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<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */
declare (strict_types=1);
namespace RectorPrefix202411\Nette\Utils;

use RectorPrefix202411\Nette;
/**
 * Basic manipulation with images. Supported types are JPEG, PNG, GIF, WEBP, AVIF and BMP.
 *
 * <code>
 * $image = Image::fromFile('nette.jpg');
 * $image->resize(150, 100);
 * $image->sharpen();
 * $image->send();
 * </code>
 *
 * @method Image affine(array $affine, ?array $clip = null)
 * @method void alphaBlending(bool $enable)
 * @method void antialias(bool $enable)
 * @method void arc(int $centerX, int $centerY, int $width, int $height, int $startAngle, int $endAngle, ImageColor $color)
 * @method int colorAllocate(int $red, int $green, int $blue)
 * @method int colorAllocateAlpha(int $red, int $green, int $blue, int $alpha)
 * @method int colorAt(int $x, int $y)
 * @method int colorClosest(int $red, int $green, int $blue)
 * @method int colorClosestAlpha(int $red, int $green, int $blue, int $alpha)
 * @method int colorClosestHWB(int $red, int $green, int $blue)
 * @method void colorDeallocate(int $color)
 * @method int colorExact(int $red, int $green, int $blue)
 * @method int colorExactAlpha(int $red, int $green, int $blue, int $alpha)
 * @method void colorMatch(Image $image2)
 * @method int colorResolve(int $red, int $green, int $blue)
 * @method int colorResolveAlpha(int $red, int $green, int $blue, int $alpha)
 * @method void colorSet(int $index, int $red, int $green, int $blue, int $alpha = 0)
 * @method array colorsForIndex(int $color)
 * @method int colorsTotal()
 * @method int colorTransparent(?int $color = null)
 * @method void convolution(array $matrix, float $div, float $offset)
 * @method void copy(Image $src, int $dstX, int $dstY, int $srcX, int $srcY, int $srcW, int $srcH)
 * @method void copyMerge(Image $src, int $dstX, int $dstY, int $srcX, int $srcY, int $srcW, int $srcH, int $pct)
 * @method void copyMergeGray(Image $src, int $dstX, int $dstY, int $srcX, int $srcY, int $srcW, int $srcH, int $pct)
 * @method void copyResampled(Image $src, int $dstX, int $dstY, int $srcX, int $srcY, int $dstW, int $dstH, int $srcW, int $srcH)
 * @method void copyResized(Image $src, int $dstX, int $dstY, int $srcX, int $srcY, int $dstW, int $dstH, int $srcW, int $srcH)
 * @method Image cropAuto(int $mode = IMG_CROP_DEFAULT, float $threshold = .5, ?ImageColor $color = null)
 * @method void ellipse(int $centerX, int $centerY, int $width, int $height, ImageColor $color)
 * @method void fill(int $x, int $y, ImageColor $color)
 * @method void filledArc(int $centerX, int $centerY, int $width, int $height, int $startAngle, int $endAngle, ImageColor $color, int $style)
 * @method void filledEllipse(int $centerX, int $centerY, int $width, int $height, ImageColor $color)
 * @method void filledPolygon(array $points, ImageColor $color)
 * @method void filledRectangle(int $x1, int $y1, int $x2, int $y2, ImageColor $color)
 * @method void fillToBorder(int $x, int $y, ImageColor $borderColor, ImageColor $color)
 * @method void filter(int $filter, ...$args)
 * @method void flip(int $mode)
 * @method array ftText(float $size, float $angle, int $x, int $y, ImageColor $color, string $fontFile, string $text, array $options = [])
 * @method void gammaCorrect(float $inputgamma, float $outputgamma)
 * @method array getClip()
 * @method int getInterpolation()
 * @method int interlace(?bool $enable = null)
 * @method bool isTrueColor()
 * @method void layerEffect(int $effect)
