Midori Web Browser

canvas alpha displays

Bug #712836 reported by Cian Ó Rathaille
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Midori Web Browser
Invalid
Low
Unassigned

Bug Description

The setting the alpha channel of a canvas pixel in Midori to zero appears to give incorrect output (different from expectation)

compare output of ths page on chrome and midori: http://www.maths.tcd.ie/~orathaic/documents/CanvasTest_old.php

Michael Moroni (airon90)
tags: added: alphachannel
Revision history for this message
Danielle Foré (danrabbit) wrote :

OP can you still confirm?

If so, can you post your Midori and Webkit version?

Changed in midori:
status: New → Incomplete
Revision history for this message
Cian Ó Rathaille (orathaic) wrote :

Midori/0.3 (X11; Linux; U; en-ie) WebKit/534.21+

see: http://www.maths.tcd.ie/~orathaic/midoritest.php

The issue remains, it looks like an overflow error, alpha of 0 is treated like an alpha of 256.

Revision history for this message
Danielle Foré (danrabbit) wrote :

Oh yep. I can confirm.

Changed in midori:
status: Incomplete → Confirmed
tags: added: canvas
Danielle Foré (danrabbit)
Changed in midori:
importance: Undecided → Low
Revision history for this message
Danielle Foré (danrabbit) wrote :

Seems to be fixed now :)

Changed in midori:
status: Confirmed → Invalid
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