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(0x88000000);
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 = mLineheight*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);
}
}
}