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Possible? Downsampling Header for Retina


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  #1  
Old Aug 22, 2012, 01:50 AM
Picturesque's Avatar
Picturesque
 
11 posts · Oct 2010
Norway
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Is there any way to downsample the header image for retina displays in ATO or in the code? I'm not experienced with PHP coding so I would need detailed guidance if I were hardcode, and I'm not looking to for a "retina recognition" option swtich, because I don't care whether it takes two seconds longer to load as it's only one image and not that big a deal Anyone with experience on this?
  #2  
Old Aug 22, 2012, 04:21 AM
juggledad's Avatar
juggledad
 
21,950 posts · Mar 2009
OSX 10.8.5 WP 3.8.x Atahualpa 3.7.x Safari 6.x Firefox 25 XP
why not just load a downsampled image in the first place?
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  #3  
Old Aug 23, 2012, 04:48 PM
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Picturesque
 
11 posts · Oct 2010
Norway
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I don't really know what you mean in relation to this. I have a, say 1000x200 px image, for the header, and for it to be the same physical size on retina, the header must be 2000x400 px originally and I have to set the width="1000" and height="200" (downsampling), and it will then not be fuzzy on retina screens as far as I'm concerned because the retina device won't multiply the bitmap pixels. So I'm wondering if it's possible to do this in atahualpa. If I load an already downsampled image it won't help me with the retina problem.
  #4  
Old Aug 23, 2012, 06:42 PM
juggledad's Avatar
juggledad
 
21,950 posts · Mar 2009
OSX 10.8.5 WP 3.8.x Atahualpa 3.7.x Safari 6.x Firefox 25 XP
Media is not controled by a theme it's controled by WordPress.

I read that the new retina displays are a probelm for bandwidth usage since sites serve the higher quality images which causes them to take longer to load because they are bigger and use up more of the monthly allowance of a user (if ou are on a data plan)

remember there are three factors in the size (quality) of an image - the height and width and the depth (the dpi) so you want the loest DPI that still lookas good on a retina display. Do this in an image editing program before loading it to your site - experiment a little to see what is acceptable to you.
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  #5  
Old Jan 20, 2013, 06:04 PM
Flur
 
29 posts · Dec 2008
I'm still unclear on uploading an image for retina. If my header area is 800x200, and I upload an image that's 1600x400, Atahualpa displays the top 200 pixels and the center 800 pixels. How do I get it to display the full 1600x400 image as 800x200 on retina devices and downsize the image to 800x200 for non-retina devices?

Are there plugins that work with Atahualpa to do this?
  #6  
Old Jan 20, 2013, 07:55 PM
juggledad's Avatar
juggledad
 
21,950 posts · Mar 2009
OSX 10.8.5 WP 3.8.x Atahualpa 3.7.x Safari 6.x Firefox 25 XP
You will have to search for a plugin, I know of none, but I haven't looked.
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