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<?php namespace YOOtheme\Image; class BaseResource { /** * @var array */ public static $colors = [ 'aqua' => 0x00ffff, 'black' => 0x000000, 'blue' => 0x0000ff, 'fuchsia' => 0xff00ff, 'gray' => 0x808080, 'green' => 0x008000, 'lime' => 0x00ff00, 'maroon' => 0x800000, 'navy' => 0x000080, 'olive' => 0x808000, 'orange' => 0xffa500, 'purple' => 0x800080, 'red' => 0xff0000, 'silver' => 0xc0c0c0, 'teal' => 0x008080, 'white' => 0xffffff, 'yellow' => 0xffff00, 'transparent' => 0x7fffffff, ]; /** * Creates an image. * * @param string $file * @param string $type * * @return mixed|false */ public static function create($file, $type) { return false; } /** * Save image to file. * * @param mixed $image * @param string $file * @param string $type * @param int $quality * @param array $info * * @return string|false */ public static function save($image, $file, $type, $quality, $info = []) { return false; } /** * Do the image crop. * * @param mixed $image * @param int $width * @param int $height * @param int $x * @param int $y * * @return mixed */ public static function doCrop($image, $width, $height, $x, $y) { return $image; } /** * Do the image copy. * * @param mixed $image * @param int $width * @param int $height * @param int $dstX * @param int $dstY * @param int $srcX * @param int $srcY * @param int $dstWidth * @param int $dstHeight * @param int $srcWidth * @param int $srcHeight * @param string $background * * @return mixed */ public static function doCopy( $image, $width, $height, $dstX, $dstY, $srcX, $srcY, $dstWidth, $dstHeight, $srcWidth, $srcHeight, $background = 'transparent' ) { return $image; } /** * Do the image resize. * * @param mixed $image * @param int $width * @param int $height * @param int $dstWidth * @param int $dstHeight * @param string $background * * @return mixed */ public static function doResize( $image, $width, $height, $dstWidth, $dstHeight, $background = 'transparent' ) { return $image; } /** * Do the image rotate. * * @param mixed $image * @param int $angle * @param string $background * * @return mixed */ public static function doRotate($image, $angle, $background = 'transparent') { return $image; } /** * Parses a color to decimal value. * * @param mixed $color * * @return int */ public static function parseColor($color) { if (!is_string($color) && is_numeric($color)) { return $color; } $color = strtolower(trim($color)); if (isset(static::$colors[$color])) { return static::$colors[$color]; } if (preg_match('/^(#|0x|)([0-9a-f]{3,6})/i', $color, $matches)) { $col = $matches[2]; if (strlen($col) == 6) { return hexdec($col); } if (strlen($col) == 3) { $r = ''; for ($i = 0; $i < 3; ++$i) { $r .= $col[$i] . $col[$i]; } return hexdec($r); } } if (preg_match('/^rgb\(([0-9]+),([0-9]+),([0-9]+)\)/i', $color, $matches)) { [$r, $g, $b] = array_map('intval', array_slice($matches, 1)); if ($r >= 0 && $r <= 0xff && $g >= 0 && $g <= 0xff && $b >= 0 && $b <= 0xff) { return ($r << 16) | ($g << 8) | $b; } } throw new \InvalidArgumentException("Invalid color: {$color}"); } /** * Parses a color to rgba string. * * @param mixed $color * * @return string */ public static function parseColorRgba($color) { $value = static::parseColor($color); $a = ($value >> 24) & 0xff; $r = ($value >> 16) & 0xff; $g = ($value >> 8) & 0xff; $b = $value & 0xff; $a = round((127 - $a) / 127, 2); return sprintf('rgba(%d, %d, %d, %.2F)', $r, $g, $b, $a); } }
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