<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[fz_dev的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/fz_dev</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; fz_dev]]></copyright><item><title><![CDATA[Linux 文件与文件夹操作命令]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489664</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489664</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:51:46 +0800</pubDate><description><![CDATA[以下内容是我在慕课网上学习的时候总结归纳的，部分截图来源于慕课网视频教程（http://www.imooc.com/learn/175）：



1.mkdir 创建目录
    -p 递归创建
2.rmdir 删除空目录
3.rm 删除文件或者目录
    -r 删除目录
    -f 不做提示的强制删除
4.cp 复制文件或目录
    -r 复制目录
    -p 复]]></description><category></category></item><item><title><![CDATA[Android Canvas.drawText(...)自动换行]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489645</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489645</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:49:36 +0800</pubDate><description><![CDATA[canvas.save();TextPaint textPaint = new TextPaint();textPaint.setTextSize(17);textPaint.setColor(Color.BLACK);String data = "222222222222222222222222222222222222222222222222222222222222222222222222222]]></description><category></category></item><item><title><![CDATA[Android OpenGL_ES2.0 理解矩阵Matrix]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489604</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489604</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:42:05 +0800</pubDate><description><![CDATA[http://www2.edu-edu.com.cn/lesson_crs78/self/j_0022/soft/ch0605.html里面有关于矩阵运算的详细介绍

补充:
矩阵与矩阵之间的乘法运算
前提：
    左矩阵的列数=右矩阵的行数
否则 无意义




结果矩阵的大小 = 左矩阵的行数*右矩阵的列数
比如左矩阵为2行，右矩阵为3列，那么结果矩阵为2行3列
]]></description><category></category></item><item><title><![CDATA[Android OpenGL_ES2.0 LookAt 我的眼睛在哪里？]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489600</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489600</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:41:16 +0800</pubDate><description><![CDATA[public static void setLookAtM(float[] rm, int rmOffset,        float eyeX, float eyeY, float eyeZ,        float centerX, float centerY, float centerZ, float upX, float upY,        float upZ) {}
// Po]]></description><category></category></item><item><title><![CDATA[Android OpenGL_ES2.0 Frustum 我能看见哪些地方？]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489586</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489586</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:39:13 +0800</pubDate><description><![CDATA[public static void frustumM(float[] m, int offset,        float left, float right, float bottom, float top,        float near, float far) {...}



final float ratio = (float) width / height;final]]></description><category></category></item><item><title><![CDATA[Android OpenGL_ES2.0 ViewPort 显示在屏幕的哪块区域？]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489561</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489561</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:35:47 +0800</pubDate><description><![CDATA[public static native void glViewport(int x,    int y,    int width,    int height);

public void onSurfaceChanged(GL10 glunused, int width, int height) {//设置渲染区域GLES20.glViewport(0, 0, width, height]]></description><category></category></item><item><title><![CDATA[Android 理解PorterDuffXfermode叠加模式]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489481</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489481</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:24:39 +0800</pubDate><description><![CDATA[关于PorterDuffXfermode的讲解在网上有很多相关的教程，以下只是针对我自己在使用过程中遇到的问题做补充说明：





以上所有格子应该看做一张图片（包括图片的大小）


src需要是一张图片，才能体现周边的透明度
怎么理解这句话呢？
如果在View的Canvas上绘制src，比如drawCircle(xxx),所代表的区域仅仅是圆形的区域或圆环的区域，此刻的相]]></description><category></category></item><item><title><![CDATA[Android 关于路径Path的那些效果]]></title><link>https://blog.youkuaiyun.com/fz_dev/article/details/51489421</link><guid>https://blog.youkuaiyun.com/fz_dev/article/details/51489421</guid><author>fz_dev</author><pubDate>Tue, 24 May 2016 13:13:50 +0800</pubDate><description><![CDATA[主要内容：
1.path线段动画绘制出现(画图，画svg文字等)
2.path路径动画(对象沿着指定的路径进行运动)
3.获取path内的所有点（判断是否触摸在指定区域内)


一、path线段的动画绘制(也可以将SVG格式的文字转换为path之后实现写字效果)


先看网上盗的动态图（注意看里面的线段出现方式，感觉就像拿着笔依次绘制出来的感觉）

gif图太大传不上来，看h]]></description><category></category></item></channel></rss>