/usr/lib/python2.7/dist-packages/guiqwt/styles.py is in python-guiqwt 3.0.3-2ubuntu1.
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 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 | # -*- coding: utf-8 -*-
#
# Copyright © 2009-2010 CEA
# Pierre Raybaut
# Licensed under the terms of the CECILL License
# (see guiqwt/__init__.py for details)
# pylint: disable=C0103
"""
guiqwt.styles
-------------
The `styles` module provides set of parameters (DataSet classes) to
configure `plot items` and `plot tools`.
.. seealso::
Module :py:mod:`guiqwt.plot`
Module providing ready-to-use curve and image plotting widgets and
dialog boxes
Module :py:mod:`guiqwt.curve`
Module providing curve-related plot items and plotting widgets
Module :py:mod:`guiqwt.image`
Module providing image-related plot items and plotting widgets
Module :py:mod:`guiqwt.tools`
Module providing the `plot tools`
Reference
~~~~~~~~~
.. autoclass:: CurveParam
:members:
:inherited-members:
.. autoclass:: ErrorBarParam
:members:
:inherited-members:
.. autoclass:: GridParam
:members:
:inherited-members:
.. autoclass:: ImageParam
:members:
:inherited-members:
.. autoclass:: TrImageParam
:members:
:inherited-members:
.. autoclass:: ImageFilterParam
:members:
:inherited-members:
.. autoclass:: HistogramParam
:members:
:inherited-members:
.. autoclass:: Histogram2DParam
:members:
:inherited-members:
.. autoclass:: AxesParam
:members:
:inherited-members:
.. autoclass:: ImageAxesParam
:members:
:inherited-members:
.. autoclass:: LabelParam
:members:
:inherited-members:
.. autoclass:: LegendParam
:members:
:inherited-members:
.. autoclass:: ShapeParam
:members:
:inherited-members:
.. autoclass:: AnnotationParam
:members:
:inherited-members:
.. autoclass:: AxesShapeParam
:members:
:inherited-members:
.. autoclass:: RangeShapeParam
:members:
:inherited-members:
.. autoclass:: MarkerParam
:members:
:inherited-members:
.. autoclass:: FontParam
:members:
:inherited-members:
.. autoclass:: SymbolParam
:members:
:inherited-members:
.. autoclass:: LineStyleParam
:members:
:inherited-members:
.. autoclass:: BrushStyleParam
:members:
:inherited-members:
.. autoclass:: TextStyleParam
:members:
:inherited-members:
"""
import numpy as np
from guidata.qt.QtGui import (QPen, QBrush, QColor, QFont, QFontDialog,
QTransform)
from guidata.qt.QtCore import Qt, QSizeF, QPointF
from guidata.dataset.datatypes import (DataSet, ObjectItem, BeginGroup,
EndGroup, Obj, DataSetGroup,
BeginTabGroup, EndTabGroup,
GetAttrProp, NotProp)
from guidata.dataset.dataitems import (ChoiceItem, BoolItem, FloatItem, IntItem,
ImageChoiceItem, ColorItem, StringItem,
ButtonItem, FloatArrayItem, TextItem)
from guidata.dataset.qtwidgets import DataSetEditLayout
from guidata.dataset.qtitemwidgets import DataSetWidget
from guidata.utils import update_dataset
from guidata.py3compat import to_text_string
# Local imports
from guiqwt.transitional import QwtPlot, QwtPlotCurve, QwtSymbol, QwtPlotMarker
from guiqwt.config import _
from guiqwt.colormap import get_colormap_list, build_icon_from_cmap_name
class ItemParameters(object):
"""Class handling QwtPlotItem-like parameters"""
MULTISEL_DATASETS = []
# Customizing tab display order:
ENDING_PARAMETERS = ("CurveParam", "ErrorBarParam",
"ShapeParam", "LabelParam", "LegendParam",
"GridParam", "AxesParam")
def __init__(self, multiselection=False):
self.multiselection = multiselection
self.paramdict = {}
self.items = set()
@classmethod
def register_multiselection(cls, klass, klass_ms):
"""Register a DataSet couple: (DataSet, DataSet_for_MultiSelection)"""
# Inserting element backwards because classes have to be registered
# from children to parent (see 'add' method to fully understand why)
cls.MULTISEL_DATASETS.insert(0, (klass, klass_ms))
def __add(self, key, item, param):
self.paramdict[key] = param
self.items.add(item)
def add(self, key, item, param):
if self.multiselection:
for klass, klass_ms in self.MULTISEL_DATASETS:
if isinstance(param, klass):
title = param.get_title()
if key in self.paramdict and not title.endswith('s'):
title += 's'
param_ms = klass_ms(title=title,
comment=param.get_comment(),
icon=param.get_icon())
update_dataset(param_ms, param)
self.__add(key, item, param_ms)
return
self.__add(key, item, param)
def get(self, key):
from copy import deepcopy
return deepcopy(self.paramdict.get(key))
def update(self, plot):
