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// SPDX-License-Identifier: GPL-2.0-or-later
/** \file
* LPE <line_segment> implementation
*/
/*
* Authors:
* Maximilian Albert
*
* Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "live_effects/lpe-line_segment.h"
#include "ui/tools/lpe-tool.h"
// TODO due to internal breakage in glibmm headers, this must be last:
#include <glibmm/i18n.h>
namespace Inkscape {
namespace LivePathEffect {
static const Util::EnumData<EndType> EndTypeData[] = {
{END_CLOSED , N_("Closed"), "closed"},
{END_OPEN_INITIAL , N_("Open start"), "open_start"},
{END_OPEN_FINAL , N_("Open end"), "open_end"},
{END_OPEN_BOTH , N_("Open both"), "open_both"},
};
static const Util::EnumDataConverter<EndType> EndTypeConverter(EndTypeData, sizeof(EndTypeData)/sizeof(*EndTypeData));
LPELineSegment::LPELineSegment(LivePathEffectObject *lpeobject) :
Effect(lpeobject),
end_type(_("End type:"), _("Determines on which side the line or line segment is infinite."), "end_type", EndTypeConverter, &wr, this, END_OPEN_BOTH)
{
/* register all your parameters here, so Inkscape knows which parameters this effect has: */
registerParameter(&end_type);
}
LPELineSegment::~LPELineSegment()
= default;
void
LPELineSegment::doBeforeEffect (SPLPEItem const* lpeitem)
{
Inkscape::UI::Tools::lpetool_get_limiting_bbox_corners(lpeitem->document, bboxA, bboxB);
}
Geom::PathVector
LPELineSegment::doEffect_path (Geom::PathVector const & path_in)
{
Geom::PathVector output;
A = path_in.initialPoint();
B = path_in.finalPoint();
Geom::Rect dummyRect(bboxA, bboxB);
std::optional<Geom::LineSegment> intersection_segment = Geom::Line(A, B).clip(dummyRect);
if (!intersection_segment) {
g_print ("Possible error - no intersection with limiting bounding box.\n");
return path_in;
}
if (end_type == END_OPEN_INITIAL || end_type == END_OPEN_BOTH) {
A = intersection_segment->initialPoint();
}
if (end_type == END_OPEN_FINAL || end_type == END_OPEN_BOTH) {
B = intersection_segment->finalPoint();
}
Geom::Path path(A);
path.appendNew<Geom::LineSegment>(B);
output.push_back(path);
return output;
}
} //namespace LivePathEffect
} /* namespace Inkscape */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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