Closed Bug 77262 Opened 24 years ago Closed 24 years ago

Transparent PNG files rendered on incorrect background color

Categories

(Core :: Graphics: ImageLib, defect)

x86
Windows 2000
defect
Not set
minor

Tracking

()

VERIFIED DUPLICATE of bug 50974
mozilla0.9.2

People

(Reporter: brett.donald, Assigned: pavlov)

References

()

Details

(Whiteboard: [imglib])

Attachments

(3 files)

Some PNG files containing alpha transparency information are rendered incorrectly. Instead of the page background showing through in the transparent areas, a random background color shows in these areas. However, only certain PNG files exhibit this behaviour: I have others which are rendered correctly. A test HTML page is attached. This is a new problem - it started happening during the past few weeks - that is, some time during March or April 2001. The problem is not evident in Netscape 6, as the attached screenshot shows. I am using build 2001042208, on Windows 2000.
Attached file Test HTML page and sample PNG files (deleted) —
Attached file Test HTML page and sample PNG files (deleted) —
worksforme, linux build 2001-04-23-08. Windows-only?
over to imagelib. I suspect this is already reported. Confirmed win32 mozilla build 042304
Assignee: asa → pavlov
Status: UNCONFIRMED → NEW
Component: Browser-General → ImageLib
Ever confirmed: true
QA Contact: doronr → tpreston
I see this in W2k build 2001042404, changing status to [imglib]
Whiteboard: [imglib]
*** Bug 79310 has been marked as a duplicate of this bug. ***
waiting for bug 78690 to be fixed targetting for 0.9.2
Depends on: 78690
Target Milestone: --- → mozilla0.9.2
*** This bug has been marked as a duplicate of 50974 ***
Status: NEW → RESOLVED
Closed: 24 years ago
Resolution: --- → DUPLICATE
Verified Duplicate
Status: RESOLVED → VERIFIED
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