#XXX: removed the following workaround as the associated bug can't be
# reproduced anymore with guiqwt 3. However, keeping the workaround
# here (commented) as it could become useful eventually.
#-----
#FIXME: without the following workaround, ImagePlot object aspect ratio
# is changed when pressing button "Apply"
# (see also guiqwt.image.ImagePlot.edit_axis_parameters)
# from guiqwt.image import ImagePlot
# if isinstance(plot, ImagePlot):
# ratio = plot.get_current_aspect_ratio()
#-----
for item in self.items:
item.set_item_parameters(self)
plot.replot()
#-----
# if isinstance(plot, ImagePlot):
# plot.set_aspect_ratio(ratio=ratio)
# plot.replot()
#-----
plot.SIG_ITEMS_CHANGED.emit(plot)
def edit(self, plot, title, icon):
paramdict = self.paramdict.copy()
ending_parameters = []
for key in self.ENDING_PARAMETERS:
if key in paramdict:
ending_parameters.append(paramdict.pop(key))
parameters = list(paramdict.values())+ending_parameters
dset = DataSetGroup(parameters, title=title.rstrip('.'), icon=icon)
if dset.edit(parent=plot, apply=lambda dset: self.update(plot)):
self.update(plot)
LINESTYLES = {
"-": "SolidLine",
"--": "DashLine",
":": "DotLine",
"-.": "DashDotLine",
}
COLORS = {
"r": "red",
"g": "green",
"b": "blue",
"c": "cyan",
"m": "magenta",
"y": "yellow",
"k": "black",
"w": "white",
"G": "gray",
}
MARKERS = {
"+": QwtSymbol.Cross,
"o": QwtSymbol.Ellipse,
"*": QwtSymbol.Star1,
".": QwtSymbol(QwtSymbol.Ellipse, QBrush(Qt.black),
QPen(Qt.black), QSizeF(3, 3)),
"x": QwtSymbol.XCross,
"s": QwtSymbol.Rect,
"d": QwtSymbol.Diamond,
"^": QwtSymbol.UTriangle,
"v": QwtSymbol.DTriangle,
">": QwtSymbol.RTriangle,
"<": QwtSymbol.LTriangle,
"h": QwtSymbol.Star2,
}
MARKERSTYLES = {
None: "NoLine",
"-": "HLine",
"|": "VLine",
"+": "Cross",
}
def style_generator(color_keys="bgrcmykG"):
"""Cycling through curve styles"""
while True:
for linestyle in sorted(LINESTYLES.keys()):
for color in color_keys:
yield color+linestyle
def update_style_attr(style, param):
"""Parse a MATLAB-like style string and
update the color, linestyle, marker attributes of the param
object
"""
for marker in list(MARKERS.keys()):
if marker in style:
param.symbol.update_param(MARKERS[marker])
break
else:
param.symbol.update_param(QwtSymbol.NoSymbol)
for linestyle in list(LINESTYLES.keys()):
if linestyle in style:
param.line.style = LINESTYLES[linestyle]
break
else:
param.line.style = "NoPen"
for color in list(COLORS.keys()):
if color in style:
param.line.color = COLORS[color]
param.symbol.facecolor = COLORS[color]
param.symbol.edgecolor = COLORS[color]
break
def build_reverse_map(lst, obj):
dict = {}
for idx, _name, _icon in lst:
val = getattr(obj, idx)
dict[val] = idx
return dict
LINESTYLE_CHOICES = [("SolidLine", _("Solid line"), "solid.png"),
("DashLine", _("Dashed line"), "dash.png"),
("DotLine", _("Dotted line"), "dot.png"),
("DashDotLine", _("Dash-dot line"), "dashdot.png"),
("DashDotDotLine", _("Dash-dot-dot line"), "dashdotdot.png"),
("NoPen", _("No line"), "none.png"),
]
MARKER_CHOICES = [("Cross", _("Cross"), "cross.png"),
("Ellipse", _("Ellipse"), "ellipse.png"),
("Star1", _("Star"), "star.png"),
("XCross", _("X-Cross"), "xcross.png"),
("Rect", _("Square"), "square.png"),
("Diamond", _("Diamond"), "diamond.png"),
("UTriangle", _("Triangle"), "triangle_u.png"),
("DTriangle", _("Triangle"), "triangle_d.png"),
("RTriangle", _("Triangle"), "triangle_r.png"),
("LTriangle", _("Triangle"), "triangle_l.png"),
("Star2", _("Hexagon"), "hexagon.png"),
("NoSymbol", _("No symbol"), "none.png"),
]
CURVESTYLE_CHOICES = [("Lines", _("Lines"), "lines.png"),
("Sticks", _("Sticks"), "sticks.png"),
("Steps", _("Steps"), "steps.png"),
("Dots", _("Dots"), "dots.png"),
("NoCurve", _("No curve"), "none.png")
]
BRUSHSTYLE_CHOICES = [
("NoBrush", _("No brush pattern"), "nobrush.png"),
("SolidPattern", _("Uniform color"), "solidpattern.png"),
("Dense1Pattern", _("Extremely dense brush pattern"), "dense1pattern.png"),
("Dense2Pattern", _("Very dense brush pattern"), "dense2pattern.png"),
("Dense3Pattern", _("Somewhat dense brush pattern"), "dense3pattern.png"),
("Dense4Pattern", _("Half dense brush pattern"), "dense4pattern.png"),
("Dense5Pattern", _("Somewhat sparse brush pattern"), "dense5pattern.png"),
("Dense6Pattern", _("Very sparse brush pattern"), "dense6pattern.png"),
("Dense7Pattern", _("Extremely sparse brush pattern"), "dense7pattern.png"),
("HorPattern", _("Horizontal lines"), "horpattern.png"),
("VerPattern", _("Vertical lines"), "verpattern.png"),
("CrossPattern", _("Crossing horizontal and vertical lines"),
"crosspattern.png"),
("BDiagPattern", _("Backward diagonal lines"), "bdiagpattern.png"),
("FDiagPattern", _("Forward diagonal lines"), "fdiagpattern.png"),
("DiagCrossPattern", _("Crossing diagonal lines"), "diagcrosspattern.png"),
# ("LinearGradientPattern", _("Linear gradient (set using a dedicated QBrush constructor)"), "none.png"),
# ("ConicalGradientPattern", _("Conical gradient (set using a dedicated QBrush constructor)"), "none.png"),
# ("RadialGradientPattern", _("Radial gradient (set using a dedicated QBrush constructor)"), "none.png"),
# ("TexturePattern", _("Custom pattern (see QBrush::setTexture())"), "none.png"),
]
MARKERSTYLE_CHOICES = [("NoLine", _("None"), "none.png"),
("HLine", _("Horizontal"), "horiz_marker.png"),
("VLine", _("Vertical"), "vert_marker.png"),
("Cross", _("Cross"), "cross_marker.png"),
]
MARKER_NAME = build_reverse_map(MARKER_CHOICES, QwtSymbol)
CURVESTYLE_NAME = build_reverse_map(CURVESTYLE_CHOICES, QwtPlotCurve)
LINESTYLE_NAME = build_reverse_map(LINESTYLE_CHOICES, Qt)
BRUSHSTYLE_NAME = build_reverse_map(BRUSHSTYLE_CHOICES, Qt)
MARKERSTYLE_NAME = build_reverse_map(MARKERSTYLE_CHOICES, QwtPlotMarker)
# ===================================================
# Common font parameters
# ===================================================
def _font_selection(param, item, value, parent):
font = param.build_font()
result, valid = QFontDialog.getFont(font, parent)
if valid:
param.update_param( result )
class FontParam(DataSet):
family = StringItem(_("Family"), default="default")
_choose = ButtonItem(_("Choose font"), _font_selection,
default=None).set_pos(col=1)
size = IntItem(_("Size in point"), default=12)
bold = BoolItem(_("Bold"), default=False).set_pos(col=1)
italic = BoolItem(_("Italic"), default=False).set_pos(col=2)
def update_param(self, font):
self.family = str(font.family())
self.size = font.pointSize()
self.bold = bool(font.bold())
self.italic = bool(font.italic())
def build_font(self):
font = QFont(self.family)
font.setPointSize( self.size )
font.setBold( self.bold )
