author | Claus Gittinger <cg@exept.de> |
Tue, 31 Jul 2001 17:10:05 +0200 | |
changeset 5897 | 793b0adad934 |
parent 5570 | e6e14f50d721 |
child 6065 | f30cdb1edc0c |
permissions | -rw-r--r-- |
356 | 1 |
" |
2 |
COPYRIGHT (c) 1995 by Claus Gittinger |
|
3 |
All Rights Reserved |
|
4 |
||
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
12 |
||
5570 | 13 |
"{ Package: 'stx:libbasic' }" |
14 |
||
610 | 15 |
Object subclass:#Geometric |
1283 | 16 |
instanceVariableNames:'' |
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
17 |
classVariableNames:'Scale InverseScale' |
1283 | 18 |
poolDictionaries:'' |
19 |
category:'Graphics-Geometry' |
|
356 | 20 |
! |
21 |
||
22 |
!Geometric class methodsFor:'documentation'! |
|
23 |
||
24 |
copyright |
|
25 |
" |
|
26 |
COPYRIGHT (c) 1995 by Claus Gittinger |
|
27 |
All Rights Reserved |
|
28 |
||
29 |
This software is furnished under a license and may be used |
|
30 |
only in accordance with the terms of that license and with the |
|
31 |
inclusion of the above copyright notice. This software may not |
|
32 |
be provided or otherwise made available to, or used by, any |
|
33 |
other person. No title to or ownership of the software is |
|
34 |
hereby transferred. |
|
35 |
" |
|
36 |
! |
|
37 |
||
38 |
documentation |
|
39 |
" |
|
40 |
Abstract superclass for geometric figures. |
|
41 |
Concrete classes are (currently) Rectangle, Polygon and the classes |
|
42 |
found in goodies/shape. |
|
43 |
||
44 |
These are not graphical objects, but pure mathematical ones. |
|
45 |
I.e. instances do not carry graphics attributes such as color, lineWidth etc. |
|
1355 | 46 |
However, they ``know'' how to display themself as stroked or possibly |
1360 | 47 |
filled picture on a graphicsContext (although, the GC's current |
48 |
paint and lineStyles are used). |
|
1355 | 49 |
|
50 |
Use instances of (subclasses) of DisplayObject or |
|
1360 | 51 |
of the GeometricWrapper classes for objects which keep the color |
52 |
and lineStyle information with them. |
|
356 | 53 |
|
1314 | 54 |
Notice: |
55 |
ST/X does not use Geometric instances for drawing (yet). |
|
1355 | 56 |
Except for Rectangle, Geometry and its subclasses exists mainly |
57 |
for ST-80 compatibility and to provide a home when other (PD) |
|
1314 | 58 |
geometry classes are to be filed in. |
1290 | 59 |
|
60 |
[author:] |
|
61 |
Claus Gittinger |
|
1314 | 62 |
|
63 |
[see also:] |
|
1355 | 64 |
Rectangle Polygon EllipticalArc Circle Spline Point |
1390 | 65 |
LineSegment Curve Arrow ArrowedSpline |
1353 | 66 |
GraphicsContext |
1358 | 67 |
StrokingWrapper FillingWrapper |
356 | 68 |
" |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
69 |
! |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
70 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
71 |
examples |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
72 |
" |
1357 | 73 |
line segment: |
74 |
[exBegin] |
|
75 |
|v l| |
|
76 |
||
77 |
v := (View extent:100@100) openAndWait. |
|
78 |
||
79 |
l := LineSegment from:10@10 to:90@90. |
|
80 |
||
81 |
v paint:Color red. |
|
82 |
l displayStrokedOn:v. |
|
83 |
||
84 |
l start:90@10 end:10@90. |
|
85 |
v paint:Color blue. |
|
86 |
l displayStrokedOn:v. |
|
87 |
[exEnd] |
|
88 |
||
89 |
rectangle, unfilled: |
|
90 |
[exBegin] |
|
91 |
|v r| |
|
92 |
||
93 |
v := (View extent:100@100) openAndWait. |
|
94 |
||
95 |
r := Rectangle origin:10@10 corner:90@90. |
|
96 |
||
97 |
v paint:Color red. |
|
98 |
r displayStrokedOn:v. |
|
99 |
[exEnd] |
|
100 |
||
1353 | 101 |
circle; filled and unfilled: |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
102 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
103 |
|v c| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
104 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
105 |
v := (View extent:200@100) openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
106 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
107 |
c := Circle boundingBox:(10@10 corner:90@90). |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
108 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
109 |
v paint:Color blue. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
110 |
c displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
111 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
112 |
c center:150@50. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
113 |
v paint:Color red. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
114 |
c displayStrokedOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
115 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
116 |
[exEnd] |
1353 | 117 |
circle & rectangle; both filled: |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
118 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
119 |
|v c| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
120 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
121 |
v := (View extent:100@100) openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
122 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
123 |
c := Circle center:50@50 radius:40. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
124 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
125 |
v paint:Color red. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
126 |
c asRectangle displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
127 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
128 |
v paint:Color blue. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
129 |
c displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
130 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
131 |
[exEnd] |
1353 | 132 |
elliptical arcs; filled & unfilled: |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
133 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
134 |
|v e| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
135 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
136 |
v := (View extent:200@100) openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
137 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
138 |
e := EllipticalArc |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
139 |
boundingBox:(10@10 corner:190@90) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
140 |
startAngle:0 |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
141 |
endAngle:270. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
142 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
143 |
v paint:Color blue. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
144 |
e displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
