start of alpha transparency support

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19459 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-03-04 02:12:28 +00:00
parent 0c543b7a19
commit acf8e3d29e
3 changed files with 238 additions and 390 deletions

View File

@@ -121,15 +121,13 @@ public:
#endif // wxUSE_PALETTE
wxMask *GetMask() const;
void SetMask(wxMask *mask) ;
void SetMask(wxMask *mask);
bool operator==(const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; }
bool operator!=(const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; }
#if wxUSE_DIB_FOR_BITMAP
// returns TRUE if this bitmap is a DIB (otherwise it's a DDB)
bool IsDIB() const;
#endif // wxUSE_DIB_FOR_BITMAP
// this function is internal and shouldn't be used, it risks to disappear
bool HasAlpha() const;
#if WXWIN_COMPATIBILITY_2_4
// these functions do nothing and are only there for backwards
@@ -154,8 +152,10 @@ public:
void SetHBITMAP(WXHBITMAP bmp) { SetHandle((WXHANDLE)bmp); }
WXHBITMAP GetHBITMAP() const { return (WXHBITMAP)GetHandle(); }
#ifdef __WXDEBUG__
void SetSelectedInto(wxDC *dc);
wxDC *GetSelectedInto() const;
#endif // __WXDEBUG__
// Creates a bitmap that matches the device context's depth, from an
// arbitray bitmap. At present, the original bitmap must have an associated