font.setItalic( self.italic )
return font
class FontItemWidget(DataSetWidget):
klass = FontParam
class FontItem(ObjectItem):
"""Item holding a LineStyleParam"""
klass = FontParam
DataSetEditLayout.register(FontItem, FontItemWidget)
# ===================================================
# Common Qwt symbol parameters
# ===================================================
class SymbolParam(DataSet):
marker = ImageChoiceItem(_("Style"), MARKER_CHOICES,
default="NoSymbol")
size = IntItem(_("Size"), default=9)
edgecolor = ColorItem(_("Border"), default="gray")
facecolor = ColorItem(_("Background color"), default="yellow")
alpha = FloatItem(_("Background alpha"), default=1., min=0, max=1)
def update_param(self, symb):
if not isinstance(symb, QwtSymbol):
# check if this is still needed
#raise RuntimeError
assert isinstance(symb, QwtSymbol.Style)
self.marker = MARKER_NAME[symb]
return
self.marker = MARKER_NAME[symb.style()]
self.size = symb.size().width()
self.edgecolor = str(symb.pen().color().name())
self.facecolor = str(symb.brush().color().name())
def build_symbol(self):
marker_type = getattr(QwtSymbol, self.marker)
color = QColor(self.facecolor)
color.setAlphaF(self.alpha)
marker = QwtSymbol(marker_type, QBrush(color),
QPen(QColor(self.edgecolor)),
QSizeF(self.size, self.size))
return marker
def update_symbol(self, obj):
obj.setSymbol(self.build_symbol())
class SymbolItemWidget(DataSetWidget):
klass = SymbolParam
class SymbolItem(ObjectItem):
"""Item holding a SymbolParam"""
klass = SymbolParam
DataSetEditLayout.register(SymbolItem, SymbolItemWidget)
# ===================================================
# Common line style parameters
# ===================================================
class LineStyleParam(DataSet):
style = ImageChoiceItem(_("Style"), LINESTYLE_CHOICES, default="SolidLine")
color = ColorItem(_("Color"), default="black")
width = FloatItem(_("Width"), default=1., min=0)
def update_param(self, pen):
self.width = pen.widthF()
self.color = str(pen.color().name())
self.style = LINESTYLE_NAME[pen.style()]
def build_pen(self):
linecolor = QColor(self.color)
style = getattr(Qt, self.style)
pen = QPen(linecolor, self.width, style)
return pen
def set_style_from_matlab(self, linestyle):
"""Eventually convert MATLAB-like linestyle into Qt linestyle"""
linestyle = LINESTYLES.get(linestyle, linestyle) # MATLAB-style
if linestyle == '': # MATLAB-style
linestyle = 'NoPen'
self.style = linestyle
class LineStyleItemWidget(DataSetWidget):
klass = LineStyleParam
class LineStyleItem(ObjectItem):
"""Item holding a LineStyleParam"""
klass = LineStyleParam
DataSetEditLayout.register(LineStyleItem, LineStyleItemWidget)
# ===================================================
# Common brush style parameters
# ===================================================
class BrushStyleParam(DataSet):
style = ImageChoiceItem(_("Style"), BRUSHSTYLE_CHOICES,
default="SolidPattern")
color = ColorItem(_("Color"), default="black")
alpha = FloatItem(_("Alpha"), default=1.0)
angle = FloatItem(_("Angle"), default=0., min=0)
sx = FloatItem(_("sx"), default=1., min=0)
sy = FloatItem(_("sy"), default=1., min=0)
def update_param(self, brush):
from math import pi, sqrt, atan2
tr = brush.transform()
pt = tr.map( QPointF(1.0, 0.0) )
self.sx = sqrt(pt.x()**2+pt.y()**2)
self.angle = 180*atan2(pt.y(), pt.x())/pi
pt = tr.map( QPointF(0.0, 1.0) )
self.sy = sqrt(pt.x()**2+pt.y()**2)
col = brush.color()
self.color = str(col.name())
self.alpha = col.alphaF()
self.style = BRUSHSTYLE_NAME[brush.style()]
def build_brush(self):
color = QColor(self.color)
color.setAlphaF(self.alpha)
brush = QBrush(color, getattr(Qt, self.style))
tr = QTransform()
tr = tr.scale(self.sx, self.sy)
tr = tr.rotate(self.angle)
brush.setTransform(tr)
return brush
class BrushStyleItemWidget(DataSetWidget):
klass = BrushStyleParam
class BrushStyleItem(ObjectItem):
"""Item holding a LineStyleParam"""
klass = BrushStyleParam
DataSetEditLayout.register(BrushStyleItem, BrushStyleItemWidget)
# ===================================================
# QwtText parameters
# ===================================================
class TextStyleParam(DataSet):
font = FontItem(_("Font"))
textcolor = ColorItem(_("Text color"), default="blue")
background_color = ColorItem(_("Background color"), default="white")
background_alpha = FloatItem(_("Background alpha"),
default=0.5, min=0, max=1)
def update_param(self, obj):
"""obj: QwtText instance"""
self.font.update_param( obj.font() )
self.textcolor = obj.color().name()
color = obj.backgroundBrush().color()
self.background_color = color.name()
self.background_alpha = color.alphaF()
def update_text(self, obj):
"""obj: QwtText instance"""
obj.setColor( QColor(self.textcolor) )
color = QColor(self.background_color)
color.setAlphaF(self.background_alpha)
obj.setBackgroundBrush( QBrush(color) )
font = self.font.build_font()
obj.setFont(font)
class TextStyleItemWidget(DataSetWidget):
klass = TextStyleParam
class TextStyleItem(ObjectItem):
"""Item holding a TextStyleParam"""
klass = TextStyleParam
DataSetEditLayout.register(TextStyleItem, TextStyleItemWidget)
# ===================================================
# Grid parameters
# ===================================================
class GridParam(DataSet):
background = ColorItem(_("Background color"), default="white")
maj = BeginGroup(_("Major grid") )
maj_xenabled = BoolItem(_("X Axis"), default=True)
maj_yenabled = BoolItem(_("Y Axis"), default=True).set_pos(col=1)
maj_line = LineStyleItem(_("Line"))
_maj = EndGroup("end group")
min = BeginGroup(_("Minor grid"))
min_xenabled = BoolItem(_("X Axis"), default=False)
min_yenabled = BoolItem(_("Y Axis"), default=False).set_pos(col=1)
min_line = LineStyleItem(_("Line"))
_min = EndGroup("fin groupe")
def update_param(self, grid):
plot = grid.plot()
if plot is not None:
self.background = str(plot.canvasBackground().color().name())
self.maj_xenabled = grid.xEnabled()
self.maj_yenabled = grid.yEnabled()
self.maj_line.update_param( grid.majorPen() )
self.min_xenabled = grid.xMinEnabled()
self.min_yenabled = grid.yMinEnabled()
self.min_line.update_param( grid.minorPen() )
def update_grid(self, grid):
plot = grid.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
plot.setCanvasBackground( QColor(self.background) )
grid.enableX(self.maj_xenabled)
grid.enableY(self.maj_yenabled)
grid.setPen( self.maj_line.build_pen() )
grid.enableXMin(self.min_xenabled)
grid.enableYMin(self.min_yenabled)
grid.setMinorPen( self.min_line.build_pen() )
grid.setTitle(self.get_title())
if plot is not None:
plot.blockSignals(False)
