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dot: use circles if state names are all short

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* spot/twaalgos/dot.cc: Check for state names sizes.
* tests/core/readsave.test: Test the change.
* tests/core/tgbagraph.test: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2016-01-29 10:53:38 +01:00
parent b11c07b351
commit eb0a0b6b34
3 changed files with 34 additions and 2 deletions
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14
spot/twaalgos/dot.cc
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@ -33,6 +33,7 @@
#include <spot/twaalgos/sccinfo.hh>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <ctype.h>
@ -541,9 +542,18 @@ namespace spot
if (opt_shape_ == ShapeAuto)
{
if (sn_ || sprod_ || aut->num_states() > 100)
opt_shape_ = ShapeEllipse;
{
opt_shape_ = ShapeEllipse;
// If all state names are short, prefer circles.
if (sn_ && std::all_of(sn_->begin(), sn_->end(),
[](const std::string& s)
{ return s.size() <= 2; }))
opt_shape_ = ShapeCircle;
}
else
opt_shape_ = ShapeCircle;
{
opt_shape_ = ShapeCircle;
}
}
auto si =
std::unique_ptr<scc_info>(opt_scc_ ? new scc_info(aut) : nullptr);