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February 19, 2020 09:12
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LaMetric Time icon overlayer in PHP
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| <?php | |
| // This file defines the function lametricFormatNumber which accepts a filepath to an 8x8px PNG and string. | |
| // The general idea is that an 8-digit number can be displayed on the LaMetric without scrolling by overlaying | |
| // the left-most digit over the icon. By providing your desired icon PNG file(GIFs for animated icons not yet | |
| // supported) and number to lametricFormatNumber, you will recieve as output your icon and number, with the first | |
| // digit overlaid on the icon if the number has 8 or more digits. The alphabet A-Z is also included, however does not | |
| // work as well, as the letters I, M, N, Q and W deviate from the 3-pixel width of all the other characters and digits. | |
| // Theoretically, a 9-digit number could also be displayed as there is enough room on top of the icon, however then there | |
| // won't be much room left for the actual icon, so it's not really worth it. At the end of this file is an example json | |
| // output in LaMetric time format using the function. | |
| $lametricFont = array( | |
| "A" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "B" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(6, 5), array(7, 2), array(7, 4)), | |
| "C" => array(array(5, 2), array(5, 3), array(5, 4), array(6, 1), array(6, 5), array(7, 2), array(7, 4)), | |
| "D" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 5), array(7, 2), array(7, 3), array(7, 4)), | |
| "E" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(6, 5), array(7, 1), array(7, 3), array(7, 5)), | |
| "F" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(7, 1), array(7, 3)), | |
| "G" => array(array(5, 2), array(5, 3), array(5, 4), array(6, 1), array(6, 5), array(7, 1), array(7, 3), array(7, 4), array(7, 5)), | |
| "H" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 3), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "I" => array(array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "J" => array(array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(6, 5), array(5, 4)), | |
| "K" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 3), array(7, 1), array(7, 2), array(7, 4), array(7, 5)), | |
| "L" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 5), array(7, 5)), | |
| "M" => array(array(3, 1), array(3, 2), array(3, 3), array(3, 4), array(3, 5), array(4, 2), array(5, 3), array(6, 2), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "N" => array(array(4, 1), array(4, 2), array(4, 3), array(4, 4), array(4, 5), array(5, 2), array(6, 3), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "O" => array(array(5, 2), array(5, 3), array(5, 4), array(6, 1), array(6, 5), array(7, 2), array(7, 3), array(7, 4)), | |
| "P" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(7, 1), array(7, 2)), | |
| "Q" => array(array(4, 2), array(4, 3), array(4, 4), array(5, 1), array(5, 5), array(6, 2), array(6, 3), array(6, 4), array(6, 5), array(7, 5)), | |
| "R" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(7, 1), array(7, 2), array(7, 4), array(7, 5)), | |
| "S" => array(array(7, 1), array(6, 1), array(5, 1), array(5, 2), array(5, 3), array(6, 3), array(7, 3), array(7, 4), array(7, 5), array(6, 5), array(5, 5)), | |
| "T" => array(array(5, 1), array(6, 1), array(7, 1), array(6, 2), array(6, 3), array(6, 4), array(6, 5)), | |
| "U" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "V" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4)), | |
| "W" => array(array(3, 1), array(3, 2), array(3, 3), array(3, 4), array(4, 5), array(5, 4), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4)), | |
| "X" => array(array(5, 1), array(5, 2), array(5, 4), array(5, 5), array(6, 3), array(7, 1), array(7, 2), array(7, 4), array(7, 5)), | |
| "Y" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 5), array(6, 3), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4)), | |
| "Z" => array(array(5, 1), array(6, 1), array(7, 1), array(7, 2), array(6, 3), array(5, 4), array(5, 5), array(6, 5), array(7, 5)), | |
| "1" => array(array(5, 2), array(5, 5), array(6, 1), array(6, 2), array(6, 3), array(6, 4), array(6, 5), array(7, 5)), | |
| "2" => array(array(7, 1), array(6, 1), array(5, 1), array(7, 2), array(5, 3), array(6, 3), array(7, 3), array(5, 4), array(7, 5), array(6, 5), array(5, 5)), | |
| "3" => array(array(7, 1), array(6, 1), array(5, 1), array(7, 2), array(5, 3), array(6, 3), array(7, 3), array(7, 4), array(7, 5), array(6, 5), array(5, 5)), | |
| "4" => array(array(5, 1), array(5, 2), array(5, 3), array(6, 3), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "5" => array(array(7, 1), array(6, 1), array(5, 1), array(5, 2), array(5, 3), array(6, 3), array(7, 3), array(7, 4), array(7, 5), array(6, 5), array(5, 5)), | |
| "6" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(6, 5), array(7, 1), array(7, 3), array(7, 4), array(7, 5)), | |
| "7" => array(array(5, 1), array(6, 1), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "8" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 3), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "9" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 5), array(6, 1), array(6, 3), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)), | |
| "0" => array(array(5, 1), array(5, 2), array(5, 3), array(5, 4), array(5, 5), array(6, 1), array(6, 5), array(7, 1), array(7, 2), array(7, 3), array(7, 4), array(7, 5)) | |
| ); | |
| function lametricFormatNumber($baseIconPath, $txt) { | |
| $txt = strtoupper(strval($txt)); | |
| $txtLen = strlen($txt); | |
| $img = imagecreatefrompng($baseIconPath); | |
| if ($txtLen > 7) { | |
| global $lametricFont; | |
| $firstCharPxls = $lametricFont[substr($txt, 0, 1)]; | |
| $white = imagecolorallocate($img, 255, 255, 255); | |
| $txt = substr($txt, 1); | |
| foreach ($firstCharPxls as $pxl) { | |
| imagesetpixel($img, $pxl[0], $pxl[1], $white); | |
| } | |
| } | |
| ob_start(); | |
| imagepng($img); | |
| $iconData = "data:image/png;base64," . base64_encode(ob_get_clean()); | |
| return array($iconData, $txt); | |
| } | |
| // Demo usage: | |
| header('Content-Type: application/json'); | |
| list($ico, $tex) = lametricFormatNumber('ico.png', '12345678'); | |
| echo json_encode(array("frames" => array( | |
| array( | |
| "text" => $tex, | |
| "icon" => $ico, | |
| "index" => 0 | |
| ) | |
| ))); | |
| ?> |
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