1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/StringIO	Tue Jan 17 09:21:45 2017 +0100
     1.3 @@ -0,0 +1,458 @@
     1.4 +%!PS-Adobe-3.0
     1.5 +%%Creator: (ImageMagick)
     1.6 +%%Title: (StringIO)
     1.7 +%%CreationDate: (2016-03-09T10:39:22+01:00)
     1.8 +%%BoundingBox: 706 146 740 214
     1.9 +%%HiResBoundingBox: 706 146 740 214
    1.10 +%%DocumentData: Clean7Bit
    1.11 +%%LanguageLevel: 1
    1.12 +%%Orientation: Portrait
    1.13 +%%PageOrder: Ascend
    1.14 +%%Pages: 1
    1.15 +%%EndComments
    1.16 +
    1.17 +%%BeginDefaults
    1.18 +%%EndDefaults
    1.19 +
    1.20 +%%BeginProlog
    1.21 +%
    1.22 +% Display a color image.  The image is displayed in color on
    1.23 +% Postscript viewers or printers that support color, otherwise
    1.24 +% it is displayed as grayscale.
    1.25 +%
    1.26 +/DirectClassPacket
    1.27 +{
    1.28 +  %
    1.29 +  % Get a DirectClass packet.
    1.30 +  %
    1.31 +  % Parameters:
    1.32 +  %   red.
    1.33 +  %   green.
    1.34 +  %   blue.
    1.35 +  %   length: number of pixels minus one of this color (optional).
    1.36 +  %
    1.37 +  currentfile color_packet readhexstring pop pop
    1.38 +  compression 0 eq
    1.39 +  {
    1.40 +    /number_pixels 3 def
    1.41 +  }
    1.42 +  {
    1.43 +    currentfile byte readhexstring pop 0 get
    1.44 +    /number_pixels exch 1 add 3 mul def
    1.45 +  } ifelse
    1.46 +  0 3 number_pixels 1 sub
    1.47 +  {
    1.48 +    pixels exch color_packet putinterval
    1.49 +  } for
    1.50 +  pixels 0 number_pixels getinterval
    1.51 +} bind def
    1.52 +
    1.53 +/DirectClassImage
    1.54 +{
    1.55 +  %
    1.56 +  % Display a DirectClass image.
    1.57 +  %
    1.58 +  systemdict /colorimage known
    1.59 +  {
    1.60 +    columns rows 8
    1.61 +    [
    1.62 +      columns 0 0
    1.63 +      rows neg 0 rows
    1.64 +    ]
    1.65 +    { DirectClassPacket } false 3 colorimage
    1.66 +  }
    1.67 +  {
    1.68 +    %
    1.69 +    % No colorimage operator;  convert to grayscale.
    1.70 +    %
    1.71 +    columns rows 8
    1.72 +    [
    1.73 +      columns 0 0
    1.74 +      rows neg 0 rows
    1.75 +    ]
    1.76 +    { GrayDirectClassPacket } image
    1.77 +  } ifelse
    1.78 +} bind def
    1.79 +
    1.80 +/GrayDirectClassPacket
    1.81 +{
    1.82 +  %
    1.83 +  % Get a DirectClass packet;  convert to grayscale.
    1.84 +  %
    1.85 +  % Parameters:
    1.86 +  %   red
    1.87 +  %   green
    1.88 +  %   blue
    1.89 +  %   length: number of pixels minus one of this color (optional).
    1.90 +  %
    1.91 +  currentfile color_packet readhexstring pop pop
    1.92 +  color_packet 0 get 0.299 mul
    1.93 +  color_packet 1 get 0.587 mul add
    1.94 +  color_packet 2 get 0.114 mul add
    1.95 +  cvi
    1.96 +  /gray_packet exch def
    1.97 +  compression 0 eq
    1.98 +  {
    1.99 +    /number_pixels 1 def
   1.100 +  }
   1.101 +  {
   1.102 +    currentfile byte readhexstring pop 0 get
   1.103 +    /number_pixels exch 1 add def
   1.104 +  } ifelse
   1.105 +  0 1 number_pixels 1 sub
   1.106 +  {
   1.107 +    pixels exch gray_packet put
   1.108 +  } for
   1.109 +  pixels 0 number_pixels getinterval
   1.110 +} bind def
   1.111 +
   1.112 +/GrayPseudoClassPacket
   1.113 +{
   1.114 +  %
   1.115 +  % Get a PseudoClass packet;  convert to grayscale.
   1.116 +  %
   1.117 +  % Parameters:
   1.118 +  %   index: index into the colormap.
   1.119 +  %   length: number of pixels minus one of this color (optional).
   1.120 +  %
   1.121 +  currentfile byte readhexstring pop 0 get
   1.122 +  /offset exch 3 mul def
   1.123 +  /color_packet colormap offset 3 getinterval def
   1.124 +  color_packet 0 get 0.299 mul
   1.125 +  color_packet 1 get 0.587 mul add
   1.126 +  color_packet 2 get 0.114 mul add
   1.127 +  cvi
   1.128 +  /gray_packet exch def
   1.129 +  compression 0 eq
   1.130 +  {
   1.131 +    /number_pixels 1 def
   1.132 +  }
   1.133 +  {
   1.134 +    currentfile byte readhexstring pop 0 get
   1.135 +    /number_pixels exch 1 add def
   1.136 +  } ifelse
   1.137 +  0 1 number_pixels 1 sub
   1.138 +  {
   1.139 +    pixels exch gray_packet put
   1.140 +  } for
   1.141 +  pixels 0 number_pixels getinterval
   1.142 +} bind def
   1.143 +
   1.144 +/PseudoClassPacket
   1.145 +{
   1.146 +  %
   1.147 +  % Get a PseudoClass packet.
