77 lines
2.3 KiB
Java
77 lines
2.3 KiB
Java
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package net.heartshield.ui;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.support.annotation.Nullable;
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import android.support.v4.content.ContextCompat;
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import android.util.AttributeSet;
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import android.view.View;
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import net.heartshield.prevent.R;
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/**
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* @author David Madl (git@abanbytes.eu)
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* @date 2017-10-29
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*/
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public class CircleView extends View {
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private double mViewDiameter = 1.0;
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private double mMeasureSize;
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private int mWidth;
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private int mHeight;
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private Paint mPaint;
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public CircleView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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init(context);
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}
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private void init(Context context) {
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mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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mPaint.setColor(ContextCompat.getColor(context, R.color.square_image_background_highlight));
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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//canvas.drawCircle(x, y, radius, paint);
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canvas.drawCircle(mWidth / 2, mHeight / 2, (float) (mMeasureSize / 2.0 * (0.2 + mViewDiameter * 0.60)), mPaint);
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}
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public void setDiameter(double diameter) {
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mViewDiameter = diameter;
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mViewDiameter = Math.min(Math.max(mViewDiameter, 0.0), 1.0);
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invalidate();
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}
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@Override
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public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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/*
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if(false) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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return;
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}
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*/
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//final int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
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final int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
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//final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
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final int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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mMeasureSize = Math.min(widthSpecSize, heightSpecSize);
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mWidth = widthSpecSize;
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mHeight = heightSpecSize;
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/*
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if(widthSpecSize < heightSpecSize) {
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super.onMeasure(widthMeasureSpec, widthMeasureSpec);
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mMeasureSize = widthSpecSize;
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} else {
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super.onMeasure(heightMeasureSpec, heightMeasureSpec);
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mMeasureSize = heightSpecSize;
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}
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*/
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}
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}
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