Implement support for pen cap and join in wxPostScriptDC.

Use PostScript "setlinecap" and "setlinejoin" commands to do it.

Closes #1244.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73629 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/dcpsg.cpp b/src/generic/dcpsg.cpp
index 61946d51743fd29d3aab2054a68ae66ebd87ac5c..2c8e9c33391eb211c6ed7df26fe4af60690905d5 100644 (file)
--- a/src/generic/dcpsg.cpp
+++ b/src/generic/dcpsg.cpp
@@ -1136,8 +1136,12 @@ void wxPostScriptDCImpl::SetPen( const wxPen& pen )
     if (!pen.IsOk()) return;
 
     int oldStyle = m_pen.IsOk() ? m_pen.GetStyle() : wxPENSTYLE_INVALID;
+    wxPenCap oldCap = m_pen.IsOk() ? m_pen.GetCap() : wxCAP_INVALID;
+    wxPenJoin oldJoin = m_pen.IsOk() ? m_pen.GetJoin() : wxJOIN_INVALID;
 
     m_pen = pen;
+    wxPenCap cap = m_pen.IsOk() ? m_pen.GetCap() : wxCAP_INVALID;
+    wxPenJoin join = m_pen.IsOk() ? m_pen.GetJoin() : wxJOIN_INVALID;
 
     double width;
 
@@ -1201,6 +1205,35 @@ void wxPostScriptDCImpl::SetPen( const wxPen& pen )
         PsPrint( " setdash\n" );
     }
 
+    if ( cap != wxCAP_INVALID && cap != oldCap )
+    {
+        switch ( cap )
+        {
+            case wxCAP_ROUND:      buffer = "1"; break;
+            case wxCAP_PROJECTING: buffer = "2"; break;
+            case wxCAP_BUTT:       buffer = "0"; break;
+
+            // This case is just to fix compiler warning, this is impossible
+            // due to the test above.
+            case wxCAP_INVALID: break;
+        }
+        buffer << " setlinecap\n";
+        PsPrint( buffer );
+    }
+
+    if ( join != wxJOIN_INVALID && join != oldJoin )
+    {
+        switch ( join )
+        {
+            case wxJOIN_BEVEL: buffer = "2"; break;
+            case wxJOIN_ROUND: buffer = "1"; break;
+            case wxJOIN_MITER: buffer = "0"; break;
+            case wxJOIN_INVALID: break;
+        }
+        buffer << " setlinejoin\n";
+        PsPrint( buffer );
+    }
+
     // Line colour
     unsigned char red = m_pen.GetColour().Red();
     unsigned char blue = m_pen.GetColour().Blue();