From 45b72510739affbdcc6281456521ecc6a22f7d9f Mon Sep 17 00:00:00 2001
From: Alexander Brock <Brock.Alexander@web.de>
Date: Sat, 4 Mar 2023 20:59:34 +0100
Subject: [PATCH] Copy perspective.method from profile to "neutral" profile so
 perspective auto-correction works with de-fished images

---
 rtengine/perspectivecorrection.cc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/rtengine/perspectivecorrection.cc b/rtengine/perspectivecorrection.cc
index 67c645a9d..54fcc1c3f 100644
--- a/rtengine/perspectivecorrection.cc
+++ b/rtengine/perspectivecorrection.cc
@@ -308,14 +308,15 @@ PerspectiveCorrection::Params PerspectiveCorrection::autocompute(ImageSource *sr
         neutral.perspective.camera_focal_length = pparams->perspective.camera_focal_length;
         neutral.perspective.camera_crop_factor = pparams->perspective.camera_crop_factor;
         neutral.perspective.camera_scale = pparams->perspective.camera_scale;
+        neutral.perspective.method = pparams->perspective.method;
         neutral.lensProf = pparams->lensProf;
-        ImProcFunctions ipf(&neutral, true);
-        //if (ipf.needsTransform(w, h, src->getRotateDegree(), src->getMetaData())) {
+        ImProcFunctions ipf(&neutral, true);        
+        if (ipf.needsTransform(w, h, src->getRotateDegree(), src->getMetaData())) {
             Imagefloat *tmp = new Imagefloat(w, h);
             ipf.transform(img.get(), tmp, 0, 0, 0, 0, w, h, w, h,
                     src->getMetaData(), src->getRotateDegree(), false);
             img.reset(tmp);
-        //}
+        }
 
         // allocate the gui buffer
         g.buf = static_cast<float *>(malloc(sizeof(float) * w * h * 4));