[Webkit-unassigned] [Bug 27221] New: WebKit should cached down-sampled decoded image frames

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jul 13 09:48:56 PDT 2009


           Summary: WebKit should cached down-sampled decoded image frames
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eric at webkit.org
                CC: hyatt at apple.com, pkasting at google.com,
                    abarth at webkit.org

WebKit should cached down-sampled decoded image frames

This page has 10 images, which add up to about 14MB:

Yet it's only displaying small versions of each of the images (web master
error, he's using the original camera .JPG files and using the <img> tag to
resize them).

Scrolling is horrible in both Safari and FireFox because we seem to have to
decode the images new on scroll (I assume just the 3-4 which are on screen are
enough to blow out the decoded frame cache?

Seems we should have a way to cache only the decoded, down-sampled frames in
this case.  Maybe we already do?  Maybe I'm totally off my rocker?

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