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Use ConvertAlphaToMask

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28902 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2004-08-25 21:57:16 +00:00
parent 15f800071d
commit c0d9c29dbe
1 changed files with 5 additions and 3 deletions
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8
wxPython/demo/ImageAlpha.py
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@@ -5,7 +5,7 @@ from Main import opj
#---------------------------------------------------------------------- #----------------------------------------------------------------------
msg = "This is some text that will appear behind the image..." msg = "Some text will appear in the image's shadow..."
class TestPanel(wx.Panel): class TestPanel(wx.Panel):
def __init__(self, parent, log): def __init__(self, parent, log):
@@ -26,8 +26,10 @@ class TestPanel(wx.Panel):
bmp = wx.Bitmap(opj('bitmaps/toucan.png')) bmp = wx.Bitmap(opj('bitmaps/toucan.png'))
if "__WXGTK__" in wx.PlatformInfo: if "__WXGTK__" in wx.PlatformInfo:
# try to make up for it a bit... # try to make up for lack of alpha support a bit...
bmp.SetMaskColour("black") img = bmp.ConvertToImage()
img.ConvertAlphaToMask(220) #threshold below which alpha will be made fully transparent
bmp = img.ConvertToBitmap()
dc.DrawBitmap(bmp, 25,100, True) dc.DrawBitmap(bmp, 25,100, True)