impr: minor improvement

ui/designer/tabs/tabOcr/tabOcr_B30.ui

@@ -13,7 +13,7 @@
   <property name="windowTitle">
    <string notr="true">TabOcr_B30</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout_3">
+  <layout class="QVBoxLayout" name="verticalLayout_2">
    <item>
     <widget class="QGroupBox" name="groupBox">
      <property name="title">
@@ -27,60 +27,87 @@
     </widget>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout">
-     <item>
-      <widget class="QGroupBox" name="groupBox_3">
-       <property name="title">
-        <string>knnModelSelector.title</string>
-       </property>
-       <layout class="QVBoxLayout" name="verticalLayout_4">
-        <item>
-         <widget class="FileSelector" name="knnModelSelector" native="true"/>
-        </item>
-       </layout>
-      </widget>
-     </item>
-     <item>
-      <widget class="QGroupBox" name="groupBox_5">
-       <property name="title">
-        <string>b30KnnModelSelector.title</string>
-       </property>
-       <layout class="QVBoxLayout" name="verticalLayout_6">
-        <item>
-         <widget class="FileSelector" name="b30KnnModelSelector" native="true"/>
-        </item>
-       </layout>
-      </widget>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_3">
-     <item>
-      <widget class="QGroupBox" name="groupBox_4">
-       <property name="title">
-        <string>phashDatabaseSelector.title</string>
-       </property>
-       <layout class="QVBoxLayout" name="verticalLayout_5">
-        <item>
-         <widget class="FileSelector" name="phashDatabaseSelector" native="true"/>
-        </item>
-       </layout>
-      </widget>
-     </item>
-     <item>
-      <widget class="QGroupBox" name="groupBox_2">
-       <property name="title">
-        <string>imageSelector.title</string>
-       </property>
-       <layout class="QVBoxLayout" name="verticalLayout_2">
-        <item>
-         <widget class="FileSelector" name="imageSelector" native="true"/>
-        </item>
-       </layout>
-      </widget>
-     </item>
-    </layout>
+    <widget class="QGroupBox" name="groupBox_6">
+     <property name="title">
+      <string>dependencies.title</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout" columnstretch="0,0,0,0,1">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>dependencies.knnModel</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="2">
+       <widget class="QLabel" name="dependencies_knnModelStatusLabel">
+        <property name="text">
+         <string notr="true">...</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="3" rowspan="3">
+       <widget class="Line" name="line_2">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>dependencies.b30KnnModel</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="2">
+       <widget class="QLabel" name="dependencies_phashDatabaseStatusLabel">
+        <property name="text">
+         <string notr="true">...</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1" rowspan="3">
+       <widget class="Line" name="line">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="label_3">
+        <property name="text">
+         <string>dependencies.phashDatabase</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="2">
+       <widget class="QLabel" name="dependencies_b30KnnModelStatusLabel">
+        <property name="text">
+         <string notr="true">...</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="4">
+       <widget class="FileSelector" name="dependencies_knnModelSelector" native="true"/>
+      </item>
+      <item row="1" column="4">
+       <widget class="FileSelector" name="dependencies_b30KnnModelSelector" native="true"/>
+      </item>
+      <item row="2" column="4">
+       <widget class="FileSelector" name="dependencies_phashDatabaseSelector" native="true"/>
+      </item>
+     </layout>
+    </widget>
    </item>
    <item>
     <widget class="OcrQueue" name="ocrQueue" native="true">

ui/designer/tabs/tabOcr/tabOcr_B30_ui.py

@@ -15,8 +15,9 @@ 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, QComboBox, QGroupBox, QHBoxLayout,
-    QSizePolicy, QVBoxLayout, QWidget)
+from PySide6.QtWidgets import (QApplication, QComboBox, QFrame, QGridLayout,
+    QGroupBox, QLabel, QSizePolicy, QVBoxLayout,
+    QWidget)
 
 from ui.implements.components.fileSelector import FileSelector
 from ui.implements.components.ocrQueue import OcrQueue
@@ -27,8 +28,8 @@ class Ui_TabOcr_B30(object):
             TabOcr_B30.setObjectName(u"TabOcr_B30")
         TabOcr_B30.resize(555, 461)
         TabOcr_B30.setWindowTitle(u"TabOcr_B30")
-        self.verticalLayout_3 = QVBoxLayout(TabOcr_B30)
-        self.verticalLayout_3.setObjectName(u"verticalLayout_3")
+        self.verticalLayout_2 = QVBoxLayout(TabOcr_B30)
+        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
         self.groupBox = QGroupBox(TabOcr_B30)
         self.groupBox.setObjectName(u"groupBox")
         self.verticalLayout = QVBoxLayout(self.groupBox)
@@ -39,65 +40,80 @@ class Ui_TabOcr_B30(object):
         self.verticalLayout.addWidget(self.b30TypeComboBox)
 
 
-        self.verticalLayout_3.addWidget(self.groupBox)
+        self.verticalLayout_2.addWidget(self.groupBox)
 
