Commit e5f73d73 authored by dmMaze's avatar dmMaze
Browse files

mitigate qt5 graphicsview rendering bug

parent 04fbdab7

ballontranslator/__main__.py

+6 −6
Original line number Diff line number Diff line
@@ -16,8 +16,6 @@ def main(): 
    else:

        os.environ['QT_API'] = args.qt_api



    os.environ["QT_ENABLE_HIGHDPI_SCALING"] = "1"



    if sys.platform == 'win32':

        import ctypes

        myappid = u'BalloonsTranslator' # arbitrary string
@@ -28,13 +26,13 @@ def main(): 
    from qtpy.QtCore import QTranslator, QLocale, Qt

    from qtpy.QtGui import QIcon



    QApplication.setHighDpiScaleFactorRoundingPolicy(Qt.HighDpiScaleFactorRoundingPolicy.PassThrough)



    from ui import constants

    if qtpy.API_NAME[-1] == '6':

        constants.FLAG_QT6 = True



    from ui.mainwindow import MainWindow

    else:

        QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True) #enable highdpi scaling

        QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True) #use highdpi icons

        QApplication.setHighDpiScaleFactorRoundingPolicy(Qt.HighDpiScaleFactorRoundingPolicy.PassThrough)



    os.chdir(constants.PROGRAM_PATH)

    app = QApplication(sys.argv)
@@ -44,7 +42,9 @@ def main(): 
        osp.dirname(osp.abspath(__file__)) + "/data/translate",

    )

    app.installTranslator(translator)

    # app.setAttribute(Qt.AA_UseHighDpiPixmaps, True) #use highdpi icons



    from ui.mainwindow import MainWindow

    ballontrans = MainWindow(app, open_dir=args.proj_dir)

    ballontrans.setWindowIcon(QIcon(constants.ICON_PATH))

    ballontrans.show()

ballontranslator/ui/canvas.py

+7 −1
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ from .textitem import TextBlkItem, TextBlock 
from .texteditshapecontrol import TextBlkShapeControl

from .stylewidgets import FadeLabel

from .image_edit import ImageEditMode, DrawingLayer, StrokeImgItem

from . import constants as C



CANVAS_SCALE_MAX = 3.0

CANVAS_SCALE_MIN = 0.1
@@ -113,6 +114,12 @@ class Canvas(QGraphicsScene): 
        self.gv.view_resized.connect(self.onViewResized)

        self.gv.hide_canvas.connect(self.on_hide_canvas)

        self.gv.setRenderHint(QPainter.RenderHint.Antialiasing)

        

        if not C.FLAG_QT6:

            # mitigate https://bugreports.qt.io/browse/QTBUG-93417

            # produce blurred result, saving imgs remain unaffected

            self.gv.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform)

        

        self.ctrl_relesed = self.gv.ctrl_released

        self.vscroll_bar = self.gv.verticalScrollBar()

        self.hscroll_bar = self.gv.horizontalScrollBar()
@@ -143,7 +150,6 @@ class Canvas(QGraphicsScene): 
        self.drawingLayer = DrawingLayer()

        self.drawingLayer.setTransformationMode(Qt.TransformationMode.FastTransformation)

        self.textLayer = QGraphicsPixmapItem()

        self.textLayer.setTransformationMode(Qt.TransformationMode.SmoothTransformation)

        

        self.addItem(self.baseLayer)

        self.inpaintLayer.setParentItem(self.baseLayer)