Files on HP Prime Question

[Tim Wessman]

(05-20-2015 10:10 PM)critor Wrote:  You need to right-click the app 'Files' folder, and add your PNG images, one by one.

Drag the application to the content pane in the bottom left corner. Drag whatever files you want to the directory. Send it. :-)

Any file in the application directory will be sent along. No recursion to lower directories. The "add file" just copies your selected file to the folder - nothing more.

Quote:* Another idea would be to concatenate several PNG images into a single file, thus forming the document.

A PNG is zip file essentially. http://en.wikipedia.org/wiki/Portable_Ne...ompression

Quote:PNG uses a non-patented lossless data compression method known as DEFLATE, which is the same algorithm used in the zlib compression library.

This means that

Quote:Indeed, G1:=AFilesB(filename,offset,size) doesn't seem to work, even when offset is 0.

would be like getting a hex editor to pull out a small block from the middle of a .zip file and trying to use it directly. It just isn't possible as you don't have a fully formed zip archive will all the information needed to decompress it.