From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 27 Feb 2008 18:03:12 +0000 (+0000)
Subject: don't attempt to create 0*0 bitmaps in GetBuffer() (patch 1899643)
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/7c9f643a85d0f6c3e7d5a9270eb57dba750aaef8

don't attempt to create 0*0 bitmaps in GetBuffer() (patch 1899643)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52152 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/common/dcbufcmn.cpp b/src/common/dcbufcmn.cpp
index 4d4083603e..8c6c25b40e 100644
--- a/src/common/dcbufcmn.cpp
+++ b/src/common/dcbufcmn.cpp
@@ -59,6 +59,14 @@ public:
                     h > ms_buffer->GetHeight() )
         {
             delete ms_buffer;
+
+            // we must always return a valid bitmap but creating a bitmap of
+            // size 0 would fail, so create a 1*1 bitmap in this case
+            if ( !w )
+                w = 1;
+            if ( !h )
+                h = 1;
+
             ms_buffer = new wxBitmap(w, h);
         }