From: Raphaƫl Gertz Date: Wed, 15 Sep 2021 14:22:52 +0000 (+0200) Subject: Add getMultiImage X-Git-Tag: 0.2.0~6 X-Git-Url: https://git.rapsys.eu/packbundle/commitdiff_plain/592b6f83c8021771cb948f8c99b5e2672fda10c0?ds=inline Add getMultiImage Add getMultiZoom Add a min extra image Commit before dropping Cleanup --- diff --git a/Util/OsmUtil.php b/Util/OsmUtil.php index 477137f..0ac3a76 100644 --- a/Util/OsmUtil.php +++ b/Util/OsmUtil.php @@ -77,12 +77,12 @@ class OsmUtil { } /** - * Return the image + * Return the simple image * - * @desc Generate image in jpeg format or load it from cache + * Generate simple image in jpeg format or load it from cache * * @param string $pathInfo The path info - * @param string $alt The image alt + * @param string $caption The image caption * @param int $updated The updated timestamp * @param float $latitude The latitude * @param float $longitude The longitude @@ -91,10 +91,14 @@ class OsmUtil { * @param int $height The height * @return array The image array */ - public function getImage(string $pathInfo, string $alt, int $updated, float $latitude, float $longitude, int $zoom = 18, int $width = 1280, int $height = 1280): array { + #TODO: rename to getSimple ??? + public function getImage(string $pathInfo, string $caption, int $updated, float $latitude, float $longitude, int $zoom = 18, int $width = 1280, int $height = 1280): array { //Set path file $path = $this->path.$pathInfo.'.jpeg'; + //Set min file + $min = $this->path.$pathInfo.'.min.jpeg'; + //Without existing path if (!is_dir($dir = dirname($path))) { //Create filesystem object @@ -110,18 +114,15 @@ class OsmUtil { } } - //With path file - if ( - is_file($path) && - ($stat = stat($path)) && - $stat['mtime'] >= $updated - ) { + //With path and min up to date file + if (is_file($path) && is_file($min) && ($mtime = stat($path)['mtime']) && ($mintime = stat($min)['mtime']) && $mtime >= $updated && $mintime >= $updated) { //Return image data return [ - 'src' => $this->url.'/'.$stat['mtime'].$pathInfo.'.jpeg', - 'alt' => $alt, - 'height' => $height, - 'width' => $width + 'link' => $this->url.'/'.$mtime.$pathInfo.'.jpeg', + 'min' => $this->url.'/'.$mintime.$pathInfo.'.min.jpeg', + 'caption' => $caption, + 'height' => $height / 2, + 'width' => $width / 2 ]; } @@ -212,18 +213,20 @@ class OsmUtil { //Set text antialias $draw->setTextAntialias(true); + //Set stroke antialias + $draw->setStrokeAntialias(true); + //Set fill color - $draw->setFillColor('#cff'); + $draw->setFillColor('#c3c3f9'); //Set stroke color - $draw->setStrokeColor('#00c3f9'); + $draw->setStrokeColor('#3333c3'); //Set stroke width $draw->setStrokeWidth(2); //Draw circle - $draw->circle($width/2 - 5, $height/2 - 5, $width/2 + 5, $height/2 + 5); - #$draw->circle($tileX/self::tz - 5, $tileY/self::tz - 5, $tileX/self::tz + 5, $tileY/self::tz + 5); + $draw->circle($width/2, $height/2 - 5, $width/2 + 10, $height/2 + 5); //Draw on image $image->drawImage($draw); @@ -241,26 +244,353 @@ class OsmUtil { //Add description //XXX: not supported by imagick :'( - $image->setImageProperty('exif:Description', $alt); + $image->setImageProperty('exif:Description', $caption); + + //Set progressive jpeg + $image->setInterlaceScheme(\Imagick::INTERLACE_PLANE); //Save image if (!$image->writeImage($path)) { //Throw error - throw new \Exception(sprintf('Unable to write image "%s"', $dest)); + throw new \Exception(sprintf('Unable to write image "%s"', $path)); } - //Get dest stat - $stat = stat($path); + //Crop using aspect ratio + $image->cropThumbnailImage($width / 2, $height / 2); + + //Set compression quality + $image->setImageCompressionQuality(70); + + //Save min image + if (!$image->writeImage($min)) { + //Throw error + throw new \Exception(sprintf('Unable to write image "%s"', $min)); + } //Return image data return [ - 'src' => $this->url.'/'.$stat['mtime'].$pathInfo.'.jpeg', - 'alt' => $alt, - 'height' => $height, - 'width' => $width + 'link' => $this->url.'/'.stat($path)['mtime'].$pathInfo.'.jpeg', + 'min' => $this->url.'/'.stat($min)['mtime'].$pathInfo.'