)]}'
{
  "commit": "eaf8e95e67ea9483522cd79a1e072ceab1d1dbc6",
  "tree": "94381e6fd53b19c0b028014694920e2c6042ae50",
  "parents": [
    "d632d58a616a895d16d8c023a1685b268020c50e"
  ],
  "author": {
    "name": "Nico Weber",
    "email": "thakis@chromium.org",
    "time": "Mon Nov 17 12:39:28 2025 -0800"
  },
  "committer": {
    "name": "Pdfium LUCI CQ",
    "email": "pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com",
    "time": "Mon Nov 17 12:39:28 2025 -0800"
  },
  "message": "jbig2: Restrict page buffer bitmap to region covered by refinement region\n\nJBIG2 spec, 7.4.7.4 Reference bitmap selection:\n\n\u003e If this segment does not refer to another region segment, set\n\u003e GRREFERENCE to be a bitmap containing the current contents of the page\n\u003e buffer (see clause 8), restricted to the area of the page buffer\n\u003e specified by this segment\u0027s region segment information field.\n\nI believe this means PDFium has to limit the reference bitmap to the\nsubrect of the page buffer covered by the refinement region.\nPreview.app, Acrobat Reader, poppler all agree with this interpretation.\n\nThe test will be in the corpus repo.\n\nBug: 461414279\nChange-Id: I393956d3bd140805b910d14c741ff66d46642a5d\nReviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/138370\nReviewed-by: Nico Weber \u003cthakis@google.com\u003e\nReviewed-by: Lei Zhang \u003cthestig@chromium.org\u003e\nCommit-Queue: Nico Weber \u003cthakis@chromium.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "f3ee6075b5c9f7651404f7f8ef6bb71b9048be19",
      "old_mode": 33188,
      "old_path": "core/fxcodec/jbig2/JBig2_Context.cpp",
      "new_id": "e36c49f69dc6c74322ad7698526b34545a70c621",
      "new_mode": 33188,
      "new_path": "core/fxcodec/jbig2/JBig2_Context.cpp"
    }
  ]
}