Add ImageStackWidget

res/designer/imagestackwidget.ui

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ImageStackWidget</class>
+ <widget class="QWidget" name="ImageStackWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>112</height>
+   </rect>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>16777215</width>
+    <height>112</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QGroupBox" name="groupBoxImage">
+     <property name="title">
+      <string>Image</string>
+     </property>
+     <layout class="QFormLayout" name="formLayout_2">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_1">
+        <property name="text">
+         <string>Dimensions:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QLabel" name="imagePixelOutputLabel">
+        <property name="text">
+         <string>AxBxC px</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QCheckBox" name="overrideScalingCheckBox">
+        <property name="text">
+         <string>Override pre-dertermined scaling</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QLineEdit" name="scalingLineEdit"/>
+      </item>
+      <item row="3" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>Scaling:</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/cmlibs/widgets/imagestackwidget.py

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+
+from PySide6 import QtCore, QtGui, QtWidgets
+
+from cmlibs.widgets.ui.ui_imagestackwidget import Ui_ImageStackWidget
+
+
+INVALID_STYLE_SHEET = 'background-color: rgba(239, 0, 0, 50)'
+DEFAULT_STYLE_SHEET = ''
+
+
+class ImageStackWidget(QtWidgets.QWidget):
+
+    scale_updated = QtCore.Signal(list)
+
+    def __init__(self, dimensions, parent=None):
+        QtWidgets.QWidget.__init__(self, parent)
+        self._ui = Ui_ImageStackWidget()
+        self._ui.setupUi(self)
+
+        self._number_of_dimensions = len(dimensions)
+        display_dimensions = ", ".join([f"{d}" for d in dimensions])
+        self._ui.imagePixelOutputLabel.setText(f"{display_dimensions} px")
+
+        self._set_scale_validator()
+        self._make_connections()
+
+    def _set_scale_validator(self):
+        regex = QtCore.QRegularExpression(f"^[0-9.]+(, ?[0-9.]+){{{self._number_of_dimensions - 1}}}$")
+        validator = QtGui.QRegularExpressionValidator(regex)
+        self._ui.scalingLineEdit.setValidator(validator)
+
+    def _make_connections(self):
+        self._ui.scalingLineEdit.editingFinished.connect(self.update_scale)
+        self._ui.scalingLineEdit.textChanged.connect(self._update_style_sheets)
+
+    def _update_style_sheets(self):
+        if not self._ui.scalingLineEdit.hasAcceptableInput():
+            self._ui.scalingLineEdit.setStyleSheet(INVALID_STYLE_SHEET)
+        else:
+            self._ui.scalingLineEdit.setStyleSheet(DEFAULT_STYLE_SHEET)
+
+    def update_scale(self):
+        self._ui.scalingLineEdit.setStyleSheet(DEFAULT_STYLE_SHEET)
+
+        text = self._ui.scalingLineEdit.text()
+        scale = [float(x.strip()) for x in text.split(',')]
+        self.scale_updated.emit(scale)
+
+    def get_scaling(self):
+        return self._ui.scalingLineEdit.text()
+
+    def set_scaling(self, scaling):
+        self._ui.scalingLineEdit.setText(scaling)
+
+    def scaling_overridden(self):
+        return self._ui.overrideScalingCheckBox.isChecked()
+
+    def override_scaling(self, override):
+        self._ui.overrideScalingCheckBox.setChecked(override)

src/cmlibs/widgets/ui/ui_imagestackwidget.py

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+# -*- coding: utf-8 -*-
+
+################################################################################
+## Form generated from reading UI file 'imagestackwidget.ui'
+##
+## Created by: Qt User Interface Compiler version 6.5.1
+##
+## WARNING! All changes made in this file will be lost when recompiling UI file!
+################################################################################
+
+from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
+    QMetaObject, QObject, QPoint, QRect,
+    QSize, QTime, QUrl, Qt)
+from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
+    QFont, QFontDatabase, QGradient, QIcon,
+    QImage, QKeySequence, QLinearGradient, QPainter,
+    QPalette, QPixmap, QRadialGradient, QTransform)
+from PySide6.QtWidgets import (QApplication, QCheckBox, QFormLayout, QGroupBox,
+    QLabel, QLineEdit, QSizePolicy, QVBoxLayout,
+    QWidget)
+
+class Ui_ImageStackWidget(object):
+    def setupUi(self, ImageStackWidget):
+        if not ImageStackWidget.objectName():
+            ImageStackWidget.setObjectName(u"ImageStackWidget")
+        ImageStackWidget.resize(400, 112)
+        ImageStackWidget.setMaximumSize(QSize(16777215, 112))
+        self.verticalLayout = QVBoxLayout(ImageStackWidget)
+        self.verticalLayout.setObjectName(u"verticalLayout")
+        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
+        self.groupBoxImage = QGroupBox(ImageStackWidget)
+        self.groupBoxImage.setObjectName(u"groupBoxImage")
+        self.formLayout_2 = QFormLayout(self.groupBoxImage)
+        self.formLayout_2.setObjectName(u"formLayout_2")
+        self.label_1 = QLabel(self.groupBoxImage)
+        self.label_1.setObjectName(u"label_1")
+
+        self.formLayout_2.setWidget(0, QFormLayout.LabelRole, self.label_1)
+
+        self.imagePixelOutputLabel = QLabel(self.groupBoxImage)
+        self.imagePixelOutputLabel.setObjectName(u"imagePixelOutputLabel")
+
+        self.formLayout_2.setWidget(0, QFormLayout.FieldRole, self.imagePixelOutputLabel)
+
+        self.overrideScalingCheckBox = QCheckBox(self.groupBoxImage)
+        self.overrideScalingCheckBox.setObjectName(u"overrideScalingCheckBox")
+
+        self.formLayout_2.setWidget(2, QFormLayout.FieldRole, self.overrideScalingCheckBox)
+
+        self.scalingLineEdit = QLineEdit(self.groupBoxImage)
+        self.scalingLineEdit.setObjectName(u"scalingLineEdit")
+
+        self.formLayout_2.setWidget(3, QFormLayout.FieldRole, self.scalingLineEdit)
+
+        self.label_2 = QLabel(self.groupBoxImage)
+        self.label_2.setObjectName(u"label_2")
+
+        self.formLayout_2.setWidget(3, QFormLayout.LabelRole, self.label_2)
+
+
+        self.verticalLayout.addWidget(self.groupBoxImage)
+
+
+        self.retranslateUi(ImageStackWidget)
+
+        QMetaObject.connectSlotsByName(ImageStackWidget)
+    # setupUi
+
+    def retranslateUi(self, ImageStackWidget):
+        ImageStackWidget.setWindowTitle(QCoreApplication.translate("ImageStackWidget", u"Form", None))
+        self.groupBoxImage.setTitle(QCoreApplication.translate("ImageStackWidget", u"Image", None))
+        self.label_1.setText(QCoreApplication.translate("ImageStackWidget", u"Dimensions:", None))
+        self.imagePixelOutputLabel.setText(QCoreApplication.translate("ImageStackWidget", u"AxBxC px", None))
+        self.overrideScalingCheckBox.setText(QCoreApplication.translate("ImageStackWidget", u"Override pre-dertermined scaling", None))
+        self.label_2.setText(QCoreApplication.translate("ImageStackWidget", u"Scaling:", None))
+    # retranslateUi
+