1 |
|
|
/* |
2 |
|
|
Teem: Tools to process and visualize scientific data and images . |
3 |
|
|
Copyright (C) 2013, 2012, 2011, 2010, 2009 University of Chicago |
4 |
|
|
Copyright (C) 2008, 2007, 2006, 2005 Gordon Kindlmann |
5 |
|
|
Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998 University of Utah |
6 |
|
|
|
7 |
|
|
This library is free software; you can redistribute it and/or |
8 |
|
|
modify it under the terms of the GNU Lesser General Public License |
9 |
|
|
(LGPL) as published by the Free Software Foundation; either |
10 |
|
|
version 2.1 of the License, or (at your option) any later version. |
11 |
|
|
The terms of redistributing and/or modifying this software also |
12 |
|
|
include exceptions to the LGPL that facilitate static linking. |
13 |
|
|
|
14 |
|
|
This library is distributed in the hope that it will be useful, |
15 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 |
|
|
Lesser General Public License for more details. |
18 |
|
|
|
19 |
|
|
You should have received a copy of the GNU Lesser General Public License |
20 |
|
|
along with this library; if not, write to Free Software Foundation, Inc., |
21 |
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
22 |
|
|
*/ |
23 |
|
|
|
24 |
|
|
#include "mite.h" |
25 |
|
|
#include "privateMite.h" |
26 |
|
|
|
27 |
|
|
miteShadeSpec * |
28 |
|
|
miteShadeSpecNew(void) { |
29 |
|
|
miteShadeSpec *shpec; |
30 |
|
|
|
31 |
|
|
shpec = (miteShadeSpec *)calloc(1, sizeof(miteShadeSpec)); |
32 |
|
|
if (shpec) { |
33 |
|
|
shpec->method = miteShadeMethodUnknown; |
34 |
|
|
shpec->vec0 = gageItemSpecNew(); |
35 |
|
|
shpec->vec1 = gageItemSpecNew(); |
36 |
|
|
shpec->scl0 = gageItemSpecNew(); |
37 |
|
|
shpec->scl1 = gageItemSpecNew(); |
38 |
|
|
if (!( shpec->vec0 && shpec->vec1 && |
39 |
|
|
shpec->scl0 && shpec->scl1 )) { |
40 |
|
|
return NULL; |
41 |
|
|
} |
42 |
|
|
} |
43 |
|
|
return shpec; |
44 |
|
|
} |
45 |
|
|
|
46 |
|
|
miteShadeSpec * |
47 |
|
|
miteShadeSpecNix(miteShadeSpec *shpec) { |
48 |
|
|
|
49 |
|
|
if (shpec) { |
50 |
|
|
shpec->vec0 = gageItemSpecNix(shpec->vec0); |
51 |
|
|
shpec->vec1 = gageItemSpecNix(shpec->vec1); |
52 |
|
|
shpec->scl0 = gageItemSpecNix(shpec->scl0); |
53 |
|
|
shpec->scl1 = gageItemSpecNix(shpec->scl1); |
54 |
|
|
airFree(shpec); |
55 |
|
|
} |
56 |
|
|
return NULL; |
57 |
|
|
} |
58 |
|
|
|
59 |
|
|
/* |
60 |
|
|
******** miteShadeSpecParse |
61 |
|
|
** |
62 |
|
|
** set up a miteShadeSpec based on a string. Valid forms are: |
63 |
|
|
** |
64 |
|
|
** none |
65 |
|
|
** phong:<vector> |
66 |
|
|
** litten:<vector>,<vector>,<scalar>,<scalar> |
67 |
|
|
** |
68 |
|
|
** where <vector> and <scalar> are specifications of 3-vector and scalar |
69 |
|
|
** parsable by miteVariableParse |
70 |
|
|
*/ |
71 |
|
|
int |
72 |
|
|
miteShadeSpecParse(miteShadeSpec *shpec, char *shadeStr) { |
73 |
|
|
static const char me[]="miteShadeSpecParse"; |
74 |
|
|
char *buff, *qstr, *tok, *state; |
75 |
|
|
airArray *mop; |
76 |
|
|
int ansLength; |
77 |
|
|
|
78 |
