In Calibre, right click on Book and select Open containing folder.Rename BookCopyFixed.zip to BookCopyFixed.epub.Using Keka compress BookCopyFixed/ to BookCopyFixed.zip.Rename folder BookCopy/ to BookCopyFixed/.Not sure if this is necessary but it’s what I did.Open Keka and set the compression method to Store / No compression.If you previously had that file open in Chrome you may need to close the tab before reopening the file.Drag a randomHtmlName.xhtml file to Chrome to see if it changed the aspect ratio of images to be correct.Click Replace All to replace the patterns.Click Find All to make sure it finds the patterns.In the Find window I set the following:.Use a tool such as TextMate to run a regex find and replace across all the randomHtmlName.xhtml files.I need a way to find and replace all text that follows the same pattern as style="width:XX.XXem height:XX.XXem ".
I checked another image and found that the style attribute had different width and height numbers.I’m not sure if this is the same issue that is causing everyone else’s aspect ratio problems.I did not need to change the separate width and height attributes.I changed this from style="width:150.00em height:98.00em " to style="width:150.00em ".For me, this was as simple as editing the style attribute.Play around with the HTML until the image has the correct aspect ratio.In Chrome, right click on the image and select Inspect.For me Chrome would only open these files if I dragged them from Finder into the Chrome window.Open this randomHtmlName.xhtml in Chrome.These previews do not show the images, only text. I skimmed through the randomHtmlName.xhtml files in Finder’s Column view and checked the header in the previews as I keyed through the files.Find the xhtml file within OEBPS/ that matches this section.In my case this matches the title of that section in the PDF outline. Note the header that precedes this image.Find a page in BookCopy.pdf that has an image with an incorrect aspect ratio.Figure out what is causing the weird aspect ratios.I use keka as my file archive tool but this probably isn’t important.
Note: The random file names are actually named along the lines of xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.extension
I have a file Book.epub I want to convert to pdf using Calibre, but no matter what I try in Calibre settings, some of the images in Book.pdf have super weird aspect ratios.
It also leaves extra blank space and sometimes whole blank pages where there used to be a stretched image. I have achieved a workaround to make images have correct aspect ratio in the output pdf!! I did this on MacOS but I imagine it would work on other platforms.
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