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profile: C++-ify plot_info

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Use more C++ style memory management for plot_info: Use std::vector
for array data. Return the plot_info instead of filling an output
parameter. Add a constructor/destructor pair so that the caller
isn't bothered with memory management.

The bulk of the commit is replacement of pointers with references,
which is kind of gratuitous. But I started and then went on...

Default initializiation of gas_pressures made it necessary to convert
gas.c to c++, though with minimal changes to the code.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-05-03 18:51:03 +02:00 • committed by bstoeger
parent aaab5157d4
commit 48f7828d10
14 changed files with 635 additions and 670 deletions
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5
profile-widget/diveeventitem.cpp
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@ -3,6 +3,7 @@
#include "profile-widget/divecartesianaxis.h"
#include "profile-widget/divepixmapcache.h"
#include "profile-widget/animationfunctions.h"
#include "core/dive.h"
#include "core/event.h"
#include "core/eventtype.h"
#include "core/format.h"
@ -177,9 +178,9 @@ void DiveEventItem::eventVisibilityChanged(const QString&, bool)
static int depthAtTime(const plot_info &pi, duration_t time)
{
// Do a binary search for the timestamp
auto it = std::lower_bound(pi.entry, pi.entry + pi.nr, time,
auto it = std::lower_bound(pi.entry.begin(), pi.entry.end(), time,
[](const plot_data &d1, duration_t t) { return d1.sec < t.seconds; });
if (it == pi.entry + pi.nr || it->sec != time.seconds) {
if (it == pi.entry.end() || it->sec != time.seconds) {
qWarning("can't find a spot in the dataModel");
return DEPTH_NOT_FOUND;
}