docs(readme): mention support for image files other than PNG

At the very least, JPEG is working after the below commit:
5bcffdbb01
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Jason 2021-02-18 13:58:30 +09:00 committed by Jeremy Attali
parent bf265b69f1
commit 2916516e2c
3 changed files with 5 additions and 5 deletions

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# swappy # swappy
A Wayland native snapshot and editor tool, inspired by [Snappy] on macOS. Works great with [grim], [slurp] and [sway]. But can easily work with other screen copy tools that can output a final PNG image to `stdout`. See [below](#example-usage). A Wayland native snapshot and editor tool, inspired by [Snappy] on macOS. Works great with [grim], [slurp] and [sway]. But can easily work with other screen copy tools that can output a final image to `stdout`. See [below](#example-usage).
## Screenshot ## Screenshot
@ -8,7 +8,7 @@ A Wayland native snapshot and editor tool, inspired by [Snappy] on macOS. Works
## Example usage ## Example usage
Output of `grim` (or any tool outputing a PNG file): Output of `grim` (or any tool outputing an image file):
```sh ```sh
grim -g "$(slurp)" - | swappy -f - grim -g "$(slurp)" - | swappy -f -

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Icon=swappy Icon=swappy
Categories=Utility;Graphics;Annotation; Categories=Utility;Graphics;Annotation;
StartupNotify=true StartupNotify=true
MimeType=image/png; MimeType=image/png;image/jpeg;

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swappy is a command-line utility to take and edit screenshots of Wayland swappy is a command-line utility to take and edit screenshots of Wayland
desktops. Works great with grim, slurp and sway. But can easily work with desktops. Works great with grim, slurp and sway. But can easily work with
other screen copy tools that can output a final PNG image to *stdout*. other screen copy tools that can output a final image to *stdout*.
swappy will save the annotated images to the config *save_dir*, see below. swappy will save the annotated images to the config *save_dir*, see below.
@ -30,7 +30,7 @@ to: *$HOME/Desktop*.
Show version and quit. Show version and quit.
*-f, --file* <file> *-f, --file* <file>
A PNG file to load for editing. An image file to load for editing.
If set to *-*, read the file from standard input instead. This is grim If set to *-*, read the file from standard input instead. This is grim
friendly. friendly.