fix wxString compilation problem with non-unicode build

diff --git a/libctgraphics/sgp.cpp b/libctgraphics/sgp.cpp
index 9757fe9fb03449e911e7d0fcee351488be47540a..6d0e1f4838daa28d34894ecd2c76a0ddafc15cd8 100644 (file)
--- a/libctgraphics/sgp.cpp
+++ b/libctgraphics/sgp.cpp
@@ -571,7 +571,8 @@ SGP::getTextExtent (const char* szText, double* worldW, double* worldH)
 #if HAVE_WXWINDOWS
   if (m_driver.isWX()) {
     wxCoord deviceW, deviceH;
-    m_driver.idWX()->GetTextExtent (wxConvCurrent->cMB2WC(szText), &deviceW, &deviceH);
+    wxString str (wxConvCurrent->cMB2WC(szText));
+    m_driver.idWX()->GetTextExtent (str, &deviceW, &deviceH);
     if (m_dTextAngle == 90 || m_dTextAngle == -90) {
       wxCoord temp = deviceW;
       deviceW = deviceH;
@@ -721,7 +722,8 @@ SGP::drawText (const char *pszMessage)
 #endif
 #if HAVE_WXWINDOWS
   if (m_driver.isWX()) {
-    m_driver.idWX()->DrawRotatedText (wxConvCurrent->cMB2WC(pszMessage), m_iCurrentPhysicalX, m_iCurrentPhysicalY, m_dTextAngle);
+    wxString str(wxConvCurrent->cMB2WC(pszMessage));
+    m_driver.idWX()->DrawRotatedText (str, m_iCurrentPhysicalX, m_iCurrentPhysicalY, m_dTextAngle);
   }
 #endif
 }