@Override
public void onDraw(Canvas c) {
mRect.setView(this);
if (colors.getBkgColor() != Color.TRANSPARENT) {
paint.setColor(colors.getBkgColor());
mRect.drawRounded(c, paint);
}
paint.setColor(colors.getSndColor());
mRect.drawRimRounded(c, paint);
mRect.drawStripesX(c, mn, paint);
for (int i = 0; i < pressCount; i++) {
PointF f = mActivePointers.get(i);
if (f != null) {
paint.setColor(palette[i]);
mRect.drawCross(c, f.x, f.y, paint);
int mSelected = ViewUtils.getCell(mn, f.x);
paint.setColor(colors.getSndColor());
mRect.drawSelectedStripesX(c, mn, mSelected, paint);
}
}
if (!mLabels.isEmpty()) {
paint.setColor(textColor);
mRect.drawStripesXText(c, mn, paint, mLabels);
}
}
private void normalizePoint(PointF f) {
f.x = (f.x - getLeft()) / mRect.getWidth();
f.y = (f.y - getTop()) / mRect.getHeight();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int pointerIndex = event.getActionIndex();
int pointerId = event.getPointerId(pointerIndex);
int maskedAction = event.getActionMasked();
switch (maskedAction) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
{
performClick();
if (event.getPointerCount() < mMaxTouch) {
pressCount = event.getPointerCount();
PointF f = new PointF();
f.x = event.getX(pointerIndex);
f.y = event.getY(pointerIndex);
if (mRect.contains(f)) {
normalizePoint(f);
mActivePointers.put(pointerId, f);
mListener.on(pointerId, ViewUtils.getCell(mn, f.x), mRangeY.fromRelative(f.y));
}
}
}
case MotionEvent.ACTION_MOVE:
{ // a pointer was moved
for (int size = event.getPointerCount(), i = 0; i < size; i++) {
pointerId = event.getPointerId(i);
PointF point = mActivePointers.get(pointerId);
if (point != null) {
point.x = event.getX(i);
point.y = event.getY(i);
if (mRect.contains(point)) {
normalizePoint(point);
mListener.move(
pointerId, ViewUtils.getCell(mn, point.x), mRangeY.fromRelative(point.y));
} else {
mActivePointers.remove(pointerId);
mListener.off(pointerId);
}
}
}
break;
}
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
case MotionEvent.ACTION_CANCEL:
{
PointF f = new PointF();
f.x = event.getX(pointerIndex);
f.y = event.getY(pointerIndex);
if (mRect.contains(f)) {
mActivePointers.remove(pointerId);
mListener.off(pointerId);
}
break;
}
}
invalidate();
return true;
}