mirror of
https://gitee.com/ShopeX/OMS
synced 2026-03-22 18:35:35 +08:00
242 lines
7.8 KiB
PHP
242 lines
7.8 KiB
PHP
<?php
|
|
/**
|
|
* Copyright 2012-2026 ShopeX (https://www.shopex.cn)
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
|
|
/**
|
|
*
|
|
* 程序处理文件
|
|
*
|
|
* @package ShopEx网上商店系统
|
|
* @version 4.6
|
|
* @author ShopEx.cn <develop@shopex.cn>
|
|
* @url http://www.shopex.cn/
|
|
* @since PHP 4.3
|
|
* @copyright ShopEx.cn
|
|
*
|
|
**/
|
|
class pam_softvcode {
|
|
|
|
var $Noisy = 2; // 干扰点出现的概率
|
|
var $Count = 4; // 字符数量
|
|
var $Width = 60; // 图片宽度
|
|
var $Height = 16; // 图片高度
|
|
var $Angle = 2; // 角度随机变化量
|
|
var $Offset = 10; // 偏移随机变化量
|
|
var $Border = 1; // 边框大小
|
|
var $imgData = "";
|
|
var $Graph=array();
|
|
var $code = "";
|
|
|
|
function initverfycode(){
|
|
mt_srand((double)microtime() * 1000000);
|
|
$code = mt_rand(1000, 9999);
|
|
if (!empty($this->type))
|
|
$cookieName = strtoupper($this->type).'_RANDOM_CODE';
|
|
else
|
|
$cookieName = 'RANDOM_CODE';
|
|
setcookie($cookieName,md5($code));
|
|
$this->code = $code;
|
|
for($i=0;$i<strlen($code);$i++)
|
|
$this->SetDraw(substr($code,$i,1), $i);
|
|
}
|
|
|
|
function init() {
|
|
mt_srand((double)microtime() * 1000000);
|
|
$code = mt_rand(1000, 9999);
|
|
$this->code = $code;
|
|
for($i=0;$i<strlen($code);$i++)
|
|
$this->SetDraw(substr($code,$i,1), $i);
|
|
|
|
return $this->code;
|
|
|
|
}
|
|
|
|
function SetDot($pX, $pY) {
|
|
if($pX * ($this->Width-$pX-1) >= 0 && $pY * ($this->Height-$pY-1) >= 0)
|
|
{
|
|
$this->Graph[$pX][$pY] = 1;
|
|
}
|
|
}
|
|
|
|
function Rnd() {
|
|
mt_srand((double)microtime() * 1000000);
|
|
return mt_rand(1, 999)/1000;
|
|
}
|
|
|
|
function Sgn($v) {
|
|
if($v>0) return 1;
|
|
if($v==0) return 0;
|
|
if($v<0) return -1;
|
|
}
|
|
|
|
function SetDraw($pIndex, $pNumber) {
|
|
// 字符数据
|
|
$DotData[0] = array(1, 80, 30, 100, 80, 100, 100, 70, 100, 20, 70, 1, 30, 1, 1, 20, 1, 40, 1, 80);
|
|
$DotData[1] = array(30, 15, 50, 1, 50, 100);
|
|
$DotData[2] = array(1 ,34 ,30 ,1 ,71, 1, 100, 34, 1, 100, 93, 100, 100, 86);
|
|
$DotData[3] = array(1, 1, 100, 1, 42, 42, 100, 70, 50, 100, 1, 70);
|
|
$DotData[4] = array(100, 73, 6, 73, 75, 6, 75, 100);
|
|
$DotData[5] = array(100, 1, 1, 1, 1, 50, 50, 35, 100, 55, 100, 80, 50, 100, 1, 95);
|
|
$DotData[6] = array(100, 20, 70, 1, 20, 1, 1, 30, 1, 80, 30, 100, 70, 100, 100, 80, 100, 60, 70, 50, 30, 50, 1, 60);
|
|
$DotData[7] = array(6, 26, 6, 6, 100, 6, 53, 100);
|
|
$DotData[8] = array(100, 30, 100, 20, 70, 1, 30, 1, 1, 20, 1, 30, 100, 70, 100, 80, 70, 100, 30, 100, 1, 80, 1, 70, 100, 30);
|
|
$DotData[9] = array(1, 80, 30, 100, 80, 100, 100, 70, 100, 20, 70, 1, 30, 1, 1, 20, 1, 40, 30, 50, 70, 50, 100, 40);
|
|
|
|
$vExtent = $this->Width / strlen($this->code);
|
|
$Margin[0] = $this->Border +$vExtent *$pNumber+ $vExtent * ($this->Rnd() * $this->Offset) / 100;
|
|
$Margin[1] = $vExtent * ($pNumber + 1) - $this->Border - $vExtent * ($this->Rnd() * $this->Offset) / 100;
|
|
$Margin[2] = $this->Border + $this->Height * ($this->Rnd() * $this->Offset) / 100;
|
|
$Margin[3] = $this->Height - $this->Border - $this->Height * ($this->Rnd * $this->Offset) / 100;
|
|
|
|
|
|
$vWidth = intval($Margin[1] - $Margin[0]);
