134 lines
2.5 KiB
Java
134 lines
2.5 KiB
Java
package org.torproject.android;
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import java.util.Random;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.util.AttributeSet;
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import android.view.MotionEvent;
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import android.view.View;
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public class RandomColorCircleView extends View
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{
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private Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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private float initX, initY, radius;
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private boolean drawing = false;
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Random rand = new Random();
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public RandomColorCircleView(Context context) {
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super(context);
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// TODO Auto-generated constructor stub
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init();
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}
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public RandomColorCircleView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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public RandomColorCircleView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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init();
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}
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private void init(){
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paint.setStyle(Paint.Style.STROKE);
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paint.setColor(Color.WHITE);
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paint.setAntiAlias(false);
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paint.setStrokeWidth(6);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec),
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MeasureSpec.getSize(heightMeasureSpec));
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}
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int a1 = 30;
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int a2 = 255;
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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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for (int i = 0; i < 20; i++)
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{
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float r = rand.nextFloat()*255f;
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float g = rand.nextFloat()*255f;
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float b = rand.nextFloat()*255f;
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paint.setARGB(a1,(int)r,(int)g,(int)b);
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float x = rand.nextFloat() * getWidth();
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float y = rand.nextFloat() * getHeight();
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float w = rand.nextFloat() * getWidth();
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float h = rand.nextFloat() * getHeight();
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canvas.drawCircle(x, y, w/2, paint);
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}
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}
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int a1mod = 1;
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public void updateAlpha ()
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{
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a1 += a1mod;
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if (a1 > 255 || a1 < 0)
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a1mod *= -1;
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}
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/*
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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int action = event.getAction();
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if (action==MotionEvent.ACTION_MOVE){
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float x = event.getX();
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float y = event.getY();
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// radius = (float) Math.sqrt(Math.pow(x-initX, 2) + Math.pow(y-initY, 2));
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//updateAlpha();
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a1 = (int)(255*(y/((float)getHeight())));
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}
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else if (action==MotionEvent.ACTION_DOWN){
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initX = event.getX();
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initY = event.getY();
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radius = 1;
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drawing = true;
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}
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else if (action==MotionEvent.ACTION_UP){
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drawing = false;
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}
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return true;
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}*/
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} |