mirror of
https://github.com/PGYER/codefever.git
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207 lines
8.2 KiB
PHP
Executable File
207 lines
8.2 KiB
PHP
Executable File
<?php
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/*
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* Material-Design-Avatars
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* https://github.com/lincanbin/Material-Design-Avatars
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*
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* Copyright 2015 Canbin Lin (lincanbin@hotmail.com)
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* http://www.94cb.com/
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*
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* Licensed under the Apache License, Version 2.0:
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Create material deisgn avatars for users just like Gmail or Messager in Android.
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*/
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class MDAvtars
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{
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public $Char;
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public $AvatarSize;
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public $Padding;
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public $Avatar;
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public $FontFile;
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public $IsNotletter;
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public $LetterFont;
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public $AsianFont;
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public $EnableAsianChar;
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function __construct($Char, $AvatarSize = 256)
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{
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$this->Char = strtoupper(mb_substr($Char, 0, 1, "UTF-8"));
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$this->AvatarSize = $AvatarSize;
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$this->Padding = 30*($this->AvatarSize/256);
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// $this->LetterFont = dirname(__FILE__).'/fonts/SourceCodePro-Light.ttf';
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$this->LetterFont = dirname(__FILE__).'/fonts/PingFang_Bold.ttf';
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$this->AsianFont = dirname(__FILE__).'/fonts/PingFang_Bold.ttf';
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$this->LetterFont = dirname(__FILE__).'/fonts/SourceCodePro-Regular.ttf';
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$this->AsianFont = dirname(__FILE__).'/fonts/SourceHanSansCN-Normal.ttf';
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$this->EnableAsianChar = is_file($this->AsianFont);
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$CNChar=ord($this->Char);
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if (!$this->EnableAsianChar &&
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preg_match("/^[\x7f-\xff]/", $this->Char) &&
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!($CNChar>=ord("A") && $CNChar<=ord("z"))
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){
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//如果是中文，并且没有中文字体包，则按拼音首字母对其进行转换
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$CNByte = iconv("UTF-8","gb2312", $this->Char);
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$Code=ord($CNByte{0}) * 256 + ord($CNByte{1}) - 65536;//求其偏移量
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if($Code>=-20319 and $Code<=-20284) $this->Char = "A";
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if($Code>=-20283 and $Code<=-19776) $this->Char = "B";
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if($Code>=-19775 and $Code<=-19219) $this->Char = "C";
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if($Code>=-19218 and $Code<=-18711) $this->Char = "D";
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if($Code>=-18710 and $Code<=-18527) $this->Char = "E";
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if($Code>=-18526 and $Code<=-18240) $this->Char = "F";
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if($Code>=-18239 and $Code<=-17923) $this->Char = "G";
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if($Code>=-17922 and $Code<=-17418) $this->Char = "H";
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if($Code>=-17417 and $Code<=-16475) $this->Char = "J";
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if($Code>=-16474 and $Code<=-16213) $this->Char = "K";
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if($Code>=-16212 and $Code<=-15641) $this->Char = "L";
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if($Code>=-15640 and $Code<=-15166) $this->Char = "M";
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if($Code>=-15165 and $Code<=-14923) $this->Char = "N";
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if($Code>=-14922 and $Code<=-14915) $this->Char = "O";
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if($Code>=-14914 and $Code<=-14631) $this->Char = "P";
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if($Code>=-14630 and $Code<=-14150) $this->Char = "Q";
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if($Code>=-14149 and $Code<=-14091) $this->Char = "R";
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if($Code>=-14090 and $Code<=-13319) $this->Char = "S";
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if($Code>=-13318 and $Code<=-12839) $this->Char = "T";
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if($Code>=-12838 and $Code<=-12557) $this->Char = "W";
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if($Code>=-12556 and $Code<=-11848) $this->Char = "X";
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if($Code>=-11847 and $Code<=-11056) $this->Char = "Y";
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if($Code>=-11055 and $Code<=-10247) $this->Char = "Z";
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}
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if(in_array($this->Char, str_split('QWERTYUIOPASDFGHJKLZXCVBNM0123456789', 1))){
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$this->IsNotletter = false;
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$this->FontFile = $this->LetterFont;
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}else{
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$this->IsNotletter = true;
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$this->FontFile = $this->AsianFont;
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}
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$this->Initialize();
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}
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private function Initialize()
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{
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//extension_loaded('gd')
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$Width = $this->AvatarSize;//Width of avatar
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$Height = $this->AvatarSize;//Height of avatar
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$Padding = $this->Padding;
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$this->Avatar = imagecreatetruecolor($Width, $Height);
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//全透明背景
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imageSaveAlpha($this->Avatar, true);
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$BackgroundAlpha = imagecolorallocatealpha($this->Avatar, 255, 255, 255, 127);
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imagefill($this->Avatar, 0, 0, $BackgroundAlpha);
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//抗锯齿
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if(function_exists('imageantialias')){
