<?php
/*
* Material-Design-Avatars
* https://github.com/lincanbin/Material-Design-Avatars
*
* Copyright 2015 Canbin Lin (lincanbin@hotmail.com)
* http://www.94cb.com/
*
* Licensed under the Apache License, Version 2.0:
* http://www.apache.org/licenses/LICENSE-2.0
*
* Create material deisgn avatars for users just like Gmail or Messager in Android.
*/
declare (strict_types = 1);
namespace avatars;
class MDAvatars
{
public $Char;
public $AvatarSize;
public $Shape;
public $Padding;
public $Avatar;
public $FontFile;
public $IsNotLetter;
public $LetterFont;
public $AsianFont;
public $EnableAsianChar;
function __construct($Char, $AvatarSize = 256 ,$Shape = 1)
{
$this->Char = mb_strtoupper(mb_substr($Char, 0, 1, "UTF-8"));
$this->AvatarSize = $AvatarSize;
$this->Shape = $Shape;
$this->Padding = 30 * ($this->AvatarSize / 256);
$this->LetterFont = dirname(__FILE__) . '/fonts/SourceCodePro-Light.ttf';
$this->AsianFont = dirname(__FILE__) . '/fonts/SourceHanSansCN-Normal.ttf';
$this->EnableAsianChar = is_file($this->AsianFont);
$path='./storage/avatars/';
if(!is_dir($path)){
mkdir($path, 0755, true);
}
$CNChar = ord($this->Char);
if (!$this->EnableAsianChar &&
preg_match("/^[\x7f-\xff]/", $this->Char) &&
!($CNChar >= ord("A") && $CNChar <= ord("z"))
) {
//如果是中文，并且没有中文字体包，则按拼音首字母对其进行转换
$CNByte = iconv("UTF-8", "gb2312", $this->Char);
$Code = ord($CNByte[0]) * 256 + ord($CNByte[1]) - 65536;//求其偏移量
if ($Code >= -20319 and $Code <= -20284) $this->Char = "A";
if ($Code >= -20283 and $Code <= -19776) $this->Char = "B";
if ($Code >= -19775 and $Code <= -19219) $this->Char = "C";
if ($Code >= -19218 and $Code <= -18711) $this->Char = "D";
if ($Code >= -18710 and $Code <= -18527) $this->Char = "E";
if ($Code >= -18526 and $Code <= -18240) $this->Char = "F";
if ($Code >= -18239 and $Code <= -17923) $this->Char = "G";
if ($Code >= -17922 and $Code <= -17418) $this->Char = "H";
if ($Code >= -17417 and $Code <= -16475) $this->Char = "J";
if ($Code >= -16474 and $Code <= -16213) $this->Char = "K";
if ($Code >= -16212 and $Code <= -15641) $this->Char = "L";
if ($Code >= -15640 and $Code <= -15166) $this->Char = "M";
if ($Code >= -15165 and $Code <= -14923) $this->Char = "N";
if ($Code >= -14922 and $Code <= -14915) $this->Char = "O";
if ($Code >= -14914 and $Code <= -14631) $this->Char = "P";
if ($Code >= -14630 and $Code <= -14150) $this->Char = "Q";
if ($Code >= -14149 and $Code <= -14091) $this->Char = "R";
if ($Code >= -14090 and $Code <= -13319) $this->Char = "S";
if ($Code >= -13318 and $Code <= -12839) $this->Char = "T";
if ($Code >= -12838 and $Code <= -12557) $this->Char = "W";
if ($Code >= -12556 and $Code <= -11848) $this->Char = "X";
if ($Code >= -11847 and $Code <= -11056) $this->Char = "Y";
if ($Code >= -11055 and $Code <= -10247) $this->Char = "Z";
}
if (in_array($this->Char, str_split('QWERTYUIOPASDFGHJKLZXCVBNM0123456789', 1))) {
$this->IsNotLetter = false;
$this->FontFile = $this->LetterFont;
} else {
$this->IsNotLetter = true;
$this->FontFile = $this->AsianFont;
}
$this->Initialize();
}
private function Initialize()
{
//extension_loaded('gd')
$Width = $this->AvatarSize;//Width of avatar
$Height = $this->AvatarSize;//Height of avatar
$Padding = $this->Padding;
$this->Avatar = imagecreatetruecolor($Width, $Height);
//全透明背景
imageSaveAlpha($this->Avatar, true);
$BackgroundAlpha = imagecolorallocatealpha($this->Avatar, 255, 255, 255, 127);
imagefill($this->Avatar, 0, 0, $BackgroundAlpha);
//抗锯齿
if (function_exists('imageantialias')) {
imageantialias($this->Avatar, true);
}
//Material Design参考颜色
