cacheImageGd

cacheImageGd

    public static function cacheImageGd(Filesystem $cache, $imageData, int $w, int $h, string $jpegName, string $webpName)
    {
        $srcImage = imagecreatefromstring($imageData);
        $srcWidth = imagesx($srcImage);
        $srcHeight = imagesy($srcImage);

        $widthRatio = $w / $srcWidth;
        $heightRatio = $h / $srcHeight;
        $x = $y = 0;

        if ($w == 0) {
            // Scale based on height
            $height = $h;
            $width = $w = round($heightRatio * $srcWidth);
        } elseif ($h == 0) {
            // Scale based on width
            $width = $w;
            $height = $h = round($widthRatio * $srcHeight);
        } elseif ($widthRatio < $heightRatio) {
            $width = round($widthRatio * $srcWidth);
            $height = round($widthRatio * $srcHeight);
            $y = ($h - $height) / 2;
        } else {
            $width = round($heightRatio * $srcWidth);
            $height = round($heightRatio * $srcHeight);
            $x = ($w - $width) / 2;
        }

        $copy = imagecreatetruecolor((int) $w, (int) $h);

        /** @psalm-suppress InvalidArgument */
        imageinterlace($copy, true);

        // Background to white!
        $whiteBackground = imagecolorallocate($copy, 255, 255, 255);
        imagefill($copy, 0, 0, $whiteBackground);

        imagecopyresampled($copy, $srcImage, (int) $x, (int) $y, 0, 0, (int) $width, (int) $height, $srcWidth, $srcHeight);
        imagedestroy($srcImage);

        // Sharpen - From intervention image
        $amount = 10;
        $min = $amount >= 10 ? $amount * -0.01 : 0;
        $max = $amount * -0.025;
        $abs = ((4 * $min + 4 * $max) * -1) + 1;
        $divisor = 1;

        $sharpenMatrix = [
            [$min, $max, $min],
            [$max, $abs, $max],
            [$min, $max, $min],
        ];

        imageconvolution($copy, $sharpenMatrix, $divisor, 0);

        ob_start();
        imagejpeg($copy, null, self::IMAGE_QUALITY);
        $jpegData = ob_get_contents();
        ob_end_clean();
        if (! empty($jpegData)) {
            // Remove current if exists
            if ($cache->exists($jpegName)) {
                $cache->delete($jpegName);
            }

            $cache->put($jpegName, $jpegData);
            self::logInfo("{$jpegName} created");

            $errorData = [];
            if (function_exists('imagewebp')) {
                ob_start();
                imagewebp($copy, null, self::IMAGE_QUALITY);
                $webpData = ob_get_contents();
                ob_end_clean();
            }

            if (! empty($webpData)) {
                // Remove current if exists
                if ($cache->exists($webpName)) {
                    $cache->delete($webpName);
                }

                $cache->put($webpName, $webpData);
                self::logInfo("{$webpName} created");
                unset($webpData);
            } else {
                self::logError("Failed to create {$webpName}", $errorData);
            }

            // Cleanup
            unset($jpegData);
            Storage::disk('local')->delete("images/{$jpegName}");
            Storage::disk('local')->delete("images/{$webpName}");
        } else {
            self::logError("Failed to create {$jpegName}");
        }

        imagedestroy($copy);
    }