From 42be422b5252d526a74d15316abc9ccc24f8868c Mon Sep 17 00:00:00 2001
From: Marcin Deranek <marcin.deranek@booking.com>
Date: Sat, 29 Jan 2022 16:16:09 +0100
Subject: iscan-# became imagescan

---
 .../files/imagescan-3.62.0-tests-tesseract.patch   | 111 +++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 imagescan/files/imagescan-3.62.0-tests-tesseract.patch

(limited to 'imagescan/files/imagescan-3.62.0-tests-tesseract.patch')

diff --git a/imagescan/files/imagescan-3.62.0-tests-tesseract.patch b/imagescan/files/imagescan-3.62.0-tests-tesseract.patch
new file mode 100644
index 0000000..52f7b18
--- /dev/null
+++ b/imagescan/files/imagescan-3.62.0-tests-tesseract.patch
@@ -0,0 +1,111 @@
+commit 9ce60e8df3b613950c483f0ae5ec772afc329104
+Author: Olaf Meeuwissen <paddy-hack@member.fsf.org>
+Date:   Fri Jun 21 22:20:30 2019 +0900
+
+    Fix tesseract command-line invocation.  Re #78
+
+diff --git a/filters/get-text-orientation b/filters/get-text-orientation
+index 847f2c6..6f0978c 100755
+--- a/filters/get-text-orientation
++++ b/filters/get-text-orientation
+@@ -47,26 +47,14 @@ if test $? != 0; then
+     exit 1
+ fi
+ 
+-tmpfile=$(mktemp -q .reorient.XXX)
+-trap "rm -f $tmpfile" 0 1 2 15
+-
+ case "$engine" in
+     */tesseract|tesseract)
+ 
+-        #  Notwithstanding what the manual page says, tesseract
+-        #  doesn't support reading from standard input with the
+-        #  `-psm 0` option.  We stuff incoming image data into a
+-        #  temporary file to work around this limitation.
+-        #  See https://github.com/tesseract-ocr/tesseract/issues/85
+-
+-        cat - > $tmpfile
++        #  Tesseract 3.03 outputs the results we want to standard
++        #  error; Tesseract 3.04 dumps it on standard output.  We
++        #  want it on the latter.
+ 
+-        #  We don't care about the "regular" tesseract output so
+-        #  divert that to /dev/null.  The output that we do care
+-        #  about ends up on standard error, but our caller looks
+-        #  for it on standard output.  Redirect to handle that.
+-
+-        $engine $tmpfile /dev/null -psm 0 -l osd 2>&1
++        $engine - - -psm 0 -l osd 2>&1
+         ;;
+ 
+     */ocr-engine-getrotate)
+@@ -74,6 +62,9 @@ case "$engine" in
+         #  The ocr-engine-getrotate utility expects an uncompressed
+         #  BMP image.
+ 
++        tmpfile=$(mktemp -q .reorient.XXX)
++        trap "rm -f $tmpfile" 0 1 2 15
++
+         $convert - -compress None bmp3:$tmpfile
+         $engine $tmpfile
+         ;;
+
+commit 56f1d8ed51cc7140b961ef8ab8c7501f69d87fd5
+Author: Olaf Meeuwissen <paddy-hack@member.fsf.org>
+Date:   Mon Oct 21 12:41:20 2019 +0900
+
+    Fix get-text-orientation for newer Tesseract versions.  Fixes #86
+
+diff --git a/filters/get-text-orientation b/filters/get-text-orientation
+index 6f0978c..eb64e4b 100755
+--- a/filters/get-text-orientation
++++ b/filters/get-text-orientation
+@@ -51,10 +51,21 @@ case "$engine" in
+     */tesseract|tesseract)
+ 
+         #  Tesseract 3.03 outputs the results we want to standard
+-        #  error; Tesseract 3.04 dumps it on standard output.  We
+-        #  want it on the latter.
++        #  error; Tesseract 3.04 dumps it on standard output.  So
++        #  do later versions.  We want it on the latter.
++        #  Command-line options changed in 3.05.00.
+ 
+-        $engine - - -psm 0 -l osd 2>&1
++        version=$($engine --version 2>&1 | sed -n 's/.*tesseract *//p')
++
++        case "$version" in
++            3.0[34].* )
++                $engine - - -psm 0 -l osd 2>&1
++                ;;
++
++            3.05.* | [45].* )
++                $engine - - --psm 0 -l osd 2>&1
++                ;;
++        esac
+         ;;
+ 
+     */ocr-engine-getrotate)
+commit 9d5edc4c52e5a6b59d61a43ddcc13353b82992f5
+Author: Olaf Meeuwissen <paddy-hack@member.fsf.org>
+Date:   Sun Jun 23 17:22:22 2019 +0900
+
+    Fix reorientation logic for newer Tesseract versions.  Re #78
+
+diff --git a/filters/reorient.cpp b/filters/reorient.cpp
+index e0c1dc1..60c5173 100644
+--- a/filters/reorient.cpp
++++ b/filters/reorient.cpp
+@@ -483,6 +483,13 @@ reorient::finalize (const context& ctx)
+         log::alert
+           (format ("unexpected document orientation: %1% degrees")
+            % degrees);
++
++      if (engine_ == "tesseract"
++          && !tesseract_version_before_("3.04")) {
++        // Orientation reporting changed direct with 3.04.  See #78
++        /**/ if ( 90 == degrees) rv.orientation (context::left_bottom);
++        else if (270 == degrees) rv.orientation (context::right_top);
++      }
+     }
+   return rv;
+ }
-- 
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