 * @method void line(int $x1, int $y1, int $x2, int $y2, ImageColor $color)
 * @method void openPolygon(array $points, ImageColor $color)
 * @method void paletteCopy(Image $source)
 * @method void paletteToTrueColor()
 * @method void polygon(array $points, ImageColor $color)
 * @method void rectangle(int $x1, int $y1, int $x2, int $y2, ImageColor $color)
 * @method mixed resolution(?int $resolutionX = null, ?int $resolutionY = null)
 * @method Image rotate(float $angle, ImageColor $backgroundColor)
 * @method void saveAlpha(bool $enable)
 * @method Image scale(int $newWidth, int $newHeight = -1, int $mode = IMG_BILINEAR_FIXED)
 * @method void setBrush(Image $brush)
 * @method void setClip(int $x1, int $y1, int $x2, int $y2)
 * @method void setInterpolation(int $method = IMG_BILINEAR_FIXED)
 * @method void setPixel(int $x, int $y, ImageColor $color)
 * @method void setStyle(array $style)
 * @method void setThickness(int $thickness)
 * @method void setTile(Image $tile)
 * @method void trueColorToPalette(bool $dither, int $ncolors)
 * @method array ttfText(float $size, float $angle, int $x, int $y, ImageColor $color, string $fontfile, string $text, array $options = [])
 * @property-read positive-int $width
 * @property-read positive-int $height
 * @property-read \GdImage $imageResource
 */
class Image
{
    use Nette\SmartObject;
    /** Prevent from getting resized to a bigger size than the original */
    public const ShrinkOnly = 0b1;
    /** Resizes to a specified width and height without keeping aspect ratio */
    public const Stretch = 0b10;
    /** Resizes to fit into a specified width and height and preserves aspect ratio */
    public const OrSmaller = 0b0;
    /** Resizes while bounding the smaller dimension to the specified width or height and preserves aspect ratio */
    public const OrBigger = 0b100;
    /** Resizes to the smallest possible size to completely cover specified width and height and reserves aspect ratio */
    public const Cover = 0b1000;
    /** @deprecated use Image::ShrinkOnly */
    public const SHRINK_ONLY = self::ShrinkOnly;
    /** @deprecated use Image::Stretch */
    public const STRETCH = self::Stretch;
    /** @deprecated use Image::OrSmaller */
    public const FIT = self::OrSmaller;
    /** @deprecated use Image::OrBigger */
    public const FILL = self::OrBigger;
    /** @deprecated use Image::Cover */
    public const EXACT = self::Cover;
    /** @deprecated use Image::EmptyGIF */
    public const EMPTY_GIF = self::EmptyGIF;
    /** image types */
    public const JPEG = ImageType::JPEG, PNG = ImageType::PNG, GIF = ImageType::GIF, WEBP = ImageType::WEBP, AVIF = ImageType::AVIF, BMP = ImageType::BMP;
    public const EmptyGIF = "GIF89a\x01\x00\x01\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00!\xf9\x04\x01\x00\x00\x00\x00,\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02D\x01\x00;";
    private const Formats = [ImageType::JPEG => 'jpeg', ImageType::PNG => 'png', ImageType::GIF => 'gif', ImageType::WEBP => 'webp', ImageType::AVIF => 'avif', ImageType::BMP => 'bmp'];
    /**
     * @var \GdImage
     */
    private $image;
    /**
     * Returns RGB color (0..255) and transparency (0..127).
     * @deprecated use ImageColor::rgb()
     */
    public static function rgb(int $red, int $green, int $blue, int $transparency = 0) : array
    {
        return ['red' => \max(0, \min(255, $red)), 'green' => \max(0, \min(255, $green)), 'blue' => \max(0, \min(255, $blue)), 'alpha' => \max(0, \min(127, $transparency))];
    }
    /**
     * Reads an image from a file and returns its type in $type.
