I have tried (under resolution 699x1006)
-m 0.122s,0.144s,0.122s,0.81s
before my last post. It did not work as I expect, I mean the result has more area included than I expect compare to:
-m 74p,145p,74p,81p
I have not test more to see if I've made a mistake.
Then about pixel-for-pixel, I am not mean display, only a rare case you can display a book pixel-for-pixel in device screen (unless it's a text book). I mean convert. If a conversion process is lossless, you can to do it any passes without worry loss information. And in this particular case, I mean do not increase output filesize in text reflow mode, and font may be displayed more sharp than current scale twice process. The price of the pixel-for-pixel process is you can not do some rotate correction for scanned content. If you use native PDF mode, the PDF viewer program can do rotate correction and display scale operation in one pass (two transformation matrix multiply to one before apply), but it can not do text reflow now.
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