Texts on the right-most page were chewed off [multiple pages in paged mode]

llinfeng · 05-11-2021, 12:58 PM

In the viewer, I set 2 "pages" for a "Portrait" monitor and 3 "pages" for a monitor in landscape mode. While the 2 pages per screen (monitor) works fine, the texts on the right-most page were chopped off by a few characters when I move the Viewer to a monitor in portrait mode.

With 3 "pages" in the Viewer, as I step through pages in a chapter, more and more characters are chopped off. Usually, when I am half way through a chapter, I will start to miss characters from the right-most page, like below:

If I keep going deeper into a chapter, the pages were shifted so that "a new column" may show up on the left, like below:

I found two older posts (post1, post2), but neither helped. Changing the font did not help at all, and changing the styles made more texts hidden.

For now, the only thing that worked is to turn on the Bookmark panel inside the viewer. The new panel for booksmarks shall take up some additional space, but corrects for all the missing characters on the right-margin of the right-most page. Hiding the bookmarks should instantly undo the fix, leaving right-most characters hidden.

I wonder if a new release can fix the issue.

kovidgoyal · 05-11-2021, 08:55 PM

This will be caused by some non-reflowable markup in the books you are reading, three columns make the individual columns too narrow. Stick to two.

llinfeng · 05-14-2021, 02:40 AM

Three columns are just fine for 16:9/16:10 monitors in landscape mode. 2 columns shall leave a line too wide for me to finish reading one "line" at a time. @kovidgoyal, I see this more as a bug report. Feel free to direct me to Github if it helps.

For the TOC/bookmark trick to work, I find it necessary to leave the "maximum screen area" untouched (under Preference/Page Layout).

Given the complicated interplay of settings, I wonder what makes 3 columns special. Here are a bit more of the complications: With the same book, under a restricted "maximum screen area" with a fixed width, 2, 4 or 5 columns are rendered without a problem. The right-margin will be cropped off with 3 columns regardless of whether the TOC panel is visible or not. I'll need to undo all restrictions for the "maximum screen area" to get the TOC trick to work with the 3-column page view. (Calibre version 5.16).

BetterRed · 05-14-2021, 04:50 AM

See ==>> https://calibre-ebook.com/

Click Bugs

BR

llinfeng · 05-21-2021, 12:42 PM

Thanks for the pointer. I created a bug report here: https://bugs.launchpad.net/calibre/+bug/1929238

05-11-2021, 12:58 PM	#1
llinfeng Enthusiast Posts: 38 Karma: 58 Join Date: Jan 2019 Device: Kobo, Kindles, Sony DPTs, QQ-Read	Texts on the right-most page were chewed off [multiple pages in paged mode] In the viewer, I set 2 "pages" for a "Portrait" monitor and 3 "pages" for a monitor in landscape mode. While the 2 pages per screen (monitor) works fine, the texts on the right-most page were chopped off by a few characters when I move the Viewer to a monitor in portrait mode. With 3 "pages" in the Viewer, as I step through pages in a chapter, more and more characters are chopped off. Usually, when I am half way through a chapter, I will start to miss characters from the right-most page, like below: If I keep going deeper into a chapter, the pages were shifted so that "a new column" may show up on the left, like below: I found two older posts (post1, post2), but neither helped. Changing the font did not help at all, and changing the styles made more texts hidden. For now, the only thing that worked is to turn on the Bookmark panel inside the viewer. The new panel for booksmarks shall take up some additional space, but corrects for all the missing characters on the right-margin of the right-most page. Hiding the bookmarks should instantly undo the fix, leaving right-most characters hidden. I wonder if a new release can fix the issue.

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05-11-2021, 08:55 PM	#2
kovidgoyal creator of calibre Posts: 43,860 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	This will be caused by some non-reflowable markup in the books you are reading, three columns make the individual columns too narrow. Stick to two.

05-14-2021, 02:40 AM	#3
llinfeng Enthusiast Posts: 38 Karma: 58 Join Date: Jan 2019 Device: Kobo, Kindles, Sony DPTs, QQ-Read	Three columns are just fine for 16:9/16:10 monitors in landscape mode. 2 columns shall leave a line too wide for me to finish reading one "line" at a time. @kovidgoyal, I see this more as a bug report. Feel free to direct me to Github if it helps. For the TOC/bookmark trick to work, I find it necessary to leave the "maximum screen area" untouched (under Preference/Page Layout). Given the complicated interplay of settings, I wonder what makes 3 columns special. Here are a bit more of the complications: With the same book, under a restricted "maximum screen area" with a fixed width, 2, 4 or 5 columns are rendered without a problem. The right-margin will be cropped off with 3 columns regardless of whether the TOC panel is visible or not. I'll need to undo all restrictions for the "maximum screen area" to get the TOC trick to work with the 3-column page view. (Calibre version 5.16).

05-14-2021, 04:50 AM	#4
BetterRed null operator (he/him) Posts: 20,572 Karma: 26954694 Join Date: Mar 2012 Location: Sydney Australia Device: none	See ==>> https://calibre-ebook.com/ Click Bugs BR

05-21-2021, 12:42 PM	#5
llinfeng Enthusiast Posts: 38 Karma: 58 Join Date: Jan 2019 Device: Kobo, Kindles, Sony DPTs, QQ-Read	Thanks for the pointer. I created a bug report here: https://bugs.launchpad.net/calibre/+bug/1929238

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