[Webkit-unassigned] [Bug 93465] New: Set m_isComplete to true in BitmapImage(NativeImagePtr, ImageObserver*).

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93465

           Summary: Set m_isComplete to true in
                    BitmapImage(NativeImagePtr, ImageObserver*).
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: luxtella at company100.net


This constructor creates a BitmapImage from a platform specific NativeImagePtr.
It sets m_frame of the first frame to the given NativeImagePtr.
The BitmapImage created does not need decoding because decoding is already done.
So, it is proper to set m_isComplete to true. Currently, only OpenVG
port sets m_isComplete to true.

This change is needed for parallel image decoders. Currently,
BitmapImage checks only m_frame in order to determine whether decoding
is needed or not. But after parallel image decoders are landed,
BitmapImage also needs to check m_isComplete. If m_isComplete is false,
BitmapImage will try to decode again, and it can't actually decode
because the BitmapImage created from a NativeImagePtr does not have
encoded data.

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