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fixed rendering of bitmaps with alpha channel under GTK+ 2.0

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30525 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2004-11-14 23:03:51 +00:00
parent 1df61962e8
commit 1abedc328b
2 changed files with 16 additions and 0 deletions
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8
src/gtk/dcclient.cpp
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@@ -1079,6 +1079,14 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
wxBitmap use_bitmap = bitmap;
if ((w != ww) || (h != hh))
use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
#if !GTK_CHECK_VERSION(2,2,0)
// NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
// Pixbufs-based bitmaps with alpha channel don't have a mask, so we
// have to call GetPixmap() here -- it converts the pixbuf into pixmap
// and also creates the mask as a side-effect:
use_bitmap.GetPixmap();
#endif
// apply mask if any
GdkBitmap *mask = (GdkBitmap *) NULL;

8
src/gtk1/dcclient.cpp
View File

@@ -1079,6 +1079,14 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
wxBitmap use_bitmap = bitmap;
if ((w != ww) || (h != hh))
use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
#if !GTK_CHECK_VERSION(2,2,0)
// NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
// Pixbufs-based bitmaps with alpha channel don't have a mask, so we
// have to call GetPixmap() here -- it converts the pixbuf into pixmap
// and also creates the mask as a side-effect:
use_bitmap.GetPixmap();
#endif
// apply mask if any
GdkBitmap *mask = (GdkBitmap *) NULL;