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

[WordPress Trac]

#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 tried corel draw x6 to save (export) 6 colors pdf as 6 or more
 colors png, but it did not choose right colors, only with many colors like
 16 or 24 i could get proper image, then i saved it as 24 bit png and
 opened and saved with paint.net with 8 colors and it made it well.

 so imagick also may have problems, i do not know. there are several
 methods of choosing colors in corel draw, but '''maybe''', i am not sure,
 paint.net worked better for me, ie, maybe, it managed to make better
 result with 8 colors, though "adaptive" method or other in corel draw,
 maybe, produced image of same quality with 8 colors.

 (content of the images i deal with are tables with some ornaments around
 it, some parts of ornaments may be with gradients).

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Ticket URL: <https://core.trac.wordpress.org/ticket/30402#comment:11>
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