X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/945c909da9a8ee487da102b8806b6fd76b5f6849..8995db52f311ef389652b0ac3aff39bde723c5ac:/src/common/image.cpp

diff --git a/src/common/image.cpp b/src/common/image.cpp
index cc63e385c1..4fb2b0c254 100644
--- a/src/common/image.cpp
+++ b/src/common/image.cpp
@@ -1857,6 +1857,17 @@ void wxImage::InitAlpha()
     }
 }
 
+void wxImage::ClearAlpha()
+{
+    wxCHECK_RET( HasAlpha(), wxT("image already doesn't have an alpha channel") );
+
+    if ( !M_IMGDATA->m_staticAlpha )
+        free( M_IMGDATA->m_alpha );
+
+    M_IMGDATA->m_alpha = NULL;
+}
+
+
 // ----------------------------------------------------------------------------
 // mask support
 // ----------------------------------------------------------------------------
@@ -2341,8 +2352,6 @@ bool wxImage::DoLoad(wxImageHandler& handler, wxInputStream& stream, int index)
     if ( !handler.LoadFile(this, stream, true/*verbose*/, index) )
         return false;
 
-    M_IMGDATA->m_type = handler.GetType();
-
     // rescale the image to the specified size if needed
     if ( maxWidth || maxHeight )
     {
@@ -2363,6 +2372,9 @@ bool wxImage::DoLoad(wxImageHandler& handler, wxInputStream& stream, int index)
             Rescale(width, height, wxIMAGE_QUALITY_HIGH);
     }
 
+    // Set this after Rescale, which currently does not preserve it
+    M_IMGDATA->m_type = handler.GetType();
+
     return true;
 }