-        self.horizontalLayout = QHBoxLayout()
-        self.horizontalLayout.setObjectName(u"horizontalLayout")
-        self.groupBox_3 = QGroupBox(TabOcr_B30)
-        self.groupBox_3.setObjectName(u"groupBox_3")
-        self.verticalLayout_4 = QVBoxLayout(self.groupBox_3)
-        self.verticalLayout_4.setObjectName(u"verticalLayout_4")
-        self.knnModelSelector = FileSelector(self.groupBox_3)
-        self.knnModelSelector.setObjectName(u"knnModelSelector")
+        self.groupBox_6 = QGroupBox(TabOcr_B30)
+        self.groupBox_6.setObjectName(u"groupBox_6")
+        self.gridLayout = QGridLayout(self.groupBox_6)
+        self.gridLayout.setObjectName(u"gridLayout")
+        self.label = QLabel(self.groupBox_6)
+        self.label.setObjectName(u"label")
+        self.label.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
 
-        self.verticalLayout_4.addWidget(self.knnModelSelector)
+        self.gridLayout.addWidget(self.label, 0, 0, 1, 1)
 
+        self.dependencies_knnModelStatusLabel = QLabel(self.groupBox_6)
+        self.dependencies_knnModelStatusLabel.setObjectName(u"dependencies_knnModelStatusLabel")
+        self.dependencies_knnModelStatusLabel.setText(u"...")
 
-        self.horizontalLayout.addWidget(self.groupBox_3)
+        self.gridLayout.addWidget(self.dependencies_knnModelStatusLabel, 0, 2, 1, 1)
 
-        self.groupBox_5 = QGroupBox(TabOcr_B30)
-        self.groupBox_5.setObjectName(u"groupBox_5")
-        self.verticalLayout_6 = QVBoxLayout(self.groupBox_5)
-        self.verticalLayout_6.setObjectName(u"verticalLayout_6")
-        self.b30KnnModelSelector = FileSelector(self.groupBox_5)
-        self.b30KnnModelSelector.setObjectName(u"b30KnnModelSelector")
+        self.line_2 = QFrame(self.groupBox_6)
+        self.line_2.setObjectName(u"line_2")
+        self.line_2.setFrameShape(QFrame.VLine)
+        self.line_2.setFrameShadow(QFrame.Sunken)
 
-        self.verticalLayout_6.addWidget(self.b30KnnModelSelector)
+        self.gridLayout.addWidget(self.line_2, 0, 3, 3, 1)
 
+        self.label_2 = QLabel(self.groupBox_6)
+        self.label_2.setObjectName(u"label_2")
+        self.label_2.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
 
-        self.horizontalLayout.addWidget(self.groupBox_5)
+        self.gridLayout.addWidget(self.label_2, 1, 0, 1, 1)
 
+        self.dependencies_phashDatabaseStatusLabel = QLabel(self.groupBox_6)
+        self.dependencies_phashDatabaseStatusLabel.setObjectName(u"dependencies_phashDatabaseStatusLabel")
+        self.dependencies_phashDatabaseStatusLabel.setText(u"...")
 
-        self.verticalLayout_3.addLayout(self.horizontalLayout)
+        self.gridLayout.addWidget(self.dependencies_phashDatabaseStatusLabel, 2, 2, 1, 1)
 
-        self.horizontalLayout_3 = QHBoxLayout()
-        self.horizontalLayout_3.setObjectName(u"horizontalLayout_3")
-        self.groupBox_4 = QGroupBox(TabOcr_B30)
-        self.groupBox_4.setObjectName(u"groupBox_4")
-        self.verticalLayout_5 = QVBoxLayout(self.groupBox_4)
-        self.verticalLayout_5.setObjectName(u"verticalLayout_5")
-        self.phashDatabaseSelector = FileSelector(self.groupBox_4)
-        self.phashDatabaseSelector.setObjectName(u"phashDatabaseSelector")
+        self.line = QFrame(self.groupBox_6)
+        self.line.setObjectName(u"line")
+        self.line.setFrameShape(QFrame.VLine)
+        self.line.setFrameShadow(QFrame.Sunken)
 
-        self.verticalLayout_5.addWidget(self.phashDatabaseSelector)
+        self.gridLayout.addWidget(self.line, 0, 1, 3, 1)
 
+        self.label_3 = QLabel(self.groupBox_6)
+        self.label_3.setObjectName(u"label_3")
+        self.label_3.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
 
-        self.horizontalLayout_3.addWidget(self.groupBox_4)
+        self.gridLayout.addWidget(self.label_3, 2, 0, 1, 1)
 
-        self.groupBox_2 = QGroupBox(TabOcr_B30)
-        self.groupBox_2.setObjectName(u"groupBox_2")
-        self.verticalLayout_2 = QVBoxLayout(self.groupBox_2)
-        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
-        self.imageSelector = FileSelector(self.groupBox_2)
-        self.imageSelector.setObjectName(u"imageSelector")
+        self.dependencies_b30KnnModelStatusLabel = QLabel(self.groupBox_6)
+        self.dependencies_b30KnnModelStatusLabel.setObjectName(u"dependencies_b30KnnModelStatusLabel")
+        self.dependencies_b30KnnModelStatusLabel.setText(u"...")
 
