X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=libctgraphics%2Fsgp.cpp;h=d3ea434b9b27a2cd8946f41b516d6d7bdced3543;hb=739e435359d44546dd812fff8c86b815a214d587;hp=f22dd378300339355e4757e1b88a93d6222a269d;hpb=9727d14397360a862a407b9c35efefe35925791b;p=ctsim.git

diff --git a/libctgraphics/sgp.cpp b/libctgraphics/sgp.cpp
index f22dd37..d3ea434 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 1.19 2000/12/18 02:23:43 kevin Exp $
+**  $Id: sgp.cpp,v 1.22 2000/12/18 06:47:03 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
@@ -99,12 +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_driver.idWX()->SetBrush (*wxWHITE_BRUSH);
+//	wxWHITE_BRUSH->SetColour (255, 255, 255);
+//	wxWHITE_BRUSH->SetStyle (wxSOLID);
+	m_driver.idWX()->SetBackground (*wxWHITE_BRUSH);
   }
 #endif
 
@@ -163,8 +165,20 @@ 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);
+#if 1
+	wxPen pen;
+	pen.SetColour(255,255,255);
+	m_driver.idWX()->SetBrush (brushWhite);
+	m_driver.idWX()->DrawRectangle (0, 0, m_iPhysicalXSize, m_iPhysicalYSize);
+	m_driver.idWX()->SetBrush (wxNullBrush);
+#endif
+  }
 #endif
 }
 
@@ -420,7 +434,7 @@ 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));
@@ -491,10 +505,11 @@ SGP::getCharHeight ()
 #if HAVE_WXWINDOWS
   if (m_driver.isWX()) {
     dHeight = m_driver.idWX()->GetCharHeight();
-    dHeight /= static_cast<double>(m_iPhysicalYSize);
+    dHeight /= static_cast<double>(m_iPhysicalYSize);
+	dHeight /= (yv_max - yv_min); // scale to viewport;
   }
 #endif
-  dHeight *= (yw_max - yw_min);
+  dHeight *= (yw_max - yw_min);  // scale to world coordinates
   return dHeight;
 }
 
@@ -506,10 +521,11 @@ SGP::getCharWidth ()
 #if HAVE_WXWINDOWS
   if (m_driver.isWX()) {
     dWidth = m_driver.idWX()->GetCharWidth();
-    dWidth /= static_cast<double>(m_iPhysicalXSize);
+    dWidth /= static_cast<double>(m_iPhysicalXSize);
+	dWidth /= (xv_max - xv_min); // scale to viewport
   }
 #endif
-  dWidth *= (xw_max - xw_min);
+  dWidth *= (xw_max - xw_min); //scale to world coordinates
   return dWidth;
 }