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<?php |
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declare(strict_types=1); |
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namespace VideoGamesRecords\CoreBundle\File; |
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use Exception; |
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use GdImage; |
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use VideoGamesRecords\CoreBundle\Contracts\PictureInterface; |
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class Picture implements PictureInterface |
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{ |
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protected $image = null; |
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protected array $fonts = []; |
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protected array $colors = []; |
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protected ?int $activeColor = null; |
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protected ?string $activeFont = null; |
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/** |
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* Picture constructor. |
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* @param $width |
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* @param $height |
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*/ |
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public function __construct($width, $height) |
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{ |
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$width = (int) $width; |
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$height = (int) $height; |
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$this->image = imagecreatetruecolor($width, $height); |
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} |
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/** |
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* @param GdImage $image |
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* @return Picture |
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*/ |
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public static function create(GdImage $image): Picture |
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{ |
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$oSelf = new self(imagesx($image), imagesy($image)); |
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$oSrc = new self(imagesx($image), imagesy($image)); |
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$oSrc->setImage($image); |
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$oSelf->copyResized($oSrc, 0, 0); |
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unset($oSrc); |
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return $oSelf; |
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} |
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/** |
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* |
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*/ |
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public function __destruct() |
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{ |
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imagedestroy($this->image); |
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} |
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/** |
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* @param $image |
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* @return $this |
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*/ |
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public function setImage($image): Picture |
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{ |
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$this->image = $image; |
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return $this; |
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} |
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/** |
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* @return int |
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*/ |
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public function getWidth(): int |
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{ |
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return imagesx($this->image); |
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} |
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/** |
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* @return int |
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*/ |
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public function getHeight(): 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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* @return GdImage|null |
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*/ |
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public function getImage(): ?GdImage |
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{ |
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return $this->image; |
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} |
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/** |
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* @param $name |
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* @return mixed |
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* @throws Exception |
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*/ |
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public function getColor($name): mixed |
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{ |
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if (!isset($this->colors[$name])) { |
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throw new Exception('Unknown color ' . $name . '.'); |
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} |
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$this->activeColor = $this->colors[$name]; |
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return $this->colors[$name]; |
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} |
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/** |
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* @param $name |
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* @return mixed |
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* @throws Exception |
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*/ |
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public function getFont($name): mixed |
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{ |
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if (!isset($this->fonts[$name])) { |
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throw new Exception('Unknown font ' . $name . '.'); |
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} |
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$this->activeFont = $this->fonts[$name]; |
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return $this->fonts[$name]; |
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} |
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/** |
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* @param $name |
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* @param $filePath |
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* @return Picture |
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* @throws Exception |
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*/ |
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public function addFont($name, $filePath): Picture |
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{ |
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$fontPath = realpath($filePath); |
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if ($fontPath === false) { |
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throw new Exception('Unable to load font file. The file does not exists.'); |
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} |
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$this->fonts[$name] = $fontPath; |
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$this->activeFont = $fontPath; |
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return $this; |
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} |
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/** |
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* @param $name |
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* @param $red |
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* @param $green |
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* @param $blue |
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* @param $alpha |
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* @return Picture |
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*/ |
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public function addColor($name, $red, $green, $blue, $alpha = null): Picture |
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{ |
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$red %= 256; |
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$green %= 256; |
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$blue %= 256; |
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if ($alpha !== null) { |
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$alpha %= 128; |
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$color = imagecolorallocatealpha($this->image, $red, $green, $blue, $alpha); |
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} else { |
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$color = imagecolorallocate($this->image, $red, $green, $blue); |
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} |
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$this->colors[$name] = $color; |
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$this->activeColor = $color; |
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return $this; |
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} |
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/** |
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* @param Picture $pic |
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* @param int $dstX |
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* @param int $dstY |
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* @param int $srcX |
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* @param int $srcY |
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* @param int|null $dstW |
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* @param int|null $dstH |
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* @param int|null $srcW |
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* @param int|null $srcH |
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* @return Picture |
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*/ |
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public function copyResized( |
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Picture $pic, |
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int $dstX, |
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int $dstY, |
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int $srcX = 0, |
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int $srcY = 0, |
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int $dstW = null, |
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int $dstH = null, |
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int $srcW = null, |
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int $srcH = null |
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): Picture { |
