IsTransparent and etc.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33322 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/wxPython/src/_image.i b/wxPython/src/_image.i
index cb39a8c0a372012c1e0c7c9f267cb5ed256d6303..36cef9cdfac4d2573dd407ff1342dda04c9cda34 100644 (file)
--- a/wxPython/src/_image.i
+++ b/wxPython/src/_image.i
@@ -19,6 +19,15 @@
 #include "wx/wxPython/pyistream.h"
 %}
 
 #include "wx/wxPython/pyistream.h"
 %}
 

+//---------------------------------------------------------------------------
+
+enum {
+    wxIMAGE_ALPHA_TRANSPARENT,
+    wxIMAGE_ALPHA_THRESHOLD,
+    wxIMAGE_ALPHA_OPAQUE
+};
+
+

 //---------------------------------------------------------------------------
 %newgroup
 
 //---------------------------------------------------------------------------
 %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.", "");
 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
     
     
     // find first colour that is not used in the image and has higher


@@ -271,7 +287,7 @@ success flag and rgb values.", "");
 
     
     DocDeclStr(
 
     
     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
         "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