<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[blue5tar的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/blue5tar</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; blue5tar]]></copyright><item><title><![CDATA[ajax简单类]]></title><link>https://blog.youkuaiyun.com/blue5tar/article/details/2187782</link><guid>https://blog.youkuaiyun.com/blue5tar/article/details/2187782</guid><author>blue5tar</author><pubDate>Sun, 16 Mar 2008 16:46:00 +0800</pubDate><description><![CDATA[    function QiAjax()    ...{       var ObjThis = this;       // -----------------------------------------------------------       this.getXmlHttp = function()       ...{          var xmlHttp;      ]]></description><category></category></item><item><title><![CDATA[彩色转灰度算法]]></title><link>https://blog.youkuaiyun.com/blue5tar/article/details/2100523</link><guid>https://blog.youkuaiyun.com/blue5tar/article/details/2100523</guid><author>blue5tar</author><pubDate>Sun, 17 Feb 2008 14:01:00 +0800</pubDate><description><![CDATA[彩色转灰度算法彻底学习　　最近突然又对图形学有了兴趣，翻出了多年前学习图形学的笔记，感触良多。于是将它们整理好发了上来。一、基础　　对于彩色转灰度，有一个很著名的心理学公式：Gray = R*0.299 + G*0.587 + B*0.114 二、整数算法　　而实际应用时，希望避免低速的浮点运算，所以需要整数算法。　　注意到系数都是3位精度的没有，我们可以将它们缩放1000]]></description><category></category></item><item><title><![CDATA[php获得图像某点颜色RGB色值]]></title><link>https://blog.youkuaiyun.com/blue5tar/article/details/2100520</link><guid>https://blog.youkuaiyun.com/blue5tar/article/details/2100520</guid><author>blue5tar</author><pubDate>Sun, 17 Feb 2008 13:57:00 +0800</pubDate><description><![CDATA[ php$im = ImageCreateFromPng("rockym.png");$rgb = ImageColorAt($im, 100, 100);$r = ($rgb >> 16) & 0xFF;$g = ($rgb >> 8) & 0xFF;$b = $rgb & 0xFF;?>]]></description><category></category></item><item><title><![CDATA[C# Windows Form 最小化系统托盘(Tray)]]></title><link>https://blog.youkuaiyun.com/blue5tar/article/details/2099882</link><guid>https://blog.youkuaiyun.com/blue5tar/article/details/2099882</guid><author>blue5tar</author><pubDate>Sat, 16 Feb 2008 20:37:00 +0800</pubDate><description><![CDATA[程序界面如下： 控件 ：button notifyIcon contextMenuStrip点击托盘 出现提示框 询问是否真的要托盘 确认 程序托盘到windows右下角双击托盘图标 程序显示 右键托盘图标 显示菜单点击最小化按钮程序托盘程序所有代码如下：using System;using System.Collections.Generic;using ]]></description><category></category></item></channel></rss>