# ===================================================
# Axes style parameters
# ===================================================
class AxeStyleParam(DataSet):
title = StringItem(_("Title"), default="")
unit = StringItem(_("Unit"), default="")
color = ColorItem(_("Color"), default="black").set_pos(col=1)
title_font = FontItem(_("Title font"))
ticks_font = FontItem(_("Values font"))
# ===================================================
# Axes parameters
# ===================================================
class AxisParam(DataSet):
scale = ChoiceItem(_("Scale"),
[("lin", _("linear")), ("log", _("logarithmic"))],
default="lin")
vmin = FloatItem("Min", help=_("Lower axis limit"))
vmax = FloatItem("Max", help=_("Upper axis limit"))
def update_param(self, plot, axis_id):
self.scale = plot.get_axis_scale(axis_id)
axis = plot.axisScaleDiv(axis_id)
self.vmin = axis.lowerBound()
self.vmax = axis.upperBound()
def update_axis(self, plot, axis_id):
plot.enableAxis(axis_id, True)
plot.set_axis_scale(axis_id, self.scale, autoscale=False)
plot.setAxisScale(axis_id, self.vmin, self.vmax)
plot.disable_unused_axes()
class AxisItemWidget(DataSetWidget):
klass = AxisParam
class AxisItem(ObjectItem):
klass = AxisParam
DataSetEditLayout.register(AxisItem, AxisItemWidget)
class AxesParam(DataSet):
xaxis_id = ChoiceItem(_("X-axis position"),
[(QwtPlot.xBottom, _("bottom")),
(QwtPlot.xTop, _("top"))],
default=QwtPlot.xBottom)
xaxis = AxisItem(_("X Axis"))
yaxis_id = ChoiceItem(_("Y-axis position"),
[(QwtPlot.yLeft, _("left")),
(QwtPlot.yRight, _("right"))],
default=QwtPlot.yLeft)
yaxis = AxisItem(_("Y Axis"))
def update_param(self, item):
plot = item.plot()
self.xaxis_id = item.xAxis()
self.xaxis.update_param(plot, self.xaxis_id)
self.yaxis_id = item.yAxis()
self.yaxis.update_param(plot, self.yaxis_id)
def update_axes(self, item):
plot = item.plot()
plot.grid.setAxes(self.xaxis_id, self.yaxis_id)
item.setXAxis(self.xaxis_id)
self.xaxis.update_axis(plot, self.xaxis_id)
item.setYAxis(self.yaxis_id)
self.yaxis.update_axis(plot, self.yaxis_id)
class ImageAxesParam(DataSet):
xparams = BeginGroup(_("X Axis") )
xmin = FloatItem("x|min", help=_("Lower x-axis limit"))
xmax = FloatItem("x|max", help=_("Upper x-axis limit"))
_xparams = EndGroup("end X")
yparams = BeginGroup(_("Y Axis") )
ymin = FloatItem("y|min", help=_("Lower y-axis limit"))
ymax = FloatItem("y|max", help=_("Upper y-axis limit"))
_yparams = EndGroup("end Y")
zparams = BeginGroup(_("Z Axis") )
zmin = FloatItem("z|min", help=_("Lower z-axis limit"))
zmax = FloatItem("z|max", help=_("Upper z-axis limit"))
_zparams = EndGroup("end Z")
def update_param(self, item):
plot = item.plot()
xaxis = plot.axisScaleDiv(item.xAxis())
self.xmin = xaxis.lowerBound()
self.xmax = xaxis.upperBound()
yaxis = plot.axisScaleDiv(item.yAxis())
self.ymin = yaxis.lowerBound()
self.ymax = yaxis.upperBound()
self.zmin, self.zmax = item.min, item.max
def update_axes(self, item):
plot = item.plot()
plot.set_plot_limits(self.xmin, self.xmax, self.ymin, self.ymax)
item.set_lut_range([self.zmin, self.zmax])
plot.update_colormap_axis(item)
# ===================================================
# Label parameters
# ===================================================
class LabelParam(DataSet):
_multiselection = False
_legend = False
_no_contents = True
label = StringItem(_("Title"), default="") \
.set_prop("display", hide=GetAttrProp("_multiselection"))
_styles = BeginTabGroup("Styles")
#-------------------------------------------------------------- Contents tab
___cont = BeginGroup(_("Contents")).set_prop("display", icon="label.png",
hide=GetAttrProp("_no_contents"))
contents = TextItem("").set_prop("display",
hide=GetAttrProp("_no_contents"))
___econt = EndGroup(_("Contents")).set_prop("display",
hide=GetAttrProp("_no_contents"))
#---------------------------------------------------------------- Symbol tab
symbol = SymbolItem(_("Symbol")).set_prop("display", icon="diamond.png",
hide=GetAttrProp("_legend"))
#---------------------------------------------------------------- Border tab
border = LineStyleItem(_("Border"), default=Obj(color="#cbcbcb"),
help=_("set width to 0 to disable")
).set_prop("display", icon="dashdot.png")
#------------------------------------------------------------------ Text tab
___text = BeginGroup(_("Text")).set_prop("display", icon="font.png")
font = FontItem(_("Text font"))
color = ColorItem(_("Text color"), default="#000000")
bgcolor = ColorItem(_("Background color"), default="#ffffff")
bgalpha = FloatItem(_("Background transparency"),
min=0.0, max=1.0, default=0.8)
___etext = EndGroup(_("Text"))
#-------------------------------------------------------------- Position tab
___position = BeginGroup(_("Position")).set_prop("display", icon="move.png")
_begin_anchor = BeginGroup(_("Position relative to anchor")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
anchor = ChoiceItem(_("Corner"),
[("TL", _("Top left") ),
("TR", _("Top right") ),
("BL", _("Bottom left") ),
("BR", _("Bottom right") ),
("L", _("Left") ),
("R", _("Right") ),
("T", _("Top") ),
("B", _("Bottom") ),
("C", _("Center") ),], default="TL",
help=_("Label position relative to anchor point")) \
.set_prop("display",
hide=GetAttrProp("_multiselection"))
xc = IntItem(_("ΔX"), default=5,
help=_("Horizontal offset (pixels) relative to anchor point"))\
.set_prop("display", hide=GetAttrProp("_multiselection"))
yc = IntItem(_("ΔY"), default=5,
help=_("Vertical offset (pixels) relative to anchor point")
).set_pos(col=1).set_prop("display",
hide=GetAttrProp("_multiselection"))
_end_anchor = EndGroup(_("Anchor")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
_begin_anchorpos = BeginGroup(_("Anchor position")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
_abspos_prop = GetAttrProp("abspos")
abspos = BoolItem(text=_("Attach to canvas"), label=_("Anchor"),
default=True
).set_prop("display", store=_abspos_prop) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
xg = FloatItem(_("X"), default=0.0,
help=_("X-axis position in canvas coordinates")
).set_prop("display", active=NotProp(_abspos_prop)) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
yg = FloatItem(_("Y"), default=0.0,
help=_("Y-axis position in canvas coordinates")
).set_pos(col=1) \
.set_prop("display", active=NotProp(_abspos_prop)) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
move_anchor = ChoiceItem(_("Interact"),
((True, _("moving object changes anchor position")),
(False, _("moving object changes label position"))),
default=True
).set_prop("display", active=NotProp(_abspos_prop)) \
.set_prop("display",
