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78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
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// -*- C++ -*-
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/**
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* \file ParagraphMetrics.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 Asger Alstrup
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* \author Lars Gullik Bj<EFBFBD>nnes
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* \author John Levon
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* \author Andr<EFBFBD> P<EFBFBD>nitz
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* \author J<EFBFBD>rgen Vigna
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* \author Abdelrazak Younes
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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 PARAGRAPH_METRICS_H
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#define PARAGRAPH_METRICS_H
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#include "paragraph.h"
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namespace lyx {
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class MetricsInfo;
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class PainterInfo;
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/// Helper class for Paragraph Metrics.
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class ParagraphMetrics {
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public:
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/// Default constructor (only here for STL containers).
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ParagraphMetrics(): par_(0) {};
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/// The only useful constructor.
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ParagraphMetrics(Paragraph const & par);
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///
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Row & getRow(pos_type pos, bool boundary);
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///
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Row const & getRow(pos_type pos, bool boundary) const;
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///
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size_t pos2row(pos_type pos) const;
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/// BufferView::redoParagraph updates this
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Dimension const & dim() const { return dim_; }
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Dimension & dim() { return dim_; }
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/// total height of paragraph
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unsigned int height() const { return dim_.height(); }
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/// total width of paragraph, may differ from workwidth
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unsigned int width() const { return dim_.width(); }
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/// ascend of paragraph above baseline
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unsigned int ascent() const { return dim_.ascent(); }
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/// descend of paragraph below baseline
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unsigned int descent() const { return dim_.descent(); }
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/// LyXText updates the rows using this access point
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RowList & rows() { return rows_; }
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/// The painter and others use this
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RowList const & rows() const { return rows_; }
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///
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RowSignature & rowSignature() const { return rowSignature_; }
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///
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int rightMargin(Buffer const & buffer) const;
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/// dump some information to lyxerr
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void dump() const;
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private:
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///
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mutable RowList rows_;
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///
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mutable RowSignature rowSignature_;
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/// cached dimensions of paragraph
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Dimension dim_;
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///
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Paragraph const * par_;
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};
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} // namespace lyx
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#endif // PARAGRAPH_METRICS_H
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