Delphi实现图像热点功能，实现一张图片上不同形状区域的热点，定义椭圆形、四边形、三角形的区域变量的热点，相关代码如下：
var
thepoint:array[1..8]oftpoint;//存储多边形顶点坐标
count:integer;
pointnum:array[1..2]ofinteger;
begin
//四边形顶点坐标，首末点封闭
thepoint[1]:=point(135,99);
thepoint[2]:=point(105,183);
thepoint[3]:=point(129,20
