diff options
Diffstat (limited to 'generic/tkImgPhoto.c')
| -rw-r--r-- | generic/tkImgPhoto.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c index 4084fc5..42647eb 100644 --- a/generic/tkImgPhoto.c +++ b/generic/tkImgPhoto.c @@ -15,7 +15,7 @@ * Department of Computer Science, * Australian National University. * - * RCS: @(#) $Id: tkImgPhoto.c,v 1.21 2000/08/21 22:45:15 ericm Exp $ + * RCS: @(#) $Id: tkImgPhoto.c,v 1.22 2000/11/21 16:18:05 dkf Exp $ */ #include "tkInt.h" @@ -4694,6 +4694,37 @@ Tk_PhotoSetSize(handle, width, height) /* *---------------------------------------------------------------------- * + * TkGetPhotoValidRegion -- + * + * This procedure is called to get the part of the photo where + * there is valid data. Or, conversely, the part of the photo + * which is transparent. + * + * Results: + * A TkRegion value that indicates the current area of the photo + * that is valid. This value should not be used after any + * modification to the photo image. + * + * Side Effects: + * None. + * + *---------------------------------------------------------------------- + */ + +TkRegion +TkPhotoGetValidRegion(handle) + Tk_PhotoHandle handle; /* Handle for the image whose valid region + * is to obtained. */ +{ + PhotoMaster *masterPtr; + + masterPtr = (PhotoMaster *) handle; + return masterPtr->validRegion; +} + +/* + *---------------------------------------------------------------------- + * * ImgGetPhoto -- * * This procedure is called to obtain image data from a photo |