|
|
mop = airMopNew(); |
79 |
|
|
if (!( shpec && airStrlen(shadeStr) )) { |
80 |
|
|
biffAddf(MITE, "%s: got NULL pointer and/or empty string", me); |
81 |
|
|
airMopError(mop); return 1; |
82 |
|
|
} |
83 |
|
|
buff = airToLower(airStrdup(shadeStr)); |
84 |
|
|
if (!buff) { |
85 |
|
|
biffAddf(MITE, "%s: couldn't strdup shading spec", me); |
86 |
|
|
airMopError(mop); return 1; |
87 |
|
|
} |
88 |
|
|
airMopAdd(mop, buff, airFree, airMopAlways); |
89 |
|
|
shpec->method = miteShadeMethodUnknown; |
90 |
|
|
if (!strcmp("none", buff)) { |
91 |
|
|
shpec->method = miteShadeMethodNone; |
92 |
|
|
} else if (buff == strstr(buff, "phong:")) { |
93 |
|
|
shpec->method = miteShadeMethodPhong; |
94 |
|
|
qstr = buff + strlen("phong:"); |
95 |
|
|
if (miteVariableParse(shpec->vec0, qstr)) { |
96 |
|
|
biffAddf(MITE, "%s: couldn't parse \"%s\" as shading vector", me, qstr); |
97 |
|
|
airMopError(mop); return 1; |
98 |
|
|
} |
99 |
|
|
ansLength = shpec->vec0->kind->table[shpec->vec0->item].answerLength; |
100 |
|
|
if (3 != ansLength) { |
101 |
|
|
biffAddf(MITE, "%s: \"%s\" isn't a vector (answer length is %d, not 3)", |
102 |
|
|
me, qstr, ansLength); |
103 |
|
|
airMopError(mop); return 1; |
104 |
|
|
} |
105 |
|
|
shpec->method = miteShadeMethodPhong; |
106 |
|
|
} else if (buff == strstr(buff, "litten:")) { |
107 |
|
|
qstr = buff + strlen("litten:"); |
108 |
|
|
/* ---- first vector */ |
109 |
|
|
tok = airStrtok(qstr, ",", &state); |
110 |
|
|
if (miteVariableParse(shpec->vec0, tok)) { |
111 |
|
|
biffAddf(MITE, "%s: couldn't parse \"%s\" as first lit-tensor vector", |
112 |
|
|
me, tok); |
113 |
|
|
airMopError(mop); return 1; |
114 |
|
|
} |
115 |
|
|
ansLength = shpec->vec0->kind->table[shpec->vec0->item].answerLength; |
116 |
|
|
if (3 != ansLength) { |
117 |
|
|
biffAddf(MITE, "%s: \"%s\" isn't a vector (answer length is %d, not 3)", |
118 |
|
|
me, qstr, ansLength); |
119 |
|
|
airMopError(mop); return 1; |
120 |
|
|
} |
121 |
|
|
/* ---- second vector */ |
122 |
|
|
tok = airStrtok(qstr, ",", &state); |
123 |
|
|
if (miteVariableParse(shpec->vec1, tok)) { |
124 |
|
|
biffAddf(MITE, "%s: couldn't parse \"%s\" as second lit-tensor vector", |
125 |
|
|
me, tok); |
126 |
|
|
airMopError(mop); return 1; |
127 |
|
|
} |
128 |
|
|
ansLength = shpec->vec1->kind->table[shpec->vec1->item].answerLength; |
129 |
|
|
if (3 != ansLength) { |
130 |
|
|
biffAddf(MITE, "%s: \"%s\" isn't a vector (answer length is %d, not 3)", |
131 |
|
|
me, qstr, ansLength); |
132 |
|
|
airMopError(mop); return 1; |
133 |
|
|
} |
134 |
|
|
/* ---- first scalar */ |
135 |
|
|
tok = airStrtok(qstr, ",", &state); |
136 |
|
|
if (miteVariableParse(shpec->scl0, tok)) { |
137 |
|
|
biffAddf(MITE, "%s: couldn't parse \"%s\" as first lit-tensor scalar", |
138 |
|
|
me, tok); |
139 |
|
|
airMopError(mop); return 1; |
140 |
|
|
} |
141 |
|
|
ansLength = shpec->scl0->kind->table[shpec->scl0->item].answerLength; |
142 |
|
|
if (1 != ansLength) { |
143 |
|
|
biffAddf(MITE, "%s: \"%s\" isn't a scalar (answer length is %d, not 1)", |
