add a critical section protecting ms_prev variables (replaces patch 1819224)

[wxWidgets.git] / include / wx / msw / bitmap.h

diff --git a/include/wx/msw/bitmap.h b/include/wx/msw/bitmap.h
index 332da5790c3dde353f46705f967ecad12b6cbb5f..8c239785afd8444e11ad0a35b334fbe8fbf37c09 100644 (file)
--- a/include/wx/msw/bitmap.h
+++ b/include/wx/msw/bitmap.h
@@ -13,23 +13,31 @@
 #define _WX_BITMAP_H_
 
 #include "wx/msw/gdiimage.h"
-#include "wx/gdicmn.h"
 #include "wx/palette.h"
 
-class WXDLLEXPORT wxBitmap;
-class WXDLLEXPORT wxBitmapHandler;
-class WXDLLEXPORT wxBitmapRefData;
-class WXDLLEXPORT wxControl;
-class WXDLLEXPORT wxCursor;
-class WXDLLEXPORT wxDC;
+class WXDLLIMPEXP_FWD_CORE wxBitmap;
+class WXDLLIMPEXP_FWD_CORE wxBitmapHandler;
+class WXDLLIMPEXP_FWD_CORE wxBitmapRefData;
+class WXDLLIMPEXP_FWD_CORE wxControl;
+class WXDLLIMPEXP_FWD_CORE wxCursor;
+class WXDLLIMPEXP_FWD_CORE wxDC;
 #if wxUSE_WXDIB
-class WXDLLEXPORT wxDIB;
+class WXDLLIMPEXP_FWD_CORE wxDIB;
 #endif
-class WXDLLEXPORT wxIcon;
-class WXDLLEXPORT wxImage;
-class WXDLLEXPORT wxMask;
-class WXDLLEXPORT wxPalette;
-class WXDLLEXPORT wxPixelDataBase;
+class WXDLLIMPEXP_FWD_CORE wxIcon;
+class WXDLLIMPEXP_FWD_CORE wxImage;
+class WXDLLIMPEXP_FWD_CORE wxMask;
+class WXDLLIMPEXP_FWD_CORE wxPalette;
+class WXDLLIMPEXP_FWD_CORE wxPixelDataBase;
+
+// What kind of transparency should a bitmap copied from an icon or cursor
+// have?
+enum wxBitmapTransparency
+{
+  wxBitmapTransparency_Auto,    // default: copy alpha if the source has it
+  wxBitmapTransparency_None,    // never create alpha
+  wxBitmapTransparency_Always   // always use alpha
+};
 
 // ----------------------------------------------------------------------------
 // wxBitmap: a mono or colour bitmap
@@ -46,6 +54,12 @@ public:
 
     // Initialize with XPM data
     wxBitmap(const char* const* data);
+#ifdef wxNEEDS_CHARPP
+    wxBitmap(char** data)
+    {
+        *this = wxBitmap(wx_const_cast(const char* const*, data));
+    }
+#endif
 
     // Load a file or resource
     wxBitmap(const wxString& name, wxBitmapType type = wxBITMAP_TYPE_BMP_RESOURCE);
@@ -75,7 +89,11 @@ public:
 
     // we must have this, otherwise icons are silently copied into bitmaps using
     // the copy ctor but the resulting bitmap is invalid!
-    wxBitmap(const wxIcon& icon) { CopyFromIcon(icon); }
+    wxBitmap(const wxIcon& icon,
+             wxBitmapTransparency transp = wxBitmapTransparency_Auto)
+    {
+        CopyFromIcon(icon, transp);
+    }
 
     wxBitmap& operator=(const wxIcon& icon)
     {
@@ -100,11 +118,17 @@ public:
     // get the given part of bitmap
     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 
+    // NB: This should not be called from user code. It is for wx internal
+    // use only. 
+    wxBitmap GetSubBitmapOfHDC( const wxRect& rect, WXHDC hdc ) const;
+
     // copies the contents and mask of the given (colour) icon to the bitmap
-    bool CopyFromIcon(const wxIcon& icon);
+    bool CopyFromIcon(const wxIcon& icon,
+                      wxBitmapTransparency transp = wxBitmapTransparency_Auto);
 
     // copies the contents and mask of the given cursor to the bitmap
-    bool CopyFromCursor(const wxCursor& cursor);
+    bool CopyFromCursor(const wxCursor& cursor,
+                        wxBitmapTransparency transp = wxBitmapTransparency_Auto);
 
 #if wxUSE_WXDIB
     // copies from a device independent bitmap
@@ -133,21 +157,11 @@ public:
     wxBitmap GetMaskBitmap() const;
     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; }
-
     // these functions are internal and shouldn't be used, they risk to
     // disappear in the future
     bool HasAlpha() const;
     void UseAlpha();
 
-#if WXWIN_COMPATIBILITY_2_4
-    // these functions do nothing and are only there for backwards
-    // compatibility
-    wxDEPRECATED( int GetQuality() const );
-    wxDEPRECATED( void SetQuality(int quality) );
-#endif // WXWIN_COMPATIBILITY_2_4
-
     // implementation only from now on
     // -------------------------------
 
@@ -180,7 +194,9 @@ protected:
 
 private:
     // common part of CopyFromIcon/CopyFromCursor for Win32
-    bool CopyFromIconOrCursor(const wxGDIImage& icon);
+    bool
+    CopyFromIconOrCursor(const wxGDIImage& icon,
+                         wxBitmapTransparency transp = wxBitmapTransparency_Auto);
 
 
     DECLARE_DYNAMIC_CLASS(wxBitmap)
@@ -195,6 +211,9 @@ class WXDLLEXPORT wxMask : public wxObject
 public:
     wxMask();
 
+    // Copy constructor
+    wxMask(const wxMask &mask);
+
     // Construct a mask from a bitmap and a colour indicating the transparent
     // area
     wxMask(const wxBitmap& bitmap, const wxColour& colour);
@@ -232,7 +251,7 @@ protected:
 class WXDLLEXPORT wxBitmapHandler : public wxGDIImageHandler
 {
 public:
-    wxBitmapHandler() { m_type = wxBITMAP_TYPE_INVALID; }
+    wxBitmapHandler() { }
     wxBitmapHandler(const wxString& name, const wxString& ext, long type)
         : wxGDIImageHandler(name, ext, type)
     {