//http://www.google.com/design/spec/style/color.html#color-color-palette
$MaterialDesignColor = array(
array(239, 154, 154),
array(229, 115, 115),
array(239, 83, 80),
array(244, 67, 54),
array(229, 57, 53),
array(211, 47, 47),
array(198, 40, 40),
array(183, 28, 28),
array(255, 138, 128),
array(255, 82, 82),
array(255, 23, 68),
array(213, 0, 0),
array(248, 187, 208),
array(244, 143, 177),
array(240, 98, 146),
array(236, 64, 122),
array(233, 30, 99),
array(216, 27, 96),
array(194, 24, 91),
array(173, 20, 87),
array(136, 14, 79),
array(255, 128, 171),
array(255, 64, 129),
array(245, 0, 87),
array(197, 17, 98),
array(206, 147, 216),
array(186, 104, 200),
array(171, 71, 188),
array(156, 39, 176),
array(142, 36, 170),
array(123, 31, 162),
array(106, 27, 154),
array(74, 20, 140),
array(234, 128, 252),
array(224, 64, 251),
array(213, 0, 249),
array(170, 0, 255),
array(179, 157, 219),
array(149, 117, 205),
array(126, 87, 194),
array(103, 58, 183),
array(94, 53, 177),
array(81, 45, 168),
array(69, 39, 160),
array(49, 27, 146),
array(179, 136, 255),
array(124, 77, 255),
array(101, 31, 255),
array(98, 0, 234),
array(197, 202, 233),
array(159, 168, 218),
array(121, 134, 203),
array(92, 107, 192),
array(63, 81, 181),
array(57, 73, 171),
array(48, 63, 159),
array(40, 53, 147),
array(26, 35, 126),
array(140, 158, 255),
array(83, 109, 254),
array(61, 90, 254),
array(48, 79, 254),
array(227, 242, 253),
array(187, 222, 251),
array(144, 202, 249),
array(100, 181, 246),
array(66, 165, 245),
array(33, 150, 243),
array(30, 136, 229),
array(25, 118, 210),
array(21, 101, 192),
array(13, 71, 161),
array(130, 177, 255),
array(68, 138, 255),
array(41, 121, 255),
array(41, 98, 255),
array(179, 229, 252),
array(129, 212, 250),
array(79, 195, 247),
array(41, 182, 252),
array(3, 169, 244),
array(3, 155, 229),
array(2, 136, 209),
array(2, 119, 189),
array(1, 87, 155),
array(128, 216, 255),
array(64, 196, 255),
array(0, 176, 255),
array(0, 145, 234),
array(178, 235, 242),
array(128, 222, 234),
array(77, 208, 225),
array(38, 198, 218),
array(0, 188, 212),
array(0, 172, 193),
array(0, 151, 167),
array(0, 131, 143),
array(0, 96, 100),
array(132, 255, 255),
array(24, 255, 255),
array(0, 229, 255),
array(0, 184, 212),
array(178, 223, 219),
array(128, 203, 196),
array(77, 182, 172),
array(38, 166, 154),
array(0, 150, 136),
array(0, 137, 123),
array(0, 121, 107),
array(0, 105, 92),
array(0, 77, 64),
array(167, 255, 235),
array(100, 255, 218),
array(29, 233, 182),
array(0, 191, 165),
array(165, 214, 167),
array(129, 199, 132),
array(102, 187, 106),
array(76, 175, 80),
array(67, 160, 71),
array(56, 142, 60),
array(46, 125, 50),
array(27, 94, 32),
array(185, 246, 202),
array(105, 240, 174),
array(0, 230, 118),
array(0, 200, 83),
array(197, 225, 165),
array(174, 213, 129),
array(156, 204, 101),
array(139, 195, 74),
array(124, 179, 66),
array(104, 159, 56),
array(85, 139, 47),
array(51, 105, 30),
array(178, 255, 89),
array(118, 255, 3),
array(100, 221, 23),
array(249, 251, 231),
array(240, 244, 195),
array(230, 238, 156),
array(220, 231, 117),
array(212, 225, 87),
array(205, 220, 57),
array(192, 202, 51),
array(164, 180, 43),
array(158, 157, 36),
array(130, 119, 23),
array(198, 255, 0),
array(174, 234, 0),
array(251, 192, 45),
array(249, 168, 37),
array(245, 127, 23),
array(255, 179, 0),
array(255, 160, 0),
array(255, 143, 0),
array(255, 111, 0),
array(255, 171, 0),
array(255, 183, 77),
array(255, 167, 38),
array(255, 152, 0),
array(251, 140, 0),
array(245, 124, 0),
array(239, 108, 0),
array(230, 81, 0),
