gbranden pushed a commit to branch master
in repository groff.
commit 0ce521b5fce66f8065f1b7d0dc721fd44d8ae40b
Author: Deri James <[email protected]>
AuthorDate: Wed Nov 16 22:02:49 2022 +0000
[gropdf]: Fix Savannah #63380.
* src/devices/gropdf/gropdf.pl: Fix incorrect hotspot placement if page
is in landscape orientation.
(FixRect): Perform coordinate transform if page is rotated.
(Rotate): New function performs relevant trigonometry.
Fixes <https://savannah.gnu.org/bugs/?63380>. Thanks to Blake McBride
for the report.
---
ChangeLog | 10 ++++++++++
src/devices/gropdf/gropdf.pl | 16 ++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 26c0fd0c4..3c0723d17 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2022-11-16 Deri James <[email protected]>
+
+ * src/devices/gropdf/gropdf.pl: Fix incorrect hotspot placement
+ if page is in landscape orientation.
+ (FixRect): Perform coordinate transform if page is rotated.
+ (Rotate): New function performs relevant trigonometry.
+
+ Fixes <https://savannah.gnu.org/bugs/?63380>. Thanks to Blake
+ McBride for the report.
+
2022-11-16 G. Branden Robinson <[email protected]>
* tmac/e.tmac: Integrate better with papersize.tmac by no longer
diff --git a/src/devices/gropdf/gropdf.pl b/src/devices/gropdf/gropdf.pl
index 07c65b8ea..739dad4e4 100644
--- a/src/devices/gropdf/gropdf.pl
+++ b/src/devices/gropdf/gropdf.pl
@@ -1491,6 +1491,22 @@ sub FixRect
return if !defined($rect);
$rect->[1]=GraphY($rect->[1]);
$rect->[3]=GraphY($rect->[3]);
+
+ if ($rot)
+ {
+ ($rect->[0],$rect->[1])=Rotate($rect->[0],$rect->[1]);
+ ($rect->[2],$rect->[3])=Rotate($rect->[2],$rect->[3]);
+ }
+}
+
+sub Rotate
+{
+ my ($tx,$ty)=(@_);
+ my $theta=rad($rot);
+
+ ($tx,$ty)=(d3($tx * cos(-$theta) - $ty * sin(-$theta)),
+ d3($tx * sin( $theta) + $ty * cos( $theta)));
+ return($tx,$ty);
}
sub GetPoints
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