diff options
Diffstat (limited to 'examples/widgets/painting/basicdrawing/basicdrawing.py')
| -rw-r--r-- | examples/widgets/painting/basicdrawing/basicdrawing.py | 501 |
1 files changed, 231 insertions, 270 deletions
diff --git a/examples/widgets/painting/basicdrawing/basicdrawing.py b/examples/widgets/painting/basicdrawing/basicdrawing.py index f92da1bd7..858a8cd9f 100644 --- a/examples/widgets/painting/basicdrawing/basicdrawing.py +++ b/examples/widgets/painting/basicdrawing/basicdrawing.py @@ -1,54 +1,17 @@ +# Copyright (C) 2013 Riverbank Computing Limited. +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause -############################################################################# -## -## Copyright (C) 2013 Riverbank Computing Limited. -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## You may use this file under the terms of the BSD license as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################# - -"""PySide2 port of the widgets/painting/basicdrawing example from Qt v5.x, originating from PyQt""" - -from PySide2.QtCore import QPoint, QRect, QSize, Qt, qVersion -from PySide2.QtGui import (QBrush, QConicalGradient, QLinearGradient, QPainter, - QPainterPath, QPalette, QPen, QPixmap, QPolygon, QRadialGradient) -from PySide2.QtWidgets import (QApplication, QCheckBox, QComboBox, QGridLayout, - QLabel, QSpinBox, QWidget) - -import basicdrawing_rc +"""PySide6 port of the widgets/painting/basicdrawing example from Qt v5.x, originating from PyQt""" + +from PySide6.QtCore import QPoint, QRect, QSize, Qt, qVersion +from PySide6.QtGui import (QBrush, QConicalGradient, QLinearGradient, QPainter, + QPainterPath, QPalette, QPen, QPixmap, QPolygon, + QRadialGradient) +from PySide6.QtWidgets import (QApplication, QCheckBox, QComboBox, QGridLayout, + QLabel, QSpinBox, QWidget) + +import basicdrawing_rc # noqa: F401 class RenderArea(QWidget): @@ -59,11 +22,11 @@ class RenderArea(QWidget): QPoint(90, 70) ]) - Line, Points, Polyline, Polygon, Rect, RoundedRect, Ellipse, Arc, Chord, \ - Pie, Path, Text, Pixmap = range(13) + (Line, Points, Polyline, Polygon, Rect, RoundedRect, Ellipse, + Arc, Chord, Pie, Path, Text, Pixmap) = range(13) def __init__(self, parent=None): - super(RenderArea, self).__init__(parent) + super().__init__(parent) self.pen = QPen() self.brush = QBrush() @@ -83,23 +46,23 @@ class RenderArea(QWidget): def sizeHint(self): return QSize(400, 200) - def setShape(self, shape): + def set_shape(self, shape): self.shape = shape self.update() - def setPen(self, pen): + def set_pen(self, pen): self.pen = pen self.update() - def setBrush(self, brush): + def set_brush(self, brush): self.brush = brush self.update() - def setAntialiased(self, antialiased): + def set_antialiased(self, antialiased): self.antialiased = antialiased self.update() - def setTransformed(self, transformed): + def set_transformed(self, transformed): self.transformed = transformed self.update() @@ -111,232 +74,230 @@ class RenderArea(QWidget): path.lineTo(20, 30) path.cubicTo(80, 0, 50, 50, 80, 80) - startAngle = 30 * 16 - arcLength = 120 * 16 - - painter = QPainter(self) - painter.setPen(self.pen) - painter.setBrush(self.brush) - if self.antialiased: - painter.setRenderHint(QPainter.Antialiasing) - - for x in range(0, self.width(), 100): - for y in range(0, self.height(), 100): - painter.save() - painter.translate(x, y) - if self.transformed: - painter.translate(50, 50) - painter.rotate(60.0) - painter.scale(0.6, 0.9) - painter.translate(-50, -50) - - if self.shape == RenderArea.Line: - painter.drawLine(rect.bottomLeft(), rect.topRight()) - elif self.shape == RenderArea.Points: - painter.drawPoints(RenderArea.points) - elif self.shape == RenderArea.Polyline: - painter.drawPolyline(RenderArea.points) - elif self.shape == RenderArea.Polygon: - painter.drawPolygon(RenderArea.points) - elif self.shape == RenderArea.Rect: - painter.drawRect(rect) - elif self.shape == RenderArea.RoundedRect: - painter.drawRoundedRect(rect, 25, 25, Qt.RelativeSize) - elif self.shape == RenderArea.Ellipse: - painter.drawEllipse(rect) - elif self.shape == RenderArea.Arc: - painter.drawArc(rect, startAngle, arcLength) - elif self.shape == RenderArea.Chord: - painter.drawChord(rect, startAngle, arcLength) - elif self.shape == RenderArea.Pie: - painter.drawPie(rect, startAngle, arcLength) - elif self.shape == RenderArea.Path: - painter.drawPath(path) - elif self.shape == RenderArea.Text: - painter.drawText(rect, Qt.AlignCenter, - "PySide 2\nQt %s" % qVersion()) - elif self.shape == RenderArea.Pixmap: - painter.drawPixmap(10, 10, self.pixmap) - - painter.restore() - - painter.setPen(self.palette().dark().color()) - painter.setBrush(Qt.NoBrush) - painter.drawRect(QRect(0, 0, self.width() - 1, self.height() - 1)) - - -IdRole = Qt.UserRole + start_angle = 30 * 16 + arc_length = 120 * 16 + + with QPainter(self) as painter: + painter.setPen(self.pen) + painter.setBrush(self.brush) + if self.antialiased: + painter.setRenderHint(QPainter.Antialiasing) + + for x in range(0, self.width(), 100): + for y in range(0, self.height(), 100): + painter.save() + painter.translate(x, y) + if self.transformed: + painter.translate(50, 50) + painter.rotate(60.0) + painter.scale(0.6, 0.9) + painter.translate(-50, -50) + + if self.shape == RenderArea.Line: + painter.drawLine(rect.bottomLeft(), rect.topRight()) + elif self.shape == RenderArea.Points: + painter.drawPoints(RenderArea.points) + elif self.shape == RenderArea.Polyline: + painter.drawPolyline(RenderArea.points) + elif self.shape == RenderArea.Polygon: + painter.drawPolygon(RenderArea.points) + elif self.shape == RenderArea.Rect: + painter.drawRect(rect) + elif self.shape == RenderArea.RoundedRect: + painter.drawRoundedRect(rect, 25, 25, Qt.RelativeSize) + elif self.shape == RenderArea.Ellipse: + painter.drawEllipse(rect) + elif self.shape == RenderArea.Arc: + painter.drawArc(rect, start_angle, arc_length) + elif self.shape == RenderArea.Chord: + painter.drawChord(rect, start_angle, arc_length) + elif self.shape == RenderArea.Pie: + painter.drawPie(rect, start_angle, arc_length) + elif self.shape == RenderArea.Path: + painter.drawPath(path) + elif self.shape == RenderArea.Text: + qv = qVersion() + painter.drawText(rect, Qt.AlignCenter, + f"PySide 6\nQt {qv}") + elif self.shape == RenderArea.Pixmap: + painter.drawPixmap(10, 10, self.pixmap) + + painter.restore() + + painter.setPen(self.palette().dark().color()) + painter.setBrush(Qt.NoBrush) + painter.drawRect(QRect(0, 0, self.width() - 1, self.height() - 1)) + + +id_role = Qt.UserRole + class Window(QWidget): def __init__(self): - super(Window, self).