package com.example.wuziqi;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;
public class WuziqiPanel extends View {
private int mPanelWidth;
private float mLineHeight;
private int MAX_LINE=10;
private Paint mPaint = new Paint();
public WuziqiPanel(Context context, AttributeSet attrs) {
super(context, attrs);
setBackgroundColor(0x44ff0000);
init();
}
private void init() {
mPaint.setColor(0x8800000);
mPaint.setAntiAlias(true);
mPaint.setDither(true);
mPaint.setStyle(Paint.Style.STROKE);
}
@Override
protected void onMeasure(int widthMeasure, int heightMeasure) {
int widthSize = MeasureSpec.getSize(widthMeasure);
int widthMode = MeasureSpec.getMode(widthMeasure);
int heightSize = MeasureSpec.getSize(heightMeasure);
int heightMode = MeasureSpec.getMode(heightMeasure);
int width = Math.min(widthSize,heightSize);
if(widthMode == MeasureSpec.UNSPECIFIED){
width = heightSize;
}else if (heightMode == MeasureSpec.UNSPECIFIED){
width = widthSize;
}
setMeasuredDimension(width,width);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mPanelWidth = w;
mLineHeight = mPanelWidth * 1.0f / MAX_LINE;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawBoard(canvas);
}
private void drawBoard(Canvas canvas) {
int w = mPanelWidth;
float lineHeight = mLineHeight;
for (int i = 0;i<MAX_LINE;i++){
int startX = (int)(lineHeight / 2);
int endX = (int)(w-lineHeight / 2);
int y = (int) ((0.5+i)*lineHeight);
canvas.drawLine(startX,y,endX,y,mPaint);
canvas.drawLine(y,startX,y,endX,mPaint);
}
}
}