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<?php |
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/** |
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* Created by PhpStorm. |
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* User: floor12 |
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* Date: 03.04.2016 |
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* Time: 21:21 |
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*/ |
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namespace floor12\files\components; |
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use yii\base\ErrorException; |
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use function PHPUnit\Framework\fileExists; |
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class SimpleImage |
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{ |
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var $image; |
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var $image_type; |
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function load($filename) |
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{ |
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$image_info = getimagesize($filename); |
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$this->image_type = $image_info[2]; |
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if ($this->image_type == IMAGETYPE_JPEG) { |
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$this->image = imagecreatefromjpeg($filename); |
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} elseif ($this->image_type == IMAGETYPE_GIF) { |
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$this->image = imagecreatefromgif($filename); |
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imageSaveAlpha($this->image, true); |
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} elseif ($this->image_type == IMAGETYPE_PNG) { |
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$this->image = @imagecreatefrompng($filename); // https://stackoverflow.com/questions/22745076/libpng-warning-iccp-known-incorrect-srgb-profile |
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imageSaveAlpha($this->image, true); |
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} elseif ($this->image_type == IMAGETYPE_WEBP) { |
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$this->image = imagecreatefromwebp($filename); |
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} |
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} |
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function save($filename, $image_type = IMAGETYPE_JPEG, $compression = 75, $permissions = null) |
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{ |
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if ($image_type == IMAGETYPE_JPEG) { |
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imagejpeg($this->image, $filename, $compression); |
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} elseif ($image_type == IMAGETYPE_GIF) { |
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imagegif($this->image, $filename); |
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} elseif ($image_type == IMAGETYPE_PNG) { |
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imagepng($this->image, $filename); |
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} elseif ($image_type == IMAGETYPE_WEBP) { |
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$dst = imagecreatetruecolor(imagesx($this->image), imagesy($this->image)); |
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imagealphablending($dst, false); |
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imagesavealpha($dst, true); |
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$transparent = imagecolorallocatealpha($dst, 255, 255, 255, 127); |
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imagefilledrectangle($dst, 0, 0, imagesx($this->image), imagesy($this->image), $transparent); |
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imagecopy($dst, $this->image, 0, 0, 0, 0, imagesx($this->image), imagesy($this->image)); |
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imagewebp($dst, $filename); |
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} |
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if ($permissions != null) { |
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chmod($filename, $permissions); |
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} |
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} |
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function output($image_type = IMAGETYPE_JPEG) |
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{ |
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ob_start(); |
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if ($image_type == IMAGETYPE_JPEG) { |
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imagejpeg($this->image); |
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} elseif ($image_type == IMAGETYPE_GIF) { |
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imagegif($this->image); |
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} elseif ($image_type == IMAGETYPE_PNG) { |
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imagepng($this->image); |
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} elseif ($image_type == IMAGETYPE_WEBP) { |
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$dst = imagecreatetruecolor(imagesx($this->image), imagesy($this->image)); |
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imagealphablending($dst, false); |
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imagesavealpha($dst, true); |
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$transparent = imagecolorallocatealpha($dst, 255, 255, 255, 127); |
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imagefilledrectangle($dst, 0, 0, imagesx($this->image), imagesy($this->image), $transparent); |
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imagecopy($dst, $this->image, 0, 0, 0, 0, imagesx($this->image), imagesy($this->image)); |
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imagewebp($dst); |
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} |
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return ob_get_clean(); |
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} |
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function resizeToHeight($height) |
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{ |
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$ratio = $height / $this->getHeight(); |
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$width = $this->getWidth() * $ratio; |
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$this->resize($width, $height); |
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} |
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function getHeight() |
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{ |
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try { |
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return imagesy($this->image); |
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} catch (\Throwable $exception) { |
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throw new ErrorException('Unable to get height of image. Probably the image is corrupted.'); |
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} |
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} |
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function getWidth() |
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{ |
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try { |
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return imagesx($this->image); |
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} catch (\Throwable $exception) { |
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throw new ErrorException('Unable to get width of image. Probably the image is corrupted.'); |
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} |
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} |
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function resize($width, $height) |
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{ |
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$new_image = imagecreatetruecolor($width, $height); |
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imagealphablending($new_image, false); |
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imagesavealpha($new_image, true); |
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$transparent = imagecolorallocatealpha($new_image, 255, 255, 255, 127); |
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imagefilledrectangle($new_image, 0, 0, $width, $height, $transparent); |
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imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight()); |
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$this->image = $new_image; |
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} |
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function resizeToWidth($width) |
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{ |
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$ratio = $width / $this->getWidth(); |
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$height = $this->getheight() * $ratio; |
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$this->resize((int)$width, (int)$height); |
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} |
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function scale($scale) |
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{ |
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$width = $this->getWidth() * $scale / 100; |
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$height = $this->getheight() * $scale / 100; |
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$this->resize((int)$width, (int)$height); |
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} |
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function rotate($direction) |
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{ |
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$degrees = 90; |
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if ($direction == 2) |
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$degrees = 270; |
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$this->image = imagerotate($this->image, $degrees, 0); |
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} |
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function rotateDegrees($degrees) |
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{ |
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$this->image = imagerotate($this->image, $degrees, 0); |
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} |
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public function watermark($path) |
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{ |
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$stamp = imagecreatefrompng($path); |
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$transparentStamp = imagecreatetruecolor($this->getWidth(), $this->getHeight()); |
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imagealphablending($transparentStamp, false); |
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imagesavealpha($transparentStamp, true); |
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$transparent = imagecolorallocatealpha($transparentStamp, 255, 255, 255, 127); |
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imagecolortransparent($transparentStamp, $transparent); |
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imagefilledrectangle($transparentStamp, 0, 0, $this->getWidth(), $this->getHeight(), $transparent); |
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imagecopyresampled($transparentStamp, $stamp, 0, 0, 0, 0, $this->getWidth(), $this->getHeight(), $this->getWidth(), $this->getHeight()); |
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$newImage = imagecreatetruecolor($this->getWidth(), $this->getHeight()); |
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imagecopyresampled($newImage, $this->image, 0, 0, 0, 0, $this->getWidth(), $this->getHeight(), $this->getWidth(), $this->getHeight()); |
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imagecopyresampled($newImage, $transparentStamp, 0, 0, 0, 0, $this->getWidth(), $this->getHeight(), $this->getWidth(), $this->getHeight()); |
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$this->image = $newImage; |
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} |
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} |
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floor12 /
yii2-module-files
Loading history...
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.