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package us.minak;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import java.util.List;
import java.util.ArrayList;
public class IMEModifiers {
private final String[] modifiers = { "shift", "ctrl", "alt" };
private final Paint colorPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private final Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private float cx = 0;
private float cy = 0;
private double innerR = 0;
private double outerR = 0;
private double radEach = 0;
public IMEModifiers() {
textPaint.setColor(Color.BLACK);
}
public void draw(Canvas canvas, float cx, float cy, float r) {
this.cx = cx;
this.cy = cy;
innerR = r*(1.0/3.0);
outerR = (float)(r*(2.0/3.0));
radEach = (Math.PI*2.0)/modifiers.length;
double rad = 0;
float[] hsv = {0F, 1F, .75F};
for (int i = 0; i < modifiers.length; i++) {
rad = radEach * i;
hsv[0] = (float)Math.toDegrees(rad);
colorPaint.setColor(Color.HSVToColor(0x80, hsv));
canvas.drawCircle(
(float)(cx+innerR*Math.cos(rad)),
(float)(cy+innerR*Math.sin(rad)),
(float)outerR,
colorPaint);
canvas.drawText(
modifiers[i],
(float)(cx+innerR*Math.cos(rad)),
(float)(cy+innerR*Math.sin(rad)),
textPaint);
}
}
public List<String> getModifiersAtPoint(float x, float y) {
ArrayList<String> ret = new ArrayList<String>();
double mx;
double my;
double rad = 0;
for (int i = 0; i < modifiers.length; i++) {
rad = radEach * i;
mx = cx+innerR*Math.cos(rad);
my = cy+innerR*Math.sin(rad);
if (Math.sqrt(Math.pow(mx-x,2)+Math.pow(my-y, 2)) > outerR)
ret.add(modifiers[i]);
}
return ret;
}
}
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