145 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
146 |
v paint:Color red. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
147 |
e displayStrokedOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
148 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
149 |
[exEnd] |
1353 | 150 |
polygon; filled & unfilled: |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
151 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
152 |
|v p| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
153 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
154 |
v := (View extent:100@100) openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
155 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
156 |
p := Polygon vertices: |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
157 |
(Array with:(10@10) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
158 |
with:(90@90) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
159 |
with:(10@90)). |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
160 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
161 |
v paint:Color blue. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
162 |
p displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
163 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
164 |
v paint:Color red. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
165 |
p displayStrokedOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
166 |
[exEnd] |
1353 | 167 |
|
168 |
circles; filled & unfilled: |
|
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
169 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
170 |
|v c| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
171 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
172 |
v := View new openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
173 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
174 |
c := Circle center:50@50 radius:40. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
175 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
176 |
c displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
177 |
50 to:1 by:-1 do:[:r | |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
178 |
c radius:r. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
179 |
v paint:(Color grey:(r * 2)). |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
180 |
c displayStrokedOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
181 |
]. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
182 |
1 to:50 do:[:r | |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
183 |
c radius:r. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
184 |
v paint:(Color grey:100-(r * 2)). |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
185 |
c displayStrokedOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
186 |
] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
187 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
188 |
[exEnd] |
1353 | 189 |
arcs; filled: |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
190 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
191 |
|v ell| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
192 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
193 |
v := View new openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
194 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
195 |
ell := EllipticalArc |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
196 |
boundingBox:(10@10 corner:90@90) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
197 |
startAngle:0 |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
198 |
sweepAngle:0. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
199 |
|
1353 | 200 |
#(45 90 135 180 225 270 315 360) keysAndValuesDo:[:index :angle | |
201 |
index odd ifTrue:[ |
|
202 |
v paint:Color white |
|
203 |
] ifFalse:[ |
|
204 |
v paint:Color black |
|
205 |
]. |
|
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
206 |
ell sweepAngle:angle. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
207 |
ell displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
208 |
Delay waitForSeconds:0.5. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
209 |
]. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
210 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
211 |
[exEnd] |
1353 | 212 |
arcs; filled: |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
213 |
[exBegin] |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
214 |
|v ell| |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
215 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
216 |
v := View new openAndWait. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
217 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
218 |
ell := EllipticalArc |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
219 |
boundingBox:(10@10 corner:90@90) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
220 |
startAngle:0 |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
221 |
sweepAngle:45. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
222 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
223 |
#(45 90 135 180 225 270 315 360) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
224 |
with:#( 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1) |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
225 |
do:[:angle :grey | |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
226 |
ell startAngle:angle-45. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
227 |
v paint:(ColorValue red:grey green:0 blue:0). |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
228 |
ell displayFilledOn:v. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
229 |
]. |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
230 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
231 |
[exEnd] |
1353 | 232 |
spline; filled & unfilled: |
233 |
[exBegin] |
|
234 |
|v p| |
|
235 |
||
236 |
v := (View extent:100@100) openAndWait. |
|
237 |
||
238 |
p := Spline controlPoints: |
|
1354 | 239 |
(Array with:(20@20) |
240 |
with:(80@80) |
|
241 |
with:(20@80)). |
|
1353 | 242 |
|
243 |
v paint:Color blue. |
|
244 |
p displayFilledOn:v. |
|
245 |
||
246 |
v paint:Color red. |
|
247 |
p displayStrokedOn:v. |
|
248 |
[exEnd] |
|
249 |
||
250 |
closed spline; filled & unfilled: |
|
251 |
[exBegin] |
|
252 |
|v p| |
|
253 |
||
254 |
v := (View extent:100@100) openAndWait. |
|
255 |
||
256 |
p := Spline controlPoints: |
|
1354 | 257 |
(Array with:(20@20) |
258 |
with:(80@80) |
|
259 |
with:(20@80) |
|
260 |
with:(20@20)). |
|
1353 | 261 |
|
262 |
v paint:Color blue. |
|
263 |
p displayFilledOn:v. |
|
264 |
||
265 |
