137 lines
3.0 KiB
Bash
Executable File
137 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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###########
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# Splits a panorama image into overlapping panels of the correct size.
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#
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# Note that this is _very_ preliminary, doing the fading/overlapping in a
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# very naive linear manner.
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infile="$1"
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outfile="$2"
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model="$3"
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printsize="$4"
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if [ -z "$5" ] ; then
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dpi=300
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else
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dpi="$5"
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fi
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# D90
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case "${model}" in
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mitsubishi-d90dw)
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cols=1852
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drows=2428
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overlap=600
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if [ "${printsize}" eq "6x20" ] ; then
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inrows=6084
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elif [ "${printsize}" eq "6x14" ] ; then
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inrows=4256
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else
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echo "D90 supportx 6x20 and 6x14 only"
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exit 1
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fi
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;;
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dnp-ds620)
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cols=1844
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drows=2436
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overlap=600
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if [ "${printsize}" eq "6x20" ] ; then
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inrows=6108
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elif [ "${printsize}" eq "6x14" ] ; then
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inrows=4272
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else
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echo "DS620 supportx 6x20 and 6x14 only"
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exit 1
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fi
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;;
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dnp-ds820)
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overlap=600
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cols=2448
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if [ "${printsize}" eq "8x18" ] ; then
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drows=3036
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inrows=5472
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elif [ "${printsize}" eq "8x26" ] ; then
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drows=3036
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inrows=7908
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elif [ "${printsize}" eq "8x22" ] ; then
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drows=3636
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inrows=6672
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elif [ "${printsize}" eq "8x32" ] ; then
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drows=3636
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inrows=9708
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else
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echo "DS820 supportx 8x18, 8x26, 8x22, and 8x32 only"
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fi
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;;
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*)
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echo "Unsupported model!"
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exit 1
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;;
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esac
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# For 600dpi, double everything!
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if [ ${dpi} == 600 ] ; then
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overlap=`expr ${overlap} * 2`
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cols=`expr ${cols} * 2`
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drows=`expr ${drows} * 2`
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inrows=`expr ${inrows} * 2`
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fi
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# Calculate page count XXX is this sane?
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pages=`expr ${drows} - ${overlap}`
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pages=`expr ${inrows} / ${pages}`
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# Create gradients
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fadeinname=fade_in_${cols}.pgm
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fadeoutname=fade_out_${cols}.pgm
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gm convert -size ${cols}x${overlap} gradient:white-black ${fadeinname}
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gm convert -size ${cols}x${overlap} gradient:black-white ${fadeoutname}
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# Generate panels
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src_offset=0
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panels=''
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for panel in `seq 1 ${pages}` ; do
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echo "generating $panel / $pages"
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panelname=panel_${panel}.ppm
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panels="${panels} ${panelname}"
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# Generate panel
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gm convert ${infile} -crop ${cols}x${drows}+0+${src_offset} ${panelname}
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# Increment offset
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src_offset=`expr ${src_offset} + ${drows}`;
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src_offset=`expr ${src_offset} - ${overlap}`;
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# First page fades out only
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if [ ${panel} == 1 ] ; then
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gm composite -compose screen -gravity south ${fadeoutname} ${panelname} ${panelname}
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fi
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# Middle pages fade in and out
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if [ ${panel} -gt 1 ] ; then
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if [ ${panel} -lt ${pages} ] ; then
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gm composite -compose screen -gravity south ${fadeoutname} ${panelname} ${panelname}
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fi
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fi
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if [ ${panel} -gt 1 ] ; then
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if [ ${panel} -lt ${pages} ] ; then
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gm composite -compose screen -gravity north ${fadeinname} ${panelname} ${panelname}
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fi
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fi
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# Last page fades in only
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if [ ${panel} == ${pages} ] ; then
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gm composite -compose screen -gravity north ${fadeinname} ${panelname} ${panelname}
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fi
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done
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# Clean up templates
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rm ${fadeinname} ${fadeoutname}
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## Create PDF
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gm convert -density ${dpi}x${dpi} ${panels} ${outfile}
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