Implemented wxBitmap::HasAlpha() and ::UseAlpha().

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32086 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-02-15 20:27:46 +00:00
parent a4ea2d8dbb
commit 0ff2a74d0c
5 changed files with 41 additions and 6 deletions
--- a/docs/latex/wx/bitmap.tex
+++ b/docs/latex/wx/bitmap.tex
@@ -3,7 +3,7 @@
 %\overview{Overview}{wxbitmapoverview}
 %
 This class encapsulates the concept of a platform-dependent bitmap,
-either monochrome or colour.
+either monochrome or colour or colour with alpha channel support.

 \wxheading{Derived from}

@@ -72,7 +72,8 @@ bitmaps from static data.

 Creates a new bitmap. A depth of -1 indicates the depth of the current screen
 or visual. Some platforms only support 1 for monochrome and -1 for the current
-colour setting.
+colour setting. Beginning with version 2.5.4 of wxWidgets a depth if 32 including
+an alpha channel is supported under MSW, Mac and GTK+.

 \func{}{wxBitmap}{\param{const char**}{ bits}}