/usr/share/nip2/compat/7.28/_types.def is in nip2 7.38.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 | /* A list of things. Do automatic iteration of unary and binary operators on
* us.
* List [1, 2] + [2, 3] -> List [3, 5]
* hd (List [2, 3]) -> 2
* List [] == [] -> true
*/
List value = class
_Object {
_check_args = [
[value, "value", check_list]
];
// methods
oo_binary_table op x = [
[apply2 op value x',
op.op_name == "subscript" || op.op_name == "subscript'" ||
op.op_name == "equal" || op.op_name == "equal'"],
[this.List (apply2 op value x'),
op.op_name == "join" || op.op_name == "join'"],
[this.List (map2 (apply2 op) value x'),
is_list x'],
[this.List (map (apply2 op' x) value),
true]
] ++ super.oo_binary_table op x
{
op' = oo_converse op;
// strip the List wrapper, if any
x'
= x.value, is_List x
= x;
apply2 op x1 x2
= oo_binary_function op x1 x2, is_class x1
= oo_binary'_function op x1 x2, is_class x2
= op.fn x1 x2;
};
oo_unary_table op = [
[apply value,
op.op_name == "hd" || op.op_name == "tl"],
[this.List (map apply value),
true]
] ++ super.oo_unary_table op
{
apply x
= oo_unary_function op x, is_class x
= op.fn x;
}
}
/* A group of things. Loop the operation over the group.
*/
Group value = class
_Object {
_check_args = [
[value, "value", check_list]
];
// methods
oo_binary_table op x = [
// if_then_else is really a trinary operator
[map_trinary ite this x?0 x?1,
op.op_name == "if_then_else"],
[map_binary op.fn this x,
is_Group x],
[map_unary (\a op.fn a x) this,
true]
] ++ super.oo_binary_table op x;
oo_unary_table op = [
[map_unary op.fn this,
true]
] ++ super.oo_unary_table op;
// we can't call map_trinary directly, since it uses Group and we
// don't support mutually recursive top-level functions :-(
// copy-paste it here, keep in sync with the version in _stdenv
map_nary fn args
= fn args, groups == []
= Group (map process [0, 1 .. shortest - 1])
{
groups = filter is_Group args;
shortest = foldr1 min_pair (map (len @ get_value) groups);
process n
= NULL, any (map (is_noval n) args)
= map_nary fn (map (extract n) args)
{
extract n arg
= arg.value?n, is_Group arg
= arg;
is_noval n arg = is_Group arg && arg.value?n == NULL;
}
}
// need ite as a true trinary
ite a b c = if a then b else c;
map_unary fn a = map_nary (list_1ary fn) [a];
map_binary fn a b = map_nary (list_2ary fn) [a, b];
map_trinary fn a b c = map_nary (list_3ary fn) [a, b, c];
}
/* Single real number ... eg slider.
*/
Real value = class
_Object {
_check_args = [
[value, "value", check_real]
];
// methods
oo_binary_table op x = [
[this.Real (op.fn this.value x.value),
is_Real x &&
op.type == Operator_type.ARITHMETIC],
[this.Real (op.fn this.value x),
is_real x &&
op.type == Operator_type.ARITHMETIC],
[op.fn this.value x.value,
is_Real x &&
op.type == Operator_type.RELATIONAL],
[op.fn this.value x,
!is_class x]
] ++ super.oo_binary_table op x;
oo_unary_table op = [
[this.Real (op.fn this.value),
op.type == Operator_type.ARITHMETIC],
[op.fn this.value,
true]
] ++ super.oo_unary_table op;
}
/* Single bool ... eg Toggle.
*/
Bool value = class
_Object {
_check_args = [
[value, "value", check_bool]
];
// methods
oo_binary_table op x = [
[op.fn this.value x,
op.op_name == "if_then_else"],
[this.Bool (op.fn this.value x.value),
is_Bool x],
[this.Bool (op.fn this.value x),
is_bool x]
] ++ super.oo_binary_table op x;
oo_unary_table op = [
[this.Bool (op.fn this.value),
op.type == Operator_type.ARITHMETIC ||
op.type == Operator_type.RELATIONAL],
[op.fn this.value,
true]
] ++ super.oo_unary_table op;
}
/* An editable string.
*/
String caption value = class
_Object {
_check_args = [
[caption, "caption", check_string],
[value, "value", check_string]
];
}
/* An editable real number.
