add support for alpha in color dialog on OSX, see #14127

[wxWidgets.git] / src / common / bmpbase.cpp

diff --git a/src/common/bmpbase.cpp b/src/common/bmpbase.cpp
index 34bf85608ed8911b2be3e0a6d818d06f1a0e4a19..46804febbd8436d329f880f9098bb8f17fd92500 100644 (file)
--- a/src/common/bmpbase.cpp
+++ b/src/common/bmpbase.cpp
@@ -23,6 +23,12 @@
     #include "wx/image.h"
 #endif // WX_PRECOMP
 
+#if wxUSE_IMAGE && wxUSE_LIBPNG && wxUSE_STREAMS
+    #define wxHAS_PNG_LOAD
+
+    #include "wx/mstream.h"
+#endif
+
 // ----------------------------------------------------------------------------
 // wxVariant support
 // ----------------------------------------------------------------------------
@@ -37,6 +43,31 @@ IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(wxIcon,WXDLLEXPORT)
 //WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxIcon>)
 #endif
 
+// ----------------------------------------------------------------------------
+// wxBitmapHelpers
+// ----------------------------------------------------------------------------
+
+// wxOSX has a native version and doesn't use this one.
+
+#ifndef __WXOSX__
+
+/* static */
+wxBitmap wxBitmapHelpers::NewFromPNGData(const void* data, size_t size)
+{
+    wxBitmap bitmap;
+
+#ifdef wxHAS_PNG_LOAD
+    wxMemoryInputStream is(data, size);
+    wxImage image(is, wxBITMAP_TYPE_PNG);
+    if ( image.IsOk() )
+        bitmap = wxBitmap(image);
+#endif // wxHAS_PNG_LOAD
+
+    return bitmap;
+}
+
+#endif // !__WXOSX__
+
 // ----------------------------------------------------------------------------
 // wxBitmapBase
 // ----------------------------------------------------------------------------