hide=GetAttrProp("_multiselection"))
absg = ChoiceItem(_("Position"),
[("TL", _("Top left") ),
("TR", _("Top right") ),
("BL", _("Bottom left") ),
("BR", _("Bottom right") ),
("L", _("Left") ),
("R", _("Right") ),
("T", _("Top") ),
("B", _("Bottom") ),
("C", _("Center") ),], default="TL",
help=_("Absolute position on canvas")
).set_prop("display", active=_abspos_prop) \
.set_prop("display",
hide=GetAttrProp("_multiselection"))
_end_anchorpos = EndGroup(_("Anchor position")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
___eposition = EndGroup(_("Position"))
#----------------------------------------------------------------------- End
_endstyles = EndTabGroup("Styles")
def update_param(self, obj):
# The following is necessary only for shape labels:
# when shape is just created (and not yet moved), we need to update
# these attributes
if self.abspos:
self.absg = obj.G
else:
self.xg, self.yg = obj.G
self.xc, self.yc = obj.C
def update_label(self, obj):
if not self._multiselection:
if self.abspos:
obj.G = self.absg
else:
obj.G = (self.xg, self.yg)
obj.C = self.xc, self.yc
obj.anchor = self.anchor
obj.move_anchor = self.move_anchor
obj.setTitle(self.label)
obj.marker = self.symbol.build_symbol()
obj.border_pen = self.border.build_pen()
obj.set_text_style(self.font.build_font(), self.color)
color = QColor(self.bgcolor)
color.setAlphaF(self.bgalpha)
obj.bg_brush = QBrush(color)
class LabelParam_MS(LabelParam):
_multiselection = True
ItemParameters.register_multiselection(LabelParam, LabelParam_MS)
class LegendParam(LabelParam):
_legend = True
label = StringItem(_("Title"), default="").set_prop("display", hide=True)
def update_label(self, obj):
super(LegendParam, self).update_label(obj)
if not self._multiselection:
obj.setTitle(self.get_title())
class LegendParam_MS(LegendParam):
_multiselection = True
ItemParameters.register_multiselection(LegendParam, LegendParam_MS)
class LabelParamWithContents(LabelParam):
_no_contents = False
def __init__(self, title=None, comment=None, icon=''):
self.plain_text = None
super(LabelParamWithContents, self).__init__(title, comment, icon)
def update_param(self, obj):
super(LabelParamWithContents, self).update_param(obj)
self.contents = self.plain_text = obj.get_plain_text()
def update_label(self, obj):
super(LabelParamWithContents, self).update_label(obj)
if self.plain_text is not None and self.contents != self.plain_text:
text = self.contents.replace('\n', '<br>')
obj.set_text(text)
class LabelParamWithContents_MS(LabelParamWithContents):
_multiselection = True
ItemParameters.register_multiselection(LabelParamWithContents,
LabelParamWithContents_MS)
# ===================================================
# Curve parameters
# ===================================================
class CurveParam(DataSet):
_multiselection = False
label = StringItem(_("Title"), default="").set_prop("display",
hide=GetAttrProp("_multiselection"))
line = LineStyleItem(_("Line"))
symbol = SymbolItem(_("Symbol"))
shade = FloatItem(_("Shadow"), default=0, min=0, max=1)
curvestyle = ImageChoiceItem(_("Curve style"), CURVESTYLE_CHOICES,
default="Lines")
baseline = FloatItem(_("Baseline"), default=0.)
def update_param(self, curve):
self.label = to_text_string(curve.title().text())
self.symbol.update_param(curve.symbol())
self.line.update_param(curve.pen())
self.curvestyle = CURVESTYLE_NAME[curve.style()]
self.baseline = curve.baseline()
def update_curve(self, curve):
plot = curve.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
if not self._multiselection:
# Non common parameters
curve.setTitle(self.label)
curve.setPen(self.line.build_pen())
# Brush
linecolor = QColor(self.line.color)
linecolor.setAlphaF(self.shade)
brush = QBrush(linecolor)
if not self.shade:
brush.setStyle(Qt.NoBrush)
curve.setBrush(brush)
# Symbol
self.symbol.update_symbol( curve )
# Curve style, type and baseline
curve.setStyle(getattr(QwtPlotCurve, self.curvestyle))
curve.setBaseline(self.baseline)
if plot is not None:
plot.blockSignals(False)
class CurveParam_MS(CurveParam):
_multiselection = True
ItemParameters.register_multiselection(CurveParam, CurveParam_MS)
# ===================================================
# ErrorBar Curve parameters
# ===================================================
class ErrorBarParam(DataSet):
mode = ChoiceItem(_("Display"), default=0,
choices=[_("error bars with caps (x, y)"),
_("error area (y)")],
help=_("Note: only y-axis error bars are shown in "
"error area mode\n(width and cap parameters "
"will also be ignored)"))
color = ColorItem(_("Color"), default="darkred")
alpha = FloatItem(_("Alpha"), default=.9, min=0, max=1,
help=_("Error bar transparency"))
width = FloatItem(_("Width"), default=1.0, min=1)
cap = IntItem(_("Cap"), default=4, min=0)
ontop = BoolItem(_("set to foreground"), _("Visibility"), default=False)
def update_param(self, curve):
color = curve.errorPen.color()
self.color = str(color.name())
self.alpha = color.alphaF()
self.width = curve.errorPen.widthF()
self.cap = curve.errorCap
self.ontop = curve.errorOnTop
def update_curve(self, curve):
color = QColor(self.color)
color.setAlphaF(self.alpha)
curve.errorPen = QPen(color, self.width)
curve.errorBrush = QBrush(color)
curve.errorCap = self.cap
curve.errorOnTop = self.ontop
# ===================================================
# Image parameters
# ===================================================
def _create_choices():
choices = []
for cmap_name in get_colormap_list():
choices.append((cmap_name, cmap_name, build_icon_from_cmap_name))
return choices
class BaseImageParam(DataSet):
_multiselection = False
label = StringItem(_("Image title"), default=_("Image")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
alpha_mask = BoolItem(_("Use image level as alpha"), _("Alpha channel"),
default=False)
alpha = FloatItem(_("Global alpha"), default=1.0, min=0, max=1,
help=_("Global alpha value"))
_hide_colormap = False
colormap = ImageChoiceItem(_("Colormap"), _create_choices(), default="jet"
).set_prop("display",
hide=GetAttrProp("_hide_colormap"))
interpolation = ChoiceItem(_("Interpolation"),
[(0, _("None (nearest pixel)")),
(1, _("Linear interpolation")),
(2, _("2x2 antialiasing filter")),
(3, _("3x3 antialiasing filter")),
(5, _("5x5 antialiasing filter"))],
default=0, help=_("Image interpolation type"))
_formats = BeginGroup(_("Statistics string formatting"))
xformat = StringItem(_("X-Axis"), default=r'%.1f')
yformat = StringItem(_("Y-Axis"), default=r'%.1f')
zformat = StringItem(_("Z-Axis"), default=r'%.1f')
_end_formats = EndGroup(_("Statistics string formatting"))
def update_param(self, image):
