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plot: implement minchannel with ncplane_stain() #136

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nick black 2020-04-03 08:18:36 -04:00 committed by Nick Black
parent 8f65958a53
commit 1c75ac5bd3
2 changed files with 9 additions and 1 deletions
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1
src/input/keyplot.cpp
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@ -13,6 +13,7 @@ int main(void){
if(setlocale(LC_ALL, "") == nullptr){
return EXIT_FAILURE;
}
srand(time(NULL));
ncpp::NotCurses nc;
if(!nc.mouse_enable()){
return EXIT_FAILURE;

9
src/lib/plot.c
View File

@ -133,6 +133,7 @@ static int
redraw_plot(ncplot* n){
ncplane_erase(ncplot_plane(n)); // FIXME shouldn't need this
const int dimy = ncplane_dim_y(ncplot_plane(n));
const int dimx = ncplane_dim_x(ncplot_plane(n));
// each transition is worth this much change in value
const size_t states = wcslen(geomdata[n->gridtype].egcs);
double interval = (n->maxy - n->miny + 1) / ((double)dimy * states);
@ -145,7 +146,6 @@ redraw_plot(ncplot* n){
if(gval > n->maxy){
gval = n->maxy;
}
ncplane_set_fg(ncplot_plane(n), channels_fg(n->maxchannel)); // FIXME lerp!
// starting from the least-significant row, progress in the more significant
// direction, drawing egcs from the grid specification, aborting early if
// we can't draw anything in a given cell.
@ -171,6 +171,13 @@ redraw_plot(ncplot* n){
}
idx = (idx + 1) % n->slotcount;
}
if(ncplane_cursor_move_yx(ncplot_plane(n), 0, 0)){
return -1;
}
if(ncplane_stain(ncplot_plane(n), dimy - 1, dimx - 1, n->maxchannel,
n->maxchannel, n->minchannel, n->minchannel) <= 0){
return -1;
}
return 0;
}