diff options
Diffstat (limited to 'doc/photo.n')
| -rw-r--r-- | doc/photo.n | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/doc/photo.n b/doc/photo.n index 54fc053..7acf3fa 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 1.13 2002/12/17 15:28:19 dkf Exp $ +'\" RCS: @(#) $Id: photo.n,v 1.14 2003/01/19 07:50:58 hobbs Exp $ '\" .so man.macros .TH photo n 4.0 Tk "Tk Built-In Commands" @@ -256,26 +256,12 @@ Specifically, only image file format handlers whose names begin with \fIformat-name\fR will be used while searching for an image data format handler to read the data. .TP -\fB\-from \fIx1 y1 x2 y2\fR -Specifies a rectangular sub-region of the image file data to be -returned. If only \fIx1\fR and \fIy1\fR are specified, the region -extends from (\fIx1,y1\fR) to the bottom-right corner of the image -in the image file. If all four coordinates are specified, they -specify diagonally opposite corners or the region. The default, -if this option is not specified, is the whole of the image. -.TP -\fB\-shrink\fR -If this option, the size of \fIimageName\fR will be reduced, if -necessary, so that the region into which the image file data are read -is at the bottom-right corner of the \fIimageName\fR. This option -will not affect the width or height of the image if the user has -specified a non-zero value for the \fB\-width\fR or \fB\-height\fR -configuration option, respectively. -.TP -\fB\-to \fIx y\fR -Specifies the coordinates of the top-left corner of the region of -\fIimageName\fR into which data from \fIfilename\fR are to be read. -The default is (0,0). +\fB\-to \fIx1 y1\fR ?\fIx2 y2\fR? +Specifies the coordinates of the top-left corner (\fIx1\fR,\fIy1\fR) of the +region of \fIimageName\fR into which data from \fIfilename\fR are to be +read. The default is (0,0). If \fIx2\fR,\fIy2\fR is given and \fIdata\fR +is one color value, then a region extending to the bottom-right corner +represented by (\fIx2\fR,\fIy2\fR) will be filled with that color. .RE .TP \fIimageName \fBread\fR \fIfilename\fR ?\fIoption value(s) ...\fR? |