*/
Number caption value = class
scope.Real value {
_check_args = [
[caption, "caption", check_string]
];
Real x = this.Number caption x;
}
/* An editable expression.
*/
Expression caption expr = class
(if is_class expr then expr else _Object) {
_check_args = [
[caption, "caption", check_string],
[expr, "expr", check_any]
];
}
/* A ticking clock.
*/
Clock interval value = class
scope.Real value {
_check_args = [
[interval, "interval", check_real]
];
Real x = this.Clock interval x;
}
/* An editable filename.
*/
Pathname caption value = class
_Object {
_check_args = [
[caption, "caption", check_string],
[value, "value", check_string]
];
}
/* An editable fontname.
*/
Fontname caption value = class
_Object {
_check_args = [
[caption, "caption", check_string],
[value, "value", check_string]
];
}
/* Vector type ... just a finite list of real. Handy for wrapping an
* argument to eg. im_lintra_vec. Make it behave like a single pixel image.
*/
Vector value = class
_Object {
_check_args = [
[value, "value", check_real_list]
];
bands = len value;
// methods
oo_binary_table op x = [
// Vector ++ Vector means bandwise join
[this.Vector (op.fn this.value x.value),
is_Vector x &&
(op.op_name == "join" || op.op_name == "join'")],
[this.Vector (op.fn this.value [get_number x]),
has_number x &&
(op.op_name == "join" || op.op_name == "join'")],
// Vector ? number means extract element
[op.fn this.value (get_real x),
has_real x &&
(op.op_name == "subscript" ||
op.op_name == "subscript'")],
// extra check for lengths equal
[this.Vector (map_binaryl op.fn this.value x.value),
is_Vector x &&
len value == len x.value &&
op.type == Operator_type.ARITHMETIC],
[this.Vector (map_binaryl op.fn this.value (get_real x)),
has_real x &&
op.type == Operator_type.ARITHMETIC],
// need extra length check
[this.Vector (map bool_to_real
(map_binaryl op.fn this.value x.value)),
is_Vector x &&
len value == len x.value &&
op.type == Operator_type.RELATIONAL],
[this.Vector (map bool_to_real
(map_binaryl op.fn this.value (get_real x))),
has_real x &&
op.type == Operator_type.RELATIONAL],
[this.Vector (op.fn this.value x.value),
is_Vector x &&
len value == len x.value &&
op.type == Operator_type.COMPOUND_REWRAP],
[x.Image (vec op'.op_name x.value value),
is_Image x],
[vec op'.op_name x value,
is_image x],
[op.fn this.value x,
is_real x]
] ++ super.oo_binary_table op x
{
op' = oo_converse op;
};
oo_unary_table op = [
[this.Vector (map_unaryl op.fn this.value),
op.type == Operator_type.ARITHMETIC],
[this.Vector (map bool_to_real
(map_unaryl op.fn this.value)),
op.type == Operator_type.RELATIONAL],
[this.Vector (op.fn this.value),
op.type == Operator_type.COMPOUND_REWRAP],
[op.fn this.value,
true]
] ++ super.oo_unary_table op;
// turn an ip bool (or a number, for Vector) into VIPSs 255/0
bool_to_real x
= 255, is_bool x && x
= 255, is_number x && x != 0
= 0;
}
/* A rectangular array of real.
