Added support for saving PNG files with palette.

Based on (heavily modified) patch by troelsk. Closes #12505. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66552 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2011-01-03 22:22:16 +00:00
parent 41514cc474
commit 8ee313d2be
5 changed files with 294 additions and 43 deletions
--- a/include/wx/imagpng.h
+++ b/include/wx/imagpng.h
@@ -33,7 +33,8 @@ enum
 {
    wxPNG_TYPE_COLOUR = 0,
    wxPNG_TYPE_GREY = 2,
-    wxPNG_TYPE_GREY_RED = 3
+    wxPNG_TYPE_GREY_RED = 3,
+    wxPNG_TYPE_PALETTE = 4
 };

 class WXDLLIMPEXP_CORE wxPNGHandler: public wxImageHandler