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-rw-r--r--generic/tkCanvLine.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tkCanvLine.c b/generic/tkCanvLine.c
index a001677..408ef7c 100644
--- a/generic/tkCanvLine.c
+++ b/generic/tkCanvLine.c
@@ -700,10 +700,10 @@ ComputeLineBbox(
width = 1.0;
}
if (linePtr->arrow != ARROWS_NONE) {
- if (linePtr->arrow != ARROWS_LAST) {
+ if (linePtr->arrow != ARROWS_LAST && linePtr->firstArrowPtr) {
TkIncludePoint((Tk_Item *) linePtr, linePtr->firstArrowPtr);
}
- if (linePtr->arrow != ARROWS_FIRST) {
+ if (linePtr->arrow != ARROWS_FIRST && linePtr->lastArrowPtr) {
TkIncludePoint((Tk_Item *) linePtr, linePtr->lastArrowPtr);
}
}