From 72b3c6d9244cc7a36bdc6b53798e2d925d59d7b3 Mon Sep 17 00:00:00 2001
From: Johannes 'josch' Schauer <josch@mister-muffin.de>
Date: Sun, 24 May 2020 01:13:41 +0200
Subject: [PATCH] remove pdfrw https://bugs.debian.org/958362

---
 README.md    |  2 +-
 appveyor.yml |  2 +-
 test.py      | 41 +++++++++++++++++++++++++++++++++--------
 3 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index 4e7c768..0e1020d 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ While basic functionality is implemented, lots of work remains to be done:
  - changing units
  - changing language
  - make PyMuPDF dependency optional
- - optionally, use pdfrw and/or pypdf2 to read/write PDF
+ - optionally, use pypdf2 to read/write PDF
  - improve command line interface
  - improve module interface
 
diff --git a/appveyor.yml b/appveyor.yml
index 29243f6..5d52091 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -16,7 +16,7 @@ environment:
     - PYTHON: "C:\\Python37-x64"
 
 install:
-  - "%PYTHON%\\python.exe -m pip install wheel PyMuPDF pytest pdfrw pyinstaller"
+  - "%PYTHON%\\python.exe -m pip install wheel PyMuPDF pytest pyinstaller"
 
 build: off
 
diff --git a/test.py b/test.py
index 0fbe1c5..a2b2fb6 100644
--- a/test.py
+++ b/test.py
@@ -4,7 +4,7 @@ import tempfile
 import fitz
 import fitz.utils
 import os
-import pdfrw
+import math
 
 
 def mm_to_pt(length):
@@ -180,12 +180,37 @@ def test_cases(postersize, input_pagesize, output_pagesize, strategy, expected):
     )
     os.unlink(infile)
 
-    reader = pdfrw.PdfReader(outfile)
+    doc = fitz.open(outfile)
     os.unlink(outfile)
 
-    pages = reader.Root.Pages.Kids
-    assert len(pages) == len(expected)
-
-    for page, (bbox, matrix) in zip(pages, expected):
-        assert page.Resources.XObject.fzFrm0.BBox == bbox
-        assert page.Resources.XObject.fzFrm0.Matrix == matrix
+    for pnum, (bbox, matrix) in zip(range(doc.pageCount), expected):
+        xreflist = doc._getPageInfo(pnum, 3)
+        assert len(xreflist) >= 1
+        xref, name, _, _ = xreflist[0]
+        assert name == "fzFrm0"
+        # doc.xrefObject() will return something like:
+        #      <<
+        #        /Type /XObject
+        #        /Subtype /Form
+        #        /BBox [ 185.47917 262.17189 445.79167 595 ]
+        #        /Matrix [ 2.286773 0 0 2.286773 -424.1487 -599.5276 ]
+        #        /Resources <<
+        #          /XObject <<
+        #            /fullpage 7 0 R
+        #          >>
+        #        >>
+        #        /Length 12
+        #      >>
+        keyvals = dict(
+            tuple(line.strip().split(maxsplit=1))
+            for line in doc.xrefObject(xref).splitlines()
+            if " " in line.strip()
+        )
+        assert "/BBox" in keyvals
+        newbbox = keyvals["/BBox"].strip(" []").split()
+        for v1, v2 in zip(bbox, newbbox):
+            assert math.isclose(float(v1), float(v2), abs_tol=0.00001)
+        assert "/Matrix" in keyvals
+        newmatrix = keyvals["/Matrix"].strip(" []").split()
+        for v1, v2 in zip(matrix, newmatrix):
+            assert math.isclose(float(v1), float(v2), abs_tol=0.00001)