Fresco/Fresco-IDL/share/idl/Fresco Path.idl,NONE,1.1 DrawingKit.idl,1.21,1.22

Update of /cvs/fresco/Fresco/Fresco-IDL/share/idl/Fresco
In directory purcel:/tmp/cvs-serv21334/Fresco-IDL/share/idl/Fresco

Modified Files:
	DrawingKit.idl 
Added Files:
	Path.idl 
Log Message:
a new Path type, still to be implemented...

--- NEW FILE: Path.idl ---
/*$Id: Path.idl,v 1.1 2003/05/27 23:12:48 stefan Exp $
 *
 * This source file is a part of the Fresco Project.
 * Portions Copyright (C) 2003 Stefan Seefeld <[email protected]> 
 * http://www.fresco.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
 * MA 02139, USA.
 */
#ifndef _Fresco_Path_idl
#define _Fresco_Path_idl

#include <Fresco/Types.idl>

#pragma prefix "fresco.org"

module Fresco
{

typedef sequence<Vertex> Polyline;
struct Quadric
{
  double           matrix[4][4];
  double           phi_begin;
  double           phi_end;
};
struct Bezier
{
  unsigned short   order;
  sequence<Vertex> controls;
};
struct Nurbs
{
  unsigned short   order;
  sequence<Vertex> controls;
  sequence<double> weights;
  sequence<double> knots;
};

enum PathSegmentType { polylinetype, arctype, beziertype, nurbstype};

union PathSegment switch (PathSegmentType)
{
  case polylinetype: Polyline the_polyline;
  case arctype:      Quadric  the_quadric;
  case beziertype:   Bezier   the_bezier;
  case nurbstype:    Nurbs    the_nurbs;
};

//. moveto: the next segment's CS is the same as this,
//.         end points are not connected
//.
//. lineto: the next segment's CS is the same as this,
//.         end points are connected by a line
//.
//. align: the next segment's CS is this plus a translation
//.        that aligns the last point of this segment with
//.        the first point of the next segment
enum PathSegmentConnection { moveto, lineto, align};

struct PathSegmentItem
{
  PathSegment    segment;
  //. connection defines the connection to the next
  //. segment. If this is the last one, moveto implies
  //. an open path, lineto a closed path. Align is
  //. undefined...
  PathSegmentConnection connection;
};

typedef sequence<PathSegmentItem> NewPath;

};

#endif

Index: DrawingKit.idl
===================================================================
RCS file: /cvs/fresco/Fresco/Fresco-IDL/share/idl/Fresco/DrawingKit.idl,v
retrieving revision 1.21
retrieving revision 1.22
diff -u -d -r1.21 -r1.22
--- DrawingKit.idl	20 Mar 2003 22:16:01 -0000	1.21
+++ DrawingKit.idl	27 May 2003 23:12:48 -0000	1.22
@@ -23,6 +23,7 @@
 #ifndef _Fresco_DrawingKit_idl
 #define _Fresco_DrawingKit_idl
 
+#include <Fresco/Path.idl>
 #include <Fresco/Kit.idl>
 #include <Fresco/Graphic.idl>
 
@@ -132,6 +133,7 @@
       //. FIXME: Which restrictions need to apply for paths/polygons?
       //.        Direction? Convex? Simple? 
       void draw_path(in Path p);
+      void draw_new_path(in NewPath p);
       //   void drawPatch(in Patch p);
       //. Draws a rectangle. You need to provide the coordinates of the
       //. lower left corner of the rectangle (lower) and the upper right