v4.0.7

Ghostscript dev advised against. It appears that this is for
creating target for a device that colors in a particular format.

RELEASE_NOTES.rst

@@ -6,6 +6,12 @@ Please always read this file before installing the package
 Download software here: https://github.com/jbarlow83/OCRmyPDF/tags
 
 
+v4.0.7:
+=======
+
+-  Minor correction to Ghostscript output settings
+
+
 v4.0.6:
 =======
 

ocrmypdf/ghostscript.py

@@ -53,7 +53,6 @@ def generate_pdfa(pdf_pages, output_file, threads=1):
             "-dJPEGQ=95",
             "-dPDFA=2",
             "-sPDFACompatibilityPolicy=2",
-            "-sOutputICCProfile=" + SRGB_ICC_PROFILE,
             "-sOutputFile=" + gs_pdf.name,
         ]
         args_gs.extend(pdf_pages)

ocrmypdf/leptonica.py

@@ -110,8 +110,8 @@ class Pix:
             return "<leptonica.Pix image NULL>"
 
     def __getstate__(self):
-        data = ffi.new('l_uint32 *[]', 1)
-        size = ffi.new('size_t *', 0)
+        data = ffi.new('l_uint32 **')
+        size = ffi.new('size_t *')
 
         err = lept.pixSerializeToMemory(self.cpix, data, size)
         if err != 0:
@@ -195,16 +195,21 @@ class Pix:
             else:
                 return (None, None)
 
+    @staticmethod
+    @lru_cache(maxsize=1)
+    def make_pixel_sum_tab8():
+        return lept.makePixelSumTab8()
+
     @staticmethod
     def correlation_binary(pix1, pix2):
         if get_leptonica_version() < 'leptonica-1.72':
             # Older versions of Leptonica (pre-1.72) have a buggy
             # implementation of pixCorrelationBinary that overflows on larger
             # images.
-            pix1_count = ffi.new('l_int32 *', 0)
-            pix2_count = ffi.new('l_int32 *', 0)
-            pixn_count = ffi.new('l_int32 *', 0)
-            tab8 = lept.makePixelSumTab8()  # Small memory leak on each call
+            pix1_count = ffi.new('l_int32 *')
+            pix2_count = ffi.new('l_int32 *')
+            pixn_count = ffi.new('l_int32 *')
+            tab8 = Pix.make_pixel_sum_tab8()
 
             lept.pixCountPixels(pix1.cpix, pix1_count, tab8)
             lept.pixCountPixels(pix2.cpix, pix2_count, tab8)