From c8ce6bccc3a92ad6844f72515c152f333436d37e Mon Sep 17 00:00:00 2001
From: David Webster <Dave.Webster@bhmi.com>
Date: Mon, 6 Dec 1999 23:47:52 +0000
Subject: [PATCH] wxDC new virtual function

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4848 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/os2/dc.h |  2 ++
 src/os2/dc.cpp      | 56 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/include/wx/os2/dc.h b/include/wx/os2/dc.h
index 434082c111..2df64604bc 100644
--- a/include/wx/os2/dc.h
+++ b/include/wx/os2/dc.h
@@ -162,6 +162,8 @@ protected:
                               bool useMask = FALSE);
 
     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
+    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
+                                   double angle);
 
     virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
diff --git a/src/os2/dc.cpp b/src/os2/dc.cpp
index 14f009b007..8983710b32 100644
--- a/src/os2/dc.cpp
+++ b/src/os2/dc.cpp
@@ -282,6 +282,62 @@ void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
    // TODO
 }
 
+void wxDC::DoDrawRotatedText(const wxString& text,
+                             wxCoord x, wxCoord y,
+                             double angle)
+{
+   // TODO:
+   /*
+    if ( angle == 0.0 )
+    {
+        DoDrawText(text, x, y);
+    }
+    else
+    {
+        LOGFONT lf;
+        wxFillLogFont(&lf, &m_font);
+
+        // GDI wants the angle in tenth of degree
+        long angle10 = (long)(angle * 10);
+        lf.lfEscapement = angle10;
+        lf. lfOrientation = angle10;
+
+        HFONT hfont = ::CreateFontIndirect(&lf);
+        if ( !hfont )
+        {
+            wxLogLastError("CreateFont");
+        }
+        else
+        {
+            HFONT hfontOld = ::SelectObject(GetHdc(), hfont);
+
+            DrawAnyText(text, x, y);
+
+            (void)::SelectObject(GetHdc(), hfontOld);
+        }
+
+        // call the bounding box by adding all four vertices of the rectangle
+        // containing the text to it (simpler and probably not slower than
+        // determining which of them is really topmost/leftmost/...)
+        wxCoord w, h;
+        GetTextExtent(text, &w, &h);
+
+        double rad = DegToRad(angle);
+
+        // "upper left" and "upper right"
+        CalcBoundingBox(x, y);
+        CalcBoundingBox(x + w*cos(rad), y - h*sin(rad));
+        CalcBoundingBox(x + h*sin(rad), y + h*cos(rad));
+
+        // "bottom left" and "bottom right"
+        x += (wxCoord)(h*sin(rad));
+        y += (wxCoord)(h*cos(rad));
+        CalcBoundingBox(x, y);
+        CalcBoundingBox(x + h*sin(rad), y + h*cos(rad));
+    }
+*/
+}
+
 // ---------------------------------------------------------------------------
 // set GDI objects
 // ---------------------------------------------------------------------------
-- 
2.45.2