X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2FPhoto.php;h=54db9278e4111bd3a8db4638231c9dedff15df08;hb=7cd516e34f95945b7f15f42cfe7318dfd907c8d8;hp=fce55999961c3f5d377c367eb69ab14a8f40d9f9;hpb=7b3c02057db47a627b56bdd79f1055ea7f876617;p=friendica.git diff --git a/include/Photo.php b/include/Photo.php index fce5599996..54db9278e4 100644 --- a/include/Photo.php +++ b/include/Photo.php @@ -7,14 +7,34 @@ class Photo { private $width; private $height; private $valid; + private $type; + private $types; + + /** + * supported mimetypes and corresponding file extensions + */ + static function supportedTypes() { + $t = array(); + $t['image/jpeg'] ='jpg'; + if (imagetypes() & IMG_PNG) $t['image/png'] = 'png'; + return $t; + } + + public function __construct($data, $type="image/jpeg") { - public function __construct($data) { + $this->types = $this->supportedTypes(); + if (!array_key_exists($type,$this->types)){ + $type='image/jpeg'; + } $this->valid = false; + $this->type = $type; $this->image = @imagecreatefromstring($data); if($this->image !== FALSE) { $this->width = imagesx($this->image); $this->height = imagesy($this->image); $this->valid = true; + imagealphablending($this->image, false); + imagesavealpha($this->image, true); } } @@ -38,6 +58,13 @@ class Photo { public function getImage() { return $this->image; } + + public function getType() { + return $this->type; + } + public function getExt() { + return $this->types[$this->type]; + } public function scaleImage($max) { @@ -78,6 +105,9 @@ class Photo { $dest = imagecreatetruecolor( $dest_width, $dest_height ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height); if($this->image) imagedestroy($this->image); @@ -91,7 +121,67 @@ class Photo { $this->image = imagerotate($this->image,$degrees,0); $this->width = imagesx($this->image); $this->height = imagesy($this->image); - } + } + + public function flip($horiz = true, $vert = false) { + $w = imagesx($this->image); + $h = imagesy($this->image); + $flipped = imagecreate($w, $h); + if($horiz) { + for ($x = 0; $x < $w; $x++) { + imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h); + } + } + if($vert) { + for ($y = 0; $y < $h; $y++) { + imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1); + } + } + $this->image = $flipped; + } + + public function orient($filename) { + // based off comment on http://php.net/manual/en/function.imagerotate.php + + $exif = exif_read_data($filename); + $ort = $exif['Orientation']; + + switch($ort) + { + case 1: // nothing + break; + + case 2: // horizontal flip + $this->flip(); + break; + + case 3: // 180 rotate left + $this->rotate(180); + break; + + case 4: // vertical flip + $this->flip(false, true); + break; + + case 5: // vertical flip + 90 rotate right + $this->flip(false, true); + $this->rotate(-90); + break; + + case 6: // 90 rotate right + $this->rotate(-90); + break; + + case 7: // horizontal flip + 90 rotate right + $this->flip(); + $this->rotate(-90); + break; + + case 8: // 90 rotate left + $this->rotate(90); + break; + } + } @@ -134,6 +224,9 @@ class Photo { $dest = imagecreatetruecolor( $dest_width, $dest_height ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height); if($this->image) imagedestroy($this->image); @@ -148,6 +241,9 @@ class Photo { public function scaleImageSquare($dim) { $dest = imagecreatetruecolor( $dim, $dim ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height); if($this->image) imagedestroy($this->image); @@ -159,6 +255,9 @@ class Photo { public function cropImage($max,$x,$y,$w,$h) { $dest = imagecreatetruecolor( $max, $max ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h); if($this->image) imagedestroy($this->image); @@ -168,20 +267,38 @@ class Photo { } public function saveImage($path) { - $quality = get_config('system','jpeg_quality'); - if((! $quality) || ($quality > 100)) - $quality = JPEG_QUALITY; - imagejpeg($this->image,$path,$quality); + switch($this->type){ + case "image/png": + $quality = get_config('system','png_quality'); + if((! $quality) || ($quality > 9)) + $quality = PNG_QUALITY; + imagepng($this->image, $path, $quality); + break; + default: + $quality = get_config('system','jpeg_quality'); + if((! $quality) || ($quality > 100)) + $quality = JPEG_QUALITY; + imagejpeg($this->image,$path,$quality); + } + } public function imageString() { ob_start(); - - $quality = get_config('system','jpeg_quality'); - if((! $quality) || ($quality > 100)) - $quality = JPEG_QUALITY; - - imagejpeg($this->image,NULL,$quality); + switch($this->type){ + case "image/png": + $quality = get_config('system','png_quality'); + if((! $quality) || ($quality > 9)) + $quality = PNG_QUALITY; + imagepng($this->image,NULL, $quality); + break; + default: + $quality = get_config('system','jpeg_quality'); + if((! $quality) || ($quality > 100)) + $quality = JPEG_QUALITY; + + imagejpeg($this->image,NULL,$quality); + } $s = ob_get_contents(); ob_end_clean(); return $s; @@ -199,52 +316,147 @@ class Photo { else $guid = get_guid(); - $r = q("INSERT INTO `photo` - ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` ) - VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )", - intval($uid), - intval($cid), - dbesc($guid), - dbesc($rid), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(basename($filename)), - dbesc($album), - intval($this->height), - intval($this->width), - dbesc($this->imageString()), - intval($scale), - intval($profile), - dbesc($allow_cid), - dbesc($allow_gid), - dbesc($deny_cid), - dbesc($deny_gid) + $x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1", + dbesc($rid), + intval($uid), + intval($cid), + intval($scale) ); + if(count($x)) { + $r = q("UPDATE `photo` + set `uid` = %d, + `contact-id` = %d, + `guid` = '%s', + `resource-id` = '%s', + `created` = '%s', + `edited` = '%s', + `filename` = '%s', + `type` = '%s', + `album` = '%s', + `height` = %d, + `width` = %d, + `data` = '%s', + `scale` = %d, + `profile` = %d, + `allow_cid` = '%s', + `allow_gid` = '%s', + `deny_cid` = '%s', + `deny_gid` = '%s' + where id = %d limit 1", + + intval($uid), + intval($cid), + dbesc($guid), + dbesc($rid), + dbesc(datetime_convert()), + dbesc(datetime_convert()), + dbesc(basename($filename)), + dbesc($this->type), + dbesc($album), + intval($this->height), + intval($this->width), + dbesc($this->imageString()), + intval($scale), + intval($profile), + dbesc($allow_cid), + dbesc($allow_gid), + dbesc($deny_cid), + dbesc($deny_gid), + intval($x[0]['id']) + ); + } + else { + $r = q("INSERT INTO `photo` + ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` ) + VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )", + intval($uid), + intval($cid), + dbesc($guid), + dbesc($rid), + dbesc(datetime_convert()), + dbesc(datetime_convert()), + dbesc(basename($filename)), + dbesc($this->type), + dbesc($album), + intval($this->height), + intval($this->width), + dbesc($this->imageString()), + intval($scale), + intval($profile), + dbesc($allow_cid), + dbesc($allow_gid), + dbesc($deny_cid), + dbesc($deny_gid) + ); + } return $r; } +}} +/** + * Guess image mimetype from filename or from Content-Type header + * + * @arg $filename string Image filename + * @arg $fromcurl boolean Check Content-Type header from curl request + */ +function guess_image_type($filename, $fromcurl=false) { + logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG); + $type = null; + if ($fromcurl) { + $a = get_app(); + $headers=array(); + $h = explode("\n",$a->get_curl_headers()); + foreach ($h as $l) { + list($k,$v) = array_map("trim", explode(":", trim($l), 2)); + $headers[$k] = $v; + } + if (array_key_exists('Content-Type', $headers)) + $type = $headers['Content-Type']; + } + if (is_null($type)){ + $ext = pathinfo($filename, PATHINFO_EXTENSION); + $types = Photo::supportedTypes(); + $type = "image/jpeg"; + foreach ($types as $m=>$e){ + if ($ext==$e) $type = $m; + } - - -}} - + } + logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG); + return $type; + +} function import_profile_photo($photo,$uid,$cid) { $a = get_app(); + $r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1", + intval($uid), + intval($cid) + ); + if(count($r)) { + $hash = $r[0]['resource-id']; + } + else { + $hash = photo_new_resource(); + } + $photo_failure = false; $filename = basename($photo); $img_str = fetch_url($photo,true); - $img = new Photo($img_str); + + // guess mimetype from headers or filename + $type = guess_image_type($photo,true); + + + $img = new Photo($img_str, $type); if($img->is_valid()) { $img->scaleImageSquare(175); - $hash = photo_new_resource(); - $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 ); if($r === false) @@ -264,11 +476,9 @@ function import_profile_photo($photo,$uid,$cid) { if($r === false) $photo_failure = true; - - - $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg'; - $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg'; - $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.jpg'; + $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt(); + $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt(); + $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt(); } else $photo_failure = true;