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[wxWidgets.git] / src / gtk1 / dc.cpp

diff --git a/src/gtk1/dc.cpp b/src/gtk1/dc.cpp
index da0b27c97aacfc682066728f05b7178b1f872bf7..11b2991b4057c284018c4a3b81b9ac70cfe6b25b 100644 (file)
--- a/src/gtk1/dc.cpp
+++ b/src/gtk1/dc.cpp
@@ -3,15 +3,18 @@
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$

-// Copyright:   (c) 1998 Robert Roebling, Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "dc.h"
 #endif
 
     #pragma implementation "dc.h"
 #endif
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 #include "wx/dc.h"
 
 #include <gdk/gdk.h>
 #include "wx/dc.h"
 
 #include <gdk/gdk.h>


@@ -38,8 +41,10 @@ wxDC::wxDC()
 {
     m_ok = FALSE;
 
 {
     m_ok = FALSE;
 

-    m_mm_to_pix_x = 1.0;
-    m_mm_to_pix_y = 1.0;
+    m_mm_to_pix_x = (double)wxGetDisplaySize().GetWidth() /
+                    (double)wxGetDisplaySizeMM().GetWidth();
+    m_mm_to_pix_y = (double)wxGetDisplaySize().GetHeight() /
+                    (double)wxGetDisplaySizeMM().GetHeight();

 
     m_needComputeScaleX = FALSE; /* not used yet */
     m_needComputeScaleY = FALSE; /* not used yet */
 
     m_needComputeScaleX = FALSE; /* not used yet */
     m_needComputeScaleY = FALSE; /* not used yet */


@@ -69,19 +74,13 @@ void wxDC::DestroyClippingRegion()
 // get DC capabilities
 // ---------------------------------------------------------------------------
 
 // get DC capabilities
 // ---------------------------------------------------------------------------
 

-void wxDC::DoGetSize( int* width, int* height ) const
-{
-    if (width) *width = m_maxX-m_minX;
-    if (height) *height = m_maxY-m_minY;
-}
-

 void wxDC::DoGetSizeMM( int* width, int* height ) const
 {
     int w = 0;
     int h = 0;
     GetSize( &w, &h );
 void wxDC::DoGetSizeMM( int* width, int* height ) const
 {
     int w = 0;
     int h = 0;
     GetSize( &w, &h );

-    if (width) *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) );
-    if (height) *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) );
+    if (width) *width = int( double(w) / (m_userScaleX*m_mm_to_pix_x) );
+    if (height) *height = int( double(h) / (m_userScaleY*m_mm_to_pix_y) );

 }
 
 // Resolution in pixels per logical inch
 }
 
 // Resolution in pixels per logical inch