Return (0,0,0,0) rectangle if clipping region is empty

When clipping region is empty, CGContextGetClipBoundingBox() returns (+Inf,+Inf,0,0) rectangle but we need to return (0,0,0,0) rectangle in this case. See #17609.
2017-07-02 15:06:06 +02:00
parent c55bbdf700
commit 715608fe6a
1 changed files with 5 additions and 0 deletions
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -1925,6 +1925,11 @@ void wxMacCoreGraphicsContext::GetClipBox(wxDouble* x, wxDouble* y, wxDouble* w,
    // wxFAIL_MSG( "Needs a valid context for clipping" );
 #endif
    }
+
+    if ( CGRectIsEmpty(r) )
+    {
+        r = CGRectZero;
+    }
    CheckInvariants();

    if ( x )