scripts/celerity/generate_sprites.php

   1 #!/usr/bin/env php
   2 <?php
   3
   4 require_once dirname(dirname(__FILE__)).'/__init_script__.php';
   5
   6 $args = new PhutilArgumentParser($argv);
   7 $args->setTagline(pht('regenerate CSS sprite sheets'));
   8 $args->setSynopsis(<<<EOHELP
   9 **sprites**
  10     Rebuild CSS sprite sheets.
  11
  12 EOHELP
  13 );
  14 $args->parseStandardArguments();
  15 $args->parse(
  16   array(
  17     array(
  18       'name'  => 'force',
  19       'help'  => pht('Force regeneration even if sources have not changed.'),
  20     ),
  21   ));
  22
  23 $root = dirname(phutil_get_library_root('phabricator'));
  24 $webroot = $root.'/webroot/rsrc';
  25 $webroot = Filesystem::readablePath($webroot);
  26
  27 $generator = new CeleritySpriteGenerator();
  28
  29 $sheets = array(
  30   'tokens' => $generator->buildTokenSheet(),
  31   'login' => $generator->buildLoginSheet(),
  32 );
  33
  34 list($err) = exec_manual('optipng');
  35 if ($err) {
  36   $have_optipng = false;
  37   echo phutil_console_format(
  38     "<bg:red> %s </bg> %s\n%s\n",
  39     pht('WARNING'),
  40     pht('`%s` not found in PATH.', 'optipng'),
  41     pht('Sprites will not be optimized! Install `%s`!', 'optipng'));
  42 } else {
  43   $have_optipng = true;
  44 }
  45
  46 foreach ($sheets as $name => $sheet) {
  47
  48   $sheet->setBasePath($root);
  49
  50   $manifest_path = $root.'/resources/sprite/manifest/'.$name.'.json';
  51   if (!$args->getArg('force')) {
  52     if (Filesystem::pathExists($manifest_path)) {
  53       $data = Filesystem::readFile($manifest_path);
  54       $data = phutil_json_decode($data);
  55       if (!$sheet->needsRegeneration($data)) {
  56         continue;
  57       }
  58     }
  59   }
  60
  61   $sheet
  62     ->generateCSS($webroot."/css/sprite-{$name}.css")
  63     ->generateManifest($root."/resources/sprite/manifest/{$name}.json");
  64
  65   foreach ($sheet->getScales() as $scale) {
  66     if ($scale == 1) {
  67       $sheet_name = "sprite-{$name}.png";
  68     } else {
  69       $sheet_name = "sprite-{$name}-X{$scale}.png";
  70     }
  71
  72     $full_path = "{$webroot}/image/{$sheet_name}";
  73     $sheet->generateImage($full_path, $scale);
  74
  75     if ($have_optipng) {
  76       echo pht('Optimizing...')."\n";
  77       phutil_passthru('optipng -o7 -clobber %s', $full_path);
  78     }
  79   }
  80 }
  81
  82 echo pht('Done.')."\n";