     * @throws Nette\NotSupportedException if gd extension is not loaded
     * @throws UnknownImageFileException if file not found or file type is not known
     * @return static
     */
    public static function fromFile(string $file, ?int &$type = null)
    {
        self::ensureExtension();
        $type = self::detectTypeFromFile($file);
        if (!$type) {
            throw new UnknownImageFileException(\is_file($file) ? "Unknown type of file '{$file}'." : "File '{$file}' not found.");
        }
        return self::invokeSafe('imagecreatefrom' . self::Formats[$type], $file, "Unable to open file '{$file}'.", __METHOD__);
    }
    /**
     * Reads an image from a string and returns its type in $type.
     * @throws Nette\NotSupportedException if gd extension is not loaded
     * @throws ImageException
     * @return static
     */
    public static function fromString(string $s, ?int &$type = null)
    {
        self::ensureExtension();
        $type = self::detectTypeFromString($s);
        if (!$type) {
            throw new UnknownImageFileException('Unknown type of image.');
        }
        return self::invokeSafe('imagecreatefromstring', $s, 'Unable to open image from string.', __METHOD__);
    }
    /**
     * @return static
     */
    private static function invokeSafe(string $func, string $arg, string $message, string $callee)
    {
        $errors = [];
        $res = Callback::invokeSafe($func, [$arg], function (string $message) use(&$errors) : void {
            $errors[] = $message;
        });
        if (!$res) {
            throw new ImageException($message . ' Errors: ' . \implode(', ', $errors));
        } elseif ($errors) {
            \trigger_error($callee . '(): ' . \implode(', ', $errors), \E_USER_WARNING);
        }
        return new static($res);
    }
    /**
     * Creates a new true color image of the given dimensions. The default color is black.
     * @param  positive-int  $width
     * @param  positive-int  $height
     * @throws Nette\NotSupportedException if gd extension is not loaded
     * @param \Nette\Utils\ImageColor|mixed[]|null $color
     * @return static
     */
    public static function fromBlank(int $width, int $height, $color = null)
    {
        self::ensureExtension();
        if ($width < 1 || $height < 1) {
            throw new Nette\InvalidArgumentException('Image width and height must be greater than zero.');
        }
        $image = new static(\imagecreatetruecolor($width, $height));
        if ($color) {
            $image->alphablending(\false);
            $image->filledrectangle(0, 0, $width - 1, $height - 1, $color);
            $image->alphablending(\true);
        }
        return $image;
    }
    /**
     * Returns the type of image from file.
     * @return ImageType::*|null
     */
    public static function detectTypeFromFile(string $file, &$width = null, &$height = null) : ?int
    {
        [$width, $height, $type] = @\getimagesize($file);
        // @ - files smaller than 12 bytes causes read error
        return isset(self::Formats[$type]) ? $type : null;
    }
    /**
     * Returns the type of image from string.
     * @return ImageType::*|null
     */
    public static function detectTypeFromString(string $s, &$width = null, &$height = null) : ?int
    {
        [$width, $height, $type] = @\getimagesizefromstring($s);
        // @ - strings smaller than 12 bytes causes read error
        return isset(self::Formats[$type]) ? $type : null;
    }
    /**
     * Returns the file extension for the given image type.
     * @param  ImageType::*  $type
     * @return value-of<self::Formats>
     */
    public static function typeToExtension(int $type) : string
    {
        if (!isset(self::Formats[$type])) {
            throw new Nette\InvalidArgumentException("Unsupported image type '{$type}'.");
        }
        return self::Formats[$type];
    }
    /**
     * Returns the image type for given file extension.
     * @return ImageType::*
     */
    public static function extensionToType(string $extension) : int
    {
        $extensions = \array_flip(self::Formats) + ['jpg' => ImageType::JPEG];
        $extension = \strtolower($extension);
        if (!isset($extensions[$extension])) {
            throw new Nette\InvalidArgumentException("Unsupported file extension '{$extension}'.");
        }
        return $extensions[$extension];
    }
    /**
     * Returns the mime type for the given image type.
