]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/dib.cpp
Enable the correct code making sure that subwindows will always receive a wxSizeEvent...
[wxWidgets.git] / src / msw / dib.cpp
index f79d16a1132704059b1f87ab9a8926b5288931f4..35ddb6d72fe3b33bb76fd1c77b933ba3ba50b428 100644 (file)
@@ -45,7 +45,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#if !defined(__MWERKS__) && !defined(__SALFORDC__)
+#if !defined(__MWERKS__)
     #include <memory.h>
 #endif
 
@@ -96,39 +96,33 @@ bool wxDIB::Create(int width, int height, int depth)
         depth = 24;
 
     // allocate memory for bitmap structures
-    static const int sizeHeader = sizeof(BITMAPINFOHEADER);
+    BITMAPINFO info;
+    wxZeroMemory(info);
 
-    BITMAPINFO *info = (BITMAPINFO *)malloc(sizeHeader);
-    wxCHECK_MSG( info, false, _T("malloc(BITMAPINFO) failed") );
-
-    memset(info, 0, sizeHeader);
-
-    info->bmiHeader.biSize = sizeHeader;
-    info->bmiHeader.biWidth = width;
+    info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+    info.bmiHeader.biWidth = width;
 
     // we use positive height here which corresponds to a DIB with normal, i.e.
     // bottom to top, order -- normally using negative height (which means
     // reversed for MS and hence natural for all the normal people top to
     // bottom line scan order) could be used to avoid the need for the image
     // reversal in Create(image) but this doesn't work under NT, only Win9x!
-    info->bmiHeader.biHeight = height;
+    info.bmiHeader.biHeight = height;
 
-    info->bmiHeader.biPlanes = 1;
-    info->bmiHeader.biBitCount = (WORD)depth;
-    info->bmiHeader.biSizeImage = GetLineSize(width, depth)*height;
+    info.bmiHeader.biPlanes = 1;
+    info.bmiHeader.biBitCount = (WORD)depth;
+    info.bmiHeader.biSizeImage = GetLineSize(width, depth)*height;
 
     m_handle = ::CreateDIBSection
                  (
                     0,              // hdc (unused with DIB_RGB_COLORS)
-                    info,           // bitmap description
+                    &info,          // bitmap description
                     DIB_RGB_COLORS, // use RGB, not palette
                     &m_data,        // [out] DIB bits
                     NULL,           // don't use file mapping
                     0               // file mapping offset (not used here)
                  );
 
-    free(info);
-
     if ( !m_handle )
     {
         wxLogLastError(wxT("CreateDIBSection"));
@@ -789,9 +783,9 @@ wxImage wxDIB::ConvertToImage() const
                     *alpha++ = a;
                     if ( a > 0 )
                     {
-                        dst[0] = (dst[0] * 255 - 127) / a;
-                        dst[1] = (dst[1] * 255 - 127) / a;
-                        dst[2] = (dst[2] * 255 - 127) / a;
+                        dst[0] = (dst[0] * 255) / a;
+                        dst[1] = (dst[1] * 255) / a;
+                        dst[2] = (dst[2] * 255) / a;
                     }
                 }