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);
????????}
????}


}