X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=libctgraphics%2Fsgp.cpp;h=14cfd63e500a9f40d3dc4a94f03588017d4d68c3;hb=e9222e8a8190ca48f30a1359badae06bcb200210;hp=ad33f758cda20e764a55cc52909ad788c8feaa6b;hpb=dc034c9d0b7d9c3874a324a4c2c189a02945adc8;p=ctsim.git

diff --git a/libctgraphics/sgp.cpp b/libctgraphics/sgp.cpp
index ad33f75..14cfd63 100644
--- a/libctgraphics/sgp.cpp
+++ b/libctgraphics/sgp.cpp
@@ -7,7 +7,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: sgp.cpp,v 1.18 2000/12/16 06:12:47 kevin Exp $
+**  $Id: sgp.cpp,v 1.20 2000/12/18 05:40:30 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -99,11 +99,14 @@ SGP::SGP (const SGPDriver& driver)
     static const double dScreenDPI = 82;
     static const double dPointsPerInch = 72.;
     m_dPointsPerPixel = dPointsPerInch / dScreenDPI;
-    const int iTestPointSize = 72;
+    const int iTestPointSize = 12;
     m_font.SetPointSize (iTestPointSize);
     m_driver.idWX()->SetFont(m_font);
     double dTestCharHeight = m_driver.idWX()->GetCharHeight();
-    m_dPointsPerPixel = iTestPointSize / dTestCharHeight;
+    m_dPointsPerPixel = iTestPointSize / dTestCharHeight;
+//	wxWHITE_BRUSH->SetColour (255, 255, 255);
+//	wxWHITE_BRUSH->SetStyle (wxSOLID);
+	m_driver.idWX()->SetBackground (*wxWHITE_BRUSH);
   }
 #endif
 
@@ -162,8 +165,13 @@ SGP::eraseWindow ()
     g2_clear (m_driver.idG2());
 #endif
 #if HAVE_WXWINDOWS
-  if (m_driver.isWX())
-    m_driver.idWX()->Clear();
+  if (m_driver.isWX()) {
+    wxBrush brushWhite;
+	brushWhite.SetColour(255,255,255);
+	m_driver.idWX()->SetBackground(brushWhite);
+	m_driver.idWX()->Clear();
+	m_driver.idWX()->SetBackground(wxNullBrush);
+  }
 #endif
 }
 
@@ -419,7 +427,7 @@ SGP::moveRel (double x, double y)
 void
 SGP::setTextSize (double height)
 {
-    height /= (xw_max - xw_min);
+    height /= (yw_max - yw_min);  // convert to NDC
 #if HAVE_G2_H
   if (m_driver.isG2())
     g2_set_font_size(m_driver.idG2(), (height * m_iPhysicalYSize));