Support and General Use > Theming and Appearance Customization
RockBox album cover appearing white'ish
dreamlayers:
My first thoughts were gamma errors in scaling or colour profile issues. Those seem to have been ruled out by resizing and taking a screenshot on a PC.
Please upload some problem images somewhere so developers can examine the issue.
As a workaround, try converting the album art to BMP format. I suggest resizing them first to make the files smaller.
ISwearSheWas18:
Hmm, tried to convert images to .bmp as suggested and now it looks as it should. No need to re-size images to 96x96, just converting them to .bmp does the trick. Thanks for help!
[Saint]:
--- Quote from: ISwearSheWas18 on June 12, 2013, 06:16:08 AM ---Just tried, what [Saint] suggested - re-sized images to 96x96 resolution, which is Clip Zip's native one.
--- End quote ---
Perhaps I could've worded this better. This wasn't quite what I was suggesting, but, close.
The native resolution of the device isn't relevant unless the theme is actually using a full screen album art image, which I doubt somewhat.
What I was suggesting was to look at the .wps/.sbs itself (as noted in my previous post you'll be looking for a declaration along the lines of:
%Cl(xpos,ypos,width,height,alignment,alignment) - the alignment params are not required and may or may not be present) and see what size album art the theme is requesting. By supplying the exact proportions the theme expects we can avoid any {down|up}scaling being done on the image at all.
[Saint]
electric_indigo:
Some examples: http://imgur.com/a/5NPCm
Some of them have not only color distorted, but also have some kind of “offset”.
Resizing to player's native resolution fixed the problem for all the images. Converting to bmp and back to jpeg without resizing fixed it for most of them. I used imagemagick with default quality settings.
ISwearSheWas18:
Well, it was quite the opposite for me. Converting image files to .bmp and leaving them to that format without converting back to .jpeg fixed all images, while changing resolution affected only few of them.
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