104 lines
2.0 KiB
PHP
104 lines
2.0 KiB
PHP
<?php
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/*
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component-common.php
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(c) andreika, 2017.
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*/
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// convert 'mil' coords to pixel coords
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function convertCoords($coord, $side)
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{
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global $pcbDims, $imgDims;
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// the bottom layer is on the right
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$offs = $side * 2;
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if (count($coord) == 1) // this is size, not coords
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{
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$i = 0;
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$coord[$i] = ($coord[$i]) / ($pcbDims[1][$i] - $pcbDims[0][$i]);
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$coord[$i] = $coord[$i] * ($imgDims[1][$i] - $imgDims[0][$i]);
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$coord[$i] = round($coord[$i]);
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return $coord;
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}
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for ($i = 0; $i < 2; $i++)
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{
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if (!isset($coord[$i]))
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continue;
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$coord[$i] = ($coord[$i] - $pcbDims[0][$i]) / ($pcbDims[1][$i] - $pcbDims[0][$i]);
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$coord[$i] = $coord[$i] * ($imgDims[1+$offs][$i] - $imgDims[0+$offs][$i]) + $imgDims[0+$offs][$i];
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$coord[$i] = round($coord[$i]);
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}
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return $coord;
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}
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// process values
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function readField($type, $d)
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{
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if ($type == "x" || $type == "y" || $type == "w" || $type == "h")
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{
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if (preg_match("/([0-9\.]+)mil/", $d, $ret))
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{
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$d = floatval($ret[1]);
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} else
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{
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// convert mm to mils :-(
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$d = floatval($d) * 39.37007874;
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}
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}
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if ($type == "l")
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{
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// bottom layer - used as offset
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$d = ($d == "B") ? 1 : 0;
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}
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return $d;
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}
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// read CSV file
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function read_csv($fname)
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{
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global $fields;
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$data = @file($fname);
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$arr = array();
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$legend = array();
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$i = 0;
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foreach ($data as $d)
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{
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$r = preg_match_all("/\"([^\"\r\n]*)\"[;, ]?/", $d, $ret);
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if (!$r)
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$r = preg_match_all("/([^;,\r\n]*)[;,]?[\r\n]*/", $d, $ret);
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if ($r)
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{
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$line = array();
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$j = 0;
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foreach ($ret[1] as $r)
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{
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if ($i == 0) // header
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{
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foreach ($fields as $f=>$fn)
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{
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if ($r == $fn)
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$legend[$f] = $j;
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}
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}
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else if ($r != "")
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{
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foreach ($legend as $k=>$l)
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{
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if ($j == $l)
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$line[$k] = readField($k, $r);
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}
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}
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$j++;
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}
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if (array_key_exists("d", $line))
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$arr[] = $line;
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}
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$i++;
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}
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return $arr;
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}
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?>
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