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Merge pull request #12325 from annando/blurhash 

API: Support Blurhash
This commit is contained in:
Philipp 2022-12-04 15:25:33 +01:00 committed by GitHub
parent 3d73c452df a5be5b27e3
commit b3ca1e2bfb
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GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 150 additions and 15 deletions
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3
composer.json
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@ -70,7 +70,8 @@
"npm-asset/moment": "^2.24",
"npm-asset/perfect-scrollbar": "0.6.16",
"npm-asset/textcomplete": "^0.18.2",
"npm-asset/typeahead.js": "^0.11.1"
"npm-asset/typeahead.js": "^0.11.1",
"kornrunner/blurhash": "^1.2"
},
"repositories": [
{

46
composer.lock generated
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@ -4,7 +4,7 @@
"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
"This file is @generated automatically"
],
"content-hash": "2e082bac083ca61cc0c22f7055d690bf",
"content-hash": "f8e7baec685d20e6aee56978c275d64c",
"packages": [
{
"name": "asika/simple-console",
@ -1116,6 +1116,50 @@
],
"time": "2022-06-20T21:43:03+00:00"
},
{
"name": "kornrunner/blurhash",
"version": "v1.2.2",
"source": {
"type": "git",
"url": "https://github.com/kornrunner/php-blurhash.git",
"reference": "bc8a4596cb0a49874f0158696a382ab3933fefe4"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/kornrunner/php-blurhash/zipball/bc8a4596cb0a49874f0158696a382ab3933fefe4",
"reference": "bc8a4596cb0a49874f0158696a382ab3933fefe4",
"shasum": ""
},
"require": {
"php": "^7.3|^8.0"
},
"require-dev": {
"ext-gd": "*",
"ocramius/package-versions": "^1.4|^2.0",
"phpstan/phpstan": "^0.12",
"phpunit/phpunit": "^9",
"vimeo/psalm": "^4.3"
},
"type": "library",
"autoload": {
"psr-4": {
"kornrunner\\Blurhash\\": "src"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Boris Momčilović",
"email": "boris.momcilovic@gmail.com"
}
],
"description": "Pure PHP implementation of Blurhash",
"homepage": "https://github.com/kornrunner/php-blurhash",
"time": "2022-07-13T19:38:39+00:00"
},
{
"name": "league/html-to-markdown",
"version": "4.10.0",

2
database.sql
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@ -1088,6 +1088,7 @@ CREATE TABLE IF NOT EXISTS `photo` (
`height` smallint unsigned NOT NULL DEFAULT 0 COMMENT '',
`width` smallint unsigned NOT NULL DEFAULT 0 COMMENT '',
`datasize` int unsigned NOT NULL DEFAULT 0 COMMENT '',
`blurhash` varbinary(255) COMMENT 'BlurHash representation of the photo',
`data` mediumblob NOT NULL COMMENT '',
`scale` tinyint unsigned NOT NULL DEFAULT 0 COMMENT '',
`profile` boolean NOT NULL DEFAULT '0' COMMENT '',
@ -1313,6 +1314,7 @@ CREATE TABLE IF NOT EXISTS `post-media` (
`height` smallint unsigned COMMENT 'Height of the media',
`width` smallint unsigned COMMENT 'Width of the media',
`size` bigint unsigned COMMENT 'Media size',
`blurhash` varbinary(255) COMMENT 'BlurHash representation of the image',
`preview` varbinary(512) COMMENT 'Preview URL',
`preview-height` smallint unsigned COMMENT 'Height of the preview picture',
`preview-width` smallint unsigned COMMENT 'Width of the preview picture',

1
doc/database/db_photo.md
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@ -25,6 +25,7 @@ Fields
| height | | smallint unsigned | NO | | 0 | |
| width | | smallint unsigned | NO | | 0 | |
| datasize | | int unsigned | NO | | 0 | |
| blurhash | BlurHash representation of the photo | varbinary(255) | YES | | NULL | |
| data | | mediumblob | NO | | NULL | |
| scale | | tinyint unsigned | NO | | 0 | |
| profile | | boolean | NO | | 0 | |

1
doc/database/db_post-media.md
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@ -17,6 +17,7 @@ Fields
| height | Height of the media | smallint unsigned | YES | | NULL | |
| width | Width of the media | smallint unsigned | YES | | NULL | |
| size | Media size | bigint unsigned | YES | | NULL | |
| blurhash | BlurHash representation of the image | varbinary(255) | YES | | NULL | |
| preview | Preview URL | varbinary(512) | YES | | NULL | |
| preview-height | Height of the preview picture | smallint unsigned | YES | | NULL | |
| preview-width | Width of the preview picture | smallint unsigned | YES | | NULL | |