144 |
|
|
me, qstr, ansLength); |
145 |
|
|
airMopError(mop); return 1; |
146 |
|
|
} |
147 |
|
|
/* ---- second scalar */ |
148 |
|
|
tok = airStrtok(qstr, ",", &state); |
149 |
|
|
if (miteVariableParse(shpec->scl1, tok)) { |
150 |
|
|
biffAddf(MITE, "%s: couldn't parse \"%s\" as second lit-tensor scalar", |
151 |
|
|
me, tok); |
152 |
|
|
airMopError(mop); return 1; |
153 |
|
|
} |
154 |
|
|
ansLength = shpec->scl1->kind->table[shpec->scl1->item].answerLength; |
155 |
|
|
if (1 != ansLength) { |
156 |
|
|
biffAddf(MITE, "%s: \"%s\" isn't a scalar (answer length is %d, not 1)", |
157 |
|
|
me, qstr, ansLength); |
158 |
|
|
airMopError(mop); return 1; |
159 |
|
|
} |
160 |
|
|
shpec->method = miteShadeMethodLitTen; |
161 |
|
|
} else { |
162 |
|
|
biffAddf(MITE, "%s: shading specification \"%s\" not understood", |
163 |
|
|
me, shadeStr); |
164 |
|
|
airMopError(mop); return 1; |
165 |
|
|
} |
166 |
|
|
airMopOkay(mop); |
167 |
|
|
return 0; |
168 |
|
|
} |
169 |
|
|
|
170 |
|
|
void |
171 |
|
|
miteShadeSpecPrint(char *buff, const miteShadeSpec *shpec) { |
172 |
|
|
static const char me[]="miteShadeSpecPrint"; |
173 |
|
|
char var[4][AIR_STRLEN_MED]; |
174 |
|
|
|
175 |
|
|
if (buff && shpec) { |
176 |
|
|
switch(shpec->method) { |
177 |
|
|
case miteShadeMethodNone: |
178 |
|
|
sprintf(buff, "none"); |
179 |
|
|
break; |
180 |
|
|
case miteShadeMethodPhong: |
181 |
|
|
miteVariablePrint(var[0], shpec->vec0); |
182 |
|
|
sprintf(buff, "phong:%s", var[0]); |
183 |
|
|
break; |
184 |
|
|
case miteShadeMethodLitTen: |
185 |
|
|
miteVariablePrint(var[0], shpec->vec0); |
186 |
|
|
miteVariablePrint(var[1], shpec->vec1); |
187 |
|
|
miteVariablePrint(var[2], shpec->scl0); |
188 |
|
|
miteVariablePrint(var[3], shpec->scl1); |
189 |
|
|
sprintf(buff, "litten:%s,%s,%s,%s", var[0], var[1], var[2], var[3]); |
190 |
|
|
break; |
191 |
|
|
default: |
192 |
|
|
sprintf(buff, "%s: unknown shade method!", me); |
193 |
|
|
break; |
194 |
|
|
} |
195 |
|
|
} |
196 |
|
|
return; |
197 |
|
|
} |
198 |
|
|
|
199 |
|
|
void |
200 |
|
|
miteShadeSpecQueryAdd(gageQuery queryScl, gageQuery queryVec, |
201 |
|
|
gageQuery queryTen, gageQuery queryMite, |
202 |
|
|
miteShadeSpec *shpec) { |
203 |
|
|
if (shpec) { |
204 |
|
|
switch(shpec->method) { |
205 |
|
|
case miteShadeMethodNone: |
206 |
|
|
/* no queries to add */ |
207 |
|
|
break; |
208 |
|
|
case miteShadeMethodPhong: |
209 |
|
|
miteQueryAdd(queryScl, queryVec, queryTen, queryMite, shpec->vec0); |
210 |
|
|
break; |
211 |
|
|
case miteShadeMethodLitTen: |
212 |
|
|
miteQueryAdd(queryScl, queryVec, queryTen, queryMite, shpec->vec0); |
213 |
|
|
miteQueryAdd(queryScl, queryVec, queryTen, queryMite, shpec->vec1); |
214 |
|
|
miteQueryAdd(queryScl, queryVec, queryTen, queryMite, shpec->scl0); |
215 |
|
|
miteQueryAdd(queryScl, queryVec, queryTen, queryMite, shpec->scl1); |
216 |
|
|
break; |
217 |
|
|
default: |
218 |
|
|
break; |
219 |
|
|
} |
220 |
|
|
} |
221 |
|
|
return; |
222 |
|
|
} |
223 |
|
|
|