-        self.verticalLayout_2.addWidget(self.imageSelector)
+        self.gridLayout.addWidget(self.dependencies_b30KnnModelStatusLabel, 1, 2, 1, 1)
 
+        self.dependencies_knnModelSelector = FileSelector(self.groupBox_6)
+        self.dependencies_knnModelSelector.setObjectName(u"dependencies_knnModelSelector")
 
-        self.horizontalLayout_3.addWidget(self.groupBox_2)
+        self.gridLayout.addWidget(self.dependencies_knnModelSelector, 0, 4, 1, 1)
 
+        self.dependencies_b30KnnModelSelector = FileSelector(self.groupBox_6)
+        self.dependencies_b30KnnModelSelector.setObjectName(u"dependencies_b30KnnModelSelector")
 
-        self.verticalLayout_3.addLayout(self.horizontalLayout_3)
+        self.gridLayout.addWidget(self.dependencies_b30KnnModelSelector, 1, 4, 1, 1)
+
+        self.dependencies_phashDatabaseSelector = FileSelector(self.groupBox_6)
+        self.dependencies_phashDatabaseSelector.setObjectName(u"dependencies_phashDatabaseSelector")
+
+        self.gridLayout.addWidget(self.dependencies_phashDatabaseSelector, 2, 4, 1, 1)
+
+        self.gridLayout.setColumnStretch(4, 1)
+
+        self.verticalLayout_2.addWidget(self.groupBox_6)
 
         self.ocrQueue = OcrQueue(TabOcr_B30)
         self.ocrQueue.setObjectName(u"ocrQueue")
@@ -107,7 +123,7 @@ class Ui_TabOcr_B30(object):
         sizePolicy.setHeightForWidth(self.ocrQueue.sizePolicy().hasHeightForWidth())
         self.ocrQueue.setSizePolicy(sizePolicy)
 
-        self.verticalLayout_3.addWidget(self.ocrQueue)
+        self.verticalLayout_2.addWidget(self.ocrQueue)
 
 
         self.retranslateUi(TabOcr_B30)
@@ -117,10 +133,10 @@ class Ui_TabOcr_B30(object):
 
     def retranslateUi(self, TabOcr_B30):
         self.groupBox.setTitle(QCoreApplication.translate("TabOcr_B30", u"b30type", None))
-        self.groupBox_3.setTitle(QCoreApplication.translate("TabOcr_B30", u"knnModelSelector.title", None))
-        self.groupBox_5.setTitle(QCoreApplication.translate("TabOcr_B30", u"b30KnnModelSelector.title", None))
-        self.groupBox_4.setTitle(QCoreApplication.translate("TabOcr_B30", u"phashDatabaseSelector.title", None))
-        self.groupBox_2.setTitle(QCoreApplication.translate("TabOcr_B30", u"imageSelector.title", None))
+        self.groupBox_6.setTitle(QCoreApplication.translate("TabOcr_B30", u"dependencies.title", None))
+        self.label.setText(QCoreApplication.translate("TabOcr_B30", u"dependencies.knnModel", None))
+        self.label_2.setText(QCoreApplication.translate("TabOcr_B30", u"dependencies.b30KnnModel", None))
+        self.label_3.setText(QCoreApplication.translate("TabOcr_B30", u"dependencies.phashDatabase", None))
         pass
     # retranslateUi
 

ui/designer/tabs/tabOcr/tabOcr_Device.ui

@@ -79,6 +79,12 @@
          </item>
          <item row="0" column="1">
           <widget class="QStackedWidget" name="options_roisStackedWidget">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
            <property name="currentIndex">
             <number>0</number>
            </property>
@@ -148,6 +154,12 @@
          </item>
          <item row="1" column="1">
           <widget class="QStackedWidget" name="options_maskerStackedWidget">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
            <property name="currentIndex">
             <number>0</number>
            </property>

ui/designer/tabs/tabOcr/tabOcr_Device_ui.py

@@ -76,6 +76,11 @@ class Ui_TabOcr_Device(object):
 
         self.options_roisStackedWidget = QStackedWidget(self.options_preciseControlWidget)
         self.options_roisStackedWidget.setObjectName(u"options_roisStackedWidget")
+        sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Maximum)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.options_roisStackedWidget.sizePolicy().hasHeightForWidth())
+        self.options_roisStackedWidget.setSizePolicy(sizePolicy)
         self.page = QWidget()
         self.page.setObjectName(u"page")
         self.verticalLayout_2 = QVBoxLayout(self.page)
@@ -119,6 +124,8 @@ class Ui_TabOcr_Device(object):
 
         self.options_maskerStackedWidget = QStackedWidget(self.options_preciseControlWidget)
         self.options_maskerStackedWidget.setObjectName(u"options_maskerStackedWidget")
+        sizePolicy.setHeightForWidth(self.options_maskerStackedWidget.sizePolicy().hasHeightForWidth())
+        self.options_maskerStackedWidget.setSizePolicy(sizePolicy)
         self.page_3 = QWidget()
         self.page_3.setObjectName(u"page_3")
         self.verticalLayout_5 = QVBoxLayout(self.page_3)
@@ -209,11 +216,11 @@ class Ui_TabOcr_Device(object):
 
         self.ocrQueue = OcrQueue(TabOcr_Device)
         self.ocrQueue.setObjectName(u"ocrQueue")
-        sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.ocrQueue.sizePolicy().hasHeightForWidth())
-        self.ocrQueue.setSizePolicy(sizePolicy)
+        sizePolicy1 = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding)
+        sizePolicy1.setHorizontalStretch(0)
+        sizePolicy1.setVerticalStretch(0)
+        sizePolicy1.setHeightForWidth(self.ocrQueue.sizePolicy().hasHeightForWidth())
+        self.ocrQueue.setSizePolicy(sizePolicy1)
 
         self.verticalLayout_3.addWidget(self.ocrQueue)
 

