Fix alpha channel values when using wxGCDC with wxMemoryDC in wxMSW.

Ensure that 32bpp bitmaps selected in wxMemoryDC use DIB for their internal
representation as GDI+ functions don't seem to work correctly with DDBs with
alpha channel.

Closes #13328.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75765 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2014-02-02 01:15:27 +00:00
parent 60d87bbc65
commit 9ce54f4fea
4 changed files with 127 additions and 14 deletions

View File

@@ -613,6 +613,7 @@ wxMSW:
- Disable the use of compiler TLS to avoid mysterious crashes in plugins.
- Fix blank wxBitmapComboBox dropdown appearance.
- Fix clicking on checkboxes in wxDataViewCtrl.
- Many improvements to alpha transparency handling (Artur Wieczorek).
- Make "%lu" work with size_t arguments under Win64 (laro).
- Fix wxRegion::Offset() with shared objects (Joost Nieuwenhuijse).
- Fix wxSocket::Initialize() after Shutdown() (Laurent Poujoulat).