[wp-trac] [WordPress Trac] #30402: medium image size may be larger than full image size

WordPress Trac noreply at wordpress.org
Sat Mar 21 10:14:30 UTC 2015


#30402: medium image size may be larger than full image size
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 Reporter:  qdinar        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  3.9.2
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by qdinar):

 i have tested a 8 bit image, 1749 x 2482, png, 264 kB. another png, 722 x
 1024 , 32 bit was created by worpress from it, and it is 834 kB. i have
 downloaded it and saved it with paint.net program with 8 bits (png) and it
 has become 162 kB. it is of good quality.

 >Both of those had fairly bad results — the image quality suffered quite a
 bit

 I think, if colors are many like 256, or if resulting image has several
 more colors than input image, for example, if input is 8 colors and result
 is 12 colors, probably it should be OK. because the several additional
 tones can be used for antialiasing at edges.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30402#comment:10>
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