v paint:Color red. |
|
266 |
p displayStrokedOn:v. |
|
267 |
[exEnd] |
|
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
268 |
" |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
269 |
! ! |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
270 |
|
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
271 |
!Geometric class methodsFor:'initialization'! |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
272 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
273 |
initialize |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
274 |
"setup class constants" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
275 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
276 |
"/ these are note used in ST/X; |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
277 |
"/ (acc. to a testers note, ST-80 internally uses |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
278 |
"/ integer valued coordinates, scaling coordinates by |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
279 |
"/ the Scale constant. ST/X does not do this. However, |
2382 | 280 |
"/ user supplied subclasses may depend on those values being |
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
281 |
"/ present ...) |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
282 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
283 |
Scale := 4096. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
284 |
InverseScale := 1.0 / Scale |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
285 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
286 |
" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
287 |
Geometric initialize |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
288 |
" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
289 |
|
2382 | 290 |
"Modified: 12.2.1997 / 14:11:49 / cg" |
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
291 |
! ! |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
292 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
293 |
!Geometric class methodsFor:'helper functions'! |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
294 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
295 |
boundingRectangleForPoints:aSequencableCollectionOfPoints |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
296 |
"given a bunch of point, compute the boundingRectangle |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
297 |
(i.e. the smallest rectangle which encloses all of those points)" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
298 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
299 |
|p minX minY maxX maxY n "{ Class: SmallInteger }" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
300 |
x y | |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
301 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
302 |
p := aSequencableCollectionOfPoints first. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
303 |
minX := maxX := p x. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
304 |
minY := maxY := p y. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
305 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
306 |
n := aSequencableCollectionOfPoints size. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
307 |
1 to:n do:[:idx | |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
308 |
p := aSequencableCollectionOfPoints at:idx. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
309 |
x := p x. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
310 |
y := p y. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
311 |
x < minX ifTrue:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
312 |
minX := x |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
313 |
] ifFalse:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
314 |
x > maxX ifTrue:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
315 |
maxX := x |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
316 |
] |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
317 |
]. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
318 |
y < minY ifTrue:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
319 |
minY := y |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
320 |
] ifFalse:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
321 |
y > maxY ifTrue:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
322 |
maxY := y |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
323 |
] |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
324 |
]. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
325 |
]. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
326 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
327 |
^ Rectangle left:minX top:minY right:maxX bottom:maxY |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
328 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
329 |
"Modified: 12.2.1997 / 12:10:12 / cg" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
330 |
! ! |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
331 |
|
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
332 |
!Geometric methodsFor:'converting'! |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
333 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
334 |
asFiller |
1353 | 335 |
"return a wrapper which displays the receiver in its filled form" |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
336 |
|
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
337 |
self canBeFilled ifTrue:[ |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
338 |
^ FillingWrapper on:self |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
339 |
]. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
340 |
^ self shouldNotImplement |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
341 |
|
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
342 |
"Modified: 12.2.1997 / 11:47:22 / cg" |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
343 |
! |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
344 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
345 |
asRectangle |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
346 |
"return the enclosing rectangle; same as #bounds" |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
347 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
348 |
^ self bounds |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
349 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
350 |
"Created: 8.5.1996 / 14:36:35 / cg" |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
351 |
! |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
352 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
