Provide image width and height to image-info script; fixes issue #159

exec/image-info

@@ -1,16 +1,19 @@
 #!/bin/sh
 
 # Example for $XDG_CONFIG_HOME/sxiv/exec/image-info
-# Called by sxiv(1) whenever an image gets loaded,
-# with the name of the image file as its first argument.
+# Called by sxiv(1) whenever an image gets loaded.
 # The output is displayed in sxiv's status bar.
+# Arguments:
+#   $1: path to image file
+#   $2: image width
+#   $3: image height
 
 s=" | " # field separator
 
 filename=$(basename -- "$1")
 filesize=$(du -Hh -- "$1" | cut -f 1)
 
-geometry=$(identify -format '%wx%h' ":$1[0]")
+geometry="${2}x${3}"
 tags=$(identify -format '%[IPTC:2:25]' ":$1" | tr ';' ',')
 
 echo "${filesize}${s}${geometry}${tags:+$s}${tags}${s}${filename}"

main.c

@@ -224,6 +224,7 @@ void open_info(void)
 {
 	static pid_t pid;
 	int pfd[2];
+	char w[12], h[12];
 
 	if (info.f.err != 0 || info.open || win.bar.h == 0)
 		return;
@@ -239,7 +240,9 @@ void open_info(void)
 	if ((pid = fork()) == 0) {
 		close(pfd[0]);
 		dup2(pfd[1], 1);
-		execl(info.f.cmd, info.f.cmd, files[fileidx].name, NULL);
+		snprintf(w, sizeof(w), "%d", img.w);
+		snprintf(h, sizeof(h), "%d", img.h);
+		execl(info.f.cmd, info.f.cmd, files[fileidx].name, w, h, NULL);
 		error(EXIT_FAILURE, errno, "exec: %s", info.f.cmd);
 	}
 	close(pfd[1]);

sxiv.1

@@ -366,7 +366,8 @@ The information displayed on the left side of the status bar can be replaced
 with the output of a user-provided script, which is called by sxiv whenever an
 image gets loaded. The path of this script is
 .I $XDG_CONFIG_HOME/sxiv/exec/image-info
-and the first argument to this script is the path of the loaded image.
+and the arguments given to it are: 1) path to image file, 2) image width,
+3) image height.
 .P
 There is also an example script installed together with sxiv as
 .IR PREFIX/share/sxiv/exec/image-info .