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#define INKSCAPE_LPE_LINE_SEGMENT_CPP
/** \file
* LPE <line_segment> implementation
*/
/*
* Authors:
* Maximilian Albert
*
* Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/lpe-line_segment.h"
#include "lpe-tool-context.h"
#include <2geom/pathvector.h>
#include <2geom/geom.h>
#include <2geom/bezier-curve.h>
namespace Inkscape {
namespace LivePathEffect {
static const Util::EnumData<EndType> EndTypeData[] = {
{END_OPEN_BOTH , N_("Open both"), "open_both"},
{END_OPEN_LEFT , N_("Open left"), "open_left"},
{END_OPEN_RIGHT , N_("Open right"), "open_right"},
{END_CLOSED , N_("Closed"), "closed"},
};
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( dynamic_cast<Parameter *>(&end_type) );
}
LPELineSegment::~LPELineSegment()
{
}
void
LPELineSegment::doBeforeEffect (SPLPEItem *lpeitem)
{
lpetool_get_limiting_bbox_corners(SP_OBJECT_DOCUMENT(lpeitem), bboxA, bboxB);
}
std::vector<Geom::Path>
LPELineSegment::doEffect_path (std::vector<Geom::Path> const & path_in)
{
using namespace Geom;
std::vector<Geom::Path> output;
A = initialPoint(path_in);
B = finalPoint(path_in);
std::vector<Point> intersections = rect_line_intersect(bboxA, bboxB, A, B);
if (intersections.size() < 2) {
g_print ("Possible error - no intersection with limiting bounding box.\n");
return path_in;
}
if (end_type == END_OPEN_RIGHT || end_type == END_OPEN_BOTH) {
A = intersections[0];
}
if (end_type == END_OPEN_LEFT || end_type == END_OPEN_BOTH) {
B = intersections[1];
}
Geom::Path path(A);
path.appendNew<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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