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Diffstat (limited to 'doc/photo.n')
| -rw-r--r-- | doc/photo.n | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/photo.n b/doc/photo.n index c49d2a1..00c2133 100644 --- a/doc/photo.n +++ b/doc/photo.n @@ -9,7 +9,7 @@ '\" Department of Computer Science, '\" Australian National University. '\" -'\" RCS: @(#) $Id: photo.n,v 1.4 2000/01/26 21:11:00 ericm Exp $ +'\" RCS: @(#) $Id: photo.n,v 1.5 2000/05/23 00:31:36 hobbs Exp $ '\" .so man.macros .TH photo n 4.0 Tk "Tk Built-In Commands" @@ -198,16 +198,16 @@ information. In all transparent pixels the color will be replaced by the specified color. .TP \fB\-format\fI format-name\fR -Specifies the name of the image file format handler to be used to -write the data to the file. Specifically, this subcommand searches +Specifies the name of the image file format handler to be used. +Specifically, this subcommand searches for the first handler whose name matches a initial substring of -\fIformat-name\fR and which has the capability to write an image -file. If this option is not given, this subcommand uses the first -handler that has the capability to write an image file. +\fIformat-name\fR and which has the capability to read this image data. +If this option is not given, this subcommand uses the first +handler that has the capability to read the image data. .TP \fB\-from \fIx1 y1 x2 y2\fR -Specifies a rectangular region of \fIimageName\fR to be written to the -image file. If only \fIx1\fR and \fIy1\fR are specified, the region +Specifies a rectangular region of \fIimageName\fR to be returned. +If only \fIx1\fR and \fIy1\fR are specified, the region extends from \fI(x1,y1)\fR to the bottom-right corner of \fIimageName\fR. If all four coordinates are given, they specify diagonally opposite corners of the rectangular region. The default, |