__init__() - - self.renderArea = RenderArea() - - self.shapeComboBox = QComboBox() - self.shapeComboBox.addItem("Polygon", RenderArea.Polygon) - self.shapeComboBox.addItem("Rectangle", RenderArea.Rect) - self.shapeComboBox.addItem("Rounded Rectangle", RenderArea.RoundedRect) - self.shapeComboBox.addItem("Ellipse", RenderArea.Ellipse) - self.shapeComboBox.addItem("Pie", RenderArea.Pie) - self.shapeComboBox.addItem("Chord", RenderArea.Chord) - self.shapeComboBox.addItem("Path", RenderArea.Path) - self.shapeComboBox.addItem("Line", RenderArea.Line) - self.shapeComboBox.addItem("Polyline", RenderArea.Polyline) - self.shapeComboBox.addItem("Arc", RenderArea.Arc) - self.shapeComboBox.addItem("Points", RenderArea.Points) - self.shapeComboBox.addItem("Text", RenderArea.Text) - self.shapeComboBox.addItem("Pixmap", RenderArea.Pixmap) - - shapeLabel = QLabel("&Shape:") - shapeLabel.setBuddy(self.shapeComboBox) - - self.penWidthSpinBox = QSpinBox() - self.penWidthSpinBox.setRange(0, 20) - self.penWidthSpinBox.setSpecialValueText("0 (cosmetic pen)") - - penWidthLabel = QLabel("Pen &Width:") - penWidthLabel.setBuddy(self.penWidthSpinBox) - - self.penStyleComboBox = QComboBox() - self.penStyleComboBox.addItem("Solid", Qt.SolidLine) - self.penStyleComboBox.addItem("Dash", Qt.DashLine) - self.penStyleComboBox.addItem("Dot", Qt.DotLine) - self.penStyleComboBox.addItem("Dash Dot", Qt.DashDotLine) - self.penStyleComboBox.addItem("Dash Dot Dot", Qt.DashDotDotLine) - self.penStyleComboBox.addItem("None", Qt.NoPen) - - penStyleLabel = QLabel("&Pen Style:") - penStyleLabel.setBuddy(self.penStyleComboBox) - - self.penCapComboBox = QComboBox() - self.penCapComboBox.addItem("Flat", Qt.FlatCap) - self.penCapComboBox.addItem("Square", Qt.SquareCap) - self.penCapComboBox.addItem("Round", Qt.RoundCap) - - penCapLabel = QLabel("Pen &Cap:") - penCapLabel.setBuddy(self.penCapComboBox) - - self.penJoinComboBox = QComboBox() - self.penJoinComboBox.addItem("Miter", Qt.MiterJoin) - self.penJoinComboBox.addItem("Bevel", Qt.BevelJoin) - self.penJoinComboBox.addItem("Round", Qt.RoundJoin) - - penJoinLabel = QLabel("Pen &Join:") - penJoinLabel.setBuddy(self.penJoinComboBox) - - self.brushStyleComboBox = QComboBox() - self.brushStyleComboBox.addItem("Linear Gradient", - Qt.LinearGradientPattern) - self.brushStyleComboBox.addItem("Radial Gradient", - Qt.RadialGradientPattern) - self.brushStyleComboBox.addItem("Conical Gradient", - Qt.ConicalGradientPattern) - self.brushStyleComboBox.addItem("Texture", Qt.TexturePattern) - self.brushStyleComboBox.addItem("Solid", Qt.SolidPattern) - self.brushStyleComboBox.addItem("Horizontal", Qt.HorPattern) - self.brushStyleComboBox.addItem("Vertical", Qt.VerPattern) - self.brushStyleComboBox.addItem("Cross", Qt.CrossPattern) - self.brushStyleComboBox.addItem("Backward Diagonal", Qt.BDiagPattern) - self.brushStyleComboBox.addItem("Forward Diagonal", Qt.FDiagPattern) - self.brushStyleComboBox.addItem("Diagonal Cross", Qt.DiagCrossPattern) - self.brushStyleComboBox.addItem("Dense 1", Qt.Dense1Pattern) - self.brushStyleComboBox.addItem("Dense 2", Qt.Dense2Pattern) - self.brushStyleComboBox.addItem("Dense 3", Qt.Dense3Pattern) - self.brushStyleComboBox.addItem("Dense 4", Qt.Dense4Pattern) - self.brushStyleComboBox.addItem("Dense 5", Qt.Dense5Pattern) - self.brushStyleComboBox.addItem("Dense 6", Qt.Dense6Pattern) - self.brushStyleComboBox.addItem("Dense 7", Qt.Dense7Pattern) - self.brushStyleComboBox.addItem("None", Qt.NoBrush) - - brushStyleLabel = QLabel("&Brush Style:") - brushStyleLabel.setBuddy(self.brushStyleComboBox) - - otherOptionsLabel = QLabel("Other Options:") - self.antialiasingCheckBox = QCheckBox("&Antialiasing") - self.transformationsCheckBox = QCheckBox("&Transformations") - - self.shapeComboBox.activated.connect(self.shapeChanged) - self.penWidthSpinBox.valueChanged.connect(self.penChanged) - self.penStyleComboBox.activated.connect(self.penChanged) - self.penCapComboBox.activated.connect(self.penChanged) - self.penJoinComboBox.activated.connