[aseprite] 35/64: Add some log information why WTInfo might fail

[Tobias Hansen]

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thansen pushed a commit to branch master
in repository aseprite.

commit c875e24928430eb5bf65bd4d2f99864a83cbc2de
Author: David Capello <davidcapello at gmail.com>
Date:   Tue May 17 16:11:40 2016 -0300

    Add some log information why WTInfo might fail
---
 src/she/win/pen.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/she/win/pen.cpp b/src/she/win/pen.cpp
index 9baca48..f76d50d 100644
--- a/src/she/win/pen.cpp
+++ b/src/she/win/pen.cpp
@@ -50,9 +50,21 @@ HCTX PenAPI::open(HWND hwnd)
   LOGCONTEXTW logctx;
   memset(&logctx, 0, sizeof(LOGCONTEXTW));
   UINT infoRes = WTInfo(WTI_DEFSYSCTX, 0, &logctx);
+
+  // TODO Sometimes we receive infoRes=88 from WTInfo and logctx.lcOptions=0
+  //      while sizeof(LOGCONTEXTW) is 212
   ASSERT(infoRes == sizeof(LOGCONTEXTW));
   ASSERT(logctx.lcOptions & CXO_SYSTEM);
 
+  if (infoRes != sizeof(LOGCONTEXTW)) {
+    LOG("Not supported WTInfo:\n"
+        "  Expected context size: %d\n"
+        "  Actual context size: %d (options %d)\n",
+        sizeof(LOGCONTEXTW),
+        infoRes, logctx.lcOptions);
+    return nullptr;
+  }
+
   logctx.lcOptions =
     CXO_SYSTEM |
     CXO_MESSAGES |

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