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authorHenrique Nakashima <hnakashima@chromium.org>2018-08-21 19:50:17 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-08-21 19:50:17 +0000
commitdc2bb9ad21a10550fb451d7c842c63cbce98045b (patch)
treecced6e8df7fdbd424dcc6a4dd9c4f145645fc31c /core
parentaa58fb5759b937760464a2e63f19f464cd1cfe52 (diff)
downloadpdfium-dc2bb9ad21a10550fb451d7c842c63cbce98045b.tar.xz
Optimize rendering of two dimensional barcodes: defer upscale.
Defer upscaling as late as possible so that intermediary data structures are smaller. Made a couple of changes along the way to preserve the barcode correctness and fix some padding issues. For my example, this is a ~21x improvement in rendering time, down from ~190ms per barcode to ~9ms. Bug: 872907, pdfium:1135 Change-Id: If532e0f168f02fea9c31d473f34c0009da4f4612 Reviewed-on: https://pdfium-review.googlesource.com/40010 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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