Remove extra margins from GUI.

pixelocr/gui/pageview.py

@@ -18,6 +18,7 @@ from PyQt4.QtCore import Qt
 from PyQt4.QtGui import (
     QBrush,
     QColor,
+    QFrame,
     QGraphicsDropShadowEffect,
     QGraphicsScene,
     QGraphicsView,
@@ -76,4 +77,6 @@ class PageScene(QGraphicsScene):
 
 
 class PageView(QGraphicsView):
-    pass
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.setFrameShape(self.NoFrame)

pixelocr/gui/window.py

@@ -42,6 +42,7 @@ class MainWindow(QMainWindow):
 
         layout = QVBoxLayout(centralWidget)
         layout.addWidget(self.page)
+        layout.setContentsMargins(0, 0, 0, 0)
 
         self.readSettings()