     * @param  ImageType::*  $type
     */
    public static function typeToMimeType(int $type) : string
    {
        return 'image/' . self::typeToExtension($type);
    }
    /**
     * @param  ImageType::*  $type
     */
    public static function isTypeSupported(int $type) : bool
    {
        self::ensureExtension();
        switch ($type) {
            case ImageType::JPEG:
                return \IMG_JPG;
            case ImageType::PNG:
                return \IMG_PNG;
            case ImageType::GIF:
                return \IMG_GIF;
            case ImageType::WEBP:
                return \IMG_WEBP;
            case ImageType::AVIF:
                return 256;
            case ImageType::BMP:
                return \IMG_BMP;
            default:
                return 0;
        }
    }
    /** @return  ImageType[] */
    public static function getSupportedTypes() : array
    {
        self::ensureExtension();
        $flag = \imagetypes();
        return \array_filter([
            $flag & \IMG_GIF ? ImageType::GIF : null,
            $flag & \IMG_JPG ? ImageType::JPEG : null,
            $flag & \IMG_PNG ? ImageType::PNG : null,
            $flag & \IMG_WEBP ? ImageType::WEBP : null,
            $flag & 256 ? ImageType::AVIF : null,
            // IMG_AVIF
            $flag & \IMG_BMP ? ImageType::BMP : null,
        ]);
    }
    /**
     * Wraps GD image.
     */
    public function __construct(\GdImage $image)
    {
        $this->setImageResource($image);
        \imagesavealpha($image, \true);
    }
    /**
     * Returns image width.
     * @return positive-int
     */
    public function getWidth() : int
    {
        return \imagesx($this->image);
    }
    /**
     * Returns image height.
     * @return positive-int
     */
    public function getHeight() : int
    {
        return \imagesy($this->image);
    }
    /**
     * Sets image resource.
     * @return static
     */
    protected function setImageResource(\GdImage $image)
    {
        $this->image = $image;
        return $this;
    }
    /**
     * Returns image GD resource.
     */
    public function getImageResource() : \GdImage
    {
        return $this->image;
    }
    /**
     * Scales an image. Width and height accept pixels or percent.
     * @param  int-mask-of<self::OrSmaller|self::OrBigger|self::Stretch|self::Cover|self::ShrinkOnly>  $mode
     * @param int|string|null $width
     * @param int|string|null $height
     * @return static
     */
    public function resize($width, $height, int $mode = self::OrSmaller)
    {
        if ($mode & self::Cover) {
            return $this->resize($width, $height, self::OrBigger)->crop('50%', '50%', $width, $height);
        }
        [$newWidth, $newHeight] = static::calculateSize($this->getWidth(), $this->getHeight(), $width, $height, $mode);
        if ($newWidth !== $this->getWidth() || $newHeight !== $this->getHeight()) {
            // resize
            $newImage = static::fromBlank($newWidth, $newHeight, ImageColor::rgb(0, 0, 0, 0))->getImageResource();
            \imagecopyresampled($newImage, $this->image, 0, 0, 0, 0, $newWidth, $newHeight, $this->getWidth(), $this->getHeight());
            $this->image = $newImage;
        }
        if ($width < 0 || $height < 0) {
            \imageflip($this->image, $width < 0 ? $height < 0 ? \IMG_FLIP_BOTH : \IMG_FLIP_HORIZONTAL : \IMG_FLIP_VERTICAL);
        }
        return $this;
    }
    /**
     * Calculates dimensions of resized image. Width and height accept pixels or percent.