3
src/Factory/Api/Mastodon/Attachment.php
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@ -94,7 +94,7 @@ class Attachment extends BaseFactory
*/
public function createFromPhoto(int $id): array
{
$photo = Photo::selectFirst(['resource-id', 'uid', 'id', 'title', 'type', 'width', 'height'], ['id' => $id]);
$photo = Photo::selectFirst(['resource-id', 'uid', 'id', 'title', 'type', 'width', 'height', 'blurhash'], ['id' => $id]);
if (empty($photo)) {
return [];
}
@ -104,6 +104,7 @@ class Attachment extends BaseFactory
'description' => $photo['title'],
'width' => $photo['width'],
'height' => $photo['height'],
'blurhash' => $photo['blurhash'],
];
$photoTypes = Images::supportedTypes();

1
src/Factory/Api/Mastodon/Card.php
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@ -74,6 +74,7 @@ class Card extends BaseFactory
$data['image'] = $attached['preview'];
$data['width'] = $attached['preview-width'];
$data['height'] = $attached['preview-height'];
$data['blurhash'] = $attached['blurhash'];
}
}

2
src/Model/Contact/Relation.php
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@ -76,7 +76,7 @@ class Relation
*/
public static function discoverByUser(int $uid)
{
$contact = Contact::selectFirst(['id', 'url'], ['uid' => $uid, 'self' => true]);
$contact = Contact::selectFirst(['id', 'url', 'network'], ['uid' => $uid, 'self' => true]);
if (empty($contact)) {
Logger::warning('Self contact for user not found', ['uid' => $uid]);
return;

1
src/Model/Photo.php
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@ -436,6 +436,7 @@ class Photo
'height' => $image->getHeight(),
'width' => $image->getWidth(),
'datasize' => strlen($image->asString()),
'blurhash' => $image->getBlurHash(),
'data' => $data,
'scale' => $scale,
'photo-type' => $type,

7
src/Model/Post/Media.php
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@ -117,7 +117,7 @@ class Media
*/
private static function unsetEmptyFields(array $media): array
{
$fields = ['mimetype', 'height', 'width', 'size', 'preview', 'preview-height', 'preview-width', 'description'];
$fields = ['mimetype', 'height', 'width', 'size', 'preview', 'preview-height', 'preview-width', 'blurhash', 'description'];
foreach ($fields as $field) {
if (empty($media[$field])) {
unset($media[$field]);
@ -203,6 +203,7 @@ class Media
$media['size'] = $imagedata['size'];
$media['width'] = $imagedata[0];
$media['height'] = $imagedata[1];
$media['blurhash'] = $imagedata['blurhash'] ?? null;
} else {
Logger::notice('No image data', ['media' => $media]);
}
@ -232,6 +233,7 @@ class Media
$media['preview'] = $data['images'][0]['src'] ?? null;
$media['preview-height'] = $data['images'][0]['height'] ?? null;
$media['preview-width'] = $data['images'][0]['width'] ?? null;
$media['blurhash'] = $data['images'][0]['blurhash'] ?? null;
$media['description'] = $data['text'] ?? null;
$media['name'] = $data['title'] ?? null;
$media['author-url'] = $data['author_url'] ?? null;
@ -287,6 +289,7 @@ class Media
$media['preview'] = null;
$media['preview-height'] = null;
$media['preview-width'] = null;
$media['blurhash'] = null;
$media['description'] = $item['body'];
$media['name'] = $item['title'];
$media['author-url'] = $item['author-link'];
@ -328,6 +331,7 @@ class Media
$media['preview'] = null;
$media['preview-height'] = null;
$media['preview-width'] = null;
$media['blurhash'] = null;
$media['description'] = $contact['about'];
$media['name'] = $contact['name'];
$media['author-url'] = $contact['url'];
@ -357,6 +361,7 @@ class Media
$media['size'] = $photo['datasize'];
$media['width'] = $photo['width'];
$media['height'] = $photo['height'];
$media['blurhash'] = $photo['blurhash'];
}
if (!preg_match('|.*?/photo/(.*[a-fA-F0-9])\-(.*[0-9])\..*[\w]|', $media['preview'] ?? '', $matches)) {

3
src/Object/Api/Mastodon/Attachment.php
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@ -46,6 +46,8 @@ class Attachment extends BaseDataTransferObject
protected $text_url;
/** @var string */
protected $description;
/** @var string */
protected $blurhash;
/** @var array */
protected $meta;
@ -68,6 +70,7 @@ class Attachment extends BaseDataTransferObject
$this->remote_url = $remote;
$this->text_url = $this->remote_url ?? $this->url;
$this->description = $attachment['description'];
$this->blurhash = $attachment['blurhash'];
if ($type === 'image') {
if ((int) $attachment['width'] > 0 && (int) $attachment['height'] > 0) {
$this->meta['original']['width'] = (int) $attachment['width'];

3
src/Object/Api/Mastodon/Card.php
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@ -52,6 +52,8 @@ class Card extends BaseDataTransferObject
protected $height;
/** @var string */
protected $image;
/** @var string */
protected $blurhash;
/**
* Creates a card record from an attachment array.
@ -72,6 +74,7 @@ class Card extends BaseDataTransferObject
$this->width = $attachment['width'] ?? 0;
$this->height = $attachment['height'] ?? 0;
$this->image = $attachment['image'] ?? '';
$this->blurhash = $attachment['blurhash'] ?? '';
$this->history = $history;
}

