Mercurial > louis > kiibohd-controller

annotate Scan/STLcd/bitmap2Struct.py @ 399:3437e2246259

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Merge pull request #73 from joshuaflanagan/example_script_variables Stop requiring editing of example scripts
author Jacob Alexander <haata@kiibohd.com>
date Tue, 10 Nov 2015 11:24:03 -0800
parents cba3cefc6e56 63b1d003fd50
children
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1 #!/usr/bin/env python3
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2
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3 # Copyright (C) 2015 by Jacob Alexander
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4 #
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5 # This file is free software: you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation, either version 3 of the License, or
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8 # (at your option) any later version.
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9 #
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10 # This file 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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14 #
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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 file. If not, see <http://www.gnu.org/licenses/>.
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17
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18 # Imports
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19 import sys
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20
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21 from array import *
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22 from PIL import Image # Use pillow instead of PIL, it works with Python 3
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23
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24
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25 # Convenience class to deal with converting images to a C array
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26 class STLcdGraphic:
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27 # Some constants for the LCD Driver
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28 page_width = 8
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29 page_max_length = 132
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30
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31 array('B')
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32
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33 def __init__( self, height, width ):
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34 self.height = height
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35 self.width = width
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36
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37 # Calculate number of pages
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38 self.page_count = int( self.height / self.page_width )
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39 self.page_length = self.width
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40
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41 # Initialize pages to 0's
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42 self.page_data = []
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43 for page in range( 0, self.page_count ):
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44 self.page_data.append( array( 'B', [0] * self.page_length ) )
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45
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46 def setpixel( self, x, y ):
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47 # Calculate which page
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48 page = int( ( self.height - y ) / self.page_width )
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49
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50 if page == 4:
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51 print("YAR", (x,y))
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52
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53 # Calculate which byte
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54 byte = x
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55
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56 # Calculate which bit
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57 bit = int( ( self.height - y ) % self.page_width )
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58
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59 # Set pixel bit
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60 self.page_data[ page ][ byte ] |= (1 << bit)
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61
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62 def getpage( self, page ):
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63 return self.page_data[ page ]
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64
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65 def getarray( self ):
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66 struct = "{\n"
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67
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68 for page in range( 0, self.page_count ):
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69 for elem in self.page_data[ page ]:
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70 struct += "0x{0:02x}, ".format( elem )
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71
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72 if page != self.page_count - 1:
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73 struct += "\n"
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74
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75 struct += "\n}"
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76
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77 return struct
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78
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79 # Prints out what the image will look like on the display
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80 def preview( self ):
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81 # Top border first
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82 display = "+"
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83 for pixel in range( 0, self.width ):
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84 display += "-"
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85 display += "+\n"
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86
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87 # Each Page
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88 for page in range( self.page_count - 1, -1, -1 ):
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89 # Each Bit (Line)
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90 for line in range( 7, -1, -1 ):
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91 # Border
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92 display += "|"
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93
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94 # Each Byte (Column/Pixel)
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95 for byte in range( 0, self.width ):
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96 if self.page_data[ page ][ byte ] & (1 << line):
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97 display += "*"
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98 else:
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99 display += " "
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100
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101 # Border
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102 display += "|\n"
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103
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104 # Bottom border
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105 display += "+"
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106 for pixel in range( 0, self.width ):
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107 display += "-"
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108 display += "+\n"
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109
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110 return display
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111
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112
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113 filename = sys.argv[1]
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114 if filename is None:
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115 print( "You must specify a bitmap filename. Try './bitmap2Struct.py ic_logo_lcd.bmp'" )
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116 sys.exit( 1 )
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117 max_height = 32
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118 max_width = 128
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119 x_offset = 0
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120 y_offset = 0
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121 output_image = STLcdGraphic( max_height, max_width )
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122
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123
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124
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125 # Load the input filename and convert to black & white
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126 try:
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127 input_image = Image.open( filename ).convert('1')
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128 except:
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129 print( "Unable to load image '{0}'".format( filename ) )
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130
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131 # Check the image size to see if within the bounds of the display
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132 if input_image.size[0] > max_width or input_image.size[1] > max_height:
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133 print( "ERROR: '{0}:{1}' is too large, must be no larger than {2}x{3}".format(
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134 filename,
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135 ( input_image.format, input_image.size, input_image.mode ),
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136 max_width,
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137 max_height )
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138 )
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139 sys.exit( 1 )
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140
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141 # Center the image
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142 height_start = int( ( max_height - input_image.size[1] ) / 2 )
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143 height_end = int( height_start + input_image.size[1] )
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144 width_start = int( ( max_width - input_image.size[0] ) / 2 )
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145 width_end = int( width_start + input_image.size[0] )
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146
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147 #print( height_start )
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148 #print( height_end )
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149 #print( width_start )
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150 #print( width_end )
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151
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152 # Iterate over all of the pixels
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153 # Also prepare the debug view of the image (disp_test)
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154 disp_test = "+"
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155 for pixel in range( 0, max_width ):
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156 disp_test += "-"
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157 disp_test += "+\n"
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158
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159 for y in range( 0, max_height ):
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160 disp_test += "|"
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161
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162 # Check if within height range
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163 if not ( y >= height_start and y < height_end ):
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164 disp_test += " " * max_width + "|\n|"
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165 continue
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166
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167 for x in range( 0, max_width ):
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168 # Check if within width range
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169 if not ( x >= width_start and x < width_end ):
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170 disp_test += " "
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171 continue
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172
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173 # Use image value to determine pixel
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174 try:
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175 if input_image.getpixel( (x - width_start, y - height_start) ) == 0:
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176 disp_test += "*"
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177 output_image.setpixel( x, y + 1 ) # +1 is due to page boundary
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178 else:
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179 disp_test += " "
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180 except IndexError:
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181 print( (x - width_start,y - height_start) )
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182 pass
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183
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184 disp_test += "|\n"
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185
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186 disp_test += "+"
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187 for pixel in range( 0, max_width ):
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188 disp_test += "-"
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189 disp_test += "+\n"
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190
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191 # BMP Conversion preview
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192 print( disp_test )
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193
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194
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195 print ( output_image.preview() )
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196 #print ()
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197 print( "uint8_t array[] = {0};".format( output_image.getarray() ) )
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198