ui/extends/ocr/dependencies.py

@@ -0,0 +1,28 @@
+import cv2
+from arcaea_offline_ocr.phash_db import ImagePhashDatabase
+
+
+def getCv2StatModelStatusText(model: cv2.ml.StatModel):
+    if not isinstance(model, cv2.ml.StatModel):
+        return '<font color="red">ERROR</font>'
+
+    varCount = model.getVarCount()
+    if varCount != 81:
+        return f'<font color="darkorange">WARN</font>, varCount {varCount}'
+    else:
+        return f'<font color="green">OK</font>, varCount {varCount}'
+
+
+def getPhashDatabaseStatusText(db: ImagePhashDatabase):
+    if not isinstance(db, ImagePhashDatabase):
+        return '<font color="red">ERROR</font>'
+
+    jacketCount = len(db.jacket_hashes)
+    partnerIconCount = len(db.partner_icon_hashes)
+
+    statusText = f"J{jacketCount} PI{partnerIconCount}"
+
+    if partnerIconCount <= 0:
+        return f'<font color="darkorange">WARN</font>, {statusText}'
+    else:
+        return f'<font color="green">OK</font>, {statusText}'

ui/extends/shared/cv2_utils.py

@@ -1,28 +0,0 @@
-import cv2
-import numpy as np
-from PySide6.QtGui import QImage
-
-
-def cv2BgrMatToQImage(mat) -> QImage:
-    arr = np.ascontiguousarray(mat)
-    return QImage(
-        arr.data,
-        arr.shape[1],
-        arr.shape[0],
-        arr.strides[0],
-        QImage.Format.Format_RGB888,
-    ).rgbSwapped()
-
-
-def qImageToCvMatBgr(qImg: QImage):
-    # from Bing AI, references
-    # 1: https://stackoverflow.com/q/384759/16484891 | CC BY-SA 4.0
-    # 2: https://stackoverflow.com/q/37552924/16484891 | CC BY-SA 3.0
-    qImg = qImg.convertToFormat(QImage.Format.Format_RGB888)
-    qImg = qImg.copy().rgbSwapped()
-    return np.ndarray(
-        (qImg.height(), qImg.width(), 3),
-        buffer=qImg.constBits(),
-        strides=[qImg.bytesPerLine(), 3, 1],
-        dtype=np.uint8,
-    )

ui/extends/shared/data.py

@@ -2,8 +2,9 @@ import json
 import sys
 from functools import cached_property
 from pathlib import Path
-from typing import Literal
+from typing import Literal, Optional, overload
 
+from arcaea_offline.models import Chart, Difficulty, Song
 from PySide6.QtCore import QFile
 
 from .singleton import Singleton
@@ -45,3 +46,41 @@ class Data(metaclass=Singleton):
     @property
     def arcaeaPath(self):
         return self.dataPath / "Arcaea"
+
+    @overload
+    def getJacketPath(self, chart: Chart, /) -> Path | None:
+        ...
+
+    @overload
+    def getJacketPath(
+        self, song: Song, difficulty: Optional[Difficulty] = None, /
+    ) -> Path | None:
+        ...
+
+    def getJacketPath(self, *args) -> Path | None:
+        if isinstance(args[0], Chart):
+            chart = args[0]
+            ratingSpecified = f"{chart.song_id}_{chart.rating_class}"
+            base = chart.song_id
+        elif isinstance(args[0], Song):
+            song = args[0]
+            difficulty = args[1]
+            ratingSpecified = (
+                f"{song.id}_{difficulty.rating_class}"
+                if isinstance(difficulty, Difficulty)
+                else song.id
+            )
+            base = song.id
+        else:
+            raise ValueError()
+
+        ratingSpecified += ".jpg"
+        base += ".jpg"
+
+        jacketsPath = self.arcaeaPath / "Song"
+        if (jacketsPath / ratingSpecified).exists():
+            return jacketsPath / ratingSpecified
+        elif (jacketsPath / base).exists():
+            return jacketsPath / base
+        else:
+            return None

ui/extends/shared/delegates/base.py

@@ -1,8 +1,15 @@
-from typing import Callable
+from enum import IntEnum
+from typing import Callable, Literal
 
-from PySide6.QtCore import QEvent, QModelIndex, QObject, QPoint, QSize, Qt
+from PySide6.QtCore import QModelIndex, QPoint, QSize, Qt
 from PySide6.QtGui import QBrush, QColor, QFont, QFontMetrics, QLinearGradient, QPainter
-from PySide6.QtWidgets import QApplication, QStyledItemDelegate, QStyleOptionViewItem
+from PySide6.QtWidgets import QStyledItemDelegate, QStyleOptionViewItem
+
+
+class TextSegmentDelegateVerticalAlign(IntEnum):
+    Top = 0
+    Middle = 1
+    Bottom = 2
 
 
 class TextSegmentDelegate(QStyledItemDelegate):
@@ -15,6 +22,28 @@ class TextSegmentDelegate(QStyledItemDelegate):
     GradientWrapperRole = TextRole + 3
     FontRole = TextRole + 20
 
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        # TODO: make this differ by index
+        self.baseXOffset = 0
+        self.baseYOffset = 0
+
+        self.verticalAlign = TextSegmentDelegateVerticalAlign.Middle
+
+    def setVerticalAlign(self, align: Literal["top", "middle", "bottom"]):
+        if not isinstance(align, str) and align not in ["top", "middle", "bottom"]:
+            raise ValueError(
+                "TextSegment only supports top/middle/bottom vertical aligning."
+            )
+
+        if align == "top":
+            self.verticalAlign = TextSegmentDelegateVerticalAlign.Top
+        elif align == "middle":
+            self.verticalAlign = TextSegmentDelegateVerticalAlign.Middle
+        elif align == "bottom":
+            self.verticalAlign = TextSegmentDelegateVerticalAlign.Bottom
+
     def getTextSegments(
         self, index: QModelIndex, option
     ) -> list[
@@ -50,14 +79,32 @@ class TextSegmentDelegate(QStyledItemDelegate):
             height += lineHeight + self.VerticalPadding
         return QSize(width, height)
 
