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1 (ns laser.rasterize)
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2
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3 (import '(java.io File))
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4 (import '(org.apache.commons.io FileUtils))
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5 (import '(javax.imageio ImageIO) )
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6 (import '(javax.swing JFrame))
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7 (import '(java.awt Color BorderLayout))
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8 (import '(ij ImagePlus IJ))
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9 (import '(java.lang Math))
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10
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11 (import '(ij Macro))
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12
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13 (import '(java.io BufferedReader InputStreamReader))
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14 (import '(java.awt.image BufferedImage))
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15
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16 (use 'clojure.contrib.str-utils)
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17
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18 (use 'clojure.contrib.combinatorics)
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19
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20
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21 (use 'clojure.contrib.repl-utils)
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22
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23 (set! *print-length* 20)
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24
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25
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26 (def img "/home/r/graster/test.png")
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27
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28
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29 (def feed 120)
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30 (def dpi [500, 500])
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31 (def on_range [0.0, 0.5])
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32 (def overshoot 0.5)
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33 (def offset [1.0, 1.0])
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34 (def tiles [1, 1])
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35 (def tile_size [false, false])
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36 (def tile_spacing [0.125, 0.125])
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37 (def feed 120)
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38 (def cut_feed 20)
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39 (def corner_radius 0)
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40
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41
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42
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43
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44 (defn raster-preamble []
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45 (str-join \newline
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46 ["M63 P0\nG61"
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47 (str \F feed)
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48 "M101"
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49 "M3 S1"]))
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50
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51
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52
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53 (defn frame-hash
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54 "yields a convienent representation for the pixles in an image.
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55 Because of the size of the structvre generated, this must only be used
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56 in a transient way so that java can do it's garbage collection."
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57 [#^java.lang.String image-name]
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58 (let [image+ (ImagePlus. image-name)]
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59 (with-meta
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60 (let [buf (.. image+ getBufferedImage)
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61 color (.getColorModel buf)]
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62 (apply hash-map
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63 (interleave
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64 (doall (for [x (range (.getWidth image+)) y (range (.getHeight image+))]
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65 (vector x y)))
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66 (doall (for [x (range (.getWidth image+)) y (range (.getHeight image+))]
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67 (let [data (.getRGB buf x y)]
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68 (hash-map :r (bit-shift-right (bit-and 0xff0000 data) 16)
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69 :g (bit-shift-right (bit-and 0x00ff00 data) 8)
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70 :b (bit-and 0x0000ff data))))))))
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71 {:width (.getWidth image+) :height (.getHeight image+)})))
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72
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73
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74 (def white {:r 255, :g 255, :b 255})
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75 (def black {:r 0, :g 0, :b 0})
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76
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77 (def expt #(Math/pow %1 %2))
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78
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79 (defn rgb-euclidian
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80 [{r1 :r g1 :g b1 :b} {r2 :r g2 :g b2 :b} ]
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81 (expt (+ (expt (- r1 r2) 2)
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82 (expt (- g1 g2) 2)
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83 (expt (- b1 b2) 2)) 0.5))
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84
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85 (defn b&w
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86 "turn everything strictly black or white"
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87 [window]
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88 (with-meta
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89 (zipmap
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90 (keys window)
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91 (map (fn [rgb]
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92 (if (> (rgb-euclidian rgb white) (rgb-euclidian rgb black))
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93 black white))
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94 (vals window))) (meta window)))
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95
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96
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97
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98
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99
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100
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101
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102
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103
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104
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105
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106
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107
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108
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109
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110 (defn frame-hash->bufferedImage
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111 [frame-hash]
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112 (let [data (meta frame-hash)
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113 image (BufferedImage. (:width data) (:height data) BufferedImage/TYPE_INT_BGR)]
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114
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115 (doall (for [element frame-hash]
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116 (let [coord (key element)
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117 rgb (val element)
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118 packed-RGB
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119 (+ (bit-shift-left (:r rgb) 16)
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120 (bit-shift-left (:g rgb) 8)
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121 (:b rgb))]
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122 (.setRGB image (first coord) (last coord) packed-RGB))))
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123 image))
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124
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125
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126
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