*/
Matrix_base value = class
_Object {
_check_args = [
[value, "value", check_matrix]
];
// calculate these from value
width = len value?0;
height = len value;
// extract a rectanguar area
extract left top width height
= this.Matrix_base
((map (take width) @ map (drop left) @
take height @ drop top) value);
// methods
oo_binary_table op x = [
// mat multiply is special
[this.Matrix_base mul.value,
is_Matrix x &&
op.op_name == "multiply"],
[this.Matrix_base mul'.value,
is_Matrix x &&
op.op_name == "multiply'"],
// mat divide is also special
[this.Matrix_base div.value,
is_Matrix x &&
op.op_name == "divide"],
[this.Matrix_base div'.value,
is_Matrix x &&
op.op_name == "divide'"],
// power -1 means invert
[this.Matrix_base inv.value,
is_real x && x == -1 &&
op.op_name == "power"],
[this.Matrix_base sq.value,
is_real x && x == 2 &&
op.op_name == "power"],
[error "matrix **-1 and **2 only",
op.op_name == "power" ||
op.op_name == "power'"],
// matrix op vector ... treat a vector as a 1 row matrix
[this.Matrix_base (map (map_binaryl op'.fn x.value) this.value),
is_Vector x &&
op.type == Operator_type.ARITHMETIC],
[this.Matrix_base (map_binaryl op.fn this.value x.value),
(is_Matrix x || is_Real x) &&
op.type == Operator_type.ARITHMETIC],
[this.Matrix_base (map_binaryl op.fn this.value x),
is_real x &&
op.type == Operator_type.ARITHMETIC],
// compound ... don't do iteration
[this.Matrix_base (op.fn this.value x.value),
(is_Matrix x || is_Real x || is_Vector x) &&
op.type == Operator_type.COMPOUND_REWRAP],
[op.fn this.value x,
op.type == Operator_type.COMPOUND]
] ++ super.oo_binary_table op x
{
mul = im_matmul this x;
mul' = im_matmul x this;
div = im_matmul this (im_matinv x);
div' = im_matmul x (im_matinv this);
inv = im_matinv this;
sq = im_matmul this this;
op' = oo_converse op;
}
oo_unary_table op = [
[this.Matrix_base (map_unaryl op.fn this.value),
op.type == Operator_type.ARITHMETIC],
[this.Matrix_base (op.fn this.value),
op.type == Operator_type.COMPOUND_REWRAP],
[op.fn this.value,
true]
] ++ super.oo_unary_table op;
}
/* How to display a matrix: text, sliders, toggles, or text plus scale/offset.
*/
Matrix_display = class {
text = 0;
slider = 1;
toggle = 2;
text_scale_offset = 3;
is_display = member [text, slider, toggle, text_scale_offset];
}
/* A matrix as VIPS sees them ... add scale, offset and filename. For nip, add
* a display type as well to control how the widget renders.
*/
Matrix_vips value scale offset filename display = class
scope.Matrix_base value {
_check_args = [
[scale, "scale", check_real],
[offset, "offset", check_real],
[filename, "filename", check_string],
[display, "display", check_matrix_display]
];
Matrix_base x = this.Matrix_vips x scale offset filename display;
}
/* A plain 'ol matrix which can be passed to VIPS.
*/
Matrix value = class
Matrix_vips value 1 0 "" Matrix_display.text {}
/* Specialised constructors ... for convolutions, recombinations and
* morphologies.
*/
Matrix_con scale offset value = class
Matrix_vips value scale offset "" Matrix_display.text_scale_offset {};
Matrix_rec value = class
Matrix_vips value 1 0 "" Matrix_display.slider {};
Matrix_mor value = class
Matrix_vips value 1 0 "" Matrix_display.toggle {};
Matrix_file filename = (im_read_dmask @ expand @ search) filename;
/* A CIE colour ... a triple, plus a format (eg XYZ, Lab etc)
*/
Colour colour_space value = class
scope.Vector value {
_check_args = [
[colour_space, "colour_space", check_colour_space]
];
_check_all = [
[is_list_len 3 value, "len value == 3"]
];
Vector x = this.Colour colour_space x;
// make a colour-ish thing from an image
// back to Colour if we have another 3 band image
// to a vector if bands > 1
// to a number otherwise
itoc im
= this.Colour nip_type (to_matrix im).value?0,
bands == 3
= scope.Vector (map mean (bandsplit im)),
bands > 1
= mean im
{
type = get_header "Type" im;
bands = get_header "Bands" im;
nip_type = Image_type.colour_spaces.lookup 1 0 type;
}
// methods
oo_binary_table op x = [
[itoc (op.fn
((float) (to_image this).value)
((float) (to_image x).value)),
// here REWRAP means go via image
op.type == Operator_type.COMPOUND_REWRAP]
] ++ super.oo_binary_table op x;
oo_unary_table op = [
[itoc (op.fn ((float) (to_image this).value)),
op.type == Operator_type.COMPOUND_REWRAP]
] ++ super.oo_unary_table op;
}
// a subclass with widgets for picking a space and value
Colour_picker default_colour default_value = class
Colour space.item colour.expr {
_vislevel = 3;
space = Option_enum "Colour space" Image_type.colour_spaces default_colour;
colour = Expression "Colour value" default_value;
Colour_edit colour_space value =
Colour_picker colour_space value;
}
/* Base scale type.
