PDFBOX-5660: optimize, as suggested by Valery Bokov; closes #366

THausherr · THausherr · commit c478f71467b5 · 2026-01-01T07:26:02.000Z
git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1931028 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java b/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
@@ -2170,7 +2170,7 @@ private boolean isHiddenOCMD(PDOptionalContentMembershipDictionary ocmd)
         {
             return false;
         }
-        List<Boolean> visibles = new ArrayList<>();
+        List<Boolean> visibles = new ArrayList<>(oCGs.size());
         oCGs.forEach(prop -> visibles.add(!isHiddenOCG(prop)));
         COSName visibilityPolicy = ocmd.getVisibilityPolicy();
         

Original file line number	Diff line number	Diff line change
`@@ -2170,7 +2170,7 @@ private boolean isHiddenOCMD(PDOptionalContentMembershipDictionary ocmd)`
`2170`	`2170`	`{`
`2171`	`2171`	`return false;`
`2172`	`2172`	`}`
`2173`		`- List<Boolean> visibles = new ArrayList<>();`
	`2173`	`+ List<Boolean> visibles = new ArrayList<>(oCGs.size());`
`2174`	`2174`	`oCGs.forEach(prop -> visibles.add(!isHiddenOCG(prop)));`
`2175`	`2175`	`COSName visibilityPolicy = ocmd.getVisibilityPolicy();`
`2176`	`2176`