+    def baseX(self, option: QStyleOptionViewItem, index: QModelIndex):
+        return option.rect.x() + self.HorizontalPadding + self.baseXOffset
+
+    def baseY(self, option: QStyleOptionViewItem, index: QModelIndex):
+        baseY = option.rect.y() + self.VerticalPadding + self.baseYOffset
+        if self.verticalAlign != TextSegmentDelegateVerticalAlign.Top:
+            paintAreaSize: QSize = option.rect.size()
+            delegateSize = self.sizeHint(option, index)
+            if self.verticalAlign == TextSegmentDelegateVerticalAlign.Middle:
+                baseY += round((paintAreaSize.height() - delegateSize.height()) / 2)
+            elif self.verticalAlign == TextSegmentDelegateVerticalAlign.Bottom:
+                baseY += paintAreaSize.height() - delegateSize.height()
+        return baseY
+
+    def textMaxWidth(self, option: QStyleOptionViewItem, index: QModelIndex):
+        return option.rect.width() - (2 * self.HorizontalPadding) - self.baseXOffset
+
     def paint(
         self, painter: QPainter, option: QStyleOptionViewItem, index: QModelIndex
     ):
         self.initStyleOption(option, index)
-        # draw text only
-        baseX = option.rect.x() + self.HorizontalPadding
-        baseY = option.rect.y() + self.VerticalPadding
-        maxWidth = option.rect.width() - (2 * self.HorizontalPadding)
+
+        baseX = self.baseX(option, index)
+        baseY = self.baseY(option, index)
+        maxWidth = self.textMaxWidth(option, index)
+
         fm: QFontMetrics = option.fontMetrics
         painter.save()
         for line in self.getTextSegments(index, option):
@@ -69,8 +116,7 @@ class TextSegmentDelegate(QStyledItemDelegate):
                 # elide text, get font values
                 text = textFrag[self.TextRole]
                 fragMaxWidth = maxWidth - (lineBaseX - baseX)
-                font = textFrag.get(self.FontRole)
-                if font:
+                if font := textFrag.get(self.FontRole):
                     painter.setFont(font)
                     _fm = QFontMetrics(font)
                 else:
@@ -116,37 +162,3 @@ class TextSegmentDelegate(QStyledItemDelegate):
 
     def super_styledItemDelegate_paint(self, painter, option, index):
         return super().paint(painter, option, index)
-
-
-class NoCommitWhenFocusOutEventFilter(QObject):
-    """
-    --DEPRECATED--
-
-    The default QAbstractItemDelegate implementation has a private function
-    `editorEventFilter()`, when editor sends focusOut/hide event, it emits the
-    `commitData(editor)` signal. We don't want this since we need to validate
-    the input, so we filter the event out and handle it by ourselves.
-
-    Reimplement `checkIsEditor(self, val) -> bool` to ensure this filter is
-    working. The default implementation always return `False`.
-    """
-
-    def checkIsEditor(self, val) -> bool:
-        return False
-
-    def eventFilter(self, object: QObject, event: QEvent) -> bool:
-        if self.checkIsEditor(object) and event.type() in [
-            QEvent.Type.FocusOut,
-            QEvent.Type.Hide,
-        ]:
-            widget = QApplication.focusWidget()
-            while widget:
-                # check if focus changed into editor's child
-                if self.checkIsEditor(widget):
-                    return False
-                widget = widget.parentWidget()
-
-            object.hide()
-            object.deleteLater()
-            return True
-        return False

ui/extends/shared/delegates/chartDelegate.py

@@ -1,7 +1,8 @@
-from arcaea_offline.models import Chart
+from arcaea_offline.models import Chart, Difficulty, Song
 from arcaea_offline.utils.rating import rating_class_to_short_text, rating_class_to_text
+from PIL import Image
 from PySide6.QtCore import QModelIndex, Qt, Signal
-from PySide6.QtGui import QColor
+from PySide6.QtGui import QColor, QPainter, QPixmap
 from PySide6.QtWidgets import (
     QFrame,
     QHBoxLayout,
@@ -13,6 +14,7 @@ from PySide6.QtWidgets import (
     QWidget,
 )
 
+from ui.extends.shared.data import Data
 from ui.implements.components.chartSelector import ChartSelector
 
 from ..utils import keepWidgetInScreen
@@ -86,51 +88,139 @@ class ChartDelegate(TextSegmentDelegate):
     def getChart(self, index: QModelIndex) -> Chart | None:
         return None
 
+    def getSong(self, index: QModelIndex) -> Song | None:
+        return None
+
+    def getDifficulty(self, index: QModelIndex) -> Difficulty | None:
+        return None
+
     def getTextSegments(self, index: QModelIndex, option):
         chart = self.getChart(index)
-        if not isinstance(chart, Chart):
+        song = self.getSong(index)
+        difficulty = self.getDifficulty(index)
+
+        chartValid = isinstance(chart, Chart)
+        songValid = isinstance(song, Song)
+        difficultyValid = isinstance(difficulty, Difficulty)
+
+        if not chartValid and not songValid:
             return [
-                [{self.TextRole: "Chart Invalid", self.ColorRole: QColor("#ff0000")}]
+                [
+                    {
+                        self.TextRole: "Chart/Song not set",
+                        self.ColorRole: QColor("#ff0000"),
+                    }
+                ]
             ]
 
