X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debff7aa47c6424b4890d64ccdac4223d8d5f9f1..e3f1b5b5350cce8527d38fc74979f5983ce07471:/wxPython/src/_image.i

diff --git a/wxPython/src/_image.i b/wxPython/src/_image.i
index a3e9547aed..ea4cca9f10 100644
--- a/wxPython/src/_image.i
+++ b/wxPython/src/_image.i
@@ -84,7 +84,7 @@ public:
     %name(ImageFromStream) wxImage(wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1);
     %name(ImageFromStreamMime) wxImage(wxInputStream& stream, const wxString& mimetype, int index = -1 );
     %extend {
-        %name(EmptyImage) wxImage(int width=0, int height=0, bool clear = True) {
+        %name(EmptyImage) wxImage(int width=0, int height=0, bool clear = true) {
             if (width > 0 && height > 0)
                 return new wxImage(width, height, clear);
             else
@@ -104,7 +104,25 @@ public:
                 return NULL;
             }
             memcpy(copy, data, width*height*3);
-            return new wxImage(width, height, copy, False);
+            return new wxImage(width, height, copy, false);
+        }
+        %name(ImageFromDataWithAlpha) wxImage(int width, int height,
+                                              unsigned char* data, unsigned char* alpha) {
+            // Copy the source data so the wxImage can clean it up later
+            unsigned char* dcopy = (unsigned char*)malloc(width*height*3);
+            if (dcopy == NULL) {
+                PyErr_NoMemory();
+                return NULL;
+            }
+            memcpy(dcopy, data, width*height*3);
+            unsigned char* acopy = (unsigned char*)malloc(width*height);
+            if (acopy == NULL) {
+                PyErr_NoMemory();
+                return NULL;
+            }
+            memcpy(acopy, alpha, width*height);
+            
+            return new wxImage(width, height, dcopy, acopy, false);
         }
     }
 
@@ -146,6 +164,17 @@ If the image image doesn't have alpha channel, ConvertAlphaToMask does
 nothing.", "");
     
 
+    DocDeclStr(
+        bool , ConvertColourToAlpha( unsigned char r, unsigned char g, unsigned char b ),
+        "This method converts an image where the original alpha information is
+only available as a shades of a colour (actually shades of grey)
+typically when you draw anti-aliased text into a bitmap. The DC
+drawing routines draw grey values on the black background although
+they actually mean to draw white with differnt alpha values.  This
+method reverses it, assuming a black (!) background and white text.
+The method will then fill up the whole image with the colour given.", "");
+    
+
     
     // Set image's mask to the area of 'mask' that has <mr,mg,mb> colour
     bool SetMaskFromImage(const wxImage & mask,
@@ -297,13 +326,13 @@ nothing.", "");
     unsigned char GetMaskRed();
     unsigned char GetMaskGreen();
     unsigned char GetMaskBlue();
-    void SetMask( bool mask = True );
+    void SetMask( bool mask = true );
     bool HasMask();
 
     wxImage Rotate(double angle, const wxPoint & centre_of_rotation,
-                   bool interpolating = True, wxPoint * offset_after_rotation = NULL) const ;
-    wxImage Rotate90( bool clockwise = True ) ;
-    wxImage Mirror( bool horizontally = True ) ;
+                   bool interpolating = true, wxPoint * offset_after_rotation = NULL) const ;
+    wxImage Rotate90( bool clockwise = true ) ;
+    wxImage Mirror( bool horizontally = true ) ;
 
     void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
                   unsigned char r2, unsigned char g2, unsigned char b2 );