Update test resources to address files with unknown source

-Remove Test_Issue_28.pdf (inherited from fritz-hh, source unknown) -Replace missing_docinfo.pdf (received from user, but it's a printout of a website; unclear status, so created a new PDF with the same effect) -Others are okay
2016-02-16 00:28:28 -08:00
parent ab13342931
commit 1224af1780
4 changed files with 62 additions and 36083 deletions
@@ -1,34 +0,0 @@
-All test resources must come from free public domain sources for
-copyright reasons.
-
-Test files do not necessarily produce perfect (or even good) OCR
-results.
-
-+---------------------+--------------------------------------------------------------------------------+
-| File                | Source                                                                         |
-+=====================+================================================================================+
-| graph.pdf           | Wikimedia                                                                      |
-+---------------------+--------------------------------------------------------------------------------+
-| c02-22.pdf          | Project Gutenberg: https://www.gutenberg.org/files/76/76-h/images/c02-22.jpg   |
-+---------------------+--------------------------------------------------------------------------------+
-| LinnSequencer.jpg   | Wikimedia_                                                                     |
-+---------------------+--------------------------------------------------------------------------------+
-| congress.jpg        | http://www.baxleystamps.com/litho/meiji/courts_1871.jpg                        |
-+---------------------+--------------------------------------------------------------------------------+
-| blank.pdf           | Blank page from Adobe Illustrator CC 2015                                      |
-+---------------------+--------------------------------------------------------------------------------+
-| enormous.pdf        | PNG file saved to PDF using img2pdf                                            |
-+---------------------+--------------------------------------------------------------------------------+
-| invalid.pdf         | PDF file header followed by EOF marker; not valid                              |
-+---------------------+--------------------------------------------------------------------------------+
-| multipage.pdf       | several other files concatenated                                               |
-+---------------------+--------------------------------------------------------------------------------+
-| skew.pdf            | skewed version of c02-22.PDF                                                   |
-+---------------------+--------------------------------------------------------------------------------+
-| Test_Issue_28.pdf   | file with some syntax errors                                                   |
-+---------------------+--------------------------------------------------------------------------------+
-| missing_docinfo.pdf | file missing its DocumentInfo dictionary                                       |
-+---------------------+--------------------------------------------------------------------------------+ 
-
-
-.. _Wikimedia: https://upload.wikimedia.org/wikipedia/en/b/b7/LinnSequencer_hardware_MIDI_sequencer_brochure_page_2_300dpi.jpg
@@ -0,0 +1,62 @@
+These test files are used in OCRmyPDF's test suite. They do not necessarily produce OCR results
+at all and are not meant as examples of OCR output. Some are even invalid PDFs that might
+crash certain PDF viewers.
+
+
+Files derived from free sources
+===============================
+
+These test resources come from free sources, under either public domain or Creative Commons licenses.
+In some cases they were converted from one image format to another without other changes.
+
+---------------------+--------------------------------------------------------------------------------+
+| File                | Source                                                                         |
+=====================+================================================================================+
+| cardinal.pdf        | Rotated copies of LinnSequencer.jpg                                            |
+---------------------+--------------------------------------------------------------------------------+
+| c02-22.pdf          | `Project Gutenberg`_, Adventures of Huckleberry Finn, page 22                  |
+---------------------+--------------------------------------------------------------------------------+
+| congress.jpg        | `US Congressional Records`_                                                    |
+---------------------+--------------------------------------------------------------------------------+
+| graph.pdf           | `Wikimedia: Pandas text analysis.png`_                                         |
+---------------------+--------------------------------------------------------------------------------+
+| LinnSequencer.jpg   | `Wikimedia: LinnSequencer`_ (Creative Commons Attribution-ShareAlike 3.0)      |
+---------------------+--------------------------------------------------------------------------------+
+
+
+Files generated for this project
+================================
+
+The following test resources were crafted specifically for this project, and can be used
+under the terms of the license in LICENSE.rst.
+
+- blank.pdf (a blank PDF page)
+- cmyk.pdf (a CMYK image created in Photoshop)
+- enormous.pdf (a very lage page)
+- francais.pdf (a page containing French accented characters)
+- invalid.pdf (a PDF file header followed by EOF marker)
+- missing_docinfo.pdf (PDF file with no /DocumentInfo section)
+
+
+Assemblies
+==========
+
+These test resources are assemblies from other previously mentioned files, released under the same license terms as their input files.
+
+- cardinal.pdf (four cardinal directions, rotated copies of LinnSequencer.jpg)
+- ccitt.pdf (LinnSequencer.jpg, converted to CCITT encoding)
+- graph_ocred.pdf (from graph.pdf)
+- jbig2.pdf (congress.jpg, converted to JBIG2 encoding)
+- multipage.pdf (from several other files)
+- palette.pdf (congress.jpg, converted to a 256-color palette)
+- skew.pdf (from c02-22.pdf)
+- skew-encrypted.pdf (skew.pdf with encrypted applied)
+
+
+.. _Wikimedia: https://upload.wikimedia.org/wikipedia/en/b/b7/LinnSequencer_hardware_MIDI_sequencer_brochure_page_2_300dpi.jpg
+
+.. _`Project Gutenberg`: https://www.gutenberg.org/files/76/76-h/76-h.htm#c2
+
+.. _`US Congressional Records`: http://www.baxleystamps.com/litho/meiji/courts_1871.jpg
+
+.. _`Wikimedia: Pandas text analysis.png`: https://en.wikipedia.org/wiki/File:Pandas_text_analysis.png