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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Leo Tenenbaum
// This file is part of GraphColoring.
//
// GraphColoring is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GraphColoring is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GraphColoring. If not, see <https://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
#include "position.hpp"
#include <iostream>
#include "utils/errors.hpp"
namespace gui {
Position::Position(int x_, int y_, double relx_, double rely_,
const Size* parent_size_, const Position* parent_pos_)
{
SetPos(x_, y_);
SetRel(relx_, rely_);
SetParent(parent_size_, parent_pos_);
}
int Position::X() const
{
int xpos = x;
if (parent_size != nullptr)
xpos += relx * parent_size->X();
if (parent_pos != nullptr)
xpos += parent_pos->X();
return xpos;
}
int Position::Y() const
{
int ypos = y;
if (parent_size != nullptr)
ypos += rely * parent_size->Y();
if (parent_pos != nullptr)
ypos += parent_pos->Y();
return ypos;
}
void Position::SetX(int x_) { x = x_; }
void Position::SetY(int y_) { y = y_; }
void Position::SetPos(int x_, int y_)
{
SetX(x_);
SetY(y_);
}
void Position::SetRel(double relx_, double rely_)
{
relx = relx_;
rely = rely_;
}
void Position::SetParent(const Size* parent_size_, const Position* parent_pos_)
{
parent_size = parent_size_;
parent_pos = parent_pos_;
}
int Position::AlignAxis(Alignment alignment, int val, int size)
{
switch (alignment)
{
case Alignment::LEFT:
return val;
case Alignment::RIGHT:
return val - size;
case Alignment::CENTER:
return val - size/2;
}
return -1;
}
int Position::AlignedX(Alignment horizontal_align, int width) const
{
return AlignAxis(horizontal_align, X(), width);
}
int Position::AlignedY(Alignment vertical_align, int height) const
{
return AlignAxis(vertical_align, Y(), height);
}
std::ostream& operator<<(std::ostream& os, Position pos)
{
os << "(" << pos.X() << ", " << pos.Y() << ")";
return os;
}
} // namespace gui
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