172495 2017-05-23 02:01:26 -0700 Zoom in/out is slow in Safari with large PDFs 2017-05-23 11:58:30 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 thorton thorton bdakin kling sam simon.fraser oldest_to_newest 1311794 0 thorton 2017-05-23 02:01:26 -0700 Zoom in/out is slow in Safari with large PDFs 1311795 1 310987 thorton 2017-05-23 02:01:52 -0700 Created attachment 310987 Patch 1311907 2 310987 kling 2017-05-23 09:49:38 -0700 Comment on attachment 310987 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=310987&action=review > Source/WebKit2/WebProcess/Plugins/PDF/PDFPlugin.mm:1156 > + size_t pageCount = [m_pdfDocument pageCount]; > + for (size_t i = 0; i < pageCount; ++i) > + m_pageBoxes.append(enclosingIntRect([[m_pdfDocument pageAtIndex:i] boundsForBox:kPDFDisplayBoxCropBox])); I'm no expert on this code, but shouldn't we clear m_pageBoxes somehow before appending all the boxes to it? Or is this going to only run once? 1311916 3 310987 sam 2017-05-23 10:10:01 -0700 Comment on attachment 310987 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=310987&action=review >> Source/WebKit2/WebProcess/Plugins/PDF/PDFPlugin.mm:1156 >> + m_pageBoxes.append(enclosingIntRect([[m_pdfDocument pageAtIndex:i] boundsForBox:kPDFDisplayBoxCropBox])); > > I'm no expert on this code, but shouldn't we clear m_pageBoxes somehow before appending all the boxes to it? > Or is this going to only run once? Also, since we know how many things are getting appened, you can reserve capacity and then do uncheckedAppends. 1311958 4 thorton 2017-05-23 11:36:02 -0700 (In reply to Andreas Kling from comment #2) > Comment on attachment 310987 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=310987&action=review > > > Source/WebKit2/WebProcess/Plugins/PDF/PDFPlugin.mm:1156 > > + size_t pageCount = [m_pdfDocument pageCount]; > > + for (size_t i = 0; i < pageCount; ++i) > > + m_pageBoxes.append(enclosingIntRect([[m_pdfDocument pageAtIndex:i] boundsForBox:kPDFDisplayBoxCropBox])); > > I'm no expert on this code, but shouldn't we clear m_pageBoxes somehow > before appending all the boxes to it? > Or is this going to only run once? LOL, yes, and this has always been broken, but has never really mattered much because we only use the first box... which means we can simplify this a great deal and do even less work! 1311974 5 311035 thorton 2017-05-23 11:50:33 -0700 Created attachment 311035 Patch 1311975 6 311035 simon.fraser 2017-05-23 11:53:06 -0700 Comment on attachment 311035 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=311035&action=review > Source/WebKit2/WebProcess/Plugins/PDF/PDFPlugin.mm:1160 > + m_firstPageHeight = static_cast<unsigned>(CGCeiling([[m_pdfDocument pageAtIndex:0] boundsForBox:kPDFDisplayBoxCropBox].size.height)); Do we always have a page 0? 1311976 7 thorton 2017-05-23 11:58:30 -0700 http://trac.webkit.org/changeset/217288/webkit 310987 2017-05-23 02:01:52 -0700 2017-05-23 11:50:31 -0700 Patch bug-172495-20170523020151.patch text/plain 2177 thorton U3VidmVyc2lvbiBSZXZpc2lvbjogMjE3MjIzCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0Mi9D 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