X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f3d7473941a193fe1aed18b86a432b1600d55750..64accea5fae6a4ad5303d2b513043fd39a3b383b:/src/gtk/bitmap.cpp

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 88d5a0d6d8..1be0bb94a4 100644
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -228,7 +228,7 @@ wxBitmapRefData::~wxBitmapRefData()
 
 //-----------------------------------------------------------------------------
 
-#define M_BMPDATA wx_static_cast(wxBitmapRefData*, m_refData)
+#define M_BMPDATA static_cast<wxBitmapRefData*>(m_refData)
 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 
@@ -258,7 +258,7 @@ wxBitmap::wxBitmap(const char* const* bits)
     wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
 
     GdkBitmap* mask = NULL;
-    SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, wx_const_cast(char**, bits)));
+    SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, const_cast<char**>(bits)));
 
     if (M_BMPDATA->m_pixmap != NULL && mask != NULL)
     {
@@ -280,21 +280,29 @@ bool wxBitmap::Create( int width, int height, int depth )
         return false;
     }
 
+    const GdkVisual* visual = wxTheApp->GetGdkVisual();
+    
     if (depth == 32)
     {
         SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, width, height), 32);
+        // must initialize alpha, otherwise GetPixmap()
+        // will create a mask out of garbage
+        gdk_pixbuf_fill(M_BMPDATA->m_pixbuf, 0x000000ff);
+    } else
+    if (depth == 24)
+    {
+        if (visual->depth == depth)
+            SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, width, height, depth));
+        else
+            SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, width, height), 24);
     }
     else
     {
         if (depth != 1)
         {
-            const GdkVisual* visual = wxTheApp->GetGdkVisual();
             if (depth == -1)
                 depth = visual->depth;
-
-            wxCHECK_MSG(depth == visual->depth, false, wxT("invalid bitmap depth"));
         }
-
         SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, width, height, depth));
     }
 
@@ -807,6 +815,7 @@ GdkPixbuf *wxBitmap::GetPixbuf() const
 
     if (M_BMPDATA->m_pixbuf == NULL)
     {
+     
         int width = GetWidth();
         int height = GetHeight();
 
@@ -816,7 +825,6 @@ GdkPixbuf *wxBitmap::GetPixbuf() const
         M_BMPDATA->m_pixbuf = pixbuf;
         gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL,
                                      0, 0, 0, 0, width, height);
-
         // apply the mask to created pixbuf:
         if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
         {
@@ -896,6 +904,7 @@ void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
     void* bits = NULL;
     GdkPixbuf *pixbuf = GetPixbuf();
     const bool hasAlpha = HasAlpha();
+    
     // allow access if bpp is valid and matches existence of alpha
     if ( pixbuf && ((bpp == 24 && !hasAlpha) || (bpp == 32 && hasAlpha)) )
     {
@@ -924,7 +933,7 @@ wxGDIRefData* wxBitmap::CreateGDIRefData() const
 
 wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
 {
-    const wxBitmapRefData* oldRef = wx_static_cast(const wxBitmapRefData*, data);
+    const wxBitmapRefData* oldRef = static_cast<const wxBitmapRefData*>(data);
     wxBitmapRefData* newRef = new wxBitmapRefData;
     newRef->m_width = oldRef->m_width;
     newRef->m_height = oldRef->m_height;