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[PDF] Fix multi-level page count calculation.

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BUG=1091

Review URL: https://codereview.appspot.com/7220045

git-svn-id: http://skia.googlecode.com/svn/trunk@7478 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
vandebo@chromium.org 2013-01-30 21:44:40 +00:00
parent 8d3cd7a170
commit 3c974427a9
1 changed files with 10 additions and 3 deletions
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13
src/pdf/SkPDFPage.cpp
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@ -112,12 +112,19 @@ void SkPDFPage::GeneratePageTree(const SkTDArray<SkPDFPage*>& pages,
}
}
newNode->insert(kidsName.get(), kids.get());
// treeCapacity is the number of leaf nodes possible for the
// current set of subtrees being generated. (i.e. 8, 64, 512, ...).
// It is hard to count the number of leaf nodes in the current
// subtree. However, by construction, we know that unless it's the
// last subtree for the current depth, the leaf count will be
// treeCapacity, otherwise it's what ever is left over after
// consuming treeCapacity chunks.
int pageCount = treeCapacity;
if (count < kNodeSize) {
pageCount = pages.count() % treeCapacity;
if (i == curNodes.count()) {
pageCount = ((pages.count() - 1) % treeCapacity) + 1;
}
newNode->insert(countName.get(), new SkPDFInt(pageCount))->unref();
newNode->insert(kidsName.get(), kids.get());
nextRoundNodes.push(newNode); // Transfer reference.
}