//plus 控件 - 旋转动画
//plus 控件使用指南: doc://library-guide/std/win/ui/ctrl/plus.md
import win.ui;
/*DSG{{*/
var winform = win.form(text="鼠标放到图像上显示动画";right=234;bottom=214;bgcolor=0xFF0000)
winform.add(
plus={cls="plus";left=93;top=69;right=143;bottom=119;border={radius=-1};foreRepeat="scale";notify=1;z=1}
)
/*}}*/

import inet.http;
winform.plus.foreground = "https://i.loli.net/2018/04/22/5adc885d7b359.jpg";

winform.plus.onDrawContent = function(graphics,rc,txtColor,rcContent,foregroundColor,font){ 
	if(owner.animationState) graphics.rotateRect(rc,owner.animationState);
}

winform.plus.onAnimation = function(state,beginning,change,timestamp,duration){
	if(timestamp < duration){
		var x = timestamp/duration;  
		return beginning+change*(-x*x + 2*x);     	
	}     
}

winform.plus.onMouseEnter = function(wParam,lParam){
	winform.plus.startAnimation(1,0,360,900) 
}

winform.plus.onMouseLeave = function(wParam,lParam){
	winform.plus.stopAnimation()
}

winform.show(); 
win.loopMessage();