@Override
protected void onDraw(@NonNull Canvas canvas) {
final int cx = getWidth() / 2, cy = canvas.getHeight() / 2;
canvas.drawCircle(cx, cy, innerRadius, paint);
if (isChecked()) {
canvas.drawCircle(cx, cy, outerRadius, strokePaint);
textRenderer.draw(canvas, cx, cy);
}
}
public SelectionColorButton(Context context, int innerRadius, int color) {
super(context, null);
this.innerRadius = innerRadius;
outerRadius = (int) (innerRadius * 1.2f);
width = (int) (outerRadius * 2.4f);
this.color = color;
setBackgroundResource(R.drawable.bg_selection_toolbar_item);
setPadding(0, 0, 0, 0); // overrides default toggle button's paddings
paint = new Paint();
paint.setFlags(Paint.ANTI_ALIAS_FLAG);
strokePaint = new Paint();
strokePaint.setFlags(Paint.ANTI_ALIAS_FLAG);
strokePaint.setStyle(Paint.Style.STROKE);
strokePaint.setStrokeWidth((outerRadius - innerRadius) * 2 / 3);
textRenderer = new TextCenterRenderer(getContext().getString(R.string.selection_quote));
textRenderer.onMeasure(innerRadius);
setupColors(Color.WHITE);
}