*/
Scale caption from to value = class
scope.Real value {
_check_args = [
[caption, "caption", check_string],
[from, "from", check_real],
[to, "to", check_real]
];
_check_all = [
[from < to, "from < to"]
];
Real x = this.Scale caption from to x;
// methods
oo_binary_table op x = [
[this.Scale caption (op.fn this.from x.from) (op.fn this.to x.to)
(op.fn this.value x.value),
is_Scale x &&
op.type == Operator_type.ARITHMETIC],
[this.Scale caption (op.fn this.from x) (op.fn this.to x)
(op.fn this.value x),
is_real x &&
op.type == Operator_type.ARITHMETIC]
] ++ super.oo_binary_table op x;
}
/* Base toggle type.
*/
Toggle caption value = class
scope.Bool value {
_check_args = [
[caption, "caption", check_string],
[value, "value", check_bool]
];
Bool x = this.Toggle caption x;
}
/* Base option type.
*/
Option caption labels value = class
scope.Real value {
_check_args = [
[caption, "caption", check_string],
[labels, "labels", check_string_list],
[value, "value", check_uint]
];
}
/* An option whose value is a string rather than a number.
*/
Option_string caption labels item = class
Option caption labels (index (equal item) labels) {
Option_edit caption labels value
= this.Option_string caption labels (labels?value);
}
/* Make an option from an enum.
*/
Option_enum caption enum item = class
Option_string caption enum.names item {
// corresponding thing
value_thing = enum.get_thing item;
Option_edit caption labels value
= this.Option_enum caption enum (enum.names?value);
}
/* A rectangle. width and height can be -ve.
*/
Rect left top width height = class
_Object {
_check_args = [
[left, "left", check_real],
[top, "top", check_real],
[width, "width", check_real],
[height, "height", check_real]
];
// derived
right = left + width;
bottom = top + height;
oo_binary_table op x = [
[equal x,
is_Rect x &&
(op.op_name == "equal" || op.op_name == "equal'")],
[!equal x,
is_Rect x &&
(op.op_name == "not_equal" ||
op.op_name == "not_equal'")],
// binops with a complex are the same as (comp op comp)
[oo_binary_function op this (Rect (re x) (im x) 0 0),
is_complex x],
// all others are just pairwise
[this.Rect left' top' width' height',
is_Rect x &&
op.type == Operator_type.ARITHMETIC],
[this.Rect left'' top'' width'' height'',
has_number x &&
op.type == Operator_type.ARITHMETIC]
] ++ super.oo_binary_table op x
{
left' = op.fn left x.left;
top' = op.fn top x.top;
width' = op.fn width x.width;
height' = op.fn height x.height;
left'' = op.fn left x';
top'' = op.fn top x';
width'' = op.fn width x';
height'' = op.fn height x';
x' = get_number x;
}
oo_unary_table op = [
// arithmetic uops just map
[this.Rect left' top' width' height',
op.type == Operator_type.ARITHMETIC],
// compound uops are just like ops on complex
// do (width, height) so thing like abs(Arrow) work as you'd expect
[op.fn (width, height),
op.type == Operator_type.COMPOUND]
] ++ super.oo_unary_table op
{
left' = op.fn left;
top' = op.fn top;
width' = op.fn width;
height' = op.fn height;
}
// empty? ie. contains no pixels
is_empty = width == 0 || height == 0;
// normalised version, ie. make width/height +ve and flip the origin
nleft
= left + width, width < 0
= left;
ntop
= top + height, height < 0
= top;
nwidth = abs width;
nheight = abs height;
nright = nleft + nwidth;
nbottom = ntop + nheight;
equal x = left == x.left && top == x.top &&
width == x.width && height == x.height;
// contains a point?
includes_point x y
= nleft <= x && x <= nright && ntop <= y && y <= nbottom;
// contains a rect? just test top left and bottom right points
includes_rect r
= includes_point r.nleft r.ntop &&
includes_point r.nright r.nbottom;
// bounding box of two rects
// if either is empty, can just return the other
union r
= r, is_empty
= this, r.is_empty
= Rect left' top' width' height'
{
left' = min_pair nleft r.nleft;
top' = min_pair ntop r.ntop;
width' = max_pair nright r.nright - left';
height' = max_pair nbottom r.nbottom - top';
}
// intersection of two rects ... empty rect if no intersection
intersect r
= Rect left' top' width'' height''
{
left' = max_pair nleft r.nleft;
top' = max_pair ntop r.ntop;
width' = min_pair nright r.nright - left';
height' = min_pair nbottom r.nbottom - top';
width''
= width', width > 0
= 0;
height''
= height', height > 0
= 0;
}
// expand/collapse by n pixels
margin_adjust n
= Rect (left - n) (top - n) (width + 2 * n) (height + 2 * n);
}
/* Values for Compression field in image.
