kuvalda-file/Image.php

80 lines
2.5 KiB
PHP

<?php
namespace dominion\file;
use Yii;
use Imagine\Image\Palette\RGB;
use Imagine\Image\ManipulatorInterface;
use Imagine\Image\Point;
use Imagine\Image\ImageInterface;
class Image extends \yii\imagine\Image
{
public static function thumbnail($image, $width, $height, $mode = ManipulatorInterface::THUMBNAIL_OUTBOUND)
{
$img = self::ensureImageInterfaceInstance($image);
/** @var BoxInterface $sourceBox */
$sourceBox = $img->getSize();
$thumbnailBox = static::getThumbnailBox($sourceBox, $width, $height);
$img = $img->thumbnail($thumbnailBox, $mode);
$size = $img->getSize();
$palette = new RGB();
$color = $palette->color(static::$thumbnailBackgroundColor, static::$thumbnailBackgroundAlpha);
// create empty image to preserve aspect ratio of thumbnail
$thumb = static::getImagine()->create($thumbnailBox, $color);
// calculate points
$startX = 0;
$startY = 0;
if ($size->getWidth() < $width) {
$startX = ceil(($width - $size->getWidth()) / 2);
}
if ($size->getHeight() < $height) {
$startY = ceil(($height - $size->getHeight()) / 2);
}
$thumb->paste($img, new Point($startX, $startY));
return $thumb;
}
public static function thumbnailFileTemplate($image, $width, $height, $fileTemplate, $mode = ImageInterface::THUMBNAIL_INSET)
{
$newWidth = $width - $fileTemplate['border_right'] - $fileTemplate['border_left'];
$newHeight = $height - $fileTemplate['border_top'] - $fileTemplate['border_bottom'];
$img = self::ensureImageInterfaceInstance($image);
/** @var BoxInterface $sourceBox */
$sourceBox = $img->getSize();
$thumbnailBox = static::getThumbnailBox($sourceBox, $newWidth, $newHeight);
$img = $img->thumbnail($thumbnailBox, $mode);
$size = $img->getSize();
// calculate points
$startX = 0;
$startY = 0;
if ($size->getWidth() < $newWidth) {
$startX = ceil(($newWidth - $size->getWidth()) / 2);
}
if ($size->getHeight() < $newHeight) {
$startY = ceil(($newHeight - $size->getHeight()) / 2);
}
$startX += $fileTemplate['border_right'];
$startY += $fileTemplate['border_top'];
// create empty image to preserve aspect ratio of thumbnail
$thumb = static::getImagine()->open($fileTemplate['filePatch']);
$thumb->paste($img, new Point($startX, $startY));
return $thumb;
}
}