blessing-skin-server/app/Services/Minecraft.php

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<?php
namespace App\Services;
class Minecraft
{
/**
* Cut and resize to get avatar from skin, HD support by <xfl03@hotmail.com>
*
* @author https://github.com/jamiebicknell/Minecraft-Avatar/blob/master/face.php
* @param string $resource, img path or base64
* @param int $size
* @param string $view, default for 'f'
* @param bool $base64, if given $resource is encoded in base64
* @return resource
*/
public static function generateAvatarFromSkin($resource, $size, $view='f', $base64 = false)
{
$src = $base64 ? imagecreatefromstring(base64_decode($resource)) : imagecreatefrompng($resource);
$dest = imagecreatetruecolor($size, $size);
$ratio = imagesx($src) / 64; // width/64
// f => front, l => left, r => right, b => back
$x = array('f' => 8, 'l' => 16, 'r' => 0, 'b' => 24);
imagecopyresized($dest, $src, 0, 0, $x[$view] * $ratio, 8 * $ratio, $size, $size, 8 * $ratio, 8 * $ratio); // Face
imagecolortransparent($src, imagecolorat($src, 63 * $ratio, 0)); // Black Hat Issue
imagecopyresized($dest, $src, 0, 0, ($x[$view] + 32) * $ratio, 8 * $ratio, $size, $size, 8 * $ratio, 8 * $ratio); // Accessories
imagedestroy($src);
return $dest;
}
/**
* Generate skin preview
*
* @see https://github.com/NC22/Minecraft-HD-skin-viewer-2D/blob/master/SkinViewer2D.class.php
* @param resource $resource
* @param int $size
* @param boolean|string $side, 'front' or 'back'
* @param boolean $base64, generate image from base64 string
* @return resource
*/
public static function generatePreviewFromSkin($resource, $size, $side = false, $base64 = false)
{
$src = $base64 ? imagecreatefromstring(base64_decode($resource)) : imagecreatefrompng($resource);
$ratio = imagesx($src) / 64;
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$double = (imagesy($src) == 64 * ratio);//boolean - is double layer skin
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$dest = imagecreatetruecolor((($side) ? 16 : 36) * $ratio, 32 * $ratio);
$half_width = ($side) ? 0 : imagesx($dest) / 2 + 2 * $ratio;
$transparent = imagecolorallocatealpha($dest, 255, 255, 255, 127);
imagefill($dest, 0, 0, $transparent);
if (!$side or $side === 'front') {
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imagecopy($dest, $src, 4 * $ratio, 0 * $ratio, 8 * $ratio, 8 * $ratio, 8 * $ratio, 8 * $ratio);//Head - 1
imagecopy($dest, $src, 0 * $ratio, 8 * $ratio, 44 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);//Right Arm - 1
if($double)
imagecopy($dest, $src, 12 * $ratio, 8 * $ratio, 36 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);//Left Arm - 1
else
self::imageflip($dest, $src, 12 * $ratio, 8 * $ratio, 44 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
imagecopy($dest, $src, 4 * $ratio, 8 * $ratio, 20 * $ratio, 20 * $ratio, 8 * $ratio, 12 * $ratio);//Body - 1
imagecopy($dest, $src, 4 * $ratio, 20 * $ratio, 4 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);//Right Leg - 1
if($double)
imagecopy($dest, $src, 8 * $ratio, 20 * $ratio, 20 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);//Left Leg - 1
else
self::imageflip($dest, $src, 8 * $ratio, 20 * $ratio, 4 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
imagecopy($dest, $src, 4 * $ratio, 0 * $ratio, 40 * $ratio, 8 * $ratio, 8 * $ratio, 8 * $ratio);//Head - 2
if($double) {
imagecopy($dest, $src, 0 * $ratio, 8 * $ratio, 44 * $ratio, 36 * $ratio, 4 * $ratio, 12 * $ratio);//Right Arm - 2
imagecopy($dest, $src, 12 * $ratio, 8 * $ratio, 52 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);//Left Arm - 2
imagecopy($dest, $src, 4 * $ratio, 8 * $ratio, 20 * $ratio, 20 * $ratio, 8 * $ratio, 12 * $ratio);//Body - 2