*/
Image_compression = class {
NONE = 0;
NO_COMPRESSION = 0;
TCSF_COMPRESSION = 1;
JPEG_COMPRESSION = 2;
LABPACK_COMPRESSED = 3;
RGB_COMPRESSED = 4;
LUM_COMPRESSED = 5;
}
/* Values for Coding field in image.
*/
Image_coding = class {
NONE = 0;
NOCODING = 0;
COLQUANT = 1;
LABPACK = 2;
RAD = 6;
}
/* Values for BandFmt field in image.
*/
Image_format = class {
DPCOMPLEX = 9;
DOUBLE = 8;
COMPLEX = 7;
FLOAT = 6;
INT = 5;
UINT = 4;
SHORT = 3;
USHORT = 2;
CHAR = 1;
UCHAR = 0;
NOTSET = -1;
maxval fmt
= [
255, // UCHAR
127, // CHAR
65535, // USHORT
32767, // SHORT
4294967295, // UINT
2147483647, // INT
255, // FLOAT
255, // COMPLEX
255, // DOUBLE
255 // DPCOMPLEX
] ? fmt, fmt >= 0 && fmt <= DPCOMPLEX
= error (_ "bad value for BandFmt");
}
/* A lookup table.
*/
Table value = class
_Object {
_check_args = [
[value, "value", check_rectangular]
];
/* Extract a column.
*/
column n = map (extract n) value;
/* present col x: is there an x in column col
*/
present col x = member (column col) x;
/* Look on column from, return matching item in column to.
*/
lookup from to x
= value?n?to, n >= 0
= error (_ "item" ++ " " ++ print x ++ " " ++ _ "not in table")
{
n = index (equal x) (column from);
}
}
/* A two column lookup table with the first column a string and the second a
* thing. Used for representing various enums. Option_enum makes a selector
* from one of these.
*/
Enum value = class
Table value {
_check_args = [
[value, "value", check_enum]
]
{
check_enum = [is_enum, _ "is [[char, *]]"];
is_enum x =
is_rectangular x &&
is_listof is_string (map (extract 0) x);
}
// handy ... all the names and things as lists
names = this.column 0;
things = this.column 1;
// is a legal name or thing
has_name x = this.present 1 x;
has_thing x = this.present 0 x;
// map things to strings and back
get_name x = this.lookup 1 0 x;
get_thing x = this.lookup 0 1 x;
}
/* Type field.
*/
Image_type = class {
MULTIBAND = 0;
B_W = 1;
HISTOGRAM = 10;
XYZ = 12;
LAB = 13;
CMYK = 15;
LABQ = 16;
RGB = 17;
UCS = 18;
LCH = 19;
LABS = 21;
sRGB = 22;
YXY = 23;
FOURIER = 24;
RGB16 = 25;
GREY16 = 26;
ARRAY = 27;
/* Table to get names <-> numbers.
*/
type_names = Enum [
$MULTIBAND => MULTIBAND,
$B_W => B_W,
$HISTOGRAM => HISTOGRAM,
$XYZ => XYZ,
$LAB => LAB,
$CMYK => CMYK,
$LABQ => LABQ,
$RGB => RGB,
$UCS => UCS,
$LCH => LCH,
$LABS => LABS,
$sRGB => sRGB,
$YXY => YXY,
$FOURIER => FOURIER,
$RGB16 => RGB16,
$GREY16 => GREY16,
$ARRAY => ARRAY
];
/* Table relating nip's colour space names and VIPS's Type numbers.
* Options generated from this, so match the order to the order in the
* Colour menu.
*/
colour_spaces = Enum [
$sRGB => sRGB,
$Lab => LAB,
$LCh => LCH,
$XYZ => XYZ,
$Yxy => YXY,
$UCS => UCS
];
/* A slightly larger table ... the types of colorimetric image we can
* have. Add mono, and the S and Q forms of LAB.