array(255, 171, 64),
array(255, 145, 0),
array(255, 109, 0),
array(255, 171, 145),
array(255, 138, 101),
array(255, 112, 67),
array(255, 87, 34),
array(244, 81, 30),
array(230, 74, 25),
array(216, 67, 21),
array(191, 54, 12),
array(255, 158, 128),
array(255, 110, 64),
array(255, 61, 0),
array(221, 38, 0),
array(188, 170, 164),
array(161, 136, 127),
array(141, 110, 99),
array(121, 85, 72),
array(109, 76, 65),
array(93, 64, 55),
array(78, 52, 46),
array(62, 39, 35),
array(189, 189, 189),
array(158, 158, 158),
array(117, 117, 117),
array(97, 97, 97),
array(66, 66, 66),
array(33, 33, 33),
array(236, 239, 241),
array(176, 187, 197),
array(144, 164, 174),
array(120, 144, 156),
array(96, 125, 139),
array(84, 110, 122),
array(69, 90, 100),
array(55, 71, 79),
array(38, 50, 56)
);
$BackgroundColorIndex = mt_rand(0, count($MaterialDesignColor) - 1);
$BackgroundColor = imagecolorallocate($this->Avatar,
$MaterialDesignColor[$BackgroundColorIndex][0],
$MaterialDesignColor[$BackgroundColorIndex][1],
$MaterialDesignColor[$BackgroundColorIndex][2]
);
if($this->Shape == 1){
//画一个矩形
imagerectangle($this->Avatar,
0,
0,
$Width,
$Height,
$BackgroundColor
);
imagefilledrectangle($this->Avatar,
0,
0,
$Width,
$Height,
$BackgroundColor
);
}
else{
//画一个居中圆形
imagefilledellipse($this->Avatar,
$Width / 2,
$Height / 2,
$Width,
$Height,
$BackgroundColor
);
}
//字体
$FontColor = imagecolorallocate($this->Avatar, 255, 255, 255);
if ($this->IsNotLetter) {
//中文字符偏移
$FontSize = $Width - $Padding * 3.5;
$X = $Padding + (-2 / 166) * $FontSize;
$Y = $Height - $Padding - (23.5 / 166) * $FontSize;
} else {
$FontSize = $Width - $Padding * 2;
$X = $Padding + (20 / 196) * $FontSize;
$Y = $Height - $Padding - (13 / 196) * $FontSize;
}
// 在圆正中央填入字符
imagettftext($this->Avatar, $FontSize,0,intval($X), intval($Y),$FontColor,$this->FontFile, $this->Char);
}
private function Resize($TargetSize)
{
if (isset($this->Avatar)) {
if ($this->AvatarSize > $TargetSize) {
$Percent = $TargetSize / $this->AvatarSize;
$TargetWidth = round($this->AvatarSize * $Percent);
$TargetHeight = round($this->AvatarSize * $Percent);
$TargetImageData = imagecreatetruecolor($TargetWidth, $TargetHeight);
//全透明背景
imageSaveAlpha($TargetImageData, true);
$BackgroundAlpha = imagecolorallocatealpha($TargetImageData, 255, 255, 255, 127);
imagefill($TargetImageData, 0, 0, $BackgroundAlpha);
imagecopyresampled($TargetImageData, $this->Avatar, 0, 0, 0, 0, $TargetWidth, $TargetHeight, $this->AvatarSize, $this->AvatarSize);
return $TargetImageData;
} else {
return $this->Avatar;
}
} else {
return false;
}
}
public function Free()
{
imagedestroy($this->Avatar);
}
public function Output2Browser($AvatarSize = 0)
{
if (!$AvatarSize) {
$AvatarSize = $this->AvatarSize;
}
header('Content-Type: image/png');
return imagepng($this->Resize($AvatarSize));
}
/**
* Get image resource identifier
* @param int $AvatarSize
* @return resource
*/
public function Output2ImageResource($AvatarSize = 0)
{
if (!$AvatarSize) {
$AvatarSize = $this->AvatarSize;
}
return $this->Resize($AvatarSize);
}
/**
* Output Base64 encoded image data
* @param int $AvatarSize
* @return string
*/
public function Output2Base64($AvatarSize = 0)
{
if (!$AvatarSize) {
$AvatarSize = $this->AvatarSize;
}
ob_start();
imagepng($this->Resize($AvatarSize));
$content = ob_get_contents();
ob_end_clean();
return 'data:image/png;base64,' . base64_encode($content);
}
public function Save($Path, $AvatarSize = 0)
{
if (!$AvatarSize) {
$AvatarSize = $this->AvatarSize;
}
return imagepng($this->Resize($AvatarSize), $Path);
}
}