From 1eee97f459cc2ece29cf94be84f4b0ff82a716e4 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Thu, 31 May 2001 01:20:37 +0000
Subject: [PATCH] fix bug with accessing invalid texture

---
 pandatool/src/egg-palettize/destTextureImage.cxx | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/pandatool/src/egg-palettize/destTextureImage.cxx b/pandatool/src/egg-palettize/destTextureImage.cxx
index 7f7a0b2611..f627d6d3e6 100644
--- a/pandatool/src/egg-palettize/destTextureImage.cxx
+++ b/pandatool/src/egg-palettize/destTextureImage.cxx
@@ -70,10 +70,18 @@ DestTextureImage(TexturePlacement *placement) {
 void DestTextureImage::
 copy(TextureImage *texture) {
   const PNMImage &source_image = texture->read_source_image();
-  PNMImage dest_image(_x_size, _y_size, texture->get_num_channels(),
-                      source_image.get_maxval());
-  dest_image.quick_filter_from(source_image);
-  write(dest_image);
+  if (source_image.is_valid()) {
+    PNMImage dest_image(_x_size, _y_size, texture->get_num_channels(),
+                        source_image.get_maxval());
+    dest_image.quick_filter_from(source_image);
+    write(dest_image);
+
+  } else {
+    // Couldn't read the texture, so fill it with red.
+    PNMImage dest_image(_x_size, _y_size, texture->get_num_channels());
+    dest_image.fill(1.0, 0.0, 0.0);
+    write(dest_image);
+  }
 }
 
 ////////////////////////////////////////////////////////////////////