From ad601c46d19c61decff635f773d5bc99f522e4d1 Mon Sep 17 00:00:00 2001
From: Rodrigo Braz Monteiro <zeratul@cellosoft.com>
Date: Sun, 29 Jul 2007 09:15:32 +0000
Subject: [PATCH] Issue #504 - Fixed crash with rotation tools if no line was
 available for visual typesetting.

Originally committed to SVN as r1457.
---
 aegisub/visual_tool.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/aegisub/visual_tool.cpp b/aegisub/visual_tool.cpp
index 2de4e372c..08c989d44 100644
--- a/aegisub/visual_tool.cpp
+++ b/aegisub/visual_tool.cpp
@@ -340,6 +340,8 @@ void VisualTool::GetLinePosition(AssDialogue *diag,int &x, int &y, int &orgx, in
 	if (!diag) {
 		x = -1;
 		y = -1;
+		orgx = -1;
+		orgy = -1;
 		return;
 	}
 
@@ -496,6 +498,9 @@ void VisualTool::GetLineRotation(AssDialogue *diag,float &rx,float &ry,float &rz
 	// Default values
 	rx = ry = rz = 0.0f;
 
+	// No dialogue
+	if (!diag) return;
+
 	// Prepare overrides
 	diag->ParseASSTags();
 	AssDialogueBlockOverride *override;