self.label = to_text_string(image.title().text())
self.colormap = image.get_color_map_name()
interpolation = image.get_interpolation()
mode = interpolation[0]
from guiqwt.image import INTERP_NEAREST, INTERP_LINEAR
if mode == INTERP_NEAREST:
self.interpolation = 0
elif mode == INTERP_LINEAR:
self.interpolation = 1
else:
size = interpolation[1].shape[0]
self.interpolation = size
def update_image(self, image):
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.setTitle(self.label)
image.set_color_map(self.colormap)
size = self.interpolation
from guiqwt.image import INTERP_NEAREST, INTERP_LINEAR, INTERP_AA
if size == 0:
mode = INTERP_NEAREST
elif size == 1:
mode = INTERP_LINEAR
else:
mode = INTERP_AA
image.set_interpolation(mode, size)
if plot is not None:
plot.blockSignals(False)
class QuadGridParam(DataSet):
_multiselection = False
label = StringItem(_("Image title"), default=_("Image")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
alpha_mask = BoolItem(_("Use image level as alpha"), _("Alpha channel"),
default=False)
alpha = FloatItem(_("Global alpha"), default=1.0, min=0, max=1,
help=_("Global alpha value"))
_hide_colormap = False
colormap = ImageChoiceItem(_("Colormap"), _create_choices(), default="jet"
).set_prop("display",
hide=GetAttrProp("_hide_colormap"))
interpolation = ChoiceItem(_("Interpolation"),
[ (0, _("Quadrangle interpolation")),
(1, _("Flat")),
],
default=0,
help=_("Image interpolation type, "
"Flat mode use fixed u,v "
"interpolation parameters"))
uflat = FloatItem(_("Fixed U interpolation parameter"),
default=0.5, min=0., max=1., help=_("For flat mode only"))
vflat = FloatItem(_("Fixed V interpolation parameter"),
default=0.5, min=0., max=1., help=_("For flat mode only"))
grid = BoolItem(_("Show grid"), default=False)
gridcolor = ColorItem(_("Grid lines color"), default="black")
def update_param(self, image):
self.label = to_text_string(image.title().text())
self.colormap = image.get_color_map_name()
interp, uflat, vflat = image.interpolate
self.interpolation = interp
self.uflat = uflat
self.vflat = vflat
self.grid = image.grid
def update_image(self, image):
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.setTitle(self.label)
image.set_color_map(self.colormap)
image.interpolate = (self.interpolation, self.uflat, self.vflat)
image.grid = self.grid
# TODO : gridcolor
if plot is not None:
plot.blockSignals(False)
class RawImageParam(BaseImageParam):
_hide_background = False
background = ColorItem(_("Background color"), default="#000000"
).set_prop("display",
hide=GetAttrProp("_hide_background"))
def update_param(self, image):
super(RawImageParam, self).update_param(image)
self.background = str(QColor(image.bg_qcolor).name())
def update_image(self, image):
super(RawImageParam, self).update_image(image)
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.set_background_color(self.background)
if plot is not None:
plot.blockSignals(False)
class RawImageParam_MS(RawImageParam):
_multiselection = True
ItemParameters.register_multiselection(RawImageParam, RawImageParam_MS)
class XYImageParam(RawImageParam):
pass
class XYImageParam_MS(XYImageParam):
_multiselection = True
ItemParameters.register_multiselection(XYImageParam, XYImageParam_MS)
class ImageParam(RawImageParam):
_xdata = BeginGroup(_("Image placement along X-axis"))
xmin = FloatItem(_("x|min"), default=None)
xmax = FloatItem(_("x|max"), default=None)
_end_xdata = EndGroup(_("Image placement along X-axis"))
_ydata = BeginGroup(_("Image placement along Y-axis"))
ymin = FloatItem(_("y|min"), default=None)
ymax = FloatItem(_("y|max"), default=None)
_end_ydata = EndGroup(_("Image placement along Y-axis"))
def update_param(self, image):
super(ImageParam, self).update_param(image)
self.xmin = image.xmin
if self.xmin is None:
self.xmin = 0.
self.ymin = image.ymin
if self.ymin is None:
self.ymin = 0.
if image.is_empty():
shape = (0, 0)
else:
shape = image.data.shape
self.xmax = image.xmax
if self.xmax is None:
self.xmax = float(shape[1])
self.ymax = image.ymax
if self.ymax is None:
self.ymax = float(shape[0])
def update_image(self, image):
super(ImageParam, self).update_image(image)
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.xmin = self.xmin
image.xmax = self.xmax
image.ymin = self.ymin
image.ymax = self.ymax
image.update_bounds()
image.update_border()
if plot is not None:
plot.blockSignals(False)
class ImageParam_MS(ImageParam):
_multiselection = True
ItemParameters.register_multiselection(ImageParam, ImageParam_MS)
class RGBImageParam(ImageParam):
_hide_background = True
_hide_colormap = True
def update_image(self, image):
super(RGBImageParam, self).update_image(image)
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.recompute_alpha_channel()
if plot is not None:
plot.blockSignals(False)
class RGBImageParam_MS(RGBImageParam):
_multiselection = True
ItemParameters.register_multiselection(RGBImageParam, RGBImageParam_MS)
class MaskedImageParam(ImageParam):
g_mask = BeginGroup(_("Mask"))
filling_value = FloatItem(_("Filling value"))
show_mask = BoolItem(_("Show image mask"), default=False)
alpha_masked = FloatItem(_("Masked area alpha"),
default=.7, min=0, max=1)
alpha_unmasked = FloatItem(_("Unmasked area alpha"),
default=0., min=0, max=1)
_g_mask = EndGroup(_("Mask"))
def update_image(self, image):
super(MaskedImageParam, self).update_image(image)
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.update_mask()
if plot is not None:
plot.blockSignals(False)
class MaskedImageParam_MS(MaskedImageParam):
_multiselection = True
ItemParameters.register_multiselection(MaskedImageParam, MaskedImageParam_MS)
class ImageFilterParam(BaseImageParam):
label = StringItem(_("Title"), default=_("Filter"))
g1 = BeginGroup(_("Bounds"))
xmin = FloatItem(_("x|min"))
xmax = FloatItem(_("x|max"))
ymin = FloatItem(_("y|min"))
ymax = FloatItem(_("y|max"))
_g1 = EndGroup("sub-group")
use_source_cmap = BoolItem(_("Use image colormap and level"),
_("Color map"), default=True)
def update_param(self, obj):
self.xmin, self.ymin, self.xmax, self.ymax = obj.border_rect.get_rect()
self.use_source_cmap = obj.use_source_cmap
super(ImageFilterParam, self).update_param(obj)
def update_imagefilter(self, imagefilter):
m, M = imagefilter.get_lut_range()
set_range = False
if not self.use_source_cmap and imagefilter.use_source_cmap:
set_range = True
imagefilter.use_source_cmap = self.use_source_cmap
if set_range:
imagefilter.set_lut_range([m, M])
self.update_image(imagefilter)
imagefilter.border_rect.set_rect(self.xmin, self.ymin,
self.xmax, self.ymax)
class TrImageParam(RawImageParam):
_crop = BeginGroup(_("Crop")
