Medical GUI - Remake body outline textures (#9503)

Co-authored-by: jonpas <jonpas33@gmail.com>

extras/scripts/medical_dummy_outline.bat

@@ -0,0 +1,31 @@
+@echo off
+setlocal enabledelayedexpansion
+
+@REM Loop over all arguments
+for %%x in (%*) do (
+    SET final_img=%%~nx_s%%~xx
+    SET scratch=%%~nx_scratch%%~xx
+
+    copy /Y "%%~x" "!final_img!"
+    copy /Y "%%~x" "!scratch!"
+
+@REM Scale up now and scale back down at the end to smooth everything out
+@REM Dilate a little to get the edge offset
+    magick mogrify -filter spline -resize 200%% ^
+        -morphology Dilate Octagon:3 ^
+        !scratch!
+@REM Dilate a lot to get the edge thickness
+    magick mogrify -filter spline -resize 200%% ^
+        -morphology Dilate Octagon:8 ^
+        !final_img!
+
+@REM Subtract to get just the edge
+    magick composite !scratch! !final_img! -compose difference !final_img!
+
+@REM Original picture has alpha values up to 77. Now scale it up to full 255
+    magick mogrify -channel A -level 1%%,30%% +channel ^
+        -filter Lagrange -resize 50%% ^
+        !final_img!
+
+    del !scratch!
+)