From 8d848e4fd32bdda554af3dd22918b3cfa66e8044 Mon Sep 17 00:00:00 2001
From: hobbs <hobbs>
Date: Mon, 3 May 2004 17:59:21 +0000
Subject: 	* generic/tkImgPhoto.c (ImgPhotoConfigureMaster): force -data
 into 	ByteArray and -format into String to correctly handle them if they 
 have been shimmered or created as some other object type. 	(ImgPhotoCmd):
 correctly init matched to 0.

---
 ChangeLog            |  7 +++++++
 generic/tkImgPhoto.c | 19 ++++++++++++++-----
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d1848cd..78e9efb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2004-05-03  Jeff Hobbs  <jeffh@ActiveState.com>
+
+	* generic/tkImgPhoto.c (ImgPhotoConfigureMaster): force -data into
+	ByteArray and -format into String to correctly handle them if they
+	have been shimmered or created as some other object type.
+	(ImgPhotoCmd): correctly init matched to 0.
+
 2004-04-20  Joe English  <jenglish@users.sourceforge.net>
 
 	* unix/tkUnixWm.c: Backported fix for bug #915350  
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c
index a969082..eea00ef 100644
--- a/generic/tkImgPhoto.c
+++ b/generic/tkImgPhoto.c
@@ -17,7 +17,7 @@
  *	   Department of Computer Science,
  *	   Australian National University.
  *
- * RCS: @(#) $Id: tkImgPhoto.c,v 1.36.2.6 2004/03/26 22:01:26 dkf Exp $
+ * RCS: @(#) $Id: tkImgPhoto.c,v 1.36.2.7 2004/05/03 17:59:21 hobbs Exp $
  */
 
 #include "tkInt.h"
@@ -947,6 +947,7 @@ ImgPhotoCmd(clientData, interp, objc, objv)
 		    }
 		}
 	    }
+	    matched = 0;
 	    if (stringWriteProc == NULL) {
 		oldformat = 1;
 		for (imageFormat = tsdPtr->oldFormatList; imageFormat != NULL;
@@ -1954,9 +1955,12 @@ ImgPhotoConfigureMaster(interp, masterPtr, objc, objv, flags)
 	masterPtr->fileString = NULL;
     }
     if (data) {
-	if (data->length
-		|| (data->typePtr == Tcl_GetObjType("bytearray")
-			&& data->internalRep.otherValuePtr != NULL)) {
+	/*
+	 * Force into ByteArray format, which most (all) image handlers
+	 * will use anyway.  Empty length means ignore the -data option.
+	 */
+	(void) Tcl_GetByteArrayFromObj(data, &length);
+	if (length) {
 	    Tcl_IncrRefCount(data);
 	} else {
 	    data = NULL;
@@ -1967,7 +1971,12 @@ ImgPhotoConfigureMaster(interp, masterPtr, objc, objv, flags)
 	masterPtr->dataString = data;
     }
     if (format) {
-	if (format->length) {
+	/*
+	 * Stringify to ignore -format "".  It may come in as a list or
+	 * other object.
+	 */
+	(void) Tcl_GetStringFromObj(format, &length);
+	if (length) {
 	    Tcl_IncrRefCount(format);
 	} else {
 	    format = NULL;
-- 
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