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rgb-stitch.ey
executable file
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rgb-stitch.ey
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#!./loaded
bin .print "<=" via
{ _ ==s len <=un16 s cat } /string deffd
{ ==divisor _ 0 lt { neg divisor div neg } { divisor div } ? * } '00.0 /idiv deffd
sys .argv len 5 neq { "Usage: ./rgb-stitch.ey <μm cross size (try 2400 or 3600)> <line overlap promille (try 750)> <input.ppm (rgb, gimp .ppm, raw data formatting)> <output.vp3>" die } rep
sys .file ":" via
sys .file "<-" via
"Scale μm: " 1 sys .argv * txt .consume .u 100 div _ ==scale 100 mul txt .produce .u cat dump
"Overlap μm: " 2 sys .argv * txt .consume .u _ ==lineOverlap scale mul 1000 div 100 mul txt .produce .u cat dump
3 sys .argv * :open
<-truncating <-creating <-writeonly 4 sys .argv * <-open
0 ==imgHeight 0 ==imgWidth 0 ==imgMaxValue
<
16000000 :read ==data
data "\n" str .split =*lines
0 lines "P6" neq { "Not in P6 format" die } rep
2 lines " " str .split _ 0 -01 * txt .consume .u =imgWidth
1 -01 * txt .consume .u =imgHeight
3 lines txt .consume .u =imgMaxValue
"Width: " imgWidth txt .produce .u cat " Height: " cat imgHeight txt .produce .u cat dump
"MaxValue: " imgMaxValue txt .produce .u cat dump
"" 4 |lines len range { lines cat "\n" cat } each
> -- =*imgData
{ =*positions ==count
|positions len 1 sub 2 div ==middle
count |positions len gt { count dump |positions len dump "Count larger than position len" die } rep
[
count 10 gt { middle 5 sub positions } rep
count 8 gt { middle 4 sub positions } rep
count 6 gt { middle 3 sub positions } rep
count 4 gt { middle 2 sub positions } rep
count 2 gt { middle 1 sub positions } rep
count 0 gt { middle positions } rep
count 1 gt { middle 1 add positions } rep
count 3 gt { middle 2 add positions } rep
count 5 gt { middle 3 add positions } rep
count 7 gt { middle 4 add positions } rep
count 9 gt { middle 5 add positions } rep
]
} /selectPositions deffd
{ ==positions ==b ==g ==r =*stitch
r g add b add ==maxP
0 imgHeight range { ==y
"( " y txt .produce .u cat " / " cat imgHeight txt .produce .u cat " )\n" cat sys .out .writeall
y 2 mod not ==evenLine
scale evenLine not { neg } rep ==dx
scale ==dy
0 ==otherSide
0 imgWidth range { ==x
0 ==p # pixel value 0 - maxP
y imgWidth mul
evenLine { x } { imgWidth x sub 1 sub } ? * add 3 mul
_ 0 add imgData r mul imgMaxValue div p add =p
_ 1 add imgData g mul imgMaxValue div p add =p
2 add imgData b mul imgMaxValue div p add =p
p positions len 1 add mul maxP 1 add div # ==numberOfPositions
0 ==cx
positions selectPositions { dx mul 1000 idiv ==nx
# nx cx neq {
# nx cx sub 0 stitch
# } rep
# 0 dy otherSide { neg } rep stitch
nx cx sub dy 1000 lineOverlap add mul 1000 idiv otherSide { neg } rep stitch
otherSide not =otherSide
nx =cx
} each
dx cx neq {
dx cx sub 0 stitch
} rep
} each
otherSide {
0 dy lineOverlap mul 1000 idiv neg stitch
} {
0 dy stitch
} ? *
"\n" sys .out .writeall
} each
} /encodePixels deffd
0 ==xStart 0 ==yStart
0 ==minX 0 ==maxX 0 ==minY 0 ==maxY
{ =*producer ""
areaMeasureReset
[ 10 246 0 ] str .fromArray cat # unknown
==data
list ==collectedData
{
stitch data -01 cat =data
data len 4096 gt {
data collectedData .append1
"" =data
} rep
} producer
"" collectedData { cat } each data cat
} /rawStitchContent deffd
