1 # anm-obj.tcl --
2 #
3 # FIXME: This file needs a description here.
4 #
5 # Copyright (c) 1993-2002 The Regents of the University of California.
6 # All rights reserved.
7 #
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions are met:
10 #
11 # A. Redistributions of source code must retain the above copyright notice,
12 # this list of conditions and the following disclaimer.
13 # B. Redistributions in binary form must reproduce the above copyright notice,
14 # this list of conditions and the following disclaimer in the documentation
15 # and/or other materials provided with the distribution.
16 # C. Neither the names of the copyright holders nor the names of its
17 # contributors may be used to endorse or promote products derived from this
18 # software without specific prior written permission.
19 #
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
21 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
24 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #
31 # $Header: /usr/mash/src/repository/mash/mash-1/tcl/atobj/anm-obj.tcl,v 1.6 2002/02/03 04:25:26 lim Exp $
32
33
34 Class AnmObj
35
36 AnmObj instproc init {eId {sT 0} {eT inf}} {
37 $self instvar eId_ eT_ sT_
38 set eId_ $eId
39 set sT_ $sT
40 set eT_ $eT
41 if {$eT_ == "inf"} {
42 $self set isStatic_ 1
43 } else {
44 $self set isStatic_ 0
45 }
46 }
47
48 AnmObj instproc destroy {} { $self next }
49
50 AnmObj instproc isStatic {} {
51 return [$self set isStatic_]
52 }
53
54 AnmObj instproc draw {t} {
55 }
56
57 AnmObj instproc update {time} {
58 if [$self isStatic] return
59 if { $time < [$self set sT_] || $time > [$self set eT_] } {
60 $self remove
61 }
62 }
63
64 AnmObj instproc inRange {t} {
65 $self instvar sT_ eT_
66 return [expr $t >= $sT_ && $t <= $eT_]
67 }
68
69 # bbox is in the form [left top right bottom]
70 AnmObj instproc set_bbox {bbox} { $self set bbox_ $bbox }
71
72 AnmObj instproc eId {} {
73 return [$self set eId_]
74 }
75
76 # updates bboxVar of the caller to contain bboxVar and this AnmObj
77 AnmObj instproc merge {bboxVar} {
78 $self instvar bbox_
79 if ![info exists bbox_] return
80
81 upvar $bboxVar newBBox
82 foreach {bxmin bymin bxmax bymax} $bbox_ \
83 {xmin ymin xmax ymax} $newBBox {
84 set newBBox [list \
85 [expr ($bxmin < $xmin) ? $bxmin : $xmin] \
86 [expr ($bymin < $ymin) ? $bymin : $ymin] \
87 [expr ($bxmax > $xmax) ? $bxmax : $xmax] \
88 [expr ($bymax > $ymax) ? $bymax : $ymax]]
89 }
90 }
91
92 AnmObj instproc set_drawboard {drawboard wgt} {
93 $self instvar drawboard_ parent_
94 set drawboard_ $wgt
95 set parent_ $drawboard
96 }
97
98 # NOTE: there should be no instvar declarations in this procedure,
99 # as a bug in otcl/tcl causes duplicate free's
100 AnmObj instproc remove {} {
101 # parent will delete this object after remove
102 [$self set parent_] remove [$self set eId_]
103 }
104
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