Add option to enable/disable label painting

Author: vdalv

labelImg.py

@@ -370,13 +370,20 @@ def __init__(self, defaultFilename=None, defaultPrefdefClassFile=None, defaultSa
         self.singleClassMode.setCheckable(True)
         self.singleClassMode.setChecked(settings.get(SETTING_SINGLE_CLASS, False))
         self.lastLabel = None
+        # Add option to enable/disable labels being painted at the top of bounding boxes
+        self.paintLabelsOption = QAction("Paint Labels", self)
+        self.paintLabelsOption.setShortcut("Ctrl+Shift+P")
+        self.paintLabelsOption.setCheckable(True)
+        self.paintLabelsOption.setChecked(False)
+        self.paintLabelsOption.triggered.connect(self.togglePaintLabelsOption)
 
         addActions(self.menus.file,
                    (open, opendir, changeSavedir, openAnnotation, self.menus.recentFiles, save, save_format, saveAs, close, resetAll, quit))
         addActions(self.menus.help, (help, showInfo))
         addActions(self.menus.view, (
             self.autoSaving,
             self.singleClassMode,
+            self.paintLabelsOption,
             labels, advancedMode, None,
             hideAll, showAll, None,
             zoomIn, zoomOut, zoomOrg, None,
@@ -709,6 +716,7 @@ def shapeSelectionChanged(self, selected=False):
         self.actions.shapeFillColor.setEnabled(selected)
 
     def addLabel(self, shape):
+        shape.paintLabel = self.paintLabelsOption.isChecked()
         item = HashableQListWidgetItem(shape.label)
         item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
         item.setCheckState(Qt.Checked)
@@ -1399,7 +1407,10 @@ def loadYOLOTXTByFilename(self, txtPath):
         self.loadLabels(shapes)
         self.canvas.verified = tYoloParseReader.verified
 
-
+    def togglePaintLabelsOption(self):
+        paintLabelsOptionChecked = self.paintLabelsOption.isChecked()
+        for shape in self.canvas.shapes:
+            shape.paintLabel = paintLabelsOptionChecked
 
 def inverted(color):
     return QColor(*[255 - v for v in color.getRgb()])

libs/shape.py

@@ -37,12 +37,13 @@ class Shape(object):
     point_size = 8
     scale = 1.0
 
-    def __init__(self, label=None, line_color=None,difficult = False):
+    def __init__(self, label=None, line_color=None, difficult=False, paintLabel=False):
         self.label = label
         self.points = []
         self.fill = False
         self.selected = False
         self.difficult = difficult
+        self.paintLabel = paintLabel
 
         self._highlightIndex = None
         self._highlightMode = self.NEAR_VERTEX
@@ -110,19 +111,20 @@ def paint(self, painter):
             painter.fillPath(vrtx_path, self.vertex_fill_color)
 
             # Draw text at the top-left
-            min_x = sys.maxsize
-            min_y = sys.maxsize
-            for point in self.points:
-                min_x = min(min_x, point.x())
-                min_y = min(min_y, point.y())
-            if min_x != sys.maxsize and min_y != sys.maxsize:
-                font = QFont()
-                font.setPointSize(8)
-                font.setBold(True)
-                painter.setFont(font)
-                if(self.label == None):
-                    self.label = ""
-                painter.drawText(min_x, min_y, self.label)
+            if self.paintLabel:
+                min_x = sys.maxsize
+                min_y = sys.maxsize
+                for point in self.points:
+                    min_x = min(min_x, point.x())
+                    min_y = min(min_y, point.y())
+                if min_x != sys.maxsize and min_y != sys.maxsize:
+                    font = QFont()
+                    font.setPointSize(8)
+                    font.setBold(True)
+                    painter.setFont(font)
+                    if(self.label == None):
+                        self.label = ""
+                    painter.drawText(min_x, min_y, self.label)
 
             if self.fill:
                 color = self.select_fill_color if self.selected else self.fill_color