MobileRead Forums - View Single Post - k2pdfopt: optimizes PDFs for viewing on e-readers

RTL · 04-10-2015, 10:47 PM

Hello, Willus,

Thanks for your help. Now I have some more questions:

(1) When re-flowing partially filled, center aligned text with extra justification option, I could not align it either right or left. It just tries to stay in center aligned. The k2pdfopt program might think (it is what I assume actually) it is a center aligned title or heading line. Is it true? Is there any way to forcibly align it?

(2) When reflowing text, if some words at the end of the current line in original text do no fit there, it will be wrapped to next line, partially filling the line, in which there are some space. Now the next line in original text starts from a fresh 3rd line, not using the space left in previous line. Is it the intended way of the program or did I miss some extra options?

Let me illustrate it:

Original text:

-------------------------------------
first word second word some more words
second line some words some more ...
-------------------------------------

Re-flown result:

-------------------------------------
first word second word some
more words
second line some words some
more ...
-------------------------------------

What I wanted:

-------------------------------------
first word second word some
more words second line some
words some more ...
-------------------------------------

(3) Is there any way to find out bitmap pdf's original resolution? Let's assume I have a 1000 pixel wide bitmap picture, I converted it to a 10 inch wide pdf file, thus effectively having a 100 ppi resolution bitmap pdf. Later for some reason, I need to convert this pdf to bitmap. While converting, I set the resolution to be 200 ppi (or dpi), having a 2000 pixel wide bitmap. Is this "higher resolution" bitmap picture any better than the original one?

I think it is a good question. As when we use the program, we have conflicting goal of having smaller file size with higher resolution. If we reflow some previously-generated, resolution-unknown bitmap pdf, we could set the resolution as high as the original resolution, but not higher. If we set higher, what I think is that it just increases file size, but not resolution. Am I right?

Thanks.

04-10-2015, 10:47 PM	#1041
RTL Member Posts: 17 Karma: 16138 Join Date: Mar 2015 Device: none	Hello, Willus, Thanks for your help. Now I have some more questions: (1) When re-flowing partially filled, center aligned text with extra justification option, I could not align it either right or left. It just tries to stay in center aligned. The k2pdfopt program might think (it is what I assume actually) it is a center aligned title or heading line. Is it true? Is there any way to forcibly align it? (2) When reflowing text, if some words at the end of the current line in original text do no fit there, it will be wrapped to next line, partially filling the line, in which there are some space. Now the next line in original text starts from a fresh 3rd line, not using the space left in previous line. Is it the intended way of the program or did I miss some extra options? Let me illustrate it: Original text: ------------------------------------- first word second word some more words second line some words some more ... ------------------------------------- Re-flown result: ------------------------------------- first word second word some more words second line some words some more ... ------------------------------------- What I wanted: ------------------------------------- first word second word some more words second line some words some more ... ------------------------------------- (3) Is there any way to find out bitmap pdf's original resolution? Let's assume I have a 1000 pixel wide bitmap picture, I converted it to a 10 inch wide pdf file, thus effectively having a 100 ppi resolution bitmap pdf. Later for some reason, I need to convert this pdf to bitmap. While converting, I set the resolution to be 200 ppi (or dpi), having a 2000 pixel wide bitmap. Is this "higher resolution" bitmap picture any better than the original one? I think it is a good question. As when we use the program, we have conflicting goal of having smaller file size with higher resolution. If we reflow some previously-generated, resolution-unknown bitmap pdf, we could set the resolution as high as the original resolution, but not higher. If we set higher, what I think is that it just increases file size, but not resolution. Am I right? Thanks.