From 1ffb160453f7e2fbc447ddd0d8428adb520e42ee Mon Sep 17 00:00:00 2001 From: mara0004 Date: Sun, 3 Oct 2021 11:50:15 +0000 Subject: [PATCH] Readme: remove alpha channels section --- README.md | 8 -------- 1 file changed, 8 deletions(-) diff --git a/README.md b/README.md index 7dda3ad..4f7e487 100644 --- a/README.md +++ b/README.md @@ -77,14 +77,6 @@ Bugs files with other colorspaces, you must explicitly specify it using the `--colorspace` option. - - Input images with alpha channels are not allowed. PDF only supports - transparency using binary masks but is unable to store 8-bit transparency - information as part of the image itself. But img2pdf will always be lossless - and thus, input images must not carry transparency information. You can - remove the alpha channel for example with imagemagick: - - convert input.png -background white -alpha remove -alpha off output.png - - An error is produced if the input image is broken. This commonly happens if the input image has an invalid EXIF Orientation value of zero. Even though only nine different values from 1 to 9 are permitted, Anroid phones and