First Commit

vendor/intervention/image/src/Intervention/Image/Gd/Encoder.php

@@ -0,0 +1,180 @@
+<?php
+
+namespace Intervention\Image\Gd;
+
+use Intervention\Image\Exception\NotSupportedException;
+
+class Encoder extends \Intervention\Image\AbstractEncoder
+{
+    /**
+     * Processes and returns encoded image as JPEG string
+     *
+     * @return string
+     */
+    protected function processJpeg()
+    {
+        ob_start();
+        imagejpeg($this->image->getCore(), null, $this->quality);
+        $this->image->mime = image_type_to_mime_type(IMAGETYPE_JPEG);
+        $buffer = ob_get_contents();
+        ob_end_clean();
+
+        return $buffer;
+    }
+
+    /**
+     * Processes and returns encoded image as PNG string
+     *
+     * @return string
+     */
+    protected function processPng()
+    {
+        ob_start();
+        $resource = $this->image->getCore();
+        imagealphablending($resource, false);
+        imagesavealpha($resource, true);
+        imagepng($resource, null, -1);
+        $this->image->mime = image_type_to_mime_type(IMAGETYPE_PNG);
+        $buffer = ob_get_contents();
+        ob_end_clean();
+
+        return $buffer;
+    }
+
+    /**
+     * Processes and returns encoded image as GIF string
+     *
+     * @return string
+     */
+    protected function processGif()
+    {
+        ob_start();
+        imagegif($this->image->getCore());
+        $this->image->mime = image_type_to_mime_type(IMAGETYPE_GIF);
+        $buffer = ob_get_contents();
+        ob_end_clean();
+
+        return $buffer;
+    }
+
+    /**
+     * Processes and returns encoded image as WEBP string
+     *
+     * @return string
+     */
+    protected function processWebp()
+    {
+        if ( ! function_exists('imagewebp')) {
+            throw new NotSupportedException(
+                "Webp format is not supported by PHP installation."
+            );
+        }
+
+        ob_start();
+        imagepalettetotruecolor($this->image->getCore());
+        imagealphablending($this->image->getCore(), true);
+        imagesavealpha($this->image->getCore(), true);
+        imagewebp($this->image->getCore(), null, $this->quality);
+        $this->image->mime = defined('IMAGETYPE_WEBP') ? image_type_to_mime_type(IMAGETYPE_WEBP) : 'image/webp';
+        $buffer = ob_get_contents();
+        ob_end_clean();
+        
+        return $buffer;
+    }
+
+    /**
+     * Processes and returns encoded image as TIFF string
+     *
+     * @return string
+     */
+    protected function processTiff()
+    {
+        throw new NotSupportedException(
+            "TIFF format is not supported by Gd Driver."
+        );
+    }
+
+    /**
+     * Processes and returns encoded image as BMP string
+     *
+     * @return string
+     */
+    protected function processBmp()
+    {
+        if ( ! function_exists('imagebmp')) {
+            throw new NotSupportedException(
+                "BMP format is not supported by PHP installation."
+            );
+        }
+
+        ob_start();
+        imagebmp($this->image->getCore());
+        $this->image->mime = defined('IMAGETYPE_BMP') ? image_type_to_mime_type(IMAGETYPE_BMP) : 'image/bmp';
+        $buffer = ob_get_contents();
+        ob_end_clean();
+        
+        return $buffer;
+    }
+
+    /**
+     * Processes and returns encoded image as ICO string
+     *
+     * @return string
+     */
+    protected function processIco()
+    {
+        throw new NotSupportedException(
+            "ICO format is not supported by Gd Driver."
+        );
+    }
+
+    /**
+     * Processes and returns encoded image as PSD string
+     *
+     * @return string
+     */
+    protected function processPsd()
+    {
+        throw new NotSupportedException(
+            "PSD format is not supported by Gd Driver."
+        );
+    }
+
+    /**
+     * Processes and returns encoded image as AVIF string
+     *
+     * @return string
+     */
+    protected function processAvif()
+    {
+	    if ( ! function_exists('imageavif')) {
+		    throw new NotSupportedException(
+		      "AVIF format is not supported by PHP installation."
+		    );
+	    }
+
+	    ob_start();
+        $resource = $this->image->getCore();
+	    imagepalettetotruecolor($resource);
+	    imagealphablending($resource, true);
+	    imagesavealpha($resource, true);
+	    imageavif($resource, null, $this->quality);
+	    $this->image->mime = defined('IMAGETYPE_AVIF') ? image_type_to_mime_type(IMAGETYPE_AVIF) : 'image/avif';
+	    $buffer = ob_get_contents();
+	    ob_end_clean();
+
+	    return $buffer;
+    }
+
+    /**
+     * Processes and returns encoded image as HEIC string
+     *
+     * @return string
+     */
+    protected function processHeic()
+    {
+        throw new NotSupportedException(
+            "HEIC format is not supported by Gd Driver."
+        );
+    }
+}