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90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
// -*- C++ -*-
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/**
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* \file Dimension.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef DIMENSION_H
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#define DIMENSION_H
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namespace lyx {
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/// Simple wrapper around three ints
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class Dimension {
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public:
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/// constructor
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Dimension() = default;
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/// initialize data
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Dimension(int w, int a, int d) : wid(w), asc(a), des(d) {}
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///
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Dimension & operator=(Dimension const & dim) = default;
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/// glue horizontally
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void operator+=(Dimension const & dim);
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/// set to empty box
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void clear() { wid = asc = des = 0; }
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/// check whether box is empty
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bool empty() const { return wid == 0 && asc == 0 && des == 0; }
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/// get height
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int height() const { return asc + des; }
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/// get ascent
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int ascent() const { return asc; }
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/// get descent
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int descent() const { return des; }
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/// get width
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int width() const { return wid; }
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/// add space for a frame
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//void addFrame(int frame) const;
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/// add space for bottom part of a frame
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//void addFrameBottom(int frame) const;
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public:
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/// these are intentionally public as things like
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///
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/// dim.asc += 20;
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///
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/// are used all over the place and "hiding" those behind
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///
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/// dim.ascent(dim.ascent() + 20);
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///
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/// makes the code neither faster nor clearer
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/// width
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int wid = 0;
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/// ascent
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int asc = 0;
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/// descent
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int des = 0;
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};
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inline
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bool operator==(Dimension const & a, Dimension const & b)
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{
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return a.wid == b.wid && a.asc == b.asc && a.des == b.des;
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}
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inline
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bool operator!=(Dimension const & a, Dimension const & b)
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{
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return !(a == b);
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}
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class Point {
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public:
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Point() = default;
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Point(int x, int y);
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int x = 0;
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int y = 0;
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};
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} // namespace lyx
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#endif
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