* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <libsigrokdecode/libsigrokdecode.h>
+
#include <assert.h>
#include <limits.h>
#include <math.h>
+#include <set>
+
#include <boost/foreach.hpp>
#include <QEvent>
#include <QMouseEvent>
#include <QScrollBar>
-#include "decodesignal.h"
+#include "decodetrace.h"
#include "header.h"
#include "ruler.h"
#include "signal.h"
void View::zoom(double steps, int offset)
{
- const double cursor_offset = _offset + _scale * offset;
const double new_scale = max(min(_scale * pow(3.0/2.0, -steps),
MaxScale), MinScale);
- const double new_offset = cursor_offset - new_scale * offset;
- set_scale_offset(new_scale, new_offset);
+ set_zoom(new_scale, offset);
+}
+
+void View::zoom_fit()
+{
+ using pv::data::SignalData;
+
+ const vector< shared_ptr<Signal> > sigs(
+ session().get_signals());
+
+ // Make a set of all the visible data objects
+ set< shared_ptr<SignalData> > visible_data;
+ BOOST_FOREACH(const shared_ptr<Signal> sig, sigs)
+ if (sig->enabled())
+ visible_data.insert(sig->data());
+
+ if (visible_data.empty())
+ return;
+
+ double left_time = DBL_MAX, right_time = DBL_MIN;
+ BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data)
+ {
+ const double start_time = d->get_start_time();
+ left_time = min(left_time, start_time);
+ right_time = max(right_time, start_time +
+ d->get_max_sample_count() / d->samplerate());
+ }
+
+ assert(left_time < right_time);
+ if (right_time - left_time < 1e-12)
+ return;
+
+ assert(_viewport);
+ const int w = _viewport->width();
+ if (w <= 0)
+ return;
+
+ set_scale_offset((right_time - left_time) / w, left_time);
+}
+
+void View::zoom_one_to_one()
+{
+ using pv::data::SignalData;
+
+ const vector< shared_ptr<Signal> > sigs(
+ session().get_signals());
+
+ // Make a set of all the visible data objects
+ set< shared_ptr<SignalData> > visible_data;
+ BOOST_FOREACH(const shared_ptr<Signal> sig, sigs)
+ if (sig->enabled())
+ visible_data.insert(sig->data());
+
+ if (visible_data.empty())
+ return;
+
+ double samplerate = 0.0;
+ BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data) {
+ assert(d);
+ samplerate = max(samplerate, d->samplerate());
+ }
+
+ if (samplerate == 0.0)
+ return;
+
+ assert(_viewport);
+ const int w = _viewport->width();
+ if (w <= 0)
+ return;
+
+ set_zoom(1.0 / samplerate, w / 2);
}
void View::set_scale_offset(double scale, double offset)
{
const vector< shared_ptr<Signal> > sigs(
session().get_signals());
- const vector< shared_ptr<DecodeSignal> > decode_sigs(
+ const vector< shared_ptr<DecodeTrace> > decode_sigs(
session().get_decode_signals());
vector< shared_ptr<Trace> > traces(
sigs.size() + decode_sigs.size());
i = copy(sigs.begin(), sigs.end(), i);
i = copy(decode_sigs.begin(), decode_sigs.end(), i);
- sort(traces.begin(), traces.end(), compare_trace_v_offsets);
+ stable_sort(traces.begin(), traces.end(), compare_trace_v_offsets);
return traces;
}
if (!sig_data)
return;
- length = _data_length / (sig_data->get_samplerate() * _scale);
+ length = _data_length / (sig_data->samplerate() * _scale);
offset = _offset / _scale;
}
+void View::set_zoom(double scale, int offset)
+{
+ const double cursor_offset = _offset + _scale * offset;
+ const double new_scale = max(min(scale, MaxScale), MinScale);
+ const double new_offset = cursor_offset - new_scale * offset;
+ set_scale_offset(new_scale, new_offset);
+}
+
void View::update_scroll()
{
assert(_viewport);
const vector< shared_ptr<Trace> > traces(get_traces());
BOOST_FOREACH(shared_ptr<Trace> t, traces) {
t->set_view(this);
- t->init_context_bar_actions(NULL);
t->set_v_offset(offset);
offset += SignalHeight + 2 * SignalMargin;
}