).set_prop("display", hide=GetAttrProp("_multiselection"))
crop_left = IntItem(_("Left"), default=0)
crop_right = IntItem(_("Right"), default=0)
crop_top = IntItem(_("Top"), default=0)
crop_bottom = IntItem(_("Bottom"), default=0)
_end_crop = EndGroup(_("Cropping")
).set_prop("display", hide=GetAttrProp("_multiselection"))
_ps = BeginGroup(_("Pixel size")
).set_prop("display", hide=GetAttrProp("_multiselection"))
dx = FloatItem(_("Width (dx)"), default=1.0)
dy = FloatItem(_("Height (dy)"), default=1.0)
_end_ps = EndGroup(_("Pixel size")
).set_prop("display", hide=GetAttrProp("_multiselection"))
_pos = BeginGroup(_("Translate, rotate and flip"))
pos_x0 = FloatItem(_("x<sub>CENTER</sub>"), default=0.0
).set_prop("display", hide=GetAttrProp("_multiselection"))
hflip = BoolItem(_("Flip horizontally"), default=False
).set_prop("display", col=1)
pos_y0 = FloatItem(_("y<sub>CENTER</sub>"), default=0.0
).set_prop("display", hide=GetAttrProp("_multiselection"))
vflip = BoolItem(_("Flip vertically"), default=False
).set_prop("display", col=1)
pos_angle = FloatItem(_("θ (°)"), default=0.0).set_prop("display", col=0)
_end_pos = EndGroup(_("Translate, rotate and flip"))
def update_param(self, image):
super(TrImageParam, self).update_param(image)
# we don't get crop info from the image because
# its not easy to extract from the transform
# and TrImageItem keeps it's crop information
# directly in this DataSet
def update_image(self, image):
RawImageParam.update_image(self, image)
plot = image.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
image.set_transform(*self.get_transform())
if plot is not None:
plot.blockSignals(False)
def get_transform(self):
return (self.pos_x0, self.pos_y0, self.pos_angle*np.pi/180,
self.dx, self.dy, self.hflip, self.vflip)
def set_transform(self, x0, y0, angle, dx=1.0, dy=1.0,
hflip=False, vflip=False):
self.pos_x0 = x0
self.pos_y0 = y0
self.pos_angle = angle*180/np.pi
self.dx = dx
self.dy = dy
self.hflip = hflip
self.vflip = vflip
def set_crop(self, left, top, right, bottom):
self.crop_left = left
self.crop_right = right
self.crop_top = top
self.crop_bottom = bottom
def get_crop(self):
return (self.crop_left, self.crop_top,
self.crop_right, self.crop_bottom)
class TrImageParam_MS(TrImageParam):
_multiselection = True
ItemParameters.register_multiselection(TrImageParam, TrImageParam_MS)
# ===================================================
# Histogram parameters
# ===================================================
class HistogramParam(DataSet):
n_bins = IntItem(_("Bins"), default=100, min=1, help=_("Number of bins"))
logscale = BoolItem(_("logarithmic"), _("Y-axis scale"), default=False)
def update_param(self, obj):
self.n_bins = obj.get_bins()
self.logscale = obj.get_logscale()
def update_hist(self, hist):
hist.set_bins(self.n_bins)
hist.set_logscale(self.logscale)
# ===================================================
# Histogram 2D parameters
# ===================================================
class Histogram2DParam(BaseImageParam):
"""Histogram"""
_multiselection = False
label = StringItem(_("Title"), default=_("Histogram")) \
.set_prop("display", hide=GetAttrProp("_multiselection"))
nx_bins = IntItem(_("X-axis bins"), default=100, min=1,
help=_("Number of bins along x-axis"))
ny_bins = IntItem(_("Y-axis bins"), default=100, min=1,
help=_("Number of bins along y-axis"))
logscale = BoolItem(_("logarithmic"), _("Z-axis scale"), default=False)
computation = ChoiceItem(_("Computation"),
[(-1, _("Bin count")),
(0, _("Maximum value")),
(1, _("Mininum value")),
(2, _("Sum")),
(3, _("Product")),
(4, _("Average")),
],
default=-1,
help=_("Bin count : counts the number of points per bin,\n"
"For max, min, sum, product, average, compute the "
"function of a third parameter (one by default)"))
auto_lut = BoolItem(_("Automatic LUT range"), default=True,
help=_("Automatically adapt color scale "
"when panning, zooming"))
background = ColorItem(_("Background color"), default="transparent",
help=_("Background color when no data is present"))
def update_param(self, obj):
super(Histogram2DParam, self).update_param(obj)
self.logscale = obj.logscale
self.nx_bins, self.ny_bins = obj.nx_bins, obj.ny_bins
def update_histogram(self, histogram):
histogram.logscale = int(self.logscale)
histogram.set_background_color(self.background)
histogram.set_bins(self.nx_bins, self.ny_bins)
self.update_image(histogram)
class Histogram2DParam_MS(Histogram2DParam):
_multiselection = True
ItemParameters.register_multiselection(Histogram2DParam, Histogram2DParam_MS)
# ===================================================
# Shape parameters
# ===================================================
class MarkerParam(DataSet):
_styles = BeginTabGroup("Styles")
#------------------------------------------------------------------ Line tab
___line = BeginGroup(_("Line")).set_prop("display", icon="dashdot.png")
line = LineStyleItem(_("Line (not selected)"))
sel_line = LineStyleItem(_("Line (selected)"))
___eline = EndGroup(_("Line"))
#---------------------------------------------------------------- Symbol tab
___sym = BeginGroup(_("Symbol")).set_prop("display", icon="diamond.png")
symbol = SymbolItem(_("Symbol (not selected)"))
sel_symbol = SymbolItem(_("Symbol (selected)"))
___esym = EndGroup(_("Symbol"))
#------------------------------------------------------------------ Text tab
___text = BeginGroup(_("Text")).set_prop("display", icon="font.png")
text = TextStyleItem(_("Text (not selected)"))
sel_text = TextStyleItem(_("Text (selected)"))
___etext = EndGroup(_("Text"))
#----------------------------------------------------------------------- End
_endstyles = EndTabGroup("Styles")
markerstyle = ImageChoiceItem(_("Line style"), MARKERSTYLE_CHOICES,
default="NoLine")
spacing = IntItem(_("Spacing"), default=10, min=0)
def update_param(self, obj):
self.symbol.update_param(obj.symbol())
self.text.update_param(obj.label())
self.line.update_param(obj.linePen())
self.markerstyle = MARKERSTYLE_NAME[obj.lineStyle()]
self.spacing = obj.spacing()
def update_marker(self, obj):
if obj.selected:
line = self.sel_line
symb = self.sel_symbol
text = self.sel_text
else:
line = self.line
symb = self.symbol
text = self.text
symb.update_symbol(obj)
label = obj.label()
text.update_text(label)
obj.setLabel(label)
obj.setLinePen(line.build_pen())
obj.setLineStyle(getattr(QwtPlotMarker, self.markerstyle))
obj.setSpacing(self.spacing)
obj.update_label()
def set_markerstyle(self, style):
"""
Set marker line style
style:
* convenient values: '+', '-', '|' or None
* `QwtPlotMarker.NoLine`, `QwtPlotMarker.Vertical`, ...
