X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d8194e5dd4fc56bb4e8a4dccb1dae9500c6be584..dad65e8abce518c5cf0bff166dbaee2b8f85d35d:/wxPython/src/_image.i

diff --git a/wxPython/src/_image.i b/wxPython/src/_image.i
index cb39a8c0a3..36cef9cdfa 100644
--- a/wxPython/src/_image.i
+++ b/wxPython/src/_image.i
@@ -19,6 +19,15 @@
 #include "wx/wxPython/pyistream.h"
 %}
 
+//---------------------------------------------------------------------------
+
+enum {
+    wxIMAGE_ALPHA_TRANSPARENT,
+    wxIMAGE_ALPHA_THRESHOLD,
+    wxIMAGE_ALPHA_OPAQUE
+};
+
+
 //---------------------------------------------------------------------------
 %newgroup
 
@@ -257,6 +266,13 @@ length of the data must be width*height*3.", "",
 the image already has alpha data. If it doesn't, alpha data will be by
 default initialized to all pixels being fully opaque. But if the image
 has a a mask colour, all mask pixels will be completely transparent.", "");
+
+
+    DocDeclStr(
+        bool , IsTransparent(int x, int y,
+                             unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD) const,
+        "Returns True if this pixel is masked or has an alpha value less than
+the spcified threshold.", "");
     
     
     // find first colour that is not used in the image and has higher
@@ -271,7 +287,7 @@ success flag and rgb values.", "");
 
     
     DocDeclStr(
-        bool , ConvertAlphaToMask(byte threshold = 128),
+        bool , ConvertAlphaToMask(byte threshold = wxIMAGE_ALPHA_THRESHOLD),
         "If the image has alpha channel, this method converts it to mask. All pixels
 with alpha value less than ``threshold`` are replaced with mask colour and the
 alpha channel is removed. Mask colour is chosen automatically using