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imageantialias($this->Avatar, true);
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}
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//Material Design参考颜色
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//http://www.google.com/design/spec/style/color.html#color-color-palette
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$MaterialDesignColor = array(
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array(111, 212, 230),
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array(248, 216, 104),
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array(157, 215, 203),
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array(254, 165, 141),
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array(162, 209, 71),
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array(86, 156, 235)
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);
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$BackgroundColorIndex = mt_rand(0, count($MaterialDesignColor)-1);
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$BackgroundColor = imagecolorallocate($this->Avatar,
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$MaterialDesignColor[$BackgroundColorIndex][0],
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$MaterialDesignColor[$BackgroundColorIndex][1],
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$MaterialDesignColor[$BackgroundColorIndex][2]
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);
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//画一个居中圆形
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// imagefilledellipse($this->Avatar,
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// $Width/2,
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// $Height/2,
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// $Width,
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// $Height,
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// $BackgroundColor
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// );
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imagefilledrectangle($this->Avatar,
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0,
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0,
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$Width,
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$Height,
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$BackgroundColor
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);
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//字体
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$FontColor = imagecolorallocate($this->Avatar, 255, 255, 255);
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if($this->IsNotletter){
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//中文字符偏移
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// $FontSize = $Width - $Padding * 3.5 - 60;
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// $X = $Padding + (-2/166)*$FontSize + 30;
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// $Y = $Height - $Padding - (23.5/166) * $FontSize - 50;
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$FontSize = $Width - $Padding * 3.5;
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$FontSize = 240;
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$X = $Padding + (-2/166)*$FontSize + 42 ;
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$Y = $Height - $Padding - (23.5/166) * $FontSize - 50;
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}else{
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// 字母
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$Padding = 60*($this->AvatarSize/256);
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$FontSize = $Width - $Padding * 2;
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$X = $Padding + (20/196)*$FontSize;
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$Y = $Height - $Padding - (13/196)*$FontSize;
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}
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// 在圆正中央填入字符
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imagettftext($this->Avatar,
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$FontSize,
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0,
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$X,
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$Y,
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$FontColor,
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$this->FontFile,
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$this->Char
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);
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}
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private function Resize($TargetSize)
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{
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if (isset($this->Avatar)) {
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if ($this->AvatarSize > $TargetSize) {
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$Percent = $TargetSize / $this->AvatarSize;
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$TargetWidth = round($this->AvatarSize * $Percent);
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$TargetHeight = round($this->AvatarSize * $Percent);
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$TargetImageData = imagecreatetruecolor($TargetWidth, $TargetHeight);
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//全透明背景
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imageSaveAlpha($TargetImageData, true);
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$BackgroundAlpha = imagecolorallocatealpha($TargetImageData, 255, 255, 255, 127);
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imagefill($TargetImageData, 0, 0, $BackgroundAlpha);
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imagecopyresampled($TargetImageData, $this->Avatar, 0, 0, 0, 0, $TargetWidth, $TargetHeight, $this->AvatarSize, $this->AvatarSize);
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return $TargetImageData;
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} else {
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return $this->Avatar;
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}
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} else {
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return false;
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}
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}
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public function Free()
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{
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imagedestroy($this->Avatar);
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}
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public function Output2Browser($AvatarSize=0)
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{
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if(!$AvatarSize){
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$AvatarSize = $this->AvatarSize;
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}
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header ('Content-Type: image/png');
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imagepng($this->Resize($AvatarSize));
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}
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public function Save($Path, $AvatarSize=0)
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{
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if(!$AvatarSize){
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$AvatarSize = $this->AvatarSize;
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}
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return imagepng($this->Resize($AvatarSize), $Path);
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}
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}
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