mihlit@mihlit.cz
14676ab361
Compiler can change position of start/end splash markers or even optimize-out them completely, because they are not used in the fw. Make them part of the splash data block, so their possition is always correct. util/xbm2lbm was changed together with other c "images" to make it consitent.
52 lines
857 B
Ruby
52 lines
857 B
Ruby
#! /usr/bin/env ruby
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require 'pp'
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def main(xbm)
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base=xbm.sub(/\.xbm/,"")
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cols,rows=1,1
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if base.sub! /_(\d+)x(\d+)/,""
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rows,cols = $1.to_i,$2.to_i
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end
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File.read(xbm)=~/_width\s+(\d+).*_height\s+(\d+).*\{(.*)\}/m
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w,h,bits=$1.to_i,$2.to_i,$3
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bits=eval "["+bits+"]"
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#pp w,h,bits
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wb=(w+7)/8
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hb=(h+7)/8
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out=Array.new(w*hb,0)
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#pp out
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h.times{|yp| yb=yp/8; msk= 1 << (yp%8)
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w.times{|xp| xb=xp/8; msk2=1 << (xp%8)
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out[yb*w+xp]|=msk if bits[wb*yp+xb]&msk2 != 0
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}
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}
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#pp out
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#prog_uchar img_4sticks_18x8[] = {
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##include "sticks_lcd.h"
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#};
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File.open("#{base}.lbm","w"){|f|
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col=0
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f.printf("%d,%d,\n",w/cols,h/rows)
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rows.times{|row|
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(hb/rows).times{|yb| yb
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w.times{|xp|
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f.printf("0x%02x,",out[row*w + yb*w + xp])
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}
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f.puts
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}
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}
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}
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end
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main(ARGV[0])
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