aardio的gdip基础绘图练习实例_aardio 画线

import win.ui;
/*DSG{{*/
var winform = win.form(text="aardio form";right=759;bottom=469)
winform.add(
button={cls="button";text="gdip绘图";left=275;top=380;right=429;bottom=429;z=2};
plus={cls="plus";left=135;top=17;right=587;bottom=340;repeat="scale";z=1}
)
/*}}*/
 
//aardio的gdip简单绘图实例
 
import gdip;
 
//winform.show(); //无函调用先显示窗体
 
winform.button.oncommand = function(id,event){
    //画板
    var graphics = gdip.graphics(winform.plus)
    //画板尺寸
    var left,top,right,bottom = 1,1,120*3,115*3; //图形矩形
    var leftText,topText,rightText,bottomText = 1,bottom*0.8,right,bottom; //文字矩形
    //画图: 图形填充,如截屏或gpid.bitmap位图
    import gdip.snap;
    var bmp = gdip.snap(); //截屏
    //var bmp = gdip.bitmap("D:\图片\5be2ace5cc0e2.jpg"); //位图
    graphics.drawImageRect(bmp,left,top,right,bottom);
    //画线
    var pen = gdip.pen(0XFFFF0000,1); //pen笔,颜色:红色,宽度,单位:像素
    //颜色: 第一个0xff表示透明度100%
    //红：0xffff0000 绿：0xff00ff00 蓝：0xff0000ff
    //黄色=绿色+红色：0xffffff00
    //青色=绿色+蓝色：0xff00ffff
    //品红=红色+蓝色：0xffff00ff
    graphics.drawLine(pen,left,bottom*0.8,right,bottom*0.8); //80%高度位置
    //文字
    var text = "aardio 你好"
    var sbrush = gdip.solidBrush(0XFFFF0000); //笔刷:红色
    var fontFamily = gdip.family("宋体");
    var font = fontFamily.createFont(15,2/*_FontStyleItalic*/,2/*_UnitPixel*/);
    //fontFamily.createFont(字体大小,样式4种,单位1种:像素)
    //样式: gdip名字空间 intellisense()
    //样式 1/*_FontStyleBold 粗体*/ 2/*_FontStyleItalic 正常*/ 
    //样式 4/*_FontStyleUnderline 下划线*/ 8/*_FontStyleStrikeout 删除线*/
    var strformat = gdip.stringformat(); //文本格式对象
    graphics.drawString(text,font,::RECTF(leftText,topText,rightText,bottomText),strformat,sbrush)
 
}
 
winform.show();
win.loopMessage();