*/
image_colour_spaces = Enum [
$Mono => B_W,
$sRGB => sRGB,
$RGB16 => RGB16,
$GREY16 => GREY16,
$Lab => LAB,
$LabQ => LABQ,
$LabS => LABS,
$LCh => LCH,
$XYZ => XYZ,
$Yxy => YXY,
$UCS => UCS
];
}
/* Base image type. Simple layer over vips_image.
*/
Image value = class
_Object {
_check_args = [
[value, "value", check_image]
];
// fields from VIPS header
width = get_width value;
height = get_height value;
bands = get_bands value;
format = get_format value;
bits = get_bits value;
coding = get_coding value;
type = get_type value;
xres = get_header "Xres" value;
yres = get_header "Yres" value;
xoffset = get_header "Xoffset" value;
yoffset = get_header "Yoffset" value;
filename = get_header "filename" value;
// convenience ... the area our pixels occupy, as a rect
rect = Rect 0 0 width height;
// operator overloading
// (op Image Vector) done in Vector class
oo_binary_table op x = [
// handle image ++ constant here
[wrap join_result_image,
(has_real x || is_Vector x) &&
(op.op_name == "join" || op.op_name == "join'")],
[wrap ite_result_image,
op.op_name == "if_then_else"],
[wrap (op.fn this.value (get_image x)),
has_image x],
[wrap (op.fn this.value (get_number x)),
has_number x],
// if it's not a class on the RHS, handle here ... just apply and
// rewrap
[wrap (op.fn this.value x),
!is_class x]
// all other cases handled by other classes
] ++ super.oo_binary_table op x
{
// wrap the result with this
// x can be a non-image, eg. compare "Image v == []" vs.
// "Image v == 12"
wrap x
= x, op.type == Operator_type.COMPOUND ||
!is_image x
= this.Image x;
join_result_image
= value ++ new_stuff, op.op_name == "join"
= new_stuff ++ value
{
new_stuff = image_new width height new_bands
format
coding
Image_type.B_W x xoffset yoffset;
new_bands
= get_bands x, has_bands x
= 1;
}
[then_part, else_part] = x;
// get things about our output from inputs in this order
objects = [then_part, else_part, this];
// properties of our output image
target_bands = get_member_list has_bands get_bands objects;
target_type = get_member_list has_type get_type objects;
// if one of then/else is an image, get the target format from that
// otherwise, let the non-image objects set the target
target_format
= get_member_list has_format get_format x,
has_member_list has_format x
= NULL;
to_image x = to_image_size width height target_bands target_format x;
[then', else'] = map to_image x;
ite_result_image = image_set_type target_type
(if value then then' else else');
}
// FIXME ... yuk ... don't use operator hints, just always rewrap if
// we have an image result
// forced on us by things like abs:
// abs Vector -> real
// abs Image -> Image
// does not fit well with COMPOUND/whatever scheme
oo_unary_table op = [
[this.Image result,
is_image result],
[result,
true]
] ++ super.oo_unary_table op
{
result = op.fn this.value;
}
}
/* Construct an image from a file.
*/
Image_file filename = class
Image value {
_check_args = [
[filename, "filename", check_string]
];
value = vips_image filename;
}
Region image left top width height = class
Image value {
_check_args = [
[image, "Image", check_Image],
[left, "left", check_real],
[top, "top", check_real],
[width, "width", check_preal],
[height, "height", check_preal]
];
// a rect for our coordinates
// region.rect gets the rect for the extracted image
region_rect = Rect left top width height;
// we need to always succeed ... value is our enclosing image if we're
// out of bounds
value
= extract_area left top width height image.value,
image.rect.includes_rect region_rect
= image.value;
}
Area image left top width height = class
scope.Region image left top width height {
Region image left top width height
= this.Area image left top width height;
}
Arrow image left top width height = class
scope.Rect left top width height {
_check_args = [
[image, "Image", check_Image],
[left, "left", check_real],
[top, "top", check_real],
[width, "width", check_real],
[height, "height", check_real]
];
Rect l t w h = this.Arrow image l t w h;
}
HGuide image top = class
scope.Arrow image image.rect.left top image.width 0 {
Arrow image left top width height = this.HGuide image top;
}
VGuide image left = class
scope.Arrow image left image.rect.top 0 image.height {
Arrow image left top width height = this.VGuide image left;
}
Mark image left top = class
scope.Arrow image left top 0 0 {
Arrow image left top width height = this.Mark image left top;
}
// convenience functions: ... specify position as [0 .. 1)
Region_relative image u v w h
= Region image
(image.width * u)
(image.height * v)
(image.width * w)
(image.height * h);
Area_relative image u v w h
= Area image
(image.width * u)
(image.height * v)
(image.width * w)
(image.height * h);
Arrow_relative image u v w h
= Arrow image
(image.width * u)
(image.height * v)
(image.width * w)
(image.height * h);
VGuide_relative image v
= VGuide image (image.height * v);
HGuide_relative image u
= HGuide image (image.width * u);
Mark_relative image u v
= Mark image
(image.width * u)
(image.height * v);
Interpolate_type = class {
NEAREST_NEIGHBOUR = 0;
BILINEAR = 1;
BICUBIC = 2;
LBB = 3;
NOHALO = 4;
VSQBS = 5;
// Should introspect to get the list of interpolators :-(
// We can "dir" on VipsInterpolate to get a list of them, but we
// can't get i18n'd descriptions until we have more
// introspection stuff in nip2.