83
src/Object/Image.php
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@ -26,13 +26,15 @@ use Friendica\DI;
use Friendica\Util\Images;
use Imagick;
use ImagickPixel;
use GDImage;
use kornrunner\Blurhash\Blurhash;
/**
* Class to handle images
*/
class Image
{
/** @var Imagick|resource */
/** @var GDImage|Imagick|resource */
private $image;
/*
@ -695,14 +697,13 @@ class Image
try {
/* Clean it */
$this->image = $this->image->deconstructImages();
$string = $this->image->getImagesBlob();
return $string;
return $this->image->getImagesBlob();
} catch (Exception $e) {
return false;
}
}
ob_start();
$stream = fopen('php://memory','r+');
// Enable interlacing
imageinterlace($this->image, true);
@ -710,18 +711,82 @@ class Image
switch ($this->getType()) {
case 'image/png':
$quality = DI::config()->get('system', 'png_quality');
imagepng($this->image, null, $quality);
imagepng($this->image, $stream, $quality);
break;
case 'image/jpeg':
case 'image/jpg':
$quality = DI::config()->get('system', 'jpeg_quality');
imagejpeg($this->image, null, $quality);
imagejpeg($this->image, $stream, $quality);
break;
}
$string = ob_get_contents();
ob_end_clean();
rewind($stream);
return stream_get_contents($stream);
}
return $string;
/**
* Create a blurhash out of a given image string
*
* @param string $img_str
* @return string
*/
public function getBlurHash(): string
{
if ($this->isImagick()) {
// Imagick is not supported
return '';
}
$width = $this->getWidth();
$height = $this->getHeight();
if (max($width, $height) > 90) {
$this->scaleDown(90);
$width = $this->getWidth();
$height = $this->getHeight();
}
$pixels = [];
for ($y = 0; $y < $height; ++$y) {
$row = [];
for ($x = 0; $x < $width; ++$x) {
$index = imagecolorat($this->image, $x, $y);
$colors = imagecolorsforindex($this->image, $index);
$row[] = [$colors['red'], $colors['green'], $colors['blue']];
}
$pixels[] = $row;
}
// The components define the amount of details (1 to 9).
$components_x = 9;
$components_y = 9;
return Blurhash::encode($pixels, $components_x, $components_y);
}
/**
* Create an image out of a blurhash
*
* @param string $blurhash
* @param integer $width
* @param integer $height
* @return void
*/
public function getFromBlurHash(string $blurhash, int $width, int $height)
{
if ($this->isImagick()) {
// Imagick is not supported
return;
}
$pixels = Blurhash::decode($blurhash, $width, $height);
$this->image = imagecreatetruecolor($width, $height);
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
[$r, $g, $b] = $pixels[$y][$x];
imagesetpixel($this->image, $x, $y, imagecolorallocate($this->image, $r, $g, $b));
}
}
}
}

4
src/Util/Images.php
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@ -25,6 +25,7 @@ use Friendica\Core\Logger;
use Friendica\DI;
use Friendica\Model\Photo;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Object\Image;
/**
* Image utilities
@ -244,6 +245,9 @@ class Images
}
if ($data) {
$image = new Image($img_str);
$data['blurhash'] = $image->getBlurHash();
$data['size'] = $filesize;
}

1
src/Util/ParseUrl.php
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@ -567,6 +567,7 @@ class ParseUrl
$image['width'] = $photodata[0];
$image['height'] = $photodata[1];
$image['contenttype'] = $photodata['mime'];
$image['blurhash'] = $photodata['blurhash'] ?? null;
unset($image['url']);
ksort($image);
} else {

2
static/dbstructure.config.php
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@ -1129,6 +1129,7 @@ return [
"height" => ["type" => "smallint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
"width" => ["type" => "smallint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
"datasize" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "comment" => ""],
"blurhash" => ["type" => "varbinary(255)", "comment" => "BlurHash representation of the photo"],
"data" => ["type" => "mediumblob", "not null" => "1", "comment" => ""],
"scale" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
"profile" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
@ -1340,6 +1341,7 @@ return [
"height" => ["type" => "smallint unsigned", "comment" => "Height of the media"],
"width" => ["type" => "smallint unsigned", "comment" => "Width of the media"],
"size" => ["type" => "bigint unsigned", "comment" => "Media size"],
"blurhash" => ["type" => "varbinary(255)", "comment" => "BlurHash representation of the image"],
"preview" => ["type" => "varbinary(512)", "comment" => "Preview URL"],
"preview-height" => ["type" => "smallint unsigned", "comment" => "Height of the preview picture"],
"preview-width" => ["type" => "smallint unsigned", "comment" => "Width of the preview picture"],