/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2017 - ROLI Ltd.

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 5 End-User License
   Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
   27th April 2017).

   End User License Agreement: www.juce.com/juce-5-licence
   Privacy Policy: www.juce.com/juce-5-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

namespace RelativePointHelpers
{
    inline void skipComma (String::CharPointerType& s)
    {
        s = s.findEndOfWhitespace();

        if (*s == ',')
            ++s;
    }
}

//==============================================================================
RelativePoint::RelativePoint()
{
}

RelativePoint::RelativePoint (Point<float> absolutePoint)
    : x (absolutePoint.x), y (absolutePoint.y)
{
}

RelativePoint::RelativePoint (const float x_, const float y_)
    : x (x_), y (y_)
{
}

RelativePoint::RelativePoint (const RelativeCoordinate& x_, const RelativeCoordinate& y_)
    : x (x_), y (y_)
{
}

RelativePoint::RelativePoint (const String& s)
{
    String error;
    String::CharPointerType text (s.getCharPointer());
    x = RelativeCoordinate (Expression::parse (text, error));
    RelativePointHelpers::skipComma (text);
    y = RelativeCoordinate (Expression::parse (text, error));
}

bool RelativePoint::operator== (const RelativePoint& other) const noexcept
{
    return x == other.x && y == other.y;
}

bool RelativePoint::operator!= (const RelativePoint& other) const noexcept
{
    return ! operator== (other);
}

Point<float> RelativePoint::resolve (const Expression::Scope* scope) const
{
    return Point<float> ((float) x.resolve (scope),
                         (float) y.resolve (scope));
}

void RelativePoint::moveToAbsolute (Point<float> newPos, const Expression::Scope* scope)
{
    x.moveToAbsolute (newPos.x, scope);
    y.moveToAbsolute (newPos.y, scope);
}

String RelativePoint::toString() const
{
    return x.toString() + ", " + y.toString();
}

bool RelativePoint::isDynamic() const
{
    return x.isDynamic() || y.isDynamic();
}