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Code Issues Releases Wiki Activity

precise_width for nicer long lines

This commit is contained in:
Zeno Rogue 2020-01-02 16:51:32 +01:00
parent ddc3666fb4
commit a37457ead9
2 changed files with 26 additions and 3 deletions
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16
config.cpp
View File

@ -296,6 +296,7 @@ EX void initConfig() {
addsaver(vid.usingGL, "usingGL", true);
addsaver(vid.antialias, "antialias", AA_NOGL | AA_FONT | (ISWEB ? AA_MULTI : AA_LINES) | AA_LINEWIDTH | AA_VERSION);
addsaver(vid.linewidth, "linewidth", 1);
addsaver(precise_width, "precisewidth", .5);
addsaver(linepatterns::width, "pattern-linewidth", 1);
addsaver(vid.scale, "scale", 1);
addsaver(vid.xposition, "xposition", 0);
@ -1115,7 +1116,20 @@ EX void showGraphConfig() {
dialog::editNumber(vid.linewidth, 0, 10, 0.1, 1, XLAT("line width"), "");
dialog::extra_options = [] () {
dialog::addBoolItem("finer lines at the boundary", vid.antialias & AA_LINEWIDTH, 'O');
dialog::add_action([] () { vid.antialias ^= AA_LINEWIDTH; });
dialog::add_action([] () {
vid.antialias ^= AA_LINEWIDTH;
});
if(vid.antialias & AA_LINEWIDTH) {
dialog::addSelItem("variable width", fts(precise_width), 'M');
dialog::add_action([] () {
popScreen();
dialog::editNumber(precise_width, 0, 2, 0.1, 0.5,
XLAT("variable width"), XLAT("lines longer than this value will be split into shorter lines, with width computed separately for each of them.")
);
});
}
else dialog::addBreak(100);
dialog::addBoolItem("standard graphics", neon_mode == 0, 'A');
dialog::add_action([] { neon_mode = 0; });

13
graph.cpp
View File

@ -3588,9 +3588,18 @@ bool celldrawer::cell_clipped() {
return false;
}
EX ld precise_width = .5;
EX void gridline(const transmatrix& V1, const hyperpoint h1, const transmatrix& V2, const hyperpoint h2, color_t col, int prec) {
ld d = hdist(h1, h2);
while(d > .5 && d < 100) d /= 2, prec++;
ld d = hdist(V1*h1, V2*h2);
println(hlog, "d = ", d);
while(d > precise_width && d < 100) {
if(!eqmatrix(V1, V2, 1e-6)) { gridline(V1, h1, V1, inverse(V1) * V2 * h2, col, prec); return; }
hyperpoint h = midz(h1, h2);
gridline(V1, h1, V1, h, col, prec);
gridline(V1, h, V1, h2, col, prec);
return;
}
#if MAXMDIM >= 4
if(WDIM == 2 && GDIM == 3) {
ld eps = cgi.human_height/100;