library/MaterialDesign.Avatars.class.php
<?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.
*/
class MDAvtars
{
public $Char;
public $AvatarSize;
public $Padding;
public $Avatar;
public $FontFile;
public $IsNotletter;
public $LetterFont;
public $AsianFont;
public $EnableAsianChar;
function __construct($Char, $AvatarSize = 256)
{
$this->Char = strtoupper(mb_substr($Char, 0, 1, "UTF-8"));
$this->AvatarSize = $AvatarSize;
$this->Padding = 30*($this->AvatarSize/256);
$this->LetterFont = __DIR__.'/fonts/SourceCodePro-Light.ttf';
$this->AsianFont = __DIR__.'/fonts/SourceHanSansCN-Normal.ttf';
$this->EnableAsianChar = is_file($this->AsianFont);
$CNChar=ord($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( 255 , 235 , 238 ),
array( 255 , 205 , 210 ),
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( 252 , 228 , 236 ),
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( 243 , 229 , 245 ),
array( 225 , 190 , 231 ),
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( 237 , 231 , 246 ),
array( 209 , 196 , 233 ),
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( 232 , 234 , 246 ),
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( 225 , 245 , 254 ),
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( 224 , 247 , 250 ),
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( 224 , 242 , 241 ),
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( 232 , 245 , 233 ),
array( 200 , 230 , 201 ),
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( 241 , 248 , 233 ),
array( 220 , 237 , 200 ),
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( 204 , 255 , 144 ),
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( 244 , 255 , 129 ),
array( 238 , 255 , 65 ),
array( 198 , 255 , 0 ),
array( 174 , 234 , 0 ),
array( 255 , 253 , 231 ),
array( 255 , 249 , 196 ),
array( 255 , 245 , 144 ),
array( 255 , 241 , 118 ),
array( 255 , 238 , 88 ),
array( 255 , 235 , 59 ),
array( 253 , 216 , 53 ),
array( 251 , 192 , 45 ),
array( 249 , 168 , 37 ),
array( 245 , 127 , 23 ),
array( 255 , 255 , 130 ),
array( 255 , 255 , 0 ),
array( 255 , 234 , 0 ),
array( 255 , 214 , 0 ),
array( 255 , 248 , 225 ),
array( 255 , 236 , 179 ),
array( 255 , 224 , 130 ),
array( 255 , 213 , 79 ),
array( 255 , 202 , 40 ),
array( 255 , 193 , 7 ),
array( 255 , 179 , 0 ),
array( 255 , 160 , 0 ),
array( 255 , 143 , 0 ),
array( 255 , 111 , 0 ),
array( 255 , 229 , 127 ),
array( 255 , 215 , 64 ),
array( 255 , 196 , 0 ),
array( 255 , 171 , 0 ),
array( 255 , 243 , 224 ),
array( 255 , 224 , 178 ),
array( 255 , 204 , 128 ),
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 , 209 , 128 ),
array( 255 , 171 , 64 ),
array( 255 , 145 , 0 ),
array( 255 , 109 , 0 ),
array( 251 , 233 , 167 ),
array( 255 , 204 , 188 ),
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( 239 , 235 , 233 ),
array( 215 , 204 , 200 ),
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( 250 , 250 , 250 ),
array( 245 , 245 , 245 ),
array( 238 , 238 , 238 ),
array( 224 , 224 , 224 ),
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( 0 , 0 , 0 ),
array( 255 , 255 , 255 ),
array( 236 , 239 , 241 ),
array( 207 , 216 , 220 ),
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]
);
//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,
$X,
$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($AvatarSize));
}
public function Save($Path, $AvatarSize=0)
{
if(!$AvatarSize){
$AvatarSize = $this->AvatarSize;
}
return imagepng($this->Resize($AvatarSize), $Path);
}
}