     * @param  int-mask-of<self::OrSmaller|self::OrBigger|self::Stretch|self::Cover|self::ShrinkOnly>  $mode
     */
    public static function calculateSize(int $srcWidth, int $srcHeight, $newWidth, $newHeight, int $mode = self::OrSmaller) : array
    {
        if ($newWidth === null) {
        } elseif (self::isPercent($newWidth)) {
            $newWidth = (int) \round($srcWidth / 100 * \abs($newWidth));
            $percents = \true;
        } else {
            $newWidth = \abs($newWidth);
        }
        if ($newHeight === null) {
        } elseif (self::isPercent($newHeight)) {
            $newHeight = (int) \round($srcHeight / 100 * \abs($newHeight));
            $mode |= empty($percents) ? 0 : self::Stretch;
        } else {
            $newHeight = \abs($newHeight);
        }
        if ($mode & self::Stretch) {
            // non-proportional
            if (!$newWidth || !$newHeight) {
                throw new Nette\InvalidArgumentException('For stretching must be both width and height specified.');
            }
            if ($mode & self::ShrinkOnly) {
                $newWidth = \min($srcWidth, $newWidth);
                $newHeight = \min($srcHeight, $newHeight);
            }
        } else {
            // proportional
            if (!$newWidth && !$newHeight) {
                throw new Nette\InvalidArgumentException('At least width or height must be specified.');
            }
            $scale = [];
            if ($newWidth > 0) {
                // fit width
                $scale[] = $newWidth / $srcWidth;
            }
            if ($newHeight > 0) {
                // fit height
                $scale[] = $newHeight / $srcHeight;
            }
            if ($mode & self::OrBigger) {
                $scale = [\max($scale)];
            }
            if ($mode & self::ShrinkOnly) {
                $scale[] = 1;
            }
            $scale = \min($scale);
            $newWidth = (int) \round($srcWidth * $scale);
            $newHeight = (int) \round($srcHeight * $scale);
        }
        return [\max($newWidth, 1), \max($newHeight, 1)];
    }
    /**
     * Crops image. Arguments accepts pixels or percent.
     * @param int|string $left
     * @param int|string $top
     * @param int|string $width
     * @param int|string $height
     * @return static
     */
    public function crop($left, $top, $width, $height)
    {
        [$r['x'], $r['y'], $r['width'], $r['height']] = static::calculateCutout($this->getWidth(), $this->getHeight(), $left, $top, $width, $height);
        if (\gd_info()['GD Version'] === 'bundled (2.1.0 compatible)') {
            $this->image = \imagecrop($this->image, $r);
            \imagesavealpha($this->image, \true);
        } else {
            $newImage = static::fromBlank($r['width'], $r['height'], ImageColor::rgb(0, 0, 0, 0))->getImageResource();
            \imagecopy($newImage, $this->image, 0, 0, $r['x'], $r['y'], $r['width'], $r['height']);
            $this->image = $newImage;
        }
        return $this;
    }
    /**
     * Calculates dimensions of cutout in image. Arguments accepts pixels or percent.
     * @param int|string $left
     * @param int|string $top
     * @param int|string $newWidth
     * @param int|string $newHeight
     */
    public static function calculateCutout(int $srcWidth, int $srcHeight, $left, $top, $newWidth, $newHeight) : array
    {
        if (self::isPercent($newWidth)) {
            $newWidth = (int) \round($srcWidth / 100 * $newWidth);
        }
        if (self::isPercent($newHeight)) {
            $newHeight = (int) \round($srcHeight / 100 * $newHeight);
        }
        if (self::isPercent($left)) {
            $left = (int) \round(($srcWidth - $newWidth) / 100 * $left);
        }
        if (self::isPercent($top)) {
            $top = (int) \round(($srcHeight - $newHeight) / 100 * $top);
        }
        if ($left < 0) {
            $newWidth += $left;
            $left = 0;
        }
        if ($top < 0) {
            $newHeight += $top;
            $top = 0;
        }
        $newWidth = \min($newWidth, $srcWidth - $left);
        $newHeight = \min($newHeight, $srcHeight - $top);
        return [$left, $top, $newWidth, $newHeight];
    }
    /**
     * Sharpens image a little bit.
     * @return static
     */
    public function sharpen()
    {
        \imageconvolution($this->image, [
            // my magic numbers ;)
            [-1, -1, -1],
            [-1, 24, -1],
            [-1, -1, -1],
        ], 16, 0);
        return $this;
    }
    /**
     * Puts another image into this image. Left and top accepts pixels or percent.