|
|
|
|
$vHeight = intval($Margin[3] - $Margin[2]);
|
|
|
|
//起始坐标
|
|
$vStartX = intval(($DotData[$pIndex][0]-1) * $vWidth / 100);
|
|
|
|
$vStartY = intval(($DotData[$pIndex][1]-1) * $vHeight / 100);
|
|
|
|
for ($i = 1 ;$i<=count($DotData[$pIndex])/2;$i++)
|
|
{
|
|
If($DotData[$pIndex][2*$i-2] <> 0 && $DotData[$pIndex][2*$i] <> 0)
|
|
{
|
|
// 终点坐标
|
|
$vEndX = ($DotData[$pIndex][2*$i]-1) * $vWidth / 100;
|
|
|
|
$vEndY = ($DotData[$pIndex][2*$i+1]-1) * $vHeight / 100;
|
|
|
|
// 横向差距
|
|
$vDX = $vEndX - $vStartX;
|
|
// 纵向差距
|
|
$vDY = $vEndY - $vStartY;
|
|
|
|
// 倾斜角度
|
|
if($vDX == 0)
|
|
$vAngle = $this->Sgn($vDY) * 3.14/2;
|
|
else
|
|
$vAngle = atan($vDY /$vDX);
|
|
|
|
//两坐标距离
|
|
if(sin($vAngle) == 0)
|
|
$vLength = $vDX;
|
|
else
|
|
$vLength = $vDY / sin($vAngle);
|
|
|
|
// 随机转动角度
|
|
$vAngle = $vAngle + ($this->Rnd() - 0.5) * 2 * $this->Angle * 3.14 * 2 / 100;
|
|
|
|
$vDX = intval(cos($vAngle) * $vLength);
|
|
|
|
$vDY = intval(sin($vAngle) * $vLength);
|
|
|
|
if(abs($vDX) > abs($vDY))
|
|
$vDeltaT = abs($vDX) ;
|
|
else
|
|
$vDeltaT = abs($vDY);
|
|
|
|
for($j = 1;$j<=$vDeltaT;$j++)
|
|
$this->SetDot($Margin[0] + $vStartX + $j * $vDX / $vDeltaT, $Margin[2] + $vStartY + $j * $vDY / $vDeltaT);
|
|
|
|
|
|
$vStartX = $vStartX + $vDX;
|
|
|
|
$vStartY = $vStartY + $vDY;
|
|
}
|
|
}
|
|
}
|
|
|
|
function Output($width=60,$height=16,$type=false) {
|
|
if($type){
|
|
$this->initverfycode();
|
|
}
|
|
$this->Width = $width;
|
|
$this->Height = $height;
|
|
|
|
$out = "";
|
|
$i = 0;
|
|
|
|
// 文件类型
|
|
$out .= "GIF";
|
|
// 版本信息
|
|
$out .= "89a";
|
|
// 逻辑屏幕宽度
|
|
$out .= chr($this->Width % 256).chr(($this->Width/256) % 256);
|
|
// 逻辑屏幕高度
|
|
$out .= chr($this->Height % 256).chr(($this->Height / 256) % 256);
|
|
|
|
$out .= chr(128) . chr(0) . chr(0);
|
|
// 全局颜色列表
|
|
$out .= chr(0xEE).chr(0xEE).chr(0xEE);
|
|
$out .= chr(0x00).chr(0x00).chr(0x00);
|
|
|
|
// 图象标识符
|
|
$out .= ",";
|
|
|
|
$out .= chr(0).chr(0).chr(0).chr(0);
|
|
// 图象宽度
|
|
$out .= chr($this->Width % 256).chr(($this->Width/256) % 256);
|
|
// 图象高度
|
|
$out .= chr($this->Height % 256).chr(($this->Height / 256) % 256);
|
|
$out .= chr(0).chr(7).chr(255);
|
|
|
|
for($y = 0;$y<$this->Height;$y++)
|
|
{
|
|
for($x = 0;$x<$this->Width;$x++)
|
|
{
|
|
if($this->Rnd() < $this->Noisy / 100)
|
|
$out .= chr(1-$this->Graph[$x][$y]);
|
|
else
|
|
{
|
|
if($x * ($x-$this->Width) == 0 || $y * ($y-$this->Height) == 0)
|
|
$out .= chr($this->Graph[$x][$y]);
|
|
else
|
|
{
|
|
if($this->Graph[$x-1][$y]== 1 || $this->Graph[$x][$y] || $this->Graph[$x][$y-1] == 1)
|
|
$out .= chr(1);
|
|
else
|
|
$out .= chr(0);
|
|
}
|
|
}
|
|
if(($y * $this->Width + $x + 1) % 126 == 0)
|
|
{
|
|
$out .= chr(128);
|
|
$i++;
|
|
}
|
|
if(($y * $this->Width + $x + $i + 1) % 255 == 0)
|
|
{
|
|
if(($this->Width*$this->Height - $y * $this->Width - $x - 1) > 255)
|
|
$out .= chr(255);
|
|
else
|
|
$out .= chr($this->Width * $this->Height %255);
|
|
}
|
|
}
|
|
}
|
|
$out .= chr(128).chr(0).chr(129).chr(0).chr(59);
|
|
|
|
|
|
header("Expires: -9999");
|
|
header("Pragma: no-cache");
|
|
header("Cache-Control: no-cache, no-store");
|
|
header("Content-Type: image/gif");
|
|
echo $out;
|
|
|
|
}
|
|
}
|
|
?>
|