适配新版,更新uToolsAPI文档

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fofolee
2020-05-02 10:25:12 +08:00
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<h1>标准库函数 - line</h1>
<p>原型extern void line(int left, int top, int right, int bottom, int mode);</p>
<p>用法:#include &lt;system.h></p>
<p>功能:在屏幕上画直线</p>
<p>说明lefttoprightbottom指定直线的两个端点坐标。mode决定划线的模式。</p>
<pre><code class="language-c"> 超出屏幕的线将被裁端。
mode值的含义
mode=0清除方式
=1正常方式
=2取反方式
</code></pre>
举例:<pre><code class="language-c">
// line.c
#include &lt;system.h>
main()
{
clrscr();
move(10,10); // hide cursor
block(20,10,100,40,1);
line(1,1,111,47,1); // from top left to bottom right
line(1,47,111,1,0); // from bottom left to top right
line(112/2,1,112/2,47,2); // line vertically at the middle of the LCD
getchar();
return 0;
}
</code></pre>相关函数:无