     * @param  int<0, 100>  $opacity 0..100
     * @param int|string $left
     * @param int|string $top
     * @return static
     */
    public function place(self $image, $left = 0, $top = 0, int $opacity = 100)
    {
        $opacity = \max(0, \min(100, $opacity));
        if ($opacity === 0) {
            return $this;
        }
        $width = $image->getWidth();
        $height = $image->getHeight();
        if (self::isPercent($left)) {
            $left = (int) \round(($this->getWidth() - $width) / 100 * $left);
        }
        if (self::isPercent($top)) {
            $top = (int) \round(($this->getHeight() - $height) / 100 * $top);
        }
        $output = $input = $image->image;
        if ($opacity < 100) {
            $tbl = [];
            for ($i = 0; $i < 128; $i++) {
                $tbl[$i] = \round(127 - (127 - $i) * $opacity / 100);
            }
            $output = \imagecreatetruecolor($width, $height);
            \imagealphablending($output, \false);
            if (!$image->isTrueColor()) {
                $input = $output;
                \imagefilledrectangle($output, 0, 0, $width, $height, \imagecolorallocatealpha($output, 0, 0, 0, 127));
                \imagecopy($output, $image->image, 0, 0, 0, 0, $width, $height);
            }
            for ($x = 0; $x < $width; $x++) {
                for ($y = 0; $y < $height; $y++) {
                    $c = \imagecolorat($input, $x, $y);
                    $c = ($c & 0xffffff) + ($tbl[$c >> 24] << 24);
                    \imagesetpixel($output, $x, $y, $c);
                }
            }
            \imagealphablending($output, \true);
        }
        \imagecopy($this->image, $output, $left, $top, 0, 0, $width, $height);
        return $this;
    }
    /**
     * Calculates the bounding box for a TrueType text. Returns keys left, top, width and height.
     */
    public static function calculateTextBox(string $text, string $fontFile, float $size, float $angle = 0, array $options = []) : array
    {
        self::ensureExtension();
        $box = \imagettfbbox($size, $angle, $fontFile, $text, $options);
        return ['left' => $minX = \min([$box[0], $box[2], $box[4], $box[6]]), 'top' => $minY = \min([$box[1], $box[3], $box[5], $box[7]]), 'width' => \max([$box[0], $box[2], $box[4], $box[6]]) - $minX + 1, 'height' => \max([$box[1], $box[3], $box[5], $box[7]]) - $minY + 1];
    }
    /**
     * Draw a rectangle.
     */
    public function rectangleWH(int $x, int $y, int $width, int $height, ImageColor $color) : void
    {
        if ($width !== 0 && $height !== 0) {
            $this->rectangle($x, $y, $x + $width + ($width > 0 ? -1 : 1), $y + $height + ($height > 0 ? -1 : 1), $color);
        }
    }
    /**
     * Draw a filled rectangle.
     */
    public function filledRectangleWH(int $x, int $y, int $width, int $height, ImageColor $color) : void
    {
        if ($width !== 0 && $height !== 0) {
            $this->filledRectangle($x, $y, $x + $width + ($width > 0 ? -1 : 1), $y + $height + ($height > 0 ? -1 : 1), $color);
        }
    }
    /**
     * Saves image to the file. Quality is in the range 0..100 for JPEG (default 85), WEBP (default 80) and AVIF (default 30) and 0..9 for PNG (default 9).
     * @param  ImageType::*|null  $type
     * @throws ImageException
     */
    public function save(string $file, ?int $quality = null, ?int $type = null) : void
    {
        $type = $type ?? self::extensionToType(\pathinfo($file, \PATHINFO_EXTENSION));
        $this->output($type, $quality, $file);
    }
    /**
     * Outputs image to string. Quality is in the range 0..100 for JPEG (default 85), WEBP (default 80) and AVIF (default 30) and 0..9 for PNG (default 9).
     * @param  ImageType::*  $type
     */
    public function toString(int $type = ImageType::JPEG, ?int $quality = null) : string
    {
        return Helpers::capture(function () use($type, $quality) : void {
            $this->output($type, $quality);
        });
    }
    /**
     * Outputs image to string.
     */
    public function __toString() : string
    {
        return $this->toString();
    }
    /**
     * Outputs image to browser. Quality is in the range 0..100 for JPEG (default 85), WEBP (default 80) and AVIF (default 30) and 0..9 for PNG (default 9).
