Create a text measuring context until a real context is assigned, this allows things like text measurement code using wxMemoryDC to work on Mac.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63050 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Kevin Ollivier
2010-01-03 22:52:04 +00:00
parent 554946db7d
commit d9edff064d

View File

@@ -203,7 +203,7 @@ void wxGCDCImpl::Init()
m_font = *wxNORMAL_FONT;
m_brush = *wxWHITE_BRUSH;
m_graphicContext = NULL;
m_graphicContext = wxGraphicsContext::Create();
m_logicalFunctionSupported = true;
}
@@ -981,7 +981,7 @@ void wxGCDCImpl::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *
wxCoord *descent, wxCoord *externalLeading ,
const wxFont *theFont ) const
{
wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoGetTextExtent - invalid DC") );
wxCHECK_RET( m_graphicContext, wxT("wxGCDC(cg)::DoGetTextExtent - invalid DC") );
if ( theFont )
{
@@ -1009,7 +1009,7 @@ void wxGCDCImpl::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *
bool wxGCDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
{
wxCHECK_MSG( IsOk(), false, wxT("wxGCDC(cg)::DoGetPartialTextExtents - invalid DC") );
wxCHECK_MSG( m_graphicContext, false, wxT("wxGCDC(cg)::DoGetPartialTextExtents - invalid DC") );
widths.Clear();
widths.Add(0,text.Length());
if ( text.IsEmpty() )