From 8a8a2ac851e9b2e0637bad054b22ae4e4b268098 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Sat, 13 Aug 2011 21:42:41 -0500
Subject: [PATCH] Add missing TQPainter::tqdrawPolyline(...) method

---
 .../tqtinterface/qt4/src/kernel/tqpainter.h   |  1 +
 .../qt4/src/kernel/tqpainter_x11.cpp          | 66 ++++++++++++++++++-
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/experimental/tqtinterface/qt4/src/kernel/tqpainter.h b/experimental/tqtinterface/qt4/src/kernel/tqpainter.h
index c1a509249..b3cd896c0 100644
--- a/experimental/tqtinterface/qt4/src/kernel/tqpainter.h
+++ b/experimental/tqtinterface/qt4/src/kernel/tqpainter.h
@@ -302,6 +302,7 @@ public:
 	inline void tqdrawPolyline(const QPolygon &pa, int index, int npoints = -1) { drawPolyline(pa.constData() + index, npoints == -1 ? pa.size() - index : npoints); }
 	inline void tqdrawPolygon(const QPolygon &pa, bool winding, int index = 0, int npoints = -1) { drawPolygon(pa.constData() + index, npoints == -1 ? pa.size() - index : npoints, winding ? Qt::WindingFill : Qt::OddEvenFill); }
 	inline void tqdrawPolygon(const QPolygonF &polygon, bool winding, int index = 0, int npoints = -1) { drawPolygon(polygon.constData() + index, npoints == -1 ? polygon.size() - index : npoints, winding ? Qt::WindingFill : Qt::OddEvenFill); }
+        void tqdrawPolyline( const TQPointArray &, int index=0, int npoints=-1 );
 	inline void tqdrawConvexPolygon(const QPolygonF &polygon, int index, int npoints = -1) { drawConvexPolygon(polygon.constData() + index, npoints == -1 ? polygon.size() - index : npoints); }
 	inline void tqdrawConvexPolygon(const QPolygon &pa, int index, int npoints = -1) { drawConvexPolygon(pa.constData() + index, npoints == -1 ? pa.size() - index : npoints); }
 // 	static inline void redirect(QPaintDevice *pdev, QPaintDevice *replacement) { setRedirected(pdev, replacement); }
diff --git a/experimental/tqtinterface/qt4/src/kernel/tqpainter_x11.cpp b/experimental/tqtinterface/qt4/src/kernel/tqpainter_x11.cpp
index 7e68625f9..f5ad34888 100644
--- a/experimental/tqtinterface/qt4/src/kernel/tqpainter_x11.cpp
+++ b/experimental/tqtinterface/qt4/src/kernel/tqpainter_x11.cpp
@@ -242,12 +242,74 @@ void TQPainter::drawWinFocusRect( int x, int y, int w, int h, bool xorPaint, con
 
     printf("[WARNING] TQPainter::drawWinFocusRect may not draw the correct rectangle in all cases [due to shift from Xorg to Qt painting]\n\r");
 //     drawRect( x, y, w-1, h-1 );
-   drawRect( x, y, w, h );
+    drawRect( x, y, w, h );
 
     setRasterOp( old_rop );
     setPen( old_pen );
 }
 
+/*!
+    Draws the polyline defined by the \a npoints points in \a a
+    starting at \a a[index]. (\a index defaults to 0.)
+
+    If \a npoints is -1 (the default) all points until the end of the
+    array are used (i.e. a.size()-index-1 line segments are drawn).
+
+    \warning On X11, coordinates that do not fit into 16-bit signed
+    values are truncated. This limitation is expected to go away in
+    TQt 4.
+
+    \sa drawLineSegments(), drawPolygon(), TQPen
+*/
+
+void TQPainter::tqdrawPolyline( const TQPointArray &a, int index, int npoints )
+{
+    if ( npoints < 0 )
+        npoints = a.size() - index;
+    if ( index + npoints > (int)a.size() )
+        npoints = a.size() - index;
+    if ( !isActive() || npoints < 2 || index < 0 )
+        return;
+    TQPointArray pa = a;
+    if ( testf(ExtDev|VxF|WxF) ) {
+        if ( testf(ExtDev) ) {
+//             if ( npoints != (int)pa.size() ) {
+//                 pa = TQPointArray( npoints );
+//                 for ( int i=0; i<npoints; i++ )
+//                     pa.setPoint( i, a.point(index+i) );
+//                 index = 0;
+//             }
+//             TQPDevCmdParam param[1];
+//             param[0].ptarr = (TQPointArray*)&pa;
+//             if ( !pdev->cmd(TQPaintDevice::PdcDrawPolyline, this, param) || !hd )
+//                 return;
+            printf("[FIXME] TQPainter::drawPolyline not yet supported on external paint devices\n\r");
+        }
+#if 0
+        if ( txop != TxNone ) {
+            pa = xForm( pa, index, npoints );
+            if ( pa.size() != a.size() ) {
+                index   = 0;
+                npoints = pa.size();
+            }
+        }
+    }
+    if ( cpen.style() != Qt::NoPen ) {
+        while(npoints>65535) {
+            XDrawLines( dpy, hd, gc, (XPoint*)(pa.shortPoints( index, 65535 )),
+                        65535, CoordModeOrigin );
+            npoints-=65535;
+            index+=65535;
+        }
+        XDrawLines( dpy, hd, gc, (XPoint*)(pa.shortPoints( index, npoints )),
+                    npoints, CoordModeOrigin );
+    }
+#else
+    }
+    printf("[WARNING] TQPainter::tqdrawPolyline UNIMPLEMENTED\n\r");
+#endif
+}
+
 #else // USE_QT4
 
 // paintevent magic to provide Windows semantics on X11
@@ -3345,4 +3407,4 @@ TQPoint TQPainter::pos() const
     return curPt;
 }
 
-#endif // USE_QT4
\ No newline at end of file
+#endif // USE_QT4