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authorStanislaw Halik <sthalik@misaki.pl>2017-01-29 11:10:18 +0100
committerStanislaw Halik <sthalik@misaki.pl>2017-01-29 11:10:18 +0100
commitf53cc15b1209140519371940f97c696d6166b7b8 (patch)
tree1997823e8ead4a53fce0be51c59078cac6aa0aa1 /spline-widget/spline.cpp
parentd3e516636cc3e6397139dc961608f73408fa12fe (diff)
spline-widget/spline: all logic must take zoom into effect
Diffstat (limited to 'spline-widget/spline.cpp')
-rw-r--r--spline-widget/spline.cpp71
1 files changed, 34 insertions, 37 deletions
diff --git a/spline-widget/spline.cpp b/spline-widget/spline.cpp
index 8d8fe0e5..70fe0c31 100644
--- a/spline-widget/spline.cpp
+++ b/spline-widget/spline.cpp
@@ -149,38 +149,30 @@ void spline::add_lone_point()
QPointF spline::ensure_in_bounds(const QList<QPointF>& points, double max_x, int i)
{
- const int sz = points.size();
+ const int sz = element_count(points, max_x);
- if (!(max_x > 0))
- {
- if (i < 0 || sz == 0)
- return QPointF(0, 0);
+ if (i < 0 || sz == 0)
+ return QPointF(0, 0);
- if (i < sz)
- return points[i];
+ if (i < sz)
+ return points[i];
- return points[sz - 1];
- }
+ return points[sz - 1];
+}
+
+int spline::element_count(const QList<QPointF>& points, double max_x)
+{
+ if (!(max_x > 0))
+ return points.size();
else
{
- do
+ const unsigned sz = points.size();
+ for (unsigned i = 0; i < sz; i++)
{
- QPointF ret;
-
- if (i < 0 || sz == 0)
- return QPointF(0, 0);
-
- if (i < sz)
- ret = points[i];
- else
- ret = points[sz - 1];
-
- if (!(ret.x() > max_x))
- return ret;
- else
- i--;
+ if (points[i].x() > max_x)
+ return i;
}
- while (1);
+ return points.size();
}
}
@@ -193,10 +185,12 @@ void spline::update_interp_data()
{
points_t points = s->points;
- if (points.size() == 0)
+ int sz = element_count(points, max_x);
+
+ if (sz == 0)
points.append(QPointF(max_x, max_y));
- std::stable_sort(points.begin(), points.end(), sort_fn);
+ std::stable_sort(points.begin(), points.begin() + sz, sort_fn);
const double mult = precision(points);
const double mult_ = mult * 30;
@@ -204,7 +198,7 @@ void spline::update_interp_data()
for (unsigned i = 0; i < value_count; i++)
data[i] = -1;
- if (points.size() == 1)
+ if (sz < 2)
{
const double x = points[0].x();
const double y = points[0].y();
@@ -220,7 +214,7 @@ void spline::update_interp_data()
if (points[0].x() > 1e-2)
points.push_front(QPointF(0, 0));
- for (int i = 0; i < points.size(); i++)
+ for (int i = 0; i < sz; i++)
{
const QPointF p0 = ensure_in_bounds(points, max_x, i - 1);
const QPointF p1 = ensure_in_bounds(points, max_x, i + 0);
@@ -277,8 +271,9 @@ void spline::remove_point(int i)
QMutexLocker foo(&_mutex);
points_t points = s->points;
+ const int sz = element_count(points, max_x);
- if (i >= 0 && i < points.size())
+ if (i >= 0 && i < sz)
{
points.erase(points.begin() + i);
s->points = points;
@@ -308,7 +303,9 @@ void spline::move_point(int idx, QPointF pt)
points_t points = s->points;
- if (idx >= 0 && idx < points.size())
+ const int sz = element_count(points, max_x);
+
+ if (idx >= 0 && idx < sz)
{
points[idx] = pt;
// we don't allow points to be reordered, but sort due to possible caller logic error
@@ -327,7 +324,7 @@ QList<QPointF> spline::get_points() const
int spline::get_point_count() const
{
QMutexLocker foo(&_mutex);
- return s->points().size();
+ return element_count(s->points, max_x);;
}
void spline::reload()
@@ -387,16 +384,15 @@ void spline::recompute()
QMutexLocker foo(&_mutex);
QList<QPointF> list = s->points;
- const int sz = list.size();
// storing to s->points fires bundle::changed and that leads to an infinite loop
// only store if we can't help it
std::stable_sort(list.begin(), list.end(), sort_fn);
if (list != s->points)
- {
s->points = list;
- }
+
+ const int sz = element_count(list, max_x);
QList<QPointF> ret_list;
ret_list.reserve(sz);
@@ -445,8 +441,9 @@ mem<const spline::settings> spline::get_settings() const
double spline::precision(const QList<QPointF>& points) const
{
// this adjusts the memoized range to the largest X value. empty space doesn't take value_count discrete points.
- if (points.size())
- return clamp(value_count / clamp(points[points.size() - 1].x(), 1., max_x), 0., double(value_count));
+ const int sz = element_count(points, max_x);
+ if (sz)
+ return clamp(value_count / clamp(points[sz - 1].x(), 1., max_x), 0., double(value_count));
return value_count / clamp(max_x, 1., double(value_count));
}