     * @param  ImageType::*  $type
     * @throws ImageException
     */
    public function send(int $type = ImageType::JPEG, ?int $quality = null) : void
    {
        \header('Content-Type: ' . self::typeToMimeType($type));
        $this->output($type, $quality);
    }
    /**
     * Outputs image to browser or file.
     * @param  ImageType::*  $type
     * @throws ImageException
     */
    private function output(int $type, ?int $quality, ?string $file = null) : void
    {
        switch ($type) {
            case ImageType::JPEG:
                $quality = $quality === null ? 85 : \max(0, \min(100, $quality));
                $success = @\imagejpeg($this->image, $file, $quality);
                // @ is escalated to exception
                break;
            case ImageType::PNG:
                $quality = $quality === null ? 9 : \max(0, \min(9, $quality));
                $success = @\imagepng($this->image, $file, $quality);
                // @ is escalated to exception
                break;
            case ImageType::GIF:
                $success = @\imagegif($this->image, $file);
                // @ is escalated to exception
                break;
            case ImageType::WEBP:
                $quality = $quality === null ? 80 : \max(0, \min(100, $quality));
                $success = @\imagewebp($this->image, $file, $quality);
                // @ is escalated to exception
                break;
            case ImageType::AVIF:
                $quality = $quality === null ? 30 : \max(0, \min(100, $quality));
                $success = @\imageavif($this->image, $file, $quality);
                // @ is escalated to exception
                break;
            case ImageType::BMP:
                $success = @\imagebmp($this->image, $file);
                // @ is escalated to exception
                break;
            default:
                throw new Nette\InvalidArgumentException("Unsupported image type '{$type}'.");
        }
        if (!$success) {
            throw new ImageException(Helpers::getLastError() ?: 'Unknown error');
        }
    }
    /**
     * Call to undefined method.
     * @throws Nette\MemberAccessException
     * @return mixed
     */
    public function __call(string $name, array $args)
    {
        $function = 'image' . $name;
        if (!\function_exists($function)) {
            ObjectHelpers::strictCall(static::class, $name);
        }
        foreach ($args as $key => $value) {
            if ($value instanceof self) {
                $args[$key] = $value->getImageResource();
            } elseif ($value instanceof ImageColor || \is_array($value) && isset($value['red'])) {
                $args[$key] = $this->resolveColor($value);
            }
        }
        $res = $function($this->image, ...$args);
        return \is_resource($res) || $res instanceof \GdImage ? $this->setImageResource($res) : $res;
    }
    public function __clone()
    {
        \ob_start(function () {
        });
        \imagepng($this->image, null, 0);
        $this->setImageResource(\imagecreatefromstring(\ob_get_clean()));
    }
    /**
     * @param int|string $num
     */
    private static function isPercent(&$num) : bool
    {
        if (\is_string($num) && \substr_compare($num, '%', -\strlen('%')) === 0) {
            $num = (float) \substr($num, 0, -1);
            return \true;
        } elseif (\is_int($num) || $num === (string) (int) $num) {
            $num = (int) $num;
            return \false;
        }
        throw new Nette\InvalidArgumentException("Expected dimension in int|string, '{$num}' given.");
    }
    /**
     * Prevents serialization.
     */
    public function __sleep() : array
    {
        throw new Nette\NotSupportedException('You cannot serialize or unserialize ' . self::class . ' instances.');
    }
    /**
     * @param \Nette\Utils\ImageColor|mixed[] $color
     */
    public function resolveColor($color) : int
    {
        $color = $color instanceof ImageColor ? $color->toRGBA() : \array_values($color);
        return \imagecolorallocatealpha($this->image, ...$color) ?: \imagecolorresolvealpha($this->image, ...$color);
    }
    private static function ensureExtension() : void
    {
        if (!\extension_loaded('gd')) {
            throw new Nette\NotSupportedException('PHP extension GD is not loaded.');
        }
    }
}
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