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<?php
namespace YOOtheme\Image;
class Resource
{
/**
* @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 $type
*
* @return mixed
*/
public static function create($file, $type)
{
return;
}
/**
* 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 (is_string($color) && 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($r);
}
}
if (
is_string($color) &&
preg_match('/^rgb\(([0-9]+),([0-9]+),([0-9]+)\)/i', $color, $matches)
) {
list(, $r, $g, $b) = $matches;
if ($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);
}
}