From c15084e50c7943a3d781903d7aae5480121ebefa Mon Sep 17 00:00:00 2001
From: Jakob Haufe <sur5r@sur5r.net>
Date: Thu, 17 May 2018 18:51:29 +0000
Subject: [PATCH] Improve preview overlay usability

Add small rectangles at the corners of the preview overlay. This makes it
easier to place the edges of the cropping area on black borders or lines.
---
 pdfstitch | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pdfstitch b/pdfstitch
index 2fec227..a754d0a 100755
--- a/pdfstitch
+++ b/pdfstitch
@@ -160,6 +160,10 @@ else
                 my $previewcontent = $previewpage->gfx();
                 $previewcontent->egstate($transparency);
                 $previewcontent->rect($llx, $lly, $urx, $ury);
+                $previewcontent->rect($llx - 20, $lly + $ury, 20, 20); # upper left
+                $previewcontent->rect($llx + $urx, $lly + $ury, 20, 20); # upper right
+                $previewcontent->rect($llx - 20, $lly - 20, 20, 20); # lower left
+                $previewcontent->rect($llx + $urx, $lly - 20, 20, 20); # lower right
                 $previewcontent->fillcolor('%F000');
                 $previewcontent->fill();
             }
-- 
2.39.5