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authorjan.nijtmans <nijtmans@users.sourceforge.net>2013-10-31 09:35:23 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2013-10-31 09:35:23 (GMT)
commitcbb12f8e904ca926c14cba9d41e99aa6f48c8e90 (patch)
treee5e161c5e4f4b4e2d46f95e3c615a4a5b1eb27bc /generic
parent3f70347b4b061f2da308565d2a850d5f0fdf8dcf (diff)
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Fix [c0cc9fd153]: PNG parser does not support uppercase format string (using -format)
Diffstat (limited to 'generic')
-rw-r--r--generic/tkImgPNG.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/generic/tkImgPNG.c b/generic/tkImgPNG.c
index f639694..8a740d2 100644
--- a/generic/tkImgPNG.c
+++ b/generic/tkImgPNG.c
@@ -2283,10 +2283,10 @@ ParseFormat(
Tcl_Obj **objv = NULL;
int objc = 0;
static const char *const fmtOptions[] = {
- "png", "-alpha", NULL
+ "-alpha", NULL
};
enum fmtOptions {
- OPT_PNG, OPT_ALPHA
+ OPT_ALPHA
};
/*
@@ -2299,33 +2299,30 @@ ParseFormat(
}
for (; objc>0 ; objc--, objv++) {
- int optIndex;
-
- if (Tcl_GetIndexFromObjStruct(interp, objv[0], fmtOptions,
- sizeof(char *), "option", 0, &optIndex) == TCL_ERROR) {
- return TCL_ERROR;
- }
+ int optIndex;
/*
* Ignore the "png" part of the format specification.
*/
- if (OPT_PNG == optIndex) {
+ if (!strcasecmp(Tcl_GetString(objv[0]), "png")) {
continue;
}
- if (objc < 2) {
+ if (Tcl_GetIndexFromObjStruct(interp, objv[0], fmtOptions,
+ sizeof(char *), "option", 0, &optIndex) == TCL_ERROR) {
+ return TCL_ERROR;
+ }
+
+ if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "value");
return TCL_ERROR;
- }
+ }
objc--;
objv++;
switch ((enum fmtOptions) optIndex) {
- case OPT_PNG:
- break;
-
case OPT_ALPHA:
if (Tcl_GetDoubleFromObj(interp, objv[0],
&pngPtr->alpha) == TCL_ERROR) {