PHP coords Examples

Example #1

File: CGUtils.php Project: ponydevs/MLPVC-RR

 static function getSpriteImageMap($AppearanceID)
 {
     $PNGPath = SPRITE_PATH . "{$AppearanceID}.png";
     $MapPath = FSPATH . "cg_render/{$AppearanceID}-linedata.json.gz";
     if (file_exists($MapPath) && filemtime($MapPath) >= filemtime($PNGPath)) {
         $Map = JSON::decode(gzuncompress(file_get_contents($MapPath)));
     } else {
         if (!file_exists($PNGPath)) {
             return null;
         }
         list($PNGWidth, $PNGHeight) = getimagesize($PNGPath);
         $PNG = imagecreatefrompng($PNGPath);
         imagesavealpha($PNG, true);
         $allcolors = array();
         function coords($w, $h)
         {
             for ($y = 0; $y < $h; $y++) {
                 for ($x = 0; $x < $w; $x++) {
                     (yield array($x, $y));
                 }
             }
         }
         foreach (coords($PNGWidth, $PNGHeight) as $pos) {
             list($x, $y) = $pos;
             $rgb = imagecolorat($PNG, $x, $y);
             $colors = imagecolorsforindex($PNG, $rgb);
             $hex = strtoupper('#' . CoreUtils::pad(dechex($colors['red'])) . CoreUtils::pad(dechex($colors['green'])) . CoreUtils::pad(dechex($colors['blue'])));
             $opacity = $colors['alpha'] ?? 0;
             if ($opacity === 127) {
                 continue;
             }
             $allcolors[$hex][$opacity][] = array($x, $y);
         }
         $mapping = 0;
         $currLine = null;
         $lines = array();
         $lastx = -2;
         $lasty = -2;
         $_colorsAssoc = array();
         $colorno = 0;
         foreach ($allcolors as $hex => $opacities) {
             if (!isset($_colorsAssoc[$hex])) {
                 $_colorsAssoc[$hex] = $colorno;
                 $colorno++;
             }
             foreach ($opacities as $opacity => $coords) {
                 foreach ($coords as $pos) {
                     list($x, $y) = $pos;
                     if ($x - 1 != $lastx || $y != $lasty) {
                         if (isset($currLine)) {
                             $lines[] = $currLine;
                         }
                         $currLine = array('x' => $x, 'y' => $y, 'width' => 1, 'colorid' => $_colorsAssoc[$hex], 'opacity' => $opacity);
                     } else {
                         $currLine['width']++;
                     }
                     $lastx = $x;
                     $lasty = $y;
                 }
             }
         }
         if (isset($currLine)) {
             $lines[] = $currLine;
         }
         $Output = array('width' => $PNGWidth, 'height' => $PNGHeight, 'linedata' => array(), 'colors' => array_flip($_colorsAssoc));
         foreach ($lines as $line) {
             $Output['linedata'][] = $line;
         }
         $Map = $Output;
         file_put_contents($MapPath, gzcompress(JSON::encode($Output), 9));
     }
     return $Map;
 }

Example #2

File: save_city.php Project: jbroadway/cacophony

function coords($city)
{
    $maps_request = 'http://' . MAPS_HOST . '/maps/geo?output=json&key=' . MAPS_KEY . '&sensor=false&q=' . urlencode($city);
    $response = file_get_contents($maps_request);
    $info = json_decode($response);
    if (is_object($info) && is_array($info->Placemark)) {
        return array($info->Placemark[0]->address, $info->Placemark[0]->Point->coordinates[1], $info->Placemark[0]->Point->coordinates[0]);
    }
    return array('Not Found', 0, 0);
}
$found = false;
$cities = json_decode(file_get_contents('cities.json'));
if (!is_array($cities)) {
    $cities = array();
}
list($city, $lat, $lng) = coords($_REQUEST['input']);
foreach ($cities as $k => $c) {
    if ($city == $c->name) {
        $c->count++;
        $found = true;
        break;
    }
}
if (!$found) {
    $c = new StdClass();
    $c->name = $city;
    $c->count = 1;
    $c->lat = $lat;
    $c->lng = $lng;
    $cities[] = $c;
}