/**
* Set the bar color. <br>
* <br>
* Its discouraged to use this method.
*
* @param color
*/
public void setColor(int color) {
int x1, y1;
if (mOrientation == ORIENTATION_HORIZONTAL) {
x1 = (mBarLength + mBarPointerHaloRadius);
y1 = mBarThickness;
} else {
x1 = mBarThickness;
y1 = (mBarLength + mBarPointerHaloRadius);
}
Color.colorToHSV(color, mHSVColor);
shader =
new LinearGradient(
mBarPointerHaloRadius,
0,
x1,
y1,
new int[] {0xffffffff, color, 0xff000000},
null,
Shader.TileMode.CLAMP);
mBarPaint.setShader(shader);
calculateColor(mBarPointerPosition);
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
if (mPicker.hasOpacityBar()) mPicker.changeOpacityBarColor(mColor);
}
invalidate();
}
/**
* Set the pointer on the bar. With the saturation value.
*
* @param saturation float between 0 > 1
*/
public void setSaturation(float saturation) {
mBarPointerPosition = Math.round((mSVToPosFactor * saturation) + mBarPointerHaloRadius);
calculateColor(mBarPointerPosition);
mBarPointerPaint.setColor(mColor);
// Check whether the Saturation/Value bar is added to the ColorPicker
// wheel
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
mPicker.changeOpacityBarColor(mColor);
}
invalidate();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
getParent().requestDisallowInterceptTouchEvent(true);
// Convert coordinates to our internal coordinate system
float dimen;
if (mOrientation == ORIENTATION_HORIZONTAL) {
dimen = event.getX();
} else {
dimen = event.getY();
}
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mIsMovingPointer = true;
// Check whether the user pressed on the pointer
if (dimen >= (mBarPointerHaloRadius) && dimen <= (mBarPointerHaloRadius + mBarLength)) {
mBarPointerPosition = Math.round(dimen);
calculateColor(Math.round(dimen));
mBarPointerPaint.setColor(mColor);
invalidate();
}
break;
case MotionEvent.ACTION_MOVE:
if (mIsMovingPointer) {
// Move the the pointer on the bar.
if (dimen >= mBarPointerHaloRadius && dimen <= (mBarPointerHaloRadius + mBarLength)) {
mBarPointerPosition = Math.round(dimen);
calculateColor(Math.round(dimen));
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
mPicker.changeOpacityBarColor(mColor);
}
invalidate();
} else if (dimen < mBarPointerHaloRadius) {
mBarPointerPosition = mBarPointerHaloRadius;
mColor = Color.WHITE;
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
mPicker.changeOpacityBarColor(mColor);
}
invalidate();
} else if (dimen > (mBarPointerHaloRadius + mBarLength)) {
mBarPointerPosition = mBarPointerHaloRadius + mBarLength;
mColor = Color.BLACK;
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
mPicker.changeOpacityBarColor(mColor);
}
invalidate();
}
}
break;
case MotionEvent.ACTION_UP:
mIsMovingPointer = false;
break;
}
return true;
}