353 |
asStroker |
1353 | 354 |
"return a wrapper which displays the receiver as stroked outline" |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
355 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
356 |
^ StrokingWrapper on:self |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
357 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
358 |
"Created: 8.5.1996 / 14:38:09 / cg" |
1353 | 359 |
"Modified: 8.5.1996 / 18:23:00 / cg" |
2377 | 360 |
! |
361 |
||
4352 | 362 |
asVisualComponent |
363 |
"return a wrapper on the receiver, which responds to VisualComponent messages." |
|
364 |
||
2377 | 365 |
^ self asStroker |
366 |
||
367 |
"Created: 10.2.1997 / 12:04:27 / cg" |
|
356 | 368 |
! ! |
369 |
||
370 |
!Geometric methodsFor:'displaying'! |
|
371 |
||
610 | 372 |
displayFilledOn:aGC |
373 |
"display myself filled on a graphicsContext; the current graphics |
|
374 |
attributes are used. Since we do not know how to do it, nothing is |
|
375 |
drawn here." |
|
376 |
||
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
377 |
^ self subclassResponsibility |
610 | 378 |
|
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
379 |
"Modified: 8.5.1996 / 09:07:02 / cg" |
610 | 380 |
! |
381 |
||
356 | 382 |
displayOn:aGC |
383 |
"display myself on a graphicsContext; the current graphics |
|
384 |
attributes are used. The default here is to display the outline." |
|
385 |
||
386 |
^ self displayStrokedOn:aGC |
|
387 |
! |
|
388 |
||
389 |
displayStrokedOn:aGC |
|
390 |
"display my outline on a graphicsContext; the current graphics |
|
1357 | 391 |
attributes are used. Since we do not know how to do it, nothing is |
356 | 392 |
drawn here." |
393 |
||
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
394 |
^ self subclassResponsibility |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
395 |
|
1357 | 396 |
"Modified: 8.5.1996 / 21:20:19 / cg" |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
397 |
! ! |
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
398 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
399 |
!Geometric methodsFor:'queries'! |
356 | 400 |
|
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
401 |
bounds |
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
402 |
"return the smallest enclosing rectangle. |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
403 |
This resends computeBounds, to allow caching of bounds in |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
404 |
case this computation is expensive." |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
405 |
|
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
406 |
^ self computeBounds |
1350
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
407 |
|
85eec07b093b
doku, comments, examples & more functionality
Claus Gittinger <cg@exept.de>
parents:
1314
diff
changeset
|
408 |
"Created: 8.5.1996 / 13:56:08 / cg" |
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
409 |
"Modified: 12.2.1997 / 11:41:38 / cg" |
1446
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
410 |
! |
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
411 |
|
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
412 |
canBeFilled |
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
413 |
"return true, if the receiver can be drawn as a filled geometric. |
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
414 |
Return false here, since we dont know." |
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
415 |
|
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
416 |
^ false |
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
417 |
|
fabdc1d2598c
added #canBeFilled for protocol completeness
Claus Gittinger <cg@exept.de>
parents:
1390
diff
changeset
|
418 |
"Created: 1.6.1996 / 11:28:58 / cg" |
2376 | 419 |
! |
420 |
||
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
421 |
computeBounds |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
422 |
"return the smallest enclosing rectangle." |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
423 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
424 |
^ self subclassResponsibility |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
425 |
|
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
426 |
"Created: 12.2.1997 / 11:41:58 / cg" |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
427 |
! |
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
428 |
|
4352 | 429 |
outlineIntersects:aRectangle |
2376 | 430 |
"return true, if the receivers image intersects |
431 |
aRectangle, when drawn as an outline. |
|
432 |
Here, all we can do is to ask the boundary rectangle; |
|
433 |
subclasses should reimplement better checks." |
|
4352 | 434 |
|
2376 | 435 |
^ self bounds intersects:aRectangle |
436 |
||
437 |
"Modified: 10.2.1997 / 13:40:36 / cg" |
|
438 |
! |
|
439 |
||
4352 | 440 |
regionIntersects:aRectangle |
2376 | 441 |
"return true, if the receivers image intersects |
442 |
aRectangle, when drawn as a filled version. |
|
443 |
Here, all we can do is to ask the boundary rectangle; |
|
444 |
subclasses should reimplement better checks." |
|
4352 | 445 |
|
2376 | 446 |
^ self bounds intersects:aRectangle |
447 |
||
448 |
"Modified: 10.2.1997 / 13:40:00 / cg" |
|
356 | 449 |
! ! |
450 |
||
4352 | 451 |
!Geometric methodsFor:'testing'! |
452 |
||
453 |
isBezier2Segment |
|
454 |
"return true, if the receiver is a quadratic bezier segment" |
|
455 |
||
456 |
^ false |
|
457 |
! |
|
458 |
||
459 |
isLineSegment |
|
460 |
"return true, if the receiver is a line segment" |
|
461 |
||
462 |
^ false |
|
463 |
! ! |
|
464 |
||
5570 | 465 |
!Geometric methodsFor:'transformations'! |
2377 | 466 |
|
4352 | 467 |
scaledBy:scaleAmount |
2377 | 468 |
"return a copy of the receiver, which is scaled by the argument, |
469 |
a point or number" |
|
4352 | 470 |
|
2377 | 471 |
^ self subclassResponsibility |
472 |
||
473 |
"Created: 10.2.1997 / 12:05:45 / cg" |
|
474 |
! |
|
475 |
||
4352 | 476 |
translatedBy:scaleAmount |
2377 | 477 |
"return a copy of the receiver, which is translated by the argument, |
478 |
a point or number" |
|
4352 | 479 |
|
2377 | 480 |
^ self subclassResponsibility |
481 |
||
482 |
"Created: 10.2.1997 / 12:05:56 / cg" |
|
483 |
! ! |
|
484 |
||
637 | 485 |
!Geometric class methodsFor:'documentation'! |
486 |
||
487 |
version |
|
5570 | 488 |
^ '$Header: /cvs/stx/stx/libbasic/Geometric.st,v 1.26 2000-08-31 10:02:48 cg Exp $' |
637 | 489 |
! ! |
2381
10af98758a49
added dummy Scale & InverseScale classVars.
Claus Gittinger <cg@exept.de>
parents:
2377
diff
changeset
|
490 |
Geometric initialize! |