+ /**
+ * Return the facebook image
+ *
+ * @desc Generate image in jpeg format or load it from cache
+ *
+ * @return array The image array
+ */
+ protected function getFacebookImage(): array {
+ //Set texts
+ $texts = $this->facebookImage['texts'] ?? [];
+
+ //Set default source
+ $source = $this->facebookImage['source'] ?? 'png/facebook.png';
+
+ //Set default source
+ $updated = $this->facebookImage['updated'] ?? strtotime('last week');
+
+ //Set default destination
+ //XXX: format facebook<pathinfo>.jpeg
+ //XXX: was facebook/<controller>/<action>.<locale>.jpeg
+ $destination = $this->facebookImage['destination'] ?? 'facebook'.$this->request->getPathInfo().'.jpeg';
+
+ //Set source path
+ $src = $this->config['path']['public'].'/'.$source;
+
+ //Set cache path
+ //XXX: remove extension and store as png anyway
+ $cache = $this->config['path']['cache'].'/facebook/'.substr($source, 0, strrpos($source, '.')).'.'.$this->config['facebook']['width'].'x'.$this->config['facebook']['height'].'.png';
+
+ //Set destination path
+ $dest = $this->config['path']['public'].'/'.$destination;
+
+ //Set asset
+ $asset = '@RapsysAir/'.$destination;
+
+ //With up to date generated image
+ if (
+ is_file($dest) &&
+ ($stat = stat($dest)) &&
+ $stat['mtime'] >= $updated
+ ) {
+ //Get image size
+ list ($width, $height) = getimagesize($dest);
+
+ //With canonical in texts
+ if (!empty($texts[$this->context['canonical']])) {
+ //Prevent canonical to finish in alt
+ unset($texts[$this->context['canonical']]);
+ }
+
+ //Return image data
+ return [
+ #'image' => $this->stack->getCurrentRequest()->getUriForPath($this->asset->getUrl($asset), true),#.'?fbrefresh='.$stat['mtime'],
+ 'image:url' => $this->stack->getCurrentRequest()->getUriForPath($this->asset->getUrl($asset), true),#.'?fbrefresh='.$stat['mtime'],
+ #'image:secure_url' => $this->stack->getCurrentRequest()->getUriForPath($this->asset->getUrl($asset), true),#.'?fbrefresh='.$stat['mtime'],
+ 'image:alt' => str_replace("\n", ' ', implode(' - ', array_keys($texts))),
+ 'image:height' => $height,
+ 'image:width' => $width
+ ];
+ //With image candidate
+ } elseif (is_file($src)) {
+ //Create image object
+ $image = new \Imagick();
+
+ //With cache image
+ if (is_file($cache)) {
+ //Read image
+ $image->readImage($cache);
+ //Without we generate it
+ } else {
+ //Check target directory
+ if (!is_dir($dir = dirname($cache))) {
+ //Create filesystem object
+ $filesystem = new Filesystem();
+
+ try {
+ //Create dir
+ //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);
+ }
+ }
+
+ //Read image
+ $image->readImage($src);
+
+ //Crop using aspect ratio
+ //XXX: for better result upload image directly in aspect ratio :)
+ $image->cropThumbnailImage($this->config['facebook']['width'], $this->config['facebook']['height']);
+
+ //Strip image exif data and properties
+ $image->stripImage();
+
+ //Save cache image
+ if (!$image->writeImage($cache)) {
+ //Throw error
+ throw new \Exception(sprintf('Unable to write image "%s"', $cache));
+ }
+ }
+ //Check target directory
+ if (!is_dir($dir = dirname($dest))) {
+ //Create filesystem object
+ $filesystem = new Filesystem();
+
+ try {
+ //Create dir
+ //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);
+ }
+ }
+
+ //Get image width
+ $width = $image->getImageWidth();
+
+ //Get image height
+ $height = $image->getImageHeight();
+
+ //Create draw
+ $draw = new \ImagickDraw();
+
+ //Set stroke antialias
+ $draw->setStrokeAntialias(true);
+
+ //Set text antialias
+ $draw->setTextAntialias(true);
+
+ //Set stroke width
+ $draw->setStrokeWidth($this->facebookImage['stroke']??15);
+
+ //Set font aliases
+ $fonts = [
+ 'irishgrover' => $this->config['path']['public'].'/ttf/irishgrover.v10.ttf',
+ 'droidsans' => $this->config['path']['public'].'/ttf/droidsans.regular.ttf',
+ 'dejavusans' => $this->config['path']['public'].'/ttf/dejavusans.2.37.ttf',
+ 'labelleaurore' => $this->config['path']['public'].'/ttf/labelleaurore.v10.ttf'
+ ];
+
+ //Set align aliases
+ $aligns = [
+ 'left' => \Imagick::ALIGN_LEFT,
+ 'center' => \Imagick::ALIGN_CENTER,
+ 'right' => \Imagick::ALIGN_RIGHT
+ ];
+
+ //Set default font
+ $defaultFont = 'dejavusans';
+
+ //Set default align
+ $defaultAlign = 'center';
+
+ //Set default size
+ $defaultSize = 60;
+
+ //Set default stroke
+ $defaultStroke = '#00c3f9';
+
+ //Set default fill
+ $defaultFill = 'white';
+
+ //Init counter
+ $i = 1;
+
+ //Set text count
+ $count = count($texts);
+
+ //Draw each text stroke
+ foreach($texts as $text => $data) {
+ //Set font
+ $draw->setFont($fonts[$data['font']??$defaultFont]);
+
+ //Set font size
+ $draw->setFontSize($data['size']??$defaultSize);
+
+ //Set text alignment
+ $draw->setTextAlignment($align = ($aligns[$data['align']??$defaultAlign]));
+
+ //Get font metrics
+ $metrics = $image->queryFontMetrics($draw, $text);
+
+ //Without y
+ if (empty($data['y'])) {
+ //Position verticaly each text evenly
+ $texts[$text]['y'] = $data['y'] = (($height + 100) / (count($texts) + 1) * $i) - 50;
+ }
+
+ //Without x
+ if (empty($data['x'])) {
+ if ($align == \Imagick::ALIGN_CENTER) {
+ $texts[$text]['x'] = $data['x'] = $width/2;
+ } elseif ($align == \Imagick::ALIGN_LEFT) {
+ $texts[$text]['x'] = $data['x'] = 50;
+ } elseif ($align == \Imagick::ALIGN_RIGHT) {
+ $texts[$text]['x'] = $data['x'] = $width - 50;
+ }
+ }
+
+ //Center verticaly
+ //XXX: add ascender part then center it back by half of textHeight
+ //TODO: maybe add a boundingbox ???