.min.jpeg', + 'caption' => $caption, + 'height' => $height / 2, + 'width' => $width / 2 ]; } + /** + * Return the multi image + * + * Generate multi image in jpeg format or load it from cache + * + * @param string $pathInfo The path info + * @param string $caption The image caption + * @param int $updated The updated timestamp + * @param float $latitude The latitude + * @param float $longitude The longitude + * @param array $locations The latitude array + * @param int $zoom The zoom + * @param int $width The width + * @param int $height The height + * @return array The image array + */ + public function getMultiImage(string $pathInfo, string $caption, int $updated, float $latitude, float $longitude, array $locations, int $zoom = 18, int $width = 1280, int $height = 1280): array { + //Set path file + $path = $this->path.$pathInfo.'.jpeg'; + + //Set min file + $min = $this->path.$pathInfo.'.min.jpeg'; + + //Without existing path + if (!is_dir($dir = dirname($path))) { + //Create filesystem object + $filesystem = new Filesystem(); + + try { + //Create path + //XXX: set as 0775, symfony umask (0022) will reduce rights (0755) + $filesystem->mkdir($dir, 0775); + } catch (IOExceptionInterface $e) { + //Throw error + throw new \Exception(sprintf('Output path "%s" do not exists and unable to create it', $dir), 0, $e); + } + } + + //With path and min up to date file + if (is_file($path) && is_file($min) && ($mtime = stat($path)['mtime']) && ($mintime = stat($min)['mtime']) && $mtime >= $updated && $mintime >= $updated) { + //Return image data + return [ + 'link' => $this->url.'/'.$mtime.$pathInfo.'.jpeg', + 'min' => $this->url.'/'.$mintime.$pathInfo.'.min.jpeg', + 'caption' => $caption, + 'height' => $height / 2, + 'width' => $width / 2 + ]; + } + + //Create image instance + $image = new \Imagick(); + + //Add new image + $image->newImage($width, $height, new \ImagickPixel('transparent'), 'jpeg'); + + //Create tile instance + $tile = new \Imagick(); + + //Init context + $ctx = stream_context_create( + [ + 'http' => [ + #'header' => ['Referer: https://www.openstreetmap.org/'], + 'max_redirects' => 5, + 'timeout' => (int)ini_get('default_socket_timeout'), + #'user_agent' => 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36', + 'user_agent' => (string)ini_get('user_agent')?:'rapsys_air/2.0.0', + ] + ] + ); + + //Get tile xy + $tileX = floor($centerX = $this->longitudeToX($longitude, $zoom)); + $tileY = floor($centerY = $this->latitudeToY($latitude, $zoom)); + + //Calculate start xy + //XXX: we draw every tile starting beween -($width / 2) and 0 + $startX = floor(($tileX * self::tz - $width) / self::tz); + //XXX: we draw every tile starting beween -($height / 2) and 0 + $startY = floor(($tileY * self::tz - $height) / self::tz); + + //Calculate end xy + //TODO: this seems stupid, check if we may just divide $width / 2 here !!! + //XXX: we draw every tile starting beween $width + ($width / 2) + $endX = ceil(($tileX * self::tz + $width) / self::tz); + //XXX: we draw every tile starting beween $width + ($width / 2) + $endY = ceil(($tileY * self::tz + $height) / self::tz); + + for($x = $startX; $x <= $endX; $x++) { + for($y = $startY; $y <= $endY; $y++) { + //Set cache path + $cache = $this->cache.'/'.$zoom.'/'.$x.'/'.$y.'.png'; + + //Without cache path + if (!is_dir($dir = dirname($cache))) { + //Create filesystem object + $filesystem = new Filesystem(); + + try { + //Create path + //XXX: set as 0775, symfony umask (0022) will reduce rights (0755) + $filesystem->mkdir($dir, 0775); + } catch (IOExceptionInterface $e) { + //Throw error + throw new \Exception(sprintf('Output directory "%s" do not exists and unable to create it', $dir), 0, $e); + } + } + + //Without cache image + if (!is_file($cache)) { + //Set tile url + $tileUri = str_replace(['{Z}', '{X}', '{Y}'], [$zoom, $x, $y], $this->servers[$this->server]); + + //Store tile in cache + file_put_contents($cache, file_get_contents($tileUri, false, $ctx)); + } + + //Set dest x + $destX = intval(floor(($width / 2) - self::tz * ($centerX - $x))); + + //Set dest y + $destY = intval(floor(($height / 2) - self::tz * ($centerY - $y))); + + //Read tile from cache + $tile->readImage($cache); + + //Compose image + $image->compositeImage($tile, \Imagick::COMPOSITE_OVER, $destX, $destY); + + //Clear tile + $tile->clear(); + } + } + + //Add circle + //XXX: see https://www.php.net/manual/fr/imagick.examples-1.php#example-3916 + $draw = new \ImagickDraw(); + + //Set text alignment + $draw->setTextAlignment(\Imagick::ALIGN_CENTER); + + //Set text antialias + $draw->setTextAntialias(true); + + //Set stroke antialias + $draw->setStrokeAntialias(true); + + //Iterate on locations + foreach($locations as $k => $location) { + //Set dest x + $destX = intval(floor(($width / 2) - self::tz * ($centerX - $this->longitudeToX($location['longitude'], $zoom)))); + + //Set dest y + $destY = intval(floor(($height / 2) - self::tz * ($centerY - $this->latitudeToY($location['latitude'], $zoom)))); + + //Set fill color + $draw->setFillColor('#cff'); + + //Set font size + $draw->setFontSize(20); + + //Set stroke color + $draw->setStrokeColor('#00c3f9'); + + //Set circle radius + $radius = 5; + + //Set stroke + $stroke = 2; + + //With matching position + if ($location['latitude'] === $latitude && $location['longitude'] == $longitude) { + //Set fill color + $draw->setFillColor('#c3c3f9'); + + //Set font size + $draw->setFontSize(30); + + //Set stroke color + $draw->setStrokeColor('#3333c3'); + + //Set circle radius + $radius = 8; + + //Set stroke + $stroke = 4; + } + + //Set stroke width + $draw->setStrokeWidth($stroke); + + //Draw circle + $draw->circle($destX, $destY - $radius, $destX + $radius * 2, $destY + $radius); + + //Set fill color + $draw->setFillColor($draw->getStrokeColor()); + + //Set stroke width + $draw->setStrokeWidth($stroke / 4); + + //Get font metrics + $metrics = $image->queryFontMetrics($draw, strval($location['id'])); + + //Add annotation + $draw->annotation($destX, $destY - $metrics['descender'] / 3, strval($location['id'])); + } + + //Draw on image + $image->drawImage($draw); + + //Strip image exif data and properties + $image->stripImage(); + + //Add latitude + //XXX: not supported by imagick :'( + $image->setImageProperty('exif:GPSLatitude', $this->latitudeToSexagesimal($latitude)); + + //Add longitude + //XXX: not supported by imagick :'( + $image->setImageProperty('exif:GPSLongitude', $this->longitudeToSexagesimal($longitude)); + + //Add description + //XXX: not supported by imagick :'( + $image->setImageProperty('exif:Description', $caption); + + //Set progressive jpeg + $image->setInterlaceScheme(\Imagick::INTERLACE_PLANE); + + //Save image + if (!$image->writeImage($path)) { + //Throw error + throw new \Exception(sprintf('Unable to write image "%s"', $path)); + } + + //Crop using aspect ratio + $image->cropThumbnailImage($width / 2, $height / 2); + + //Set compression quality + $image->setImageCompressionQuality(70); + + //Save min image + if (!$image->writeImage($min)) { + //Throw error + throw new \Exception(sprintf('Unable to write image "%s"', $min)); + } + + //Return image data + return [ + 'link' => $this->url.'/'.stat($path)['mtime'].$pathInfo.'.jpeg', + 'min' => $this->url.'/'.stat($min)['mtime'].$pathInfo.'.min.jpeg', + 'caption' => $caption, + 'height' => $height / 2, + 'width' => $width / 2 + ]; + } + + /** + * Return multi zoom + * + * Compute multi image optimal zoom + * + * @param float $latitude The latitude + * @param float $longitude The longitude + * @param array $locations The latitude array + * @param int $zoom The zoom + * @param int $width The width + * @param int $height The height + * @return int The zoom + */ + public function getMultiZoom(float $latitude, float $longitude, array $locations, int $zoom = 18, int $width = 1280, int $height = 1280): int { + //Iterate on each zoom + for ($i = $zoom; $i >= 1; $i--) { + //Get tile xy + $tileX = floor($this->longitudeToX($longitude, $i)); + $tileY = floor($this->latitudeToY($latitude, $i)); + + //Calculate start xy + $startX = floor(($tileX * self::tz - $width / 2) / self::tz); + $startY = floor(($tileY * self::tz - $height / 2) / self::tz); + + //Calculate end xy + $endX = ceil(($tileX * self::tz + $width / 2) / self::tz); + $endY = ceil(($tileY * self::tz + $height / 2) / self::tz); + + //Iterate on each locations + foreach($locations as $k => $location) { + //Set dest x + $destX = floor($this->longitudeToX($location['longitude'], $i)); + + //With outside point + if ($startX >= $destX || $endX <= $destX) { + //Skip zoom + continue(2); + } + + //Set dest y + $destY = floor($this->latitudeToY($location['latitude'], $i)); + + //With outside point + if ($startY >= $destY || $endY <= $destY) { + //Skip zoom + continue(2); + } + } + + //Found zoom + break; + } + + //Return zoom + return $i; + } + /** * Convert longitude to tile x number *