First (re-)commit

images/inu/7sd.php

@@ -0,0 +1,145 @@
+<?php
+
+$height = 8;
+$charwidth = 6;
+
+$charlist = array(
+  0x20 => 0x00, // (space)
+  0x22 => 0x22, // "
+  0x27 => 0x02, // '
+  0x2D => 0x40, // -
+          0x10, // .
+  0x30 => 0x3F, // 0
+          0x06, // 1
+          0x5B, // 2
+          0x4F, // 3
+          0x66, // 4
+          0x6D, // 5
+          0x7D, // 6
+          0x07, // 7
+          0x7F, // 8
+          0x6F, // 9
+  0x3D => 0x48, // =
+  0x41 => 0x77, // A
+          0x7C, // b
+          0x39, // C
+          0x5E, // d
+          0x79, // E
+          0x71, // F
+          0x3D, // G
+          0x76, // H
+          0x30, // I
+          0x1E, // J
+          0x7A, // K
+          0x38, // L
+          0x55, // m
+          0x37, // N
+          0x5C, // o
+          0x73, // P
+          0x67, // q
+          0x50, // r
+          0x64, // s
+          0x78, // t
+          0x3E, // U
+          0x2A, // V
+          0x6A, // W
+          0x49, // x
+          0x6E, // y
+          0x52, // z
+  0x5F => 0x08, // _
+);
+
+$shiftt = array();
+$shifts = array();
+$final = array();
+
+if ($_GET['raw']) {
+  $code = intval($_GET['raw']);
+  $raw = true;
+}
+else if ($_GET['s']) $string = strtoupper($_GET['s']);
+else $string = '01234 56789 ABCDE FGHIJ KLMNO PQRST UVWXY Z';
+
+if (!$raw) {
+  $ssplit = str_split($string);
+  $i = 0;
+  while ($i < 200 && ($chr = array_shift($ssplit)) !== NULL) {
+    if ($chr == '>') {
+      $r = hexdec(array_shift($ssplit)) * 17;
+      $g = hexdec(array_shift($ssplit)) * 17;
+      $b = hexdec(array_shift($ssplit)) * 17;
+      $shiftt[$i] = array($r, $g, $b);
+    }
+    elseif (array_key_exists(ord($chr), $charlist))
+      $final[$i++] = ord($chr);
+  }
+}
+$strlen = ($raw) ? 1 : count($final);
+
+$im = @imagecreatetruecolor($strlen*$charwidth, $height) or die('oops, no image.');
+$black = imagecolorallocate($im, 0, 0, 1);
+imagefill($im, 0, 0, $black);
+imagecolortransparent($im, $black);
+$shadow = imagecolorallocate($im, 0, 0, 0);
+
+$cl = imagecolorallocate($im, 0, 255, 0);
+
+if ($raw) {
+  placeshadow($code, 0);
+  place7sd($code, 0);
+
+  header("Content-Type: image/png");
+  imagepng($im);
+  imagedestroy($im);
+  die();
+}
+
+foreach ($shiftt as $p => $s)
+  $shifts[$p] = imagecolorallocate($im, $s[0], $s[1], $s[2]);
+
+for ($i = 0; $i < $strlen; ++$i) {
+  if (array_key_exists($i, $shifts)) $cl = $shifts[$i];
+  $chr = $charlist[$final[$i]];
+  placeshadow($chr, $i);
+  place7sd($chr, $i);
+}
+
+header("Content-Type: image/png");
+imagepng($im);
+imagedestroy($im);
+
+function place7sd($lights, $w) {
+  global $im, $cl, $charwidth;
+  $w *= $charwidth;
+  for ($i = 0x01; $i < 0x80; $i<<=1) {
+    if ($lights & $i) switch ($i) {
+      case 0x01: imageline($im, $w + 1, 0, $w + 2, 0, $cl); break; //seg a
+      case 0x02: imageline($im, $w + 3, 1, $w + 3, 2, $cl); break; //seg b
+      case 0x04: imageline($im, $w + 3, 4, $w + 3, 5, $cl); break; //seg c
+      case 0x08: imageline($im, $w + 1, 6, $w + 2, 6, $cl); break; //seg d
+      case 0x10: imageline($im, $w,     4, $w,     5, $cl); break; //seg e
+      case 0x20: imageline($im, $w,     1, $w,     2, $cl); break; //seg f
+      case 0x40: imageline($im, $w + 1, 3, $w + 2, 3, $cl); break; //seg g
+      default: break;
+    }
+  }
+}
+
+function placeshadow($lights, $w) {
+  global $im, $cl, $charwidth;
+  $w *= $charwidth;
+  for ($i = 0x01; $i < 0x80; $i<<=1) {
+    if ($lights & $i) switch ($i) {
+      case 0x01: imageline($im, $w + 2, 1, $w + 3, 1, $shadow); break; //seg a
+      case 0x02: imageline($im, $w + 4, 2, $w + 4, 3, $shadow); break; //seg b
+      case 0x04: imageline($im, $w + 4, 5, $w + 4, 6, $shadow); break; //seg c
+      case 0x08: imageline($im, $w + 2, 7, $w + 3, 7, $shadow); break; //seg d
+      case 0x10: imageline($im, $w + 1, 5, $w + 1, 6, $shadow); break; //seg e
+      case 0x20: imageline($im, $w + 1, 2, $w + 1, 3, $shadow); break; //seg f
+      case 0x40: imageline($im, $w + 2, 4, $w + 3, 4, $shadow); break; //seg g
+      default: break;
+    }
+  }
+}
+
+?>