package com.yuruiyin.richeditor.sample.utils;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.view.View;
/**
* Title:
* Description:
*
* @author yuruiyin
* @version 2019-05-08
*/
public class ViewUtil {
/**
* 设置指定view的实际大小
* @param view 指定控件
* @param width view的实际宽
* @param height view的实际高
*/
public static void layoutView(View view, int width, int height) {
// 指定整个View的大小 参数是左上角 和右下角的坐标
view.layout(0, 0, width, height);
int measuredWidth = View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.EXACTLY);
int measuredHeight = View.MeasureSpec.makeMeasureSpec(height, View.MeasureSpec.AT_MOST);
// 当然，measure完后，并不会实际改变View的尺寸，需要调用View.layout方法去进行布局。
view.measure(measuredWidth, measuredHeight);
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
}
/**
* 通过canvas将view转化为bitmap
* @param view 指定view
* @return bitmap
*/
public static Bitmap getViewBitmapByCanvas(View view) {
if (view == null) {
return null;
}
Bitmap bmp = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bmp);
// 如果不设置canvas画布为白色，则生成透明
// c.drawColor(Color.WHITE);
// view.layout(0, 0, w, h);
view.draw(canvas);
return bmp;
}
}
