[Octave-bug-tracker] [bug #54309] Internal transparent area of png image is loaded as border color

[Tis Veugen]

URL:
  <http://savannah.gnu.org/bugs/?54309>

                 Summary: Internal transparent area of png image is loaded as
border color
                 Project: GNU Octave
            Submitted by: tis
            Submitted on: Fri 13 Jul 2018 06:55:21 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Tis Veugen
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
        Operating System: Microsoft Windows

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Details:

I read a png image with imread; the image has a border enclosing an area that
has the transparent color.
In the read image the internal transparent area is wrongly not transparent,
but has the (red) color of the border.




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File Attachments:


-------------------------------------------------------
Date: Fri 13 Jul 2018 06:55:21 PM UTC  Name: read_png.m  Size: 98B   By: tis

<http://savannah.gnu.org/bugs/download.php?file_id=44554>
-------------------------------------------------------
Date: Fri 13 Jul 2018 06:55:21 PM UTC  Name: hearts_o.png  Size: 4KiB   By:
tis

<http://savannah.gnu.org/bugs/download.php?file_id=44555>

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