   1.148 +  %
   1.149 +  % Parameters:
   1.150 +  %   index: index into the colormap.
   1.151 +  %   length: number of pixels minus one of this color (optional).
   1.152 +  %
   1.153 +  currentfile byte readhexstring pop 0 get
   1.154 +  /offset exch 3 mul def
   1.155 +  /color_packet colormap offset 3 getinterval def
   1.156 +  compression 0 eq
   1.157 +  {
   1.158 +    /number_pixels 3 def
   1.159 +  }
   1.160 +  {
   1.161 +    currentfile byte readhexstring pop 0 get
   1.162 +    /number_pixels exch 1 add 3 mul def
   1.163 +  } ifelse
   1.164 +  0 3 number_pixels 1 sub
   1.165 +  {
   1.166 +    pixels exch color_packet putinterval
   1.167 +  } for
   1.168 +  pixels 0 number_pixels getinterval
   1.169 +} bind def
   1.170 +
   1.171 +/PseudoClassImage
   1.172 +{
   1.173 +  %
   1.174 +  % Display a PseudoClass image.
   1.175 +  %
   1.176 +  % Parameters:
   1.177 +  %   class: 0-PseudoClass or 1-Grayscale.
   1.178 +  %
   1.179 +  currentfile buffer readline pop
   1.180 +  token pop /class exch def pop
   1.181 +  class 0 gt
   1.182 +  {
   1.183 +    currentfile buffer readline pop
   1.184 +    token pop /depth exch def pop
   1.185 +    /grays columns 8 add depth sub depth mul 8 idiv string def
   1.186 +    columns rows depth
   1.187 +    [
   1.188 +      columns 0 0
   1.189 +      rows neg 0 rows
   1.190 +    ]
   1.191 +    { currentfile grays readhexstring pop } image
   1.192 +  }
   1.193 +  {
   1.194 +    %
   1.195 +    % Parameters:
   1.196 +    %   colors: number of colors in the colormap.
   1.197 +    %   colormap: red, green, blue color packets.
   1.198 +    %
   1.199 +    currentfile buffer readline pop
   1.200 +    token pop /colors exch def pop
   1.201 +    /colors colors 3 mul def
   1.202 +    /colormap colors string def
   1.203 +    currentfile colormap readhexstring pop pop
   1.204 +    systemdict /colorimage known
   1.205 +    {
   1.206 +      columns rows 8
   1.207 +      [
   1.208 +        columns 0 0
   1.209 +        rows neg 0 rows
   1.210 +      ]
   1.211 +      { PseudoClassPacket } false 3 colorimage
   1.212 +    }
   1.213 +    {
   1.214 +      %
   1.215 +      % No colorimage operator;  convert to grayscale.
   1.216 +      %
   1.217 +      columns rows 8
   1.218 +      [
   1.219 +        columns 0 0
   1.220 +        rows neg 0 rows
   1.221 +      ]
   1.222 +      { GrayPseudoClassPacket } image
   1.223 +    } ifelse
   1.224 +  } ifelse
   1.225 +} bind def
   1.226 +
   1.227 +/DisplayImage
   1.228 +{
   1.229 +  %
   1.230 +  % Display a DirectClass or PseudoClass image.
   1.231 +  %
   1.232 +  % Parameters:
   1.233 +  %   x & y translation.
   1.234 +  %   x & y scale.
   1.235 +  %   label pointsize.
   1.236 +  %   image label.
   1.237 +  %   image columns & rows.
   1.238 +  %   class: 0-DirectClass or 1-PseudoClass.
   1.239 +  %   compression: 0-none or 1-RunlengthEncoded.
   1.240 +  %   hex color packets.
   1.241 +  %
   1.242 +  gsave
   1.243 +  /buffer 512 string def
   1.244 +  /byte 1 string def
   1.245 +  /color_packet 3 string def
   1.246 +  /pixels 768 string def
   1.247 +
   1.248 +  currentfile buffer readline pop
   1.249 +  token pop /x exch def
   1.250 +  token pop /y exch def pop
   1.251 +  x y translate
   1.252 +  currentfile buffer readline pop
   1.253 +  token pop /x exch def
   1.254 +  token pop /y exch def pop
   1.255 +  currentfile buffer readline pop
   1.256 +  token pop /pointsize exch def pop
   1.257 +  /Times-Roman findfont pointsize scalefont setfont
   1.258 +  x y scale
   1.259 +  currentfile buffer readline pop
   1.260 +  token pop /columns exch def
   1.261 +  token pop /rows exch def pop
   1.262 +  currentfile buffer readline pop
   1.263 +  token pop /class exch def pop
   1.264 +  currentfile buffer readline pop
   1.265 +  token pop /compression exch def pop
   1.266 +  class 0 gt { PseudoClassImage } { DirectClassImage } ifelse
   1.267 +  grestore
   1.268 +  showpage
   1.269 +} bind def
   1.270 +%%EndProlog
   1.271 +%%Page:  1 1
   1.272 +%%PageBoundingBox: 706 146 740 214
   1.273 +DisplayImage
   1.274 +706 146
   1.275 +34 68
   1.276 +12
   1.277 +34 68
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