/* Table to map interpol numbers to descriptive strings
*/
descriptions = [
_ "Nearest neighbour",
_ "Bilinear",
_ "Bicubic",
_ "Upsize: reduced halo bicubic (LBB)",
_ "Upsharp: reduced halo bicubic with edge sharpening (Nohalo)",
_ "Upsmooth: quadratic B-splines with jaggy reduction (VSQBS)"
];
/* And to vips type names.
*/
types = [
"VipsInterpolateNearest",
"VipsInterpolateBilinear",
"VipsInterpolateBicubic",
"VipsInterpolateLbb",
"VipsInterpolateNohalo",
"VipsInterpolateVsqbs"
];
}
Interpolate type options = class {
value = vips_object_new Interpolate_type.types?type [] options;
}
Interpolate_bilinear = Interpolate Interpolate_type.BILINEAR [];
Interpolate_picker default = class
Interpolate interp.value [] {
_vislevel = 2;
interp = Option "Interpolation" Interpolate_type.descriptions default;
}
Render_intent = class {
PERCEPTUAL = 0;
RELATIVE = 1;
SATURATION = 2;
ABSOLUTE = 3;
/* Table to get names <-> numbers.
*/
names = Enum [
_ "Perceptual" => PERCEPTUAL,
_ "Relative" => RELATIVE,
_ "Saturation" => SATURATION,
_ "Absolute" => ABSOLUTE
];
}
// abstract base class for toolkit menus
Menu = class {}
// a "----" line in a menu
Menuseparator = class Menu {}
// abstract base class for items in menus
Menuitem label tooltip = class Menu {}
Menupullright label tooltip = class Menuitem label tooltip {}
Menuaction label tooltip = class Menuitem label tooltip {}
/* Plots.
*/
Plot_style = class {
POINT = 0;
LINE = 1;
SPLINE = 2;
BAR = 3;
names = Enum [
_ "Point" => POINT,
_ "Line" => LINE,
_ "Spline" => SPLINE,
_ "Bar" => BAR
];
}
Plot_format = class {
YYYY = 0;
XYYY = 1;
XYXY = 2;
names = Enum [
_ "YYYY" => YYYY,
_ "XYYY" => XYXY,
_ "XYXY" => XYXY
];
}
Plot_type = class {
/* Lots of Ys (ie. multiple line plots).
*/
YYYY = 0;
/* First column of matrix is X position, others are Ys (ie. multiple XY
* line plots, all with the same Xes).
*/
XYYY = 1;
/* Many independent XY plots.
*/
XYXY = 2;
}
/* "options" is a list of ["key", value] pairs.
*/
Plot options value = class
scope.Image value {
Image value = this.Plot options value;
}
Plot_matrix options value = class
Plot options (to_image value).value {
}
Plot_histogram value = class
scope.Plot [] value {
}
Plot_xy value = class
scope.Plot [$format => Plot_format.XYYY] value {
}
/* A no-value type. Call it NULL for C-alike fun. Used by Group to indicate
* empty slots, for example.
*/
NULL = class
_Object {
oo_binary_table op x = [
// the only operation we allow is equality .. use pointer equality,
// this lets us test a == NULL and a != NULL
[this === x,
op.type == Operator_type.RELATIONAL &&
op.op_name == "equal"],
[this !== x,
op.type == Operator_type.RELATIONAL &&
op.op_name == "not_equal"]
] ++ super.oo_binary_table op x;
}
|