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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 3.6畫一般的圖形函數 下面的函數幾乎可以用來畫所有的控件,這些函數畫圖非常精確,也非常快。他們可以在任何支持FLTK的平臺上使用。 ``` void fl_point(int x,int y) //畫點函數 void fl_rectf(int x,int y,int w,int h) //畫一個矩形并填充內部 void fl_rectf(int x,int y,int w,int h,uchar r,uchar g,uchar b) //自定義顏色填充矩形 void fl_line(int x, int y, int x1,int y1) //畫一條直線,起點為x,y,終點為x1,y1 void fl_line(int x int y,int x1,int y1,int x2,int y2) //畫兩條直線 void fl_loop(int x, int y, int x1, int y1, int x2, int y2) void fl_loop(int x, int y, int x1, int y1, int x2, int y2, int x3, int y3) ``` Outline a 3 or 4-sided polygon with lines.
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                              哎呀哎呀视频在线观看