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tainacan
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feat: add get image blurhash #456

This commit is contained in:
vnmedeiros 2020-12-17 10:09:38 -03:00
parent 530f47bb38
commit c1d28d6441
2 changed files with 37 additions and 2 deletions
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5
composer.json
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@ -1,10 +1,11 @@
{ {
"name": "medialabufg/tainacan", "name": "tainacan/tainacan",
"description": "Transforme seu site wordpress em um repositório digital.", "description": "Transforme seu site wordpress em um repositório digital.",
"type": "wordpress-plugin", "type": "wordpress-plugin",
"require": { "require": {
"respect/validation": "^1.1", "respect/validation": "^1.1",
"smalot/pdfparser": "*" "smalot/pdfparser": "*",
"kornrunner/blurhash": "^1.1"
}, },
"require-dev": { "require-dev": {
"squizlabs/php_codesniffer": "^2.2 || ^3.0.2", "squizlabs/php_codesniffer": "^2.2 || ^3.0.2",

34
src/classes/entities/class-tainacan-item.php
View File

@ -130,13 +130,47 @@ class Item extends Entity {
array_unshift($sizes, 'full'); array_unshift($sizes, 'full');
if( in_array('tainacan-small', $sizes ) ) {
$tmp_src = wp_get_attachment_image_src( $this->get__thumbnail_id(), 'tainacan-small' );
$blurhash = $this->get_iamge_blurhash($tmp_src[0], $tmp_src[1], $tmp_src[2]);
}
foreach ( $sizes as $size ) { foreach ( $sizes as $size ) {
$thumbs[$size] = wp_get_attachment_image_src( $this->get__thumbnail_id(), $size ); $thumbs[$size] = wp_get_attachment_image_src( $this->get__thumbnail_id(), $size );
$thumbs[$size][] = $blurhash;
} }
return apply_filters("tainacan-item-get-thumbnail", $thumbs, $this); return apply_filters("tainacan-item-get-thumbnail", $thumbs, $this);
} }
private function get_iamge_blurhash($file_path, $width, $height) {
$image = imagecreatefromstring(file_get_contents($file_path));
if($image == false)
return '';
$max_width = 45;
if( $width > $max_width ) {
$image = imagescale($image, $max_width);
$width = imagesx($image);
$height = imagesy($image);
}
$pixels = [];
for ($y = 0; $y < $height; ++$y) {
$row = [];
for ($x = 0; $x < $width; ++$x) {
$index = imagecolorat($image, $x, $y);
$colors = imagecolorsforindex($image, $index);
$row[] = [$colors['red'], $colors['green'], $colors['blue']];
}
$pixels[] = $row;
}
$components_x = 4;
$components_y = 3;
$blurhash = \kornrunner\Blurhash\Blurhash::encode($pixels, $components_x, $components_y);
return $blurhash;
}
/** /**
* @param $id * @param $id
*/ */