Access the bbox/background data correctly in the MeshShadingPattern…

… class (issue 18816) This appears to have regressed in PR 13808, since it removed the `matrix`-entry from array returned by the `MeshShading.prototype.getIR` method *without* also updating the indexes in the `MeshShadingPattern` constructor.
mozilla · Jan 8, 2025 · 70c2001 · 70c2001
1 parent dfbd1d5
commit 70c2001
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Showing 4 changed files with 10 additions and 2 deletions.
diff --git a/src/display/pattern_helper.js b/src/display/pattern_helper.js
@@ -313,8 +313,8 @@ class MeshShadingPattern extends BaseShadingPattern {
     this._colors = IR[3];
     this._figures = IR[4];
     this._bounds = IR[5];
-    this._bbox = IR[7];
-    this._background = IR[8];
+    this._bbox = IR[6];
+    this._background = IR[7];
     this.matrix = null;
   }
 

diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
@@ -94,6 +94,7 @@
 !issue8424.pdf
 !issue8480.pdf
 !bug1650302_reduced.pdf
+!issue18816.pdf
 !issue8570.pdf
 !issue8697.pdf
 !issue8702.pdf

diff --git a/test/pdfs/issue18816.pdf b/test/pdfs/issue18816.pdf
diff --git a/test/test_manifest.json b/test/test_manifest.json
@@ -10078,6 +10078,13 @@
     "annotations": true,
     "type": "eq"
   },
+  {
+    "id": "issue18816",
+    "file": "pdfs/issue18816.pdf",
+    "md5": "45f863f5b227f700ffea1210e4f80403",
+    "rounds": 1,
+    "type": "eq"
+  },
   {
     "id": "issue17794",
     "file": "pdfs/issue17794.pdf",