-        chartConstantString = (
-            f"{chart.constant / 10:.1f}"
-            if chart.constant is not None and chart.constant > 0
-            else "?"
+        # get texts
+        if chartValid:
+            title = chart.title
+        else:
+            title = (
+                difficulty.title if difficultyValid and difficulty.title else song.title
+            )
+
+        if chartValid and chart.constant is not None:
+            chartConstantString = f"{chart.constant / 10:.1f}"
+        elif difficultyValid:
+            chartConstantString = str(difficulty.rating)
+            if difficulty.rating_plus:
+                chartConstantString += "+"
+        else:
+            chartConstantString = "?"
+
+        if chartValid:
+            ratingClass = chart.rating_class
+        elif difficultyValid:
+            ratingClass = difficulty.rating_class
+        else:
+            ratingClass = None
+
+        ratingText = (
+            f"{rating_class_to_text(chart.rating_class)} {chartConstantString}"
+            if ratingClass is not None
+            else "Unknown ?"
         )
+
+        if chartValid:
+            descText = f"({chart.song_id}, {chart.set})"
+        else:
+            descText = f"({song.id}, {song.set})"
+
+        # get attributes
+        ratingClassColor = (
+            self.RatingClassColors[ratingClass] if ratingClass is not None else None
+        )
+
         return [
             [
-                {self.TextRole: f"{chart.title}"},
+                {self.TextRole: str(title)},
             ],
             [
                 {
-                    self.TextRole: f"{rating_class_to_text(chart.rating_class)} {chartConstantString}",
-                    self.ColorRole: self.RatingClassColors[chart.rating_class],
+                    self.TextRole: ratingText,
+                    self.ColorRole: ratingClassColor,
                 },
             ],
             [
                 {
-                    self.TextRole: f"({chart.song_id}, {chart.set})",
+                    self.TextRole: descText,
                     self.ColorRole: option.widget.palette().placeholderText().color(),
                 },
             ],
         ]
 
-    def paintWarningBackground(self, index: QModelIndex) -> bool:
-        return True
+    def sizeHint(self, option, index):
+        size = super().sizeHint(option, index)
+        size.setWidth(size.width() + self.HorizontalPadding + size.height())
+        return size
 
     def paint(self, painter, option, index):
-        # draw chartInvalid warning background
-        chart = self.getChart(index)
-        if not isinstance(chart, Chart) and self.paintWarningBackground(index):
-            painter.save()
-            painter.setPen(Qt.PenStyle.NoPen)
-            bgColor = QColor(self.ChartInvalidBackgroundColor)
-            bgColor.setAlpha(50)
-            painter.setBrush(bgColor)
-            painter.drawRect(option.rect)
-            painter.restore()
         option.text = ""
+
+        data = Data()
+
+        chart = self.getChart(index)
+        song = self.getSong(index)
+        difficulty = self.getDifficulty(index)
+
+        if isinstance(chart, Chart):
+            jacketPath = data.getJacketPath(chart)
+        elif isinstance(song, Song):
+            jacketPath = data.getJacketPath(song, difficulty)
+        else:
+            jacketPath = "__TEXT_ONLY__"
+
+        if jacketPath == "__TEXT_ONLY__":
+            super().paint(painter, option, index)
+            return
+
+        textSizeHint = super().sizeHint(option, index)
+        jacketSize = textSizeHint.height()
+        self.baseXOffset = self.HorizontalPadding + jacketSize
+
+        jacketSizeTuple = (jacketSize, jacketSize)
+        if jacketPath:
+            pixmap = (
+                Image.open(str(jacketPath.resolve()))
+                .resize(jacketSizeTuple, Image.BICUBIC)
+                .toqpixmap()
+            )
+        else:
+            pixmap = (
+                Image.fromqpixmap(QPixmap(":/images/jacket-placeholder.png"))
+                .resize(jacketSizeTuple, Image.BICUBIC)
+                .toqpixmap()
+            )
+
+        painter.save()
+        painter.setRenderHint(QPainter.RenderHint.LosslessImageRendering, True)
+        painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)
+        painter.drawPixmap(
+            option.rect.x() + self.HorizontalPadding, self.baseY(option, index), pixmap
+        )
+        painter.restore()
         super().paint(painter, option, index)
 
     def checkIsEditor(self, val):

ui/implements/tabs/tabOcr/tabOcr_B30.py

@@ -1,16 +1,20 @@
 import logging
 
 import cv2
+import numpy as np
 from arcaea_offline_ocr.b30.chieri.v4.ocr import ChieriBotV4Ocr
-from arcaea_offline_ocr.phash_db import ImagePHashDatabase
-from arcaea_offline_ocr.sift_db import SIFTDatabase
+from arcaea_offline_ocr.phash_db import ImagePhashDatabase
 from arcaea_offline_ocr.utils import imread_unicode
+from PIL import Image
 from PySide6.QtCore import Signal, Slot
-from PySide6.QtWidgets import QWidget
+from PySide6.QtWidgets import QFileDialog, QMessageBox, QWidget
 
 from ui.designer.tabs.tabOcr.tabOcr_B30_ui import Ui_TabOcr_B30
 from ui.extends.components.ocrQueue import OcrQueueModel
-from ui.extends.shared.cv2_utils import cv2BgrMatToQImage, qImageToCvMatBgr
+from ui.extends.ocr.dependencies import (
+    getCv2StatModelStatusText,
+    getPhashDatabaseStatusText,
+)
 from ui.extends.shared.language import LanguageChangeEventFilter
 from ui.extends.shared.settings import (
     B30_KNN_MODEL_FILE,
@@ -36,97 +40,119 @@ class TabOcr_B30(Ui_TabOcr_B30, QWidget):
         self.b30TypeComboBox.setCurrentIndex(0)
         self.b30TypeComboBox.setEnabled(False)
 
