Rockbox Development > Feature Ideas

PDF viewer

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runninggee57:
Hey, so I'm a little new to rockbox but I really love the software.  One thing I was wonder is how hard it would be to implement a pdf viewer.  The only way to see pdfs in ipod OS is to convert it all to text and then put it in notes folder.  Anyone think this could be a plausible add-in.  I'm not sure if you have to buy rights to make a pdf viewer from adobe or something like that.

saratoga:
PDFs are typically made assuming a fairly high resolution for the viewer, such as 800x600+.  I don't think any rockbox targets have a big enough screen to really be useful.

thuban:
true...but in the future, it could be really interesting :) : it's the only thing missing to last ipod nano (as an example.)

dangerousd777:
Well I've heard there could be 2 options.

Text only and pictures with text.

Maybe you could do what you did with the Jpeg viewer, be able to zoom in and zoom out and scroll in 4 directions, as well as being able to choose the page number and everything else.

For the high res, maybe you could resample each page to a lower resolution using the CPU, on the users choice in some option for the plugin like the jpeg and mpeg viewers. (as in it would resample each pages resolution right before you view it.) Although would there be a way to preserve the text?

I'm using a Sansa e260 though, the res my screen uses is 220x176 4:3-128 16:9, When I OC the CPU from 30 mhz to 80 mhz image resampling, viewing, zooming, scrolling and browsing becomes much faster (2.66x), I don't know why it scales the CPU frequency only when playing music or video and NOT when viewing pictures.

I'll think of more ideas...  ;)

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