"""
self.markerstyle = MARKERSTYLES.get(style, style)
class ShapeParam(DataSet):
label = StringItem(_("Title"), default="")
_styles = BeginTabGroup("Styles")
#------------------------------------------------------------------ Line tab
___line = BeginGroup(_("Line")).set_prop("display", icon="dashdot.png")
line = LineStyleItem(_("Line (not selected)"))
sel_line = LineStyleItem(_("Line (selected)"))
___eline = EndGroup(_("Line"))
#---------------------------------------------------------------- Symbol tab
___sym = BeginGroup(_("Symbol")).set_prop("display", icon="diamond.png")
symbol = SymbolItem(_("Symbol (not selected)"))
sel_symbol = SymbolItem(_("Symbol (selected)"))
___esym = EndGroup(_("Symbol"))
#------------------------------------------------------------------ Fill tab
___fill = BeginGroup(_("Fill pattern")).set_prop("display",
icon="dense6pattern.png")
fill = BrushStyleItem(_("Fill pattern (not selected)"))
sel_fill = BrushStyleItem(_("Fill pattern (selected)"))
___efill = EndGroup(_("Fill pattern"))
#----------------------------------------------------------------------- End
_endstyles = EndTabGroup("Styles")
readonly = BoolItem(_("Read-only shape"), default=False,
help=_("Read-only shapes can't be removed from "
"the item list panel"))
private = BoolItem(_("Private shape"), default=False,
help=_("Private shapes are not shown in "
"the item list panel")).set_pos(col=1)
def update_param(self, obj):
self.label = to_text_string(obj.title().text())
self.line.update_param(obj.pen)
self.symbol.update_param(obj.symbol)
self.fill.update_param(obj.brush)
self.sel_line.update_param(obj.sel_pen)
self.sel_symbol.update_param(obj.sel_symbol)
self.sel_fill.update_param(obj.sel_brush)
self.readonly = obj.is_readonly()
self.private = obj.is_private()
def update_shape(self, obj):
plot = obj.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
obj.setTitle(self.label)
obj.pen = self.line.build_pen()
obj.symbol = self.symbol.build_symbol()
obj.brush = self.fill.build_brush()
obj.sel_pen = self.sel_line.build_pen()
obj.sel_symbol = self.sel_symbol.build_symbol()
obj.sel_brush = self.sel_fill.build_brush()
obj.set_readonly(self.readonly)
obj.set_private(self.private)
if plot is not None:
plot.blockSignals(False)
class AxesShapeParam(DataSet):
arrow_angle = FloatItem(_("Arrow angle (°)"), min=0, max=90, nonzero=True)
arrow_size = FloatItem(_("Arrow size (%)"), min=0, max=100, nonzero=True)
_styles = BeginTabGroup("Styles")
#------------------------------------------------------------------ Line tab
___line = BeginGroup(_("Line")).set_prop("display", icon="dashdot.png")
xarrow_pen = LineStyleItem(_("Line (X-Axis)"))
yarrow_pen = LineStyleItem(_("Line (Y-Axis)"))
___eline = EndGroup(_("Line"))
#------------------------------------------------------------------ Fill tab
___fill = BeginGroup(_("Fill pattern")).set_prop("display",
icon="dense6pattern.png")
xarrow_brush = BrushStyleItem(_("Fill pattern (X-Axis)"))
yarrow_brush = BrushStyleItem(_("Fill pattern (Y-Axis)"))
___efill = EndGroup(_("Fill pattern"))
#----------------------------------------------------------------------- End
_endstyles = EndTabGroup("Styles")
def update_param(self, obj):
self.arrow_angle = obj.arrow_angle
self.arrow_size = obj.arrow_size
self.xarrow_pen.update_param(obj.x_pen)
self.yarrow_pen.update_param(obj.y_pen)
self.xarrow_brush.update_param(obj.x_brush)
self.yarrow_brush.update_param(obj.y_brush)
def update_axes(self, obj):
obj.arrow_angle = self.arrow_angle
obj.arrow_size = self.arrow_size
obj.x_pen = self.xarrow_pen.build_pen()
obj.x_brush = self.xarrow_brush.build_brush()
obj.y_pen = self.yarrow_pen.build_pen()
obj.y_brush = self.yarrow_brush.build_brush()
class AnnotationParam(DataSet):
show_label = BoolItem(_("Show annotation"), default=True)
show_computations = BoolItem(_("Show informations on area "
"covered by this shape"), default=True)
title = StringItem(_("Title"), default="")
subtitle = StringItem(_("Subtitle"), default="")
format = StringItem(_("String formatting"), default="%.1f")
uncertainty = FloatItem(_("Uncertainty"), default=0., min=0., max=1.,
help=_("Measurement relative uncertainty")
).set_pos(col=1)
transform_matrix = FloatArrayItem(_("Transform matrix"),
default=np.eye(3, dtype=float))
readonly = BoolItem(_("Read-only shape"), default=False,
help=_("Read-only shapes can't be removed from "
"the item list panel"))
private = BoolItem(_("Private shape"), default=False,
help=_("Private shapes are not shown in "
"the item list panel")).set_pos(col=1)
def update_param(self, obj):
self.show_label = obj.is_label_visible()
self.show_computations = obj.area_computations_visible
self.title = to_text_string(obj.title().text())
self.readonly = obj.is_readonly()
self.private = obj.is_private()
def update_annotation(self, obj):
plot = obj.plot()
if plot is not None:
plot.blockSignals(True) # Avoid unwanted calls of update_param
# triggered by the setter methods below
obj.setTitle(self.title)
obj.set_label_visible(self.show_label)
obj.area_computations_visible = self.show_computations
obj.update_label()
obj.set_readonly(self.readonly)
obj.set_private(self.private)
if plot is not None:
plot.blockSignals(False)
# ===================================================
# Range selection parameters
# ===================================================
class RangeShapeParam(DataSet):
_styles = BeginTabGroup("Styles")
#------------------------------------------------------------------ Line tab
___line = BeginGroup(_("Line")).set_prop("display", icon="dashdot.png")
line = LineStyleItem(_("Line (not selected)"))
sel_line = LineStyleItem(_("Line (selected)"))
___eline = EndGroup(_("Line"))
#---------------------------------------------------------------- Symbol tab
___symbol = BeginGroup(_("Symbol")).set_prop("display", icon="diamond.png")
symbol = SymbolItem(_("Symbol (not selected)"))
sel_symbol = SymbolItem(_("Symbol (selected)"))
___esymbol = EndGroup(_("Symbol"))
#------------------------------------------------------------------ Fill tab
___fill = BeginGroup(_("Fill")).set_prop("display",
icon="dense6pattern.png")
fill = ColorItem(_("Fill color"))
shade = FloatItem(_("Shade"), default = .05, min=0, max=1)
___efill = EndGroup(_("Fill"))
#----------------------------------------------------------------------- End
_endstyles = EndTabGroup("Styles")
def update_param(self, range):
self.line.update_param(range.pen)
self.sel_line.update_param(range.sel_pen)
self.fill = range.brush.color().name()
self.shade = range.brush.color().alphaF()
self.symbol.update_param(range.symbol)
self.sel_symbol.update_param(range.sel_symbol)
def update_range(self, range):
range.pen = self.line.build_pen()
range.sel_pen = self.sel_line.build_pen()
col = QColor(self.fill)
col.setAlphaF(self.shade)
range.brush = QBrush(col)
range.symbol = self.symbol.build_symbol()
range.sel_symbol = self.sel_symbol.build_symbol()
|