From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:24:48 +0200 Subject: Adding upstream version 1.2.2. Signed-off-by: Daniel Baumann --- src/perspective-line.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 src/perspective-line.h (limited to 'src/perspective-line.h') diff --git a/src/perspective-line.h b/src/perspective-line.h new file mode 100644 index 0000000..9146b3e --- /dev/null +++ b/src/perspective-line.h @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Perspective line for 3D perspectives + * + * Authors: + * Maximilian Albert + * + * Copyright (C) 2007 authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifndef SEEN_PERSPECTIVE_LINE_H +#define SEEN_PERSPECTIVE_LINE_H + +#include "line-geometry.h" + +class SPDesktop; + +namespace Box3D { + +class PerspectiveLine : public Box3D::Line { +public: + /** + * Create a perspective line starting at 'pt' and pointing in the direction of the + * vanishing point corresponding to 'axis'. If the VP has style VP_FINITE then the + * PL runs through it; otherwise it has the direction specified by the v_dir vector + * of the VP. + */ + PerspectiveLine (Geom::Point const &pt, Proj::Axis const axis, Persp3D const *persp); + +private: + Proj::Axis vp_dir; // direction of the associated VP + Persp3D const *persp; +}; + + +} // namespace Box3D + + +#endif /* !SEEN_PERSPECTIVE_LINE_H */ + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 : -- cgit v1.2.3