imagecopy($dest, $src, 4 * $ratio, 20 * $ratio, 4 * $ratio, 36 * $ratio, 4 * $ratio, 12 * $ratio);//Right Leg - 2
imagecopy($dest, $src, 8 * $ratio, 20 * $ratio, 4 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);//Left Leg - 2
}
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}
if (!$side or $side === 'back') {
imagecopy($dest, $src, $half_width + 4 * $ratio, 8 * $ratio, 32 * $ratio, 20 * $ratio, 8 * $ratio, 12 * $ratio);
imagecopy($dest, $src, $half_width + 4 * $ratio, 0 * $ratio, 24 * $ratio, 8 * $ratio, 8 * $ratio, 8 * $ratio);
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if($double)
imagecopy($dest, $src, $half_width + 0 * $ratio, 8 * $ratio, 44 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);
else
self::imageflip($dest, $src, $half_width + 0 * $ratio, 8 * $ratio, 52 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
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imagecopy($dest, $src, $half_width + 12 * $ratio, 8 * $ratio, 52 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
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if($double)
imagecopy($dest, $src, $half_width + 4 * $ratio, 20 * $ratio, 28 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);
else
self::imageflip($dest, $src, $half_width + 4 * $ratio, 20 * $ratio, 12 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
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imagecopy($dest, $src, $half_width + 8 * $ratio, 20 * $ratio, 12 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
imagecopy($dest, $src, $half_width + 4 * $ratio, 0 * $ratio, 56 * $ratio, 8 * $ratio, 8 * $ratio, 8 * $ratio);
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if($double) {
imagecopy($dest, $src, $half_width + 4 * $ratio, 8 * $ratio, 32 * $ratio, 36 * $ratio, 8 * $ratio, 12 * $ratio);
imagecopy($dest, $src, $half_width + 12 * $ratio, 8 * $ratio, 52 * $ratio, 20 * $ratio, 4 * $ratio, 12 * $ratio);
imagecopy($dest, $src, $half_width + 0 * $ratio, 8 * $ratio, 60 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);
imagecopy($dest, $src, $half_width + 8 * $ratio, 20 * $ratio, 12 * $ratio, 36 * $ratio, 4 * $ratio, 12 * $ratio);
imagecopy($dest, $src, $half_width + 4 * $ratio, 20 * $ratio, 12 * $ratio, 52 * $ratio, 4 * $ratio, 12 * $ratio);
}
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}
$size_x = ($side) ? $size / 2 : $size / 32 * 36;
$fullsize = imagecreatetruecolor($size_x, $size);
imagesavealpha($fullsize, true);
$transparent = imagecolorallocatealpha($fullsize, 255, 255, 255, 127);
imagefill($fullsize, 0, 0, $transparent);
imagecopyresized($fullsize, $dest, 0, 0, 0, 0, imagesx($fullsize), imagesy($fullsize), imagesx($dest), imagesy($dest));
imagedestroy($dest);
imagedestroy($src);
return $fullsize;
}
private static function imageflip(&$result, &$img, $rx = 0, $ry = 0, $x = 0, $y = 0, $size_x = null, $size_y = null)
{
if ($size_x < 1)
$size_x = imagesx($img);
if ($size_y < 1)
$size_y = imagesy($img);
imagecopyresampled($result, $img, $rx, $ry, ($x + $size_x - 1), $y, $size_x, $size_y, 0 - $size_x, $size_y);
}
public static function generatePreviewFromCape($resource)
{
$src = imagecreatefrompng($resource);
$dest = imagecreatetruecolor(250, 166);
imagesavealpha($dest, true);
$trans_colour = imagecolorallocatealpha($dest, 0, 0, 0, 127);
imagefill($dest, 0, 0, $trans_colour);
$src_width = imagesx($src) * 11 / 64;
$src_height = imagesy($src) * 17 / 32;
$dst_height = 100;
// 100 / 17 * 11
$dst_width = 64;
// dst_x = (250 - 64) / 2
imagecopyresized($dest, $src, 93, 30, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
imagedestroy($src);
return $dest;
}
}