* win/tkWinDraw.c:

	* win/tkWinPointer.c: added support for pointer warping and
	platform specific support for dash patch items

1 files changed, 94 insertions, 39 deletions

diff --git a/win/tkWinDraw.c b/win/tkWinDraw.c
index 5c89989..a32c45d 100644
--- a/win/tkWinDraw.c
+++ b/win/tkWinDraw.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinDraw.c,v 1.6 1999/09/02 17:03:26 hobbs Exp $
+ * RCS: @(#) $Id: tkWinDraw.c,v 1.7 1999/12/14 06:53:54 hobbs Exp $
  */
 
 #include "tkWinInt.h"
@@ -125,6 +125,7 @@ static void		DrawOrFillArc _ANSI_ARGS_((Display *display,
 static void		RenderObject _ANSI_ARGS_((HDC dc, GC gc,
 			    XPoint* points, int npoints, int mode, HPEN pen,
 			    WinDrawFunc func));
+static HPEN		SetUpGraphicsPort _ANSI_ARGS_((GC gc));
 
 /*
  *----------------------------------------------------------------------
@@ -888,42 +889,7 @@ XDrawLines(display, d, gc, points, npoints, mode)
 
     dc = TkWinGetDrawableDC(display, d, &state);
 
-    if (!tkpIsWin32s && (gc->line_width > 1)) {
-	LOGBRUSH lb;
-	DWORD style;
-
-	lb.lbStyle = BS_SOLID;
-	lb.lbColor = gc->foreground;
-	lb.lbHatch = 0;
-
-	style = PS_GEOMETRIC|PS_COSMETIC;
-	switch (gc->cap_style) {
-	    case CapNotLast:
-	    case CapButt:
-		style |= PS_ENDCAP_FLAT; 
-		break;
-	    case CapRound:
-		style |= PS_ENDCAP_ROUND; 
-		break;
-	    default:
-		style |= PS_ENDCAP_SQUARE; 
-		break;
-	}
-	switch (gc->join_style) {
-	    case JoinMiter: 
-		style |= PS_JOIN_MITER; 
-		break;
-	    case JoinRound:
-		style |= PS_JOIN_ROUND; 
-		break;
-	    default:
-		style |= PS_JOIN_BEVEL; 
-		break;
-	}
-	pen = ExtCreatePen(style, gc->line_width, &lb, 0, NULL);
-    } else {
-	pen = CreatePen(PS_SOLID, gc->line_width, gc->foreground);
-    }
+    pen = SetUpGraphicsPort(gc);
     RenderObject(dc, gc, points, npoints, mode, pen, Polyline);
     DeleteObject(pen);
     
@@ -1009,7 +975,7 @@ XDrawRectangle(display, d, gc, x, y, width, height)
 
     dc = TkWinGetDrawableDC(display, d, &state);
 
-    pen = CreatePen(PS_SOLID, gc->line_width, gc->foreground);
+    pen = SetUpGraphicsPort(gc);
     oldPen = SelectObject(dc, pen);
     oldBrush = SelectObject(dc, GetStockObject(NULL_BRUSH));
     SetROP2(dc, tkpWinRopModes[gc->function]);
@@ -1171,7 +1137,7 @@ DrawOrFillArc(display, d, gc, x, y, width, height, start, extent, fill)
      * difference in pixel definitions between X and Windows.
      */
 
-    pen = CreatePen(PS_SOLID, gc->line_width, gc->foreground);
+    pen = SetUpGraphicsPort(gc);
     oldPen = SelectObject(dc, pen);
     if (!fill) {
 	/*
@@ -1198,6 +1164,95 @@ DrawOrFillArc(display, d, gc, x, y, width, height, start, extent, fill)
 /*
  *----------------------------------------------------------------------
  *
+ * SetUpGraphicsPort --
+ *
+ *	Set up the graphics port from the given GC.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The current port is adjusted.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static HPEN
+SetUpGraphicsPort(gc)
+    GC gc;
+{
+    DWORD style;
+
+    if (gc->line_style == LineOnOffDash) {
+	unsigned char *p = (unsigned char *) &(gc->dashes);
+				/* pointer to the dash-list */
+
+	/*
+	 * Below is a simple translation of serveral dash patterns
+	 * to valid windows pen types. Far from complete,
+	 * but I don't know how to do it better.
+	 * Any ideas: <mailto:j.nijtmans@chello.nl>
+	 */
+
+	if (p[1] && p[2]) {
+	    if (!p[3] || p[4]) {
+		style = PS_DASHDOTDOT;		/*	-..	*/
+	    } else {
+		style = PS_DASHDOT;		/*	-.	*/
+	    }
+	} else {
+	    if (p[0] > (4 * gc->line_width)) {
+		style = PS_DASH;		/*	-	*/
+	    } else {
+		style = PS_DOT;			/*	.	*/
+	    }
+	}
+    } else {
+	style = PS_SOLID;
+    }
+    if (tkpIsWin32s || (gc->line_width < 2)) {
+	if (gc->line_width > 1) {
+	    style = PS_SOLID;
+	}
+	return CreatePen(style, gc->line_width, gc->foreground);
+    } else {
+	LOGBRUSH lb;
+
+	lb.lbStyle = BS_SOLID;
+	lb.lbColor = gc->foreground;
+	lb.lbHatch = 0;
+
+	style |= PS_GEOMETRIC;
+	switch (gc->cap_style) {
+	    case CapNotLast:
+	    case CapButt:
+		style |= PS_ENDCAP_FLAT; 
+		break;
+	    case CapRound:
+		style |= PS_ENDCAP_ROUND; 
+		break;
+	    default:
+		style |= PS_ENDCAP_SQUARE; 
+		break;
+	}
+	switch (gc->join_style) {
+	    case JoinMiter: 
+		style |= PS_JOIN_MITER; 
+		break;
+	    case JoinRound:
+		style |= PS_JOIN_ROUND; 
+		break;
+	    default:
+		style |= PS_JOIN_BEVEL; 
+		break;
+	}
+	return ExtCreatePen(style, gc->line_width, &lb, 0, NULL);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
  * TkScrollWindow --
  *
  *	Scroll a rectangle of the specified window and accumulate