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$dstW = is_null($dstW) ? $pic->getWidth() : $dstW; |
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$dstH = is_null($dstH) ? $pic->getHeight() : $dstH; |
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$srcW = is_null($srcW) ? $pic->getWidth() : $srcW; |
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$srcH = is_null($srcH) ? $pic->getHeight() : $srcH; |
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imagecopyresized($this->image, $pic->getImage(), $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH); |
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return $this; |
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} |
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public function scale(int $width, int $height): void |
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{ |
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$dstRatio = $width / $height; |
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$srcW = $this->getWidth(); |
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$srcH = $this->getHeight(); |
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$srcRatio = $srcW / $srcH; |
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// Is picture size < dest size do nothing |
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if (($srcW <= $width) && ($srcH <= $height)) { |
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return; |
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} |
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if ($srcRatio === $dstRatio) { |
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$this->image = imagescale($this->image, $width, $height); |
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} elseif ($srcRatio < $dstRatio) { |
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$this->image = imagescale($this->image, (int) ($srcW * ($height / $srcH)), $height); |
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} else { |
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$this->image = imagescale($this->image, $width, (int) ($srcH * ($width / $srcW))); |
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} |
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} |
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/** |
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* @param $xA |
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* @param $yA |
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* @param $xB |
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* @param $yB |
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* @param null $color |
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* @return Picture |
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* @throws Exception |
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*/ |
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public function addRectangle($xA, $yA, $xB, $yB, $color = null): Picture |
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{ |
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if ($color === null) { |
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$color = $this->activeColor; |
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if ($color === null) { |
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throw new Exception('No active color defined.'); |
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} |
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} |
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imagefilledrectangle($this->image, $xA, $yA, $xB, $yB, $color); |
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return $this; |
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} |
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/** |
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* @param $message |
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* @param $size |
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* @param $x |
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* @param $y |
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* @param int $angle |
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* @param null $color |
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* @param null $font |
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* @return Picture |
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* @throws Exception |
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*/ |
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public function write($message, $size, $x, $y, int $angle = 0, $color = null, $font = null): Picture |
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{ |
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if ($color === null) { |
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$color = $this->activeColor; |
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if ($color === null) { |
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throw new Exception('No active color defined.'); |
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} |
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} |
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if ($font === null) { |
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$font = $this->activeFont; |
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if ($font === null) { |
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throw new Exception('No active font defined.'); |
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} |
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} |
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imagettftext($this->image, $size, $angle, $x, $y, $color, $font, (string) $message); |
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return $this; |
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} |
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/** |
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* @param $type |
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* @param string $filename |
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* @throws Exception |
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*/ |
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public function downloadPicture($type, string $filename): void |
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{ |
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header('Content-Disposition: "attachement"; filename="' . $filename . '"'); |
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$this->showPicture($type); |
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} |
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/** |
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* @param $type |
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* @throws Exception |
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*/ |
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public function showPicture($type) |
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{ |
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$method = self::getGererateMethod($type); |
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$contentType = self::getMimeType($type); |
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header('Content-Type: ' . $contentType); |
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$method($this->image); |
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exit; |
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} |
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public function getStream($type): bool|string |
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{ |
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$method = $this->getGererateMethod($type); |
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ob_start(); |
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$method($this->image); |
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return ob_get_clean(); |
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} |
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/** |
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* @param $filename |
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* @return $this |
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* @throws Exception |
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*/ |
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public function savePicture($filename): static |
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{ |
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$sExtension = pathinfo($filename, PATHINFO_EXTENSION); |
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$method = $this->getGererateMethod($sExtension); |
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$method($this->image, $filename); |
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return $this; |
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} |
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/** |
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* @param $type |
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* @return string |
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* @throws Exception |
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*/ |
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protected static function getGererateMethod($type): string |
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{ |
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if (!array_key_exists($type, self::EXTENSIONS)) { |
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throw new Exception('Unknown picture type.'); |
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} |
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return self::EXTENSIONS[$type]['generate']; |
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} |
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/** |
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* @param $type |
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* @return string |
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* @throws Exception |
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*/ |
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public static function getCreateMethod($type): string |
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{ |
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if (!array_key_exists($type, self::EXTENSIONS)) { |
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throw new Exception('Unknown picture type.'); |
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} |
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return self::EXTENSIONS[$type]['create']; |
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} |
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/** |
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* @param $extension |
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* @return string |
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*/ |
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public static function getMimeType($extension): string |
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{ |
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if (!isset(self::MIME_TYPES[$extension])) { |
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return 'application/octet-stream'; |
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} |
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return self::MIME_TYPES[$extension]; |
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} |
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} |
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