fixed PS bounding box computation

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9006 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/dcpsg.cpp b/src/generic/dcpsg.cpp
index c85d15e1739f439aa8d95d2e3d7324c583a8d8d7..963735393b5dbf9edb765b716d4c03cc343b2c8a 100644 (file)
--- a/src/generic/dcpsg.cpp
+++ b/src/generic/dcpsg.cpp
@@ -1668,10 +1668,26 @@ void wxPostScriptDC::EndDoc ()
 
     // Compute the bounding box.  Note that it is in the default user
     // coordinate system, thus we have to convert the values.
 
     // Compute the bounding box.  Note that it is in the default user
     // coordinate system, thus we have to convert the values.

-    wxCoord llx = (wxCoord) ((XLOG2DEV(m_minX)+wx_printer_translate_x)*wx_printer_scale_x);
-    wxCoord lly = (wxCoord) ((YLOG2DEV(m_minY)+wx_printer_translate_y)*wx_printer_scale_y);
-    wxCoord urx = (wxCoord) ((XLOG2DEV(m_maxX)+wx_printer_translate_x)*wx_printer_scale_x);
-    wxCoord ury = (wxCoord) ((YLOG2DEV(m_maxY)+wx_printer_translate_y)*wx_printer_scale_y);
+    wxCoord minX = (wxCoord) XLOG2DEV(m_minX);
+    wxCoord minY = (wxCoord) YLOG2DEV(m_minY);
+    wxCoord maxX = (wxCoord) XLOG2DEV(m_maxX);
+    wxCoord maxY = (wxCoord) YLOG2DEV(m_maxY);
+ 
+    // LOG2DEV may have changed the minimum to maximum vice versa
+    if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
+    if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
+ 
+    // account for used scaling (boundingbox is before scaling in ps-file)
+    double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
+    double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
+ 
+    wxCoord llx, lly, urx, ury;   
+    llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
+    lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
+    urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
+    ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
+    // (end of bounding box computation)
+

 
     // If we're landscape, our sense of "x" and "y" is reversed.
     if (m_printData.GetOrientation() == wxLANDSCAPE)
 
     // If we're landscape, our sense of "x" and "y" is reversed.
     if (m_printData.GetOrientation() == wxLANDSCAPE)