1 /*
2  Project: Graphos
3  GRPathObject.h
4 
5  Copyright (C) 2008-2018 GNUstep Application Project
6 
7  Author: Ing. Riccardo Mottola
8 
9  Created: 2008-03-14
10 
11  This application is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public
13  License as published by the Free Software Foundation; either
14  version 2 of the License, or (at your option) any later version.
15 
16  This application is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  Library General Public License for more details.
20 
21  You should have received a copy of the GNU General Public
22  License along with this library; if not, write to the Free
23  Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  */
25 
26 /**
27  * PathObject is a superclass for every graphics object consisting of
28  * a fillable path. It is itself a subclass of GRDrawableObject.
29  * It is abstract and created to standardize behaviour, it is not instantiatable itself.
30  * Instances are like BezierPaths and Boxes.
31  */
32 
33 #import <Foundation/Foundation.h>
34 #import <AppKit/NSBezierPath.h>
35 #import "GRDrawableObject.h"
36 #import "GRObjectControlPoint.h"
37 
38 @interface GRPathObject : GRDrawableObject
39 {
40   // object bezier path
41   NSBezierPath *path;
42 
43   // already zoomed bezier path for faster drawing
44   NSBezierPath *displayPath;
45 
46   CGFloat linewidth;
47   CGFloat flatness;
48   CGFloat miterlimit;
49   NSLineJoinStyle linejoin;
50   NSLineCapStyle linecap;
51   GRObjectControlPoint *currentPoint;
52 }
53 
54 - (void)setLineWidth:(CGFloat)width;
55 - (CGFloat)lineWidth;
56 
57 - (void)setFlat:(CGFloat)flat;
58 - (CGFloat)flatness;
59 
60 - (void)setLineJoin:(NSLineJoinStyle)join;
61 - (NSLineJoinStyle)lineJoin;
62 
63 - (void)setLineCap:(NSLineCapStyle)cap;
64 - (NSLineCapStyle)lineCap;
65 
66 - (void)setMiterLimit:(CGFloat)limit;
67 - (CGFloat)miterLimit;
68 
69 /** sets the current selected control point */
70 - (void)setCurrentPoint:(GRObjectControlPoint *)aPoint;
71 
72 /** returns the currently selected control point */
73 - (GRObjectControlPoint *)currentPoint;
74 
75 /** recompute the path object based on its controlpoints */
76 - (void)remakePath;
77 
78 @end
79