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204 lines
4.7 KiB
204 lines
4.7 KiB
2 years ago
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<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Image;
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use function count;
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use function extension_loaded;
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use function function_exists;
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use function imagearc;
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use function imagecolorallocate;
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use function imagecopyresampled;
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use function imagecreatefromstring;
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use function imagecreatetruecolor;
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use function imagedestroy;
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use function imagefilledpolygon;
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use function imagefilledrectangle;
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use function imagejpeg;
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use function imageline;
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use function imagepng;
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use function imagestring;
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use function imagesx;
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use function imagesy;
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use const PHP_VERSION_ID;
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final class ImageWrapper
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{
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/** @var resource */
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private $image;
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/**
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* @param resource $image
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*/
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private function __construct($image)
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{
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$this->image = $image;
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}
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/**
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* @return resource
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*/
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public function getImage()
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{
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return $this->image;
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}
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/**
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* @param array<string, int>|null $background
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* @psalm-param array{red: int, green: int, blue: int} $background
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*/
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public static function create(int $width, int $height, ?array $background = null): ?self
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{
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if (! extension_loaded('gd')) {
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return null;
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}
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$image = imagecreatetruecolor($width, $height);
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if ($image === false) {
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return null;
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}
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if (! isset($background, $background['red'], $background['green'], $background['blue'])) {
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return new self($image);
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}
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$backgroundColor = imagecolorallocate($image, $background['red'], $background['green'], $background['blue']);
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if ($backgroundColor === false) {
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imagedestroy($image);
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return null;
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}
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if (! imagefilledrectangle($image, 0, 0, $width - 1, $height - 1, $backgroundColor)) {
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imagedestroy($image);
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return null;
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}
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return new self($image);
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}
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public static function fromString(string $data): ?self
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{
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if (! extension_loaded('gd')) {
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return null;
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}
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$image = imagecreatefromstring($data);
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if ($image === false) {
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return null;
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}
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return new self($image);
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}
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public function arc(
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int $centerX,
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int $centerY,
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int $width,
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int $height,
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int $startAngle,
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int $endAngle,
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int $color
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): bool {
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return imagearc($this->image, $centerX, $centerY, $width, $height, $startAngle, $endAngle, $color);
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}
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/**
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* @return int|false
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*/
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public function colorAllocate(int $red, int $green, int $blue)
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{
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return imagecolorallocate($this->image, $red, $green, $blue);
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}
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public function copyResampled(
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ImageWrapper $sourceImage,
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int $destinationX,
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int $destinationY,
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int $sourceX,
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int $sourceY,
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int $destinationWidth,
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int $destinationHeight,
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int $sourceWidth,
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int $sourceHeight
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): bool {
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return imagecopyresampled(
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$this->image,
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$sourceImage->getImage(),
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$destinationX,
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$destinationY,
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$sourceX,
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$sourceY,
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$destinationWidth,
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$destinationHeight,
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$sourceWidth,
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$sourceHeight
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);
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}
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public function destroy(): bool
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{
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if (PHP_VERSION_ID >= 80000) {
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return true;
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}
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return imagedestroy($this->image);
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}
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public function filledPolygon(array $points, int $color): bool
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{
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if (PHP_VERSION_ID < 80000) {
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return imagefilledpolygon($this->image, $points, (int) (count($points) / 2), $color);
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}
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return imagefilledpolygon($this->image, $points, $color);
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}
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public function height(): int
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{
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return imagesy($this->image);
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}
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/**
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* @param resource|string|null $file
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*/
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public function jpeg($file = null, int $quality = -1): bool
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{
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if (! function_exists('imagejpeg')) {
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return false;
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}
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return imagejpeg($this->image, $file, $quality);
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}
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public function line(int $x1, int $y1, int $x2, int $y2, int $color): bool
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{
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return imageline($this->image, $x1, $y1, $x2, $y2, $color);
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}
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/**
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* @param resource|string|null $file
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*/
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public function png($file = null, int $quality = -1, int $filters = -1): bool
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{
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if (! function_exists('imagepng')) {
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return false;
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}
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return imagepng($this->image, $file, $quality, $filters);
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}
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public function string(int $font, int $x, int $y, string $string, int $color): bool
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{
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return imagestring($this->image, $font, $x, $y, $string, $color);
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}
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public function width(): int
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{
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return imagesx($this->image);
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}
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}
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