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82904d4603
Add pixel_ratio to graphics params to use it for displays with high resolution. It holds the ratio between physical pixels and device-independent pixels of the graphics.
83 lines
1.5 KiB
C++
83 lines
1.5 KiB
C++
// -*- C++ -*-
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/**
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* \file GraphicsParams.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 Angus Leeming
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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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* Used internally by the lyx::graphics::Image.
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*/
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#ifndef GRAPHICSPARAMS_H
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#define GRAPHICSPARAMS_H
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#include "support/FileName.h"
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#include <string>
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#include <iosfwd>
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namespace lyx {
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namespace graphics {
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/** Parse a string of the form "200pt 500pt 300mm 5in" into a
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* usable bounding box.
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*/
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class BoundingBox {
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public:
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///
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BoundingBox();
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///
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BoundingBox(std::string const &);
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/// 0 0 0 0 is empty!
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bool empty() const;
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unsigned int xl;
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unsigned int yb;
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unsigned int xr;
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unsigned int yt;
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};
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bool operator==(BoundingBox const &, BoundingBox const &);
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bool operator!=(BoundingBox const &, BoundingBox const &);
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std::ostream & operator<<(std::ostream &, BoundingBox const &);
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class Params
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{
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public:
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Params();
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bool display;
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unsigned int scale;
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double pixel_ratio;
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/// The image filename.
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support::FileName filename;
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/** Note that the BoundingBox is always relative to the BoundingBox
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* as stored in the EPS file.
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* Ie, bb.xl and bb.yb == 0 if that corner is not moved.
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*/
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BoundingBox bb;
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/** The size of the view inside lyx in pixels or the scaling of the
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* image.
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*/
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/// Rotation angle.
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double angle;
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};
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bool operator==(Params const &, Params const &);
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bool operator!=(Params const &, Params const &);
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} // namespace graphics
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} // namespace lyx
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#endif // GRAPHICSPARAMS_H
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