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 widthMeasureSpec, int heightMeasureSpec) {
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
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);
}
for(int i =0;i< MAX_LINE;i++){
int startY = (int) (lineHeight/2);
int endY = (int) (w-lineHeight/2);
int x = (int) ((0.5+i) * lineHeight);
canvas.drawLine(x,startY,x,endY,mPaint);
}
}
}