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Use isa to determine if a given image is a Plots::Plot, WWPlot, or LaTeXImage. #1450

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Use isa to determine if a given image is a Plots::Plot, WWPlot, or LaTeXImage. #1450

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6 changes: 4 additions & 2 deletions macros/core/PGbasicmacros.pl
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Original file line number Diff line number Diff line change
Expand Up @@ -2923,7 +2923,7 @@ sub image {
);
next;
}
if (ref $image_item eq 'Plots::Plot' || ref $image_item eq 'Plots::StatPlot') {
if (eval { $image_item->isa('Plots::Plot') }) {
# Update image attributes as needed.
$image_item->{width} = $width if $out_options{width};
$image_item->{height} = $height if $out_options{height};
Expand All @@ -2942,7 +2942,9 @@ sub image {
$width_ratio = 0.001 * $image_item->{tex_size};
}
$image_item = insertGraph($image_item)
if (grep { ref $image_item eq $_ } ('WWPlot', 'Plots::Plot', 'Plots::StatPlot', 'PGlateximage', 'PGtikz'));
if grep {
eval { $image_item->isa($_) }
} ('WWPlot', 'Plots::Plot', 'LaTeXImage');
my $imageURL = alias($image_item) // '';
$imageURL = ($envir{use_site_prefix}) ? $envir{use_site_prefix} . $imageURL : $imageURL;
my $id = $main::PG->getUniqueName('img');
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