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#include <iostream>
#include <2geom/path.h>
#include <2geom/svg-path-parser.h>
#include <2geom/path-intersection.h>
#include <2geom/basic-intersection.h>
#include <2geom/pathvector.h>
#include <2geom/exception.h>
#include <cstdlib>
#include <set>
#include <vector>
#include <algorithm>
#include <toys/path-cairo.h>
#include <toys/toy-framework-2.h>
#include <2geom/bezier-to-sbasis.h>
#include <2geom/ord.h>
using namespace Geom;
using namespace std;
#include "sweeper.cpp"
double exp_rescale(double x){ return pow(10, x);}
std::string exp_formatter(double x){ return default_formatter(exp_rescale(x));}
class SweeperToy: public Toy {
int nb_paths;
int nb_curves_per_path;
int degree;
std::vector<PointSetHandle> paths_handles;
std::vector<Slider> sliders;
Sweeper sweeper;
void drawTile( cairo_t *cr, unsigned idx , unsigned line_width=1){
if (idx>=sweeper.tiles_data.size()) return;
Rect box;
box = sweeper.tiles_data[idx].fbox;
box[X].expandBy(1);
cairo_rectangle(cr, box);
cairo_set_source_rgba (cr, 1., 0., 0., .5);
cairo_set_line_width (cr, line_width);
cairo_stroke(cr);
box = sweeper.tiles_data[idx].tbox;
box[Y].expandBy(1);
cairo_rectangle(cr, box);
cairo_set_source_rgba (cr, 0., 0., 1., .5);
cairo_set_line_width (cr, line_width);
cairo_stroke(cr);
Sweeper::Tile tile = sweeper.tiles_data[idx];
D2<SBasis> p = sweeper.paths[tile.path][tile.curve].toSBasis();
Interval dom = Interval(tile.f,tile.t);
cairo_set_source_rgba (cr, 0., 1., .5, .8);
p = portion(p, dom);
cairo_d2_sb(cr, p);
cairo_set_line_width (cr, line_width);
cairo_stroke(cr);
}
void drawTiles( cairo_t *cr ){
for (unsigned i=0; i<sweeper.tiles_data.size(); i++){
drawTile( cr, i );
}
// for (unsigned i=0; i<sweeper.vtxboxes.size(); i++){
// cairo_rectangle(cr, sweeper.vtxboxes[i]);
// cairo_set_source_rgba (cr, 0., 0., 0, 1);
// cairo_set_line_width (cr, 1);
// cairo_stroke(cr);
// }
}
void enlightTile( cairo_t *cr, unsigned idx){
drawTile(cr, idx, 4);
}
void draw(cairo_t *cr, std::ostringstream *notify, int width, int height, bool save, std::ostringstream *timer_stream) override {
cairo_set_source_rgba (cr, 0., 0., 0, 1);
cairo_set_line_width (cr, 1);
PathVector paths;
for (int i = 0; i < nb_paths; i++){
paths_handles[i].pts.back()=paths_handles[i].pts.front();
paths.push_back(Path(paths_handles[i].pts[0]));
for (unsigned j = 0; j+degree < paths_handles[i].size(); j+=degree){
D2<SBasis> c = handles_to_sbasis(paths_handles[i].pts.begin()+j, degree);
paths[i].append(c);
}
paths[i].close();
}
//cairo_path(cr, paths);
cairo_set_source_rgba (cr, 0., 0., 0, 1);
cairo_set_line_width (cr, 1);
cairo_stroke(cr);
double tol = exp_rescale(sliders[3].value());
Rect tolbytol( Point(50,110), Point(50,110) );
tolbytol.expandBy( tol );
cairo_rectangle(cr, tolbytol);
cairo_stroke(cr);
sweeper = Sweeper(paths,X, tol);
unsigned idx = (unsigned)(sliders[0].value()*(sweeper.tiles_data.size()-1));
drawTiles(cr);
enlightTile(cr, idx);
Toy::draw(cr, notify, width, height, save, timer_stream);
}
public:
SweeperToy(int paths, int curves_in_path, int degree) :
nb_paths(paths), nb_curves_per_path(curves_in_path), degree(degree) {
for (int i = 0; i < nb_paths; i++){
paths_handles.emplace_back();
}
for(int i = 0; i < nb_paths; i++){
for(int j = 0; j < (nb_curves_per_path*degree)+1; j++){
paths_handles[i].push_back(uniform()*400, 100+ uniform()*300);
}
handles.push_back(&paths_handles[i]);
}
sliders.emplace_back(0.0, 1, 0, 0.0, "intersection chooser");
sliders.emplace_back(0.0, 1, 0, 0.0, "ray chooser");
sliders.emplace_back(0.0, 1, 0, 0.0, "area chooser");
sliders.emplace_back(-5.0, 2, 0, 0.0, "tolerance chooser");
handles.push_back(&(sliders[0]));
handles.push_back(&(sliders[1]));
handles.push_back(&(sliders[2]));
handles.push_back(&(sliders[3]));
sliders[0].geometry(Point(50, 20), 250);
sliders[1].geometry(Point(50, 50), 250);
sliders[2].geometry(Point(50, 80), 250);
sliders[3].geometry(Point(50, 110), 250);
sliders[3].formatter(&exp_formatter);
}
void first_time(int /*argc*/, char** /*argv*/) override {
}
};
int main(int argc, char **argv) {
unsigned paths=10;
unsigned curves_in_path=3;
unsigned degree=1;
if(argc > 3)
sscanf(argv[3], "%d", °ree);
if(argc > 2)
sscanf(argv[2], "%d", &curves_in_path);
if(argc > 1)
sscanf(argv[1], "%d", &paths);
init(argc, argv, new SweeperToy(paths, curves_in_path, degree));
return 0;
}
/*
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=4:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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