wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
{
Create(data.m_width, data.m_height, data.m_bpp);
m_mask = data.m_mask ? new wxMask(*data.m_mask) : NULL;
#if wxUSE_PALETTE
wxASSERT_MSG( !data.m_palette,
wxT("copying bitmaps palette not implemented") );
#endif // wxUSE_PALETTE
// copy the bitmap data by simply drawing the source bitmap on this one
GdkPixmap **dst;
if ( data.m_pixmap )
{
dst = &m_pixmap;
}
else if ( data.m_bitmap )
{
dst = &m_bitmap;
}
else // invalid bitmap?
{
return;
}
GdkGC *gc = gdk_gc_new(*dst);
if ( m_bpp == 1 )
{
gdk_wx_draw_bitmap(m_bitmap, gc, data.m_bitmap, 0, 0, 0, 0, -1, -1);
}
else // colour pixmap
{
gdk_draw_pixmap(m_pixmap, gc, data.m_pixmap, 0, 0, 0, 0, -1, -1);
}
gdk_gc_unref(gc);
}
bool wxMask::Create( const wxBitmap& bitmap )
{
if (m_bitmap)
{
gdk_bitmap_unref( m_bitmap );
m_bitmap = (GdkBitmap*) NULL;
}
if (!bitmap.Ok()) return FALSE;
wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
if (!m_bitmap) return FALSE;
GdkGC *gc = gdk_gc_new( m_bitmap );
gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
gdk_gc_unref( gc );
return TRUE;
}