Geom::Path half_outline_old(Geom::Path const& input, double width, double miter, Inkscape::LineJoinType join = Inkscape::JOIN_BEVEL)
{
Geom::Path res;
if (input.size() == 0) return res;
Geom::Point tang1 = input[0].unitTangentAt(0);
Geom::Point start = input.initialPoint() + tang1 * width;
Geom::Path temp;
Geom::Point tang[2];
res.setStitching(true);
temp.setStitching(true);
res.start(start);
// Do two curves at a time for efficiency, since the join function needs to know the outgoing curve as well
const size_t k = (input.back_closed().isDegenerate() && input.closed())
?input.size_default()-1:input.size_default();
for (size_t u = 0; u < k; u += 2) {
temp.clear();
offset_curve_old(temp, &input[u], width);
// on the first run through, there isn't a join
if (u == 0) {
res.append(temp);
} else {
tangents_old(tang, input[u-1], input[u]);
outline_join(res, temp, tang[0], tang[1], width, miter, join);
}
// odd number of paths
if (u < k - 1) {
temp.clear();
offset_curve_old(temp, &input[u+1], width);
tangents_old(tang, input[u], input[u+1]);
outline_join(res, temp, tang[0], tang[1], width, miter, join);
}
}
if (input.closed()) {
Geom::Curve const &c1 = res.back();
Geom::Curve const &c2 = res.front();
temp.clear();
temp.append(c1);
Geom::Path temp2;
temp2.append(c2);
tangents_old(tang, input.back(), input.front());
outline_join(temp, temp2, tang[0], tang[1], width, miter, join);
res.erase(res.begin());
res.erase_last();
//
res.append(temp);
res.close();
}
return res;
}
/* rectangular cutter.
ctr "center" of rectangle (might not actually be in the center with respect to leading/trailing edges
pos vector from center to leading edge
neg vector from center to trailing edge
width vector to side edge
*/
Geom::PathVector PrintMetafile::rect_cutter(Geom::Point ctr, Geom::Point pos, Geom::Point neg, Geom::Point width)
{
std::vector<Geom::Path> outres;
Geom::Path cutter;
cutter.start(ctr + pos - width);
cutter.appendNew<Geom::LineSegment>(ctr + pos + width);
cutter.appendNew<Geom::LineSegment>(ctr + neg + width);
cutter.appendNew<Geom::LineSegment>(ctr + neg - width);
cutter.close();
outres.push_back(cutter);
return outres;
}
void
LPESimplify::drawHandleLine(Geom::Point p,Geom::Point p2)
{
Geom::Path path;
path.start( p );
double diameter = radius_helper_nodes;
if(helper_size > 0 && Geom::distance(p,p2) > (diameter * 0.35)) {
Geom::Ray ray2(p, p2);
p2 = p2 - Geom::Point::polar(ray2.angle(),(diameter * 0.35));
}
path.appendNew<Geom::LineSegment>( p2 );
hp.push_back(path);
}
Geom::Path Layout::baseline() const
{
iterator pos = this->begin();
Geom::Point left_pt = this->characterAnchorPoint(pos);
pos.thisEndOfLine();
Geom::Point right_pt = this->characterAnchorPoint(pos);
if (this->_blockProgression() == LEFT_TO_RIGHT || this->_blockProgression() == RIGHT_TO_LEFT) {
left_pt = Geom::Point(left_pt[Geom::Y], left_pt[Geom::X]);
right_pt = Geom::Point(right_pt[Geom::Y], right_pt[Geom::X]);
}
Geom::Path baseline;
baseline.start(left_pt);
baseline.appendNew<Geom::LineSegment>(right_pt);
return baseline;
}