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[apps/shared][python/port] CurveView::drawArrow uses pixel computation

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instead of float computation to avoid precision errors, by default the
arrow size is decided in pixels.
This commit is contained in:
Émilie Feral
2020-06-03 12:17:08 +02:00
parent a9fbcf99b2
commit 420dd04766
5 changed files with 63 additions and 22 deletions
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4
python/port/mod/matplotlib/pyplot/modpyplot.cpp
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@@ -106,7 +106,9 @@ mp_obj_t modpyplot_arrow(size_t n_args, const mp_obj_t *args, mp_map_t* kw_args)
mp_map_elem_t * elem;
// Setting arrow width
elem = mp_map_lookup(kw_args, MP_OBJ_NEW_QSTR(MP_QSTR_head_width), MP_MAP_LOOKUP);
mp_obj_t arrowWidth = (elem == nullptr) ? mp_obj_new_float(0.003) : elem->value;
/* Default head_width is 0.0f because we want a default width in pixel
* coordinates which is handled by CurveView::drawArrow. */
mp_obj_t arrowWidth = (elem == nullptr) ? mp_obj_new_float(0.0f) : elem->value;
// Setting arrow color
KDColor color;