-        self.imageSelector.filesSelected.connect(self.imageSelected)
-        self.knnModelSelector.filesSelected.connect(self.knnModelSelected)
-        self.b30KnnModelSelector.filesSelected.connect(self.b30KnnModelSelected)
-        self.phashDatabaseSelector.filesSelected.connect(self.phashDatabaseSelected)
+        self.dependencies_knnModelSelector.filesSelected.connect(self.knnModelSelected)
+        self.dependencies_b30KnnModelSelector.filesSelected.connect(
+            self.b30KnnModelSelected
+        )
+        self.dependencies_phashDatabaseSelector.filesSelected.connect(
+            self.phashDatabaseSelected
+        )
 
-        self.imagePath = None  # for checking only
-        self.img = None
-        self.paddleFolder = None
-        self.paddle = None
         self.knnModel = None
         self.b30KnnModel = None
-        # self.siftDatabase = None
         self.phashDatabase = None
 
         self.ocr = None
 
-        self.tryPrepareOcr.connect(self.prepareOcr)
-
         logger.info("Applying settings...")
-        self.knnModelSelector.connectSettings(KNN_MODEL_FILE)
-        self.b30KnnModelSelector.connectSettings(B30_KNN_MODEL_FILE)
-        self.phashDatabaseSelector.connectSettings(PHASH_DATABASE_FILE)
+        self.dependencies_knnModelSelector.connectSettings(KNN_MODEL_FILE)
+        self.dependencies_b30KnnModelSelector.connectSettings(B30_KNN_MODEL_FILE)
+        self.dependencies_phashDatabaseSelector.connectSettings(PHASH_DATABASE_FILE)
 
         self.ocrQueueModel = OcrQueueModel(self)
         self.ocrQueue.setModel(self.ocrQueueModel)
 
-    def imageSelected(self):
-        if selectedFiles := self.imageSelector.selectedFiles():
-            imagePath = selectedFiles[0]
-            self.imagePath = imagePath
-            self.img = imread_unicode(imagePath)
-            self.tryPrepareOcr.emit()
+    # def imageSelected(self):
+    #     if selectedFiles := self.imageSelector.selectedFiles():
+    #         imagePath = selectedFiles[0]
+    #         self.imagePath = imagePath
+    #         self.img = imread_unicode(imagePath)
+    #         self.tryPrepareOcr.emit()
 
     def knnModelSelected(self):
-        if selectedFiles := self.knnModelSelector.selectedFiles():
-            knnModelPath = selectedFiles[0]
-            self.knnModel = cv2.ml.KNearest.load(knnModelPath)
-            self.tryPrepareOcr.emit()
+        try:
+            filePath = self.dependencies_knnModelSelector.selectedFiles()[0]
+            self.knnModel = cv2.ml.KNearest.load(filePath)
+        except Exception:
+            self.knnModel = None
+            logger.exception("Error loading knn model:")
+        finally:
+            self.dependencies_knnModelStatusLabel.setText(
+                getCv2StatModelStatusText(self.knnModel)
+            )
 
     def b30KnnModelSelected(self):
-        if selectedFiles := self.b30KnnModelSelector.selectedFiles():
-            b30KnnModelPath = selectedFiles[0]
-            self.b30KnnModel = cv2.ml.KNearest.load(b30KnnModelPath)
-            self.tryPrepareOcr.emit()
+        try:
+            filePath = self.dependencies_b30KnnModelSelector.selectedFiles()[0]
+            self.b30KnnModel = cv2.ml.KNearest.load(filePath)
+        except Exception:
+            self.b30KnnModel = None
+            logger.exception("Error loading b30 knn model:")
+        finally:
+            self.dependencies_b30KnnModelStatusLabel.setText(
+                getCv2StatModelStatusText(self.b30KnnModel)
+            )
 
     def phashDatabaseSelected(self):
-        if selectedFiles := self.phashDatabaseSelector.selectedFiles():
-            phashDatabasePath = selectedFiles[0]
-            self.phashDatabase = ImagePHashDatabase(phashDatabasePath)
-            self.tryPrepareOcr.emit()
+        try:
+            filePath = self.dependencies_phashDatabaseSelector.selectedFiles()[0]
+            self.phashDatabase = ImagePhashDatabase(filePath)
+        except Exception:
+            self.phashDatabase = None
+            logger.exception("Error loading phash database:")
+        finally:
+            self.dependencies_phashDatabaseStatusLabel.setText(
+                getPhashDatabaseStatusText(self.phashDatabase)
+            )
 