+ $texts[$text]['y'] = $data['y'] += $metrics['ascender'] - $metrics['textHeight']/2;
+
+ //Set stroke color
+ $draw->setStrokeColor(new \ImagickPixel($data['stroke']??$defaultStroke));
+
+ //Set fill color
+ $draw->setFillColor(new \ImagickPixel($data['stroke']??$defaultStroke));
+
+ //Add annotation
+ $draw->annotation($data['x'], $data['y'], $text);
+
+ //Increase counter
+ $i++;
+ }
+
+ //Create stroke object
+ $stroke = new \Imagick();
+
+ //Add new image
+ $stroke->newImage($width, $height, new \ImagickPixel('transparent'));
+
+ //Draw on image
+ $stroke->drawImage($draw);
+
+ //Blur image
+ //XXX: blur the stroke canvas only
+ $stroke->blurImage(5,3);
+
+ //Set opacity to 0.5
+ //XXX: see https://www.php.net/manual/en/image.evaluateimage.php
+ $stroke->evaluateImage(\Imagick::EVALUATE_DIVIDE, 1.5, \Imagick::CHANNEL_ALPHA);
+
+ //Compose image
+ $image->compositeImage($stroke, \Imagick::COMPOSITE_OVER, 0, 0);
+
+ //Clear stroke
+ $stroke->clear();
+
+ //Destroy stroke
+ unset($stroke);
+
+ //Clear draw
+ $draw->clear();
+
+ //Set text antialias
+ $draw->setTextAntialias(true);
+
+ //Draw each text
+ foreach($texts as $text => $data) {
+ //Set font
+ $draw->setFont($fonts[$data['font']??$defaultFont]);
+
+ //Set font size
+ $draw->setFontSize($data['size']??$defaultSize);
+
+ //Set text alignment
+ $draw->setTextAlignment($aligns[$data['align']??$defaultAlign]);
+
+ //Set fill color
+ $draw->setFillColor(new \ImagickPixel($data['fill']??$defaultFill));
+
+ //Add annotation
+ $draw->annotation($data['x'], $data['y'], $text);
+ }
+
+ //Draw on image
+ $image->drawImage($draw);
+
+ //Strip image exif data and properties
+ $image->stripImage();
+
+ //Set image format
+ $image->setImageFormat('jpeg');
+
+ //Save image
+ if (!$image->writeImage($dest)) {
+ //Throw error
+ throw new \Exception(sprintf('Unable to write image "%s"', $dest));
+ }
+
+ //Get dest stat
+ //TODO: see if it works every time
+ $stat = stat($dest);
+
+ //With canonical in texts
+ if (!empty($texts[$this->context['canonical']])) {
+ //Prevent canonical to finish in alt
+ unset($texts[$this->context['canonical']]);
+ }
+
+ //Return image data
+ return [
+ //TODO: see if it works every time
+ #'image' => $this->stack->getCurrentRequest()->getUriForPath($this->asset->getUrl($asset), true),#.'?fbrefresh='.$stat['mtime'],
+ 'image:url' => $this->stack->getCurrentRequest()->getUriForPath($this->asset->getUrl($asset), true),#.'?fbrefresh='.$stat['mtime'],
+ #'image:secure_url' => $this->stack->getCurrentRequest()->getUriForPath($this->asset->getUrl($asset), true),#.'?fbrefresh='.$stat['mtime'],
+ 'image:alt' => str_replace("\n", ' ', implode(' - ', array_keys($texts))),
+ 'image:height' => $height,
+ 'image:width' => $width
+ ];
+ }
+
+ //Return empty array without image
+ return [];
+ }
+
Rapsys Git / airbundle / blobdiff