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1 (ns rlm.image-utils
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2 (:import [javax.swing JFrame]
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3 [java.awt Color BorderLayout]
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4 [ij ImagePlus IJ]
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5 [java.lang Math]
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6 [java.awt Graphics2D Panel]
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7 [ij Macro]
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8 [java.io BufferedReader InputStreamReader]
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9 [java.awt.image BufferedImage])
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10 (:use [clojure.contrib
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11 [math]
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12 [def]]))
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13
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14
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15 (defmulti frame-hash-multi class)
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16
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17 (defmethod frame-hash-multi ImagePlus
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18 [image+]
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19 (with-meta
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20 (let [buf (.. image+ getBufferedImage)
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21 color (.getColorModel buf)]
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22 (apply hash-map
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23 (interleave
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24 (doall (for [x (range (.getWidth image+)) y (range (.getHeight image+))]
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25 (vector x y)))
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26 (doall (for [x (range (.getWidth image+)) y (range (.getHeight image+))]
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27 (let [data (.getRGB buf x y)]
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28 (hash-map :r (bit-shift-right (bit-and 0xff0000 data) 16)
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29 :g (bit-shift-right (bit-and 0x00ff00 data) 8)
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30 :b (bit-and 0x0000ff data))))))))
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31 {:width (.getWidth image+) :height (.getHeight image+)}))
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32
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33 (defmethod frame-hash-multi String
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34 [image-name]
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35 (let [image+ (ImagePlus. image-name)]
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36 (frame-hash-multi image+)))
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37
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38 (defn frame-hash
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39 "yields a convienent representation for the pixles in an image.
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40 Because of the size of the structvre generated, this must only be used
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41 in a transient way so that java can do it's garbage collection."
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42 [something]
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43 (frame-hash-multi something))
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44
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45
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46 (def white {:r 255, :g 255, :b 255})
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47 (def black {:r 0, :g 0, :b 0})
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48
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49 (defn rgb-euclidian
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50 [{r1 :r g1 :g b1 :b} {r2 :r g2 :g b2 :b} ]
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51 (expt (+ (expt (- r1 r2) 2)
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52 (expt (- g1 g2) 2)
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53 (expt (- b1 b2) 2)) 0.5))
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54
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55 (defn b&w
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56 "turn everything strictly black or white"
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57 [window]
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58 (with-meta
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59 (zipmap
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60 (keys window)
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61 (map (fn [rgb]
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62 (if (> (rgb-euclidian rgb white) (rgb-euclidian rgb black))
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63 black white))
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64 (vals window))) (meta window)))
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65
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66 (defn frame-hash->bufferedImage
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67 [frame-hash]
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68 (let [data (meta frame-hash)
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69 image (BufferedImage. (:width data) (:height data) BufferedImage/TYPE_INT_BGR)]
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70
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71 (doall (for [element frame-hash]
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72 (let [coord (key element)
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73 rgb (val element)
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74 packed-RGB
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75 (+ (bit-shift-left (:r rgb) 16)
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76 (bit-shift-left (:g rgb) 8)
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77 (:b rgb))]
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78 (.setRGB image (first coord) (last coord) packed-RGB))))
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79 image))
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80
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81 (defmulti display "Creates a JFrame and displays a buffered image" class)
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82
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83 (defn- makePanel [image]
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84 (proxy [Panel] [] (paint [g] (.drawImage g image 0 0 nil))))
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85
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86 (defmethod display
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87 BufferedImage [image]
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88 (let [panel (makePanel image)
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89 frame (JFrame. "Oh Yeah!")]
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90 (.add frame panel)
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91 (.pack frame)
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92 (.setVisible frame true )
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93 (.setSize frame(.getWidth image) (.getHeight image))))
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94
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95 (defmethod display
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96 ImagePlus [image]
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97 (display (.getBufferedImage image)))
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98
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99 (defmethod display
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100 clojure.lang.PersistentHashMap [frame-hash]
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101 (display (frame-hash->bufferedImage frame-hash)))
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102
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103 (defmethod display
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104 clojure.lang.PersistentArrayMap [frame-hash]
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105 (display (frame-hash->bufferedImage frame-hash)))
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106
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107 (defn rotate [degrees #^ImagePlus image]
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108 (.rotate (.getChannelProcessor image) degrees)
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109 image)
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110
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111
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112 (defn-memo width [pic]
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113 (inc (first (last (sort (fn [[x0 y0] [x1 y1]] (> x1 x0)) (keys pic))))))
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114
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115 (defn-memo height [pic]
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116 (inc (last (last (sort (fn [[x0 y0] [x1 y1]] (> y1 y0)) (keys pic))))))
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117
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