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limit excessive grow of digital wave labels when zooming in vertically

This commit is contained in:
stefan schippers 2026-05-03 11:00:17 +02:00
parent 3f789fc749
commit 8341c7beb3
1 changed files with 5 additions and 2 deletions
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7
src/draw.c
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@ -3354,10 +3354,12 @@ void setup_graph_data(int i, int skip, Graph_ctx *gr)
* tmp = gr->w * 0.00044; * tmp = gr->w * 0.00044;
* if(tmp < gr->txtsizelab) gr->txtsizelab = tmp; * if(tmp < gr->txtsizelab) gr->txtsizelab = tmp;
*/ */
tmp = gr->posh;
if(tmp < gr->gh * 1.4) tmp = gr->gh * 1.4; /* limit value so wave labels don't grow too much in size */
if(xctx->graph_flags & 2) if(xctx->graph_flags & 2)
gr->digtxtsizelab = 0.000900 * fabs( gr->h / gr->posh * gr->gh ); gr->digtxtsizelab = 0.000900 * fabs( gr->h / tmp * gr->gh );
else else
gr->digtxtsizelab = 0.001200 * fabs( gr->h / gr->posh * gr->gh ); gr->digtxtsizelab = 0.001200 * fabs( gr->h / tmp * gr->gh );
gr->txtsizelab *= gr->maglegend; gr->txtsizelab *= gr->maglegend;
/* x axis, y axis text sizes */ /* x axis, y axis text sizes */
@ -3622,6 +3624,7 @@ static void draw_graph_variables(int wcnt, int wave_color, int n_nodes, int swee
my_snprintf(tmpstr, S(tmpstr), "%s", str_replace(tmpstr, "\\ ", " ", 0, -1)); my_snprintf(tmpstr, S(tmpstr), "%s", str_replace(tmpstr, "\\ ", " ", 0, -1));
draw_string(wave_color, NOW, tmpstr, 2, 0, 0, 0, draw_string(wave_color, NOW, tmpstr, 2, 0, 0, 0,
xt, DW_Y(yt), gr->digtxtsizelab * gr->magy, gr->digtxtsizelab * gr->magy); xt, DW_Y(yt), gr->digtxtsizelab * gr->magy, gr->digtxtsizelab * gr->magy);
dbg(1, "draw_graph_variables(): h=%g, posh=%g, gh=%g\n", gr->h, gr->posh, gr->gh);
#if HAS_CAIRO == 1 #if HAS_CAIRO == 1
if(gr->hilight_wave == wcnt) { if(gr->hilight_wave == wcnt) {
xctx->cairo_font = xctx->cairo_font =