# r g b [ positions of possible crossing lines 0 - 1000 ]
# { { 255 0 0 [ 0 200 400 600 800 ] encodePixels } rawStitchContent } /rawStitchContentR deffd
# { { 0 255 0 [ 66 266 466 666 866 ] encodePixels } rawStitchContent } /rawStitchContentG deffd
# { { 0 0 255 [ 133 333 533 733 933 ] encodePixels } rawStitchContent } /rawStitchContentB deffd
{ { 255 0 0 [ 0 250 500 750 ] encodePixels } rawStitchContent } /rawStitchContentR deffd
{ { 0 255 0 [ 83 333 583 833 ] encodePixels } rawStitchContent } /rawStitchContentG deffd
{ { 0 0 255 [ 166 416 666 916 ] encodePixels } rawStitchContent } /rawStitchContentB deffd
< 0 ==x 0 ==y
{ xStart =x yStart =y }
{ ==dy ==dx
dx 128 neg gt dx 128 lt and
dy 128 neg gt dy 128 lt and and {
[ dx dy ] str .fromArray
} {
[ 128 1 ] str .fromArray dx <=sn16 dy <=sn16 [ 128 2 ] str .fromArray cat
} ? *
x dx add =x
y dy add =y
x minX lt { x =minX } rep
y minY lt { y =minY } rep
x maxX gt { x =maxX } rep
y maxY gt { y =maxY } rep
}
> -- /stitch deffd /areaMeasureReset deffd
rawStitchContentR { }_ =rawStitchContentR
rawStitchContentG { }_ =rawStitchContentG
rawStitchContentB { }_ =rawStitchContentB
maxX minX sub ==xSize
maxY minY sub ==ySize
{ ==b ==g ==r =*rawSource ==name ""
minX neg xSize 2 div sub 100 mul <=sn32 # start X-offset
minY neg ySize 2 div sub 100 mul neg <=sn32 # start Y-offset
[ 1 0 ] str .fromArray cat # unknown
r <=sn8 # red
g <=sn8 # green
b <=sn8 # blue
[ 0 0 0 5 40 ] str .fromArray cat # unknown
"1234" string # unknown numeric string
name string # unknown what values are acceptable
"Thread type" string # "Robison-Anton Rayon 40" in all generated files
0 <=sn32 # start x offset for next color
0 <=sn32 # start y offset for next color
"\0" string
rawSource _ len "" -01 <=un32 -01 cat cat
} /stitchContentRGB deffd
{ "Red" |rawStitchContentR 255 0 0 stitchContentRGB } /stitchContentR deffd
{ "Green" |rawStitchContentG 0 255 0 stitchContentRGB } /stitchContentG deffd
{ "Blue" |rawStitchContentB 0 0 255 stitchContentRGB } /stitchContentB deffd
{ ""
0 <=sn32 # origin X
0 <=sn32 # origin Y
[ 0 0 0 ] str .fromArray cat # unknown
xSize 100 mul 2 div <=sn32
ySize 100 mul 2 div <=sn32
xSize 100 mul 2 div neg <=sn32
ySize 100 mul 2 div neg <=sn32
xSize 100 mul <=sn32
ySize 100 mul <=sn32
"Yet another comment" string
25700 <=un16 # unknown
4096 <=un32 # unknown
0 <=un32 # unknown
0 <=un32 # unknown
4096 <=un32 # unknown
"xxPP\0" cat # stitch section header
"Yet another vendor string" string
3 <=un16 # number of colors
[ 0 5 0 ] str .fromArray cat # unknown
stitchContentR _ len 1 add "" -01 <=un32 -01 cat cat
[ 0 0 5 0 ] str .fromArray cat # unknown
stitchContentG _ len 1 add "" -01 <=un32 -01 cat cat
[ 0 0 5 0 ] str .fromArray cat # unknown
stitchContentB _ len 1 add "" -01 <=un32 -01 cat cat
} /innerContent deffd
{ ""
"File comments go here (or don't)" string
xSize 100 mul 2 div <=sn32
ySize 100 mul 2 div <=sn32
xSize 100 mul 2 div neg <=sn32
ySize 100 mul 2 div neg <=sn32
[ 0 0 122 134 ] str .fromArray cat # TODO thread length (ahem)
[ 0 ] str .fromArray cat # unknown
3 <=un8 # number of colors
[ 12 0 1 0 3 0 ] str .fromArray cat # unknown
innerContent _ len "" -01 <=un32 -01 cat cat
} /mainContent deffd
"%vsm%\0"
"Stratum 0 Embroidery Hack\0" string
[ 0 2 0 ] str .fromArray cat # unknown
mainContent _ len "" -01 <=un32 -01 cat cat
<-writeall
:close
<-close
# vim: syn=elymas