-    def prepareOcr(self):
+    def checkDependencies(self):
         b30Type = self.b30TypeComboBox.currentData()
         if not b30Type:
+            return False
+        elif b30Type == "chieri_v4":
+            return (
+                self.knnModel is not None
+                and self.b30KnnModel is not None
+                and self.phashDatabase is not None
+            )
+        else:
+            return False
+
+    @Slot()
+    def on_ocr_addImageButton_clicked(self):
+        if not self.checkDependencies():
+            QMessageBox.critical(self, None, "Dependencies not configured.")
             return
 
-        if b30Type == "chieri_v4":
-            if (
-                not self.imagePath
-                or not self.knnModel
-                or not self.b30KnnModel
-                or not self.phashDatabase
-            ):
-                return
+        imagePath, _ = QFileDialog.getOpenFileName(
+            self, None, "", "Image Files (*.png *.jpg *.jpeg *.bmp *.webp);;*"
+        )
 
-            self.ocrQueueModel.clear()
+        if not imagePath:
+            return
 
-            ocr = ChieriBotV4Ocr(self.knnModel, self.b30KnnModel, self.phashDatabase)
-            ocr.set_factor(self.img)
-            self.ocr = ocr
+        self.ocrQueueModel.clear()
 
-            roi = ocr.rois
-            for component in roi.components(self.img):
-                qImage = cv2BgrMatToQImage(component.copy())
-                self.ocrQueueModel.addItem(qImage)
+        img = imread_unicode(imagePath, cv2.IMREAD_COLOR)
+        ocr = ChieriBotV4Ocr(self.knnModel, self.b30KnnModel, self.phashDatabase)
+        ocr.set_factor(img)
+        self.ocr = ocr
+
+        roi = ocr.rois
+        for component in roi.components(img):
+            qImage = Image.fromarray(component.copy()).toqimage()
+            self.ocrQueueModel.addItem(qImage)
         self.ocrQueue.resizeTableView()
 
     @Slot()
     def on_ocr_startButton_clicked(self):
-        if (
-            not self.imagePath
-            or not self.knnModel
-            or not self.b30KnnModel
-            or not self.phashDatabase
-        ):
+        if not self.ocr:
             return
 
         for row in range(self.ocrQueueModel.rowCount()):
             index = self.ocrQueueModel.index(row, 0)
             qImage = index.data(OcrQueueModel.ImageQImageRole)
-            cv2Mat = qImageToCvMatBgr(qImage)
+            cv2Mat = np.array(Image.fromqimage(qImage))
             runnable = ChieriV4OcrRunnable(self.ocr, cv2Mat)
             self.ocrQueueModel.setData(index, runnable, OcrQueueModel.OcrRunnableRole)
             self.ocrQueueModel.setData(

ui/resources/lang/en_US.ts

@@ -692,24 +692,24 @@ validation</translation>
         <translation>B30 Image Type</translation>
     </message>
     <message>
-        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="34"/>
-        <source>knnModelSelector.title</source>
-        <translation>Select KNearest Model</translation>
+        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="32"/>
+        <source>dependencies.title</source>
+        <translation>OCR Dependencies</translation>
     </message>
     <message>
-        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="46"/>
-        <source>b30KnnModelSelector.title</source>
-        <translation>Select B30 Specialized KNearest Model</translation>
+        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="38"/>
+        <source>dependencies.knnModel</source>
+        <translation>KNearest model</translation>
     </message>
     <message>
         <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="62"/>
-        <source>phashDatabaseSelector.title</source>
-        <translation>Select Image PHash Database</translation>
+        <source>dependencies.b30KnnModel</source>
+        <translation>B30 KNearest model</translation>
     </message>
     <message>
-        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="74"/>
-        <source>imageSelector.title</source>
-        <translation>Select Image</translation>
+        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="86"/>
+        <source>dependencies.phashDatabase</source>
+        <translation>Image pHash database</translation>
     </message>
 </context>
 <context>

ui/resources/lang/zh_CN.ts

@@ -691,24 +691,24 @@
         <translation>B30 图片类型</translation>
     </message>
     <message>
-        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="34"/>
-        <source>knnModelSelector.title</source>
-        <translation>选择 KNearest 模型</translation>
+        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="32"/>
+        <source>dependencies.title</source>
+        <translation>OCR 依赖</translation>
     </message>
     <message>
-        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="46"/>
-        <source>b30KnnModelSelector.title</source>
-        <translation>选择 B30 特别版 KNearest 模型</translation>
+        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="38"/>
+        <source>dependencies.knnModel</source>
+        <translation>KNearest 模型</translation>
     </message>
     <message>
         <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="62"/>
-        <source>phashDatabaseSelector.title</source>
-        <translation>选择图像 PHash 数据库</translation>
+        <source>dependencies.b30KnnModel</source>
+        <translation>B30 KNearest 模型</translation>
     </message>
     <message>
-        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="74"/>
-        <source>imageSelector.title</source>
-        <translation>选择图片</translation>
+        <location filename="../../designer/tabs/tabOcr/tabOcr_B30.ui" line="86"/>
+        <source>dependencies.phashDatabase</source>
+        <translation>图像 pHash 数据库</translation>
     </message>
 </context>
 <context>

ui/resources/resources.qrc

@@ -8,6 +8,7 @@
 
     <file>images/icon.png</file>
     <file>images/logo.png</file>
+    <file>images/jacket-placeholder.png</file>
     <file>images/stepCalculator/stamina.png</file>
     <file>images/stepCalculator/play.png</file>
     <file>images/stepCalculator/memory-boost.png</file>