 }
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203 return Pair(s.substring(0, pos), s.substring(pos))
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204 }
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205 }
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206
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207 /**
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208 * Show an About dialog.
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209 */
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210 fun showAboutDialog() {
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211 JOptionPane.showMessageDialog(Application.mainFrame,
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212 "\nImagePrep\n"
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213 + "\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0© MMXX, David W. Barts\n",
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214 "About ImagePrep",
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215 JOptionPane.PLAIN_MESSAGE)
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216 }