corrected misleading comment about DllGetVersion()

[wxWidgets.git] / src / mgl / bitmap.cpp

diff --git a/src/mgl/bitmap.cpp b/src/mgl/bitmap.cpp
index 12e0bbeac94ad34ac0778fab957e8dc79dae753c..b8a3f3906d172c2060adb08f78db91aa91a6c4bc 100644 (file)
--- a/src/mgl/bitmap.cpp
+++ b/src/mgl/bitmap.cpp
@@ -2,11 +2,11 @@
 // Name:        bitmap.cpp
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
-// Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
+// Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "bitmap.h"
 #endif
 
@@ -281,7 +281,7 @@ bool wxBitmap::CreateFromXpm(const char **bits)
     return TRUE;
 }
 
-wxBitmap::wxBitmap(const wxImage& image, int depth = -1)
+wxBitmap::wxBitmap(const wxImage& image, int depth)
 {
     long width, height;
 
@@ -317,7 +317,7 @@ wxBitmap::wxBitmap(const wxImage& image, int depth = -1)
 
 wxImage wxBitmap::ConvertToImage() const
 {
-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
+    wxCHECK_MSG( Ok(), wxImage(), wxT("invalid bitmap") );
 
     int width, height;
     width = GetWidth();
@@ -845,8 +845,8 @@ bool wxPNGBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name,
             s = ((wxUint32*)bmp->surface) + y * bmp->bytesPerLine/4;
             for (x = 0; x < bmp->width; x++, s ++)
             {
-                if ( ((((*s) >> bmp->pf->rsvdPos) & bmp->pf->rsvdMask) 
-                        << bmp->pf->rsvdAdjust) < 128 )
+                if ( ((((*s) >> bmp->pf->alphaPos) & bmp->pf->alphaMask) 
+                        << bmp->pf->alphaAdjust) < 128 )
                     *s = 0;
                 else
                     *s = 0x00FFFFFF; // white