Add support for more image formats

hilli · hilli · commit fa5d172de561 · 2025-01-09T13:19:55.000+01:00
diff --git a/README.md b/README.md
@@ -1,6 +1,6 @@
 # icat
 
-Go version of image cat (or `imgcat`) with `webp` and URL support and fallback to ASCII art.
+Go version of image cat (or `imgcat`) with `webp`, `tiff` and (optional) `HEIF` image support (on top of standard Go images formats `gif`, `jpg`, `png`) and URL support and fallback to ASCII art.
 `PrintImageFile` and `PrintImageURL` will print the image to the terminal, trying to figure out which terminal you are using and fallback to ASCII art if the terminal does not support images.
 
 ## Cmd line version
@@ -40,3 +40,8 @@ func main() {
   }
 }
 ```
+
+
+## LICENSE
+
+[MIT](LICENSE)
diff --git a/go.mod b/go.mod
@@ -14,6 +14,7 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
 	github.com/stretchr/testify v1.10.0 // indirect
+	github.com/strukturag/libheif v1.19.5 // indirect
 	github.com/wayneashleyberry/terminal-dimensions v1.1.0 // indirect
 	golang.org/x/term v0.27.0 // indirect
 )
diff --git a/go.sum b/go.sum
@@ -16,6 +16,8 @@ github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
 github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/strukturag/libheif v1.19.5 h1:YLf0RO6mNQYeeNkFSk/Uto8EyUOCzDpLPjbEBoeV9Io=
+github.com/strukturag/libheif v1.19.5/go.mod h1:E/PNRlmVtrtj9j2AvBZlrO4dsBDu6KfwDZn7X1Ce8Ks=
 github.com/wayneashleyberry/terminal-dimensions v1.1.0 h1:EB7cIzBdsOzAgmhTUtTTQXBByuPheP/Zv1zL2BRPY6g=
 github.com/wayneashleyberry/terminal-dimensions v1.1.0/go.mod h1:2lc/0eWCObmhRczn2SdGSQtgBooLUzIotkkEGXqghyg=
 golang.org/x/image v0.23.0 h1:HseQ7c2OpPKTPVzNjG5fwJsOTCiiwS4QdsYi5XU6H68=
diff --git a/heif.go b/heif.go
@@ -0,0 +1,11 @@
+//go:build heif
+
+// Set --tags=heif to build support for hief in to icat.
+// libheif is in LGPL-3.0 license, so it is not included in the default build.
+// This also requires the libheif library to be installed on the system and using CGO.
+
+package icat
+
+import (
+	_ "github.com/strukturag/libheif/go/heif"
+)

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`# icat`
`2`	`2`
`3`		-Go version of image cat (or `imgcat`) with `webp` and URL support and fallback to ASCII art.
	`3`	+Go version of image cat (or `imgcat`) with `webp`, `tiff` and (optional) `HEIF` image support (on top of standard Go images formats `gif`, `jpg`, `png`) and URL support and fallback to ASCII art.
`4`	`4`	`PrintImageFile` and `PrintImageURL` will print the image to the terminal, trying to figure out which terminal you are using and fallback to ASCII art if the terminal does not support images.
`5`	`5`
`6`	`6`	`## Cmd line version`
`@@ -40,3 +40,8 @@ func main() {`
`40`	`40`	`}`
`41`	`41`	`}`
`42`	`42`	```
	`43`	`+`
	`44`	`+`
	`45`	`+## LICENSE`
	`46`	`+`
	`47`	`+[MIT](LICENSE)`
Original file line number	Diff line number	Diff line change
`@@ -14,6 +14,7 @@ require (`
`14`	`14`	`github.com/mattn/go-isatty v0.0.20 // indirect`
`15`	`15`	`github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect`
`16`	`16`	`github.com/stretchr/testify v1.10.0 // indirect`
	`17`	`+ github.com/strukturag/libheif v1.19.5 // indirect`
`17`	`18`	`github.com/wayneashleyberry/terminal-dimensions v1.1.0 // indirect`
`18`	`19`	`golang.org/x/term v0.27.0 // indirect`
`19`	`20`	`)`