imagemagick-autocrop.txt

& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert imgage.jpg +repage out.mpc

copy out.cache => in.cache
copy out.mpc => in.mpc

make backgroundcolor transparent and the rest red
& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert in.mpc -fuzz 6% -fill none -bordercolor white -border 1x1 -draw "alpha 0,0 floodfill" -shave 1x1 out1.mpc

remove the background and replace the remaining image with red
& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert out1.mpc -fuzz 6% -fill red +opaque none -background black -alpha background TMP2.mpc

for each...
	Get color by x,y coordinate
	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP2.mpc -channel rgba -alpha on -format "%[pixel:u.p{x,y}]" info:
	example: & "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP2.mpc -channel rgba -alpha on -format "%[pixel:u.p{100,100}]" info: => red

	When a red pixel is found, e.g. @100,100, floodfill it wiht white
	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP2.mpc -channel rgba -alpha on -fill white -draw "color 100,100 floodfill" TMP3.mpc

	fill all pixels that are not white with transparecncy and then turn transparency off so that all that is not white becomes black
	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP3.mpc -channel rgba -alpha on -fill none +opaque white -alpha off TMP3A.mpc

	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP3A.mpc -trim -fill white -opaque black TMP3B.mpc

	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP3A.mpc TMP3B.mpc -flatten TMP4.mpc

	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert imgage.jpg TMP4.mpc -compose multiply -composite -trim photo-1.jpg
	ODER mit deskew
	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert imgage.jpg TMP4.mpc -compose multiply -fuzz 6% -composite -trim -deskew 40% -trim +repage photo-1.jpg

	remove the prcoessed red part
	& "C:\Program Files\ImageMagick-7.0.8-Q16\magick.exe" convert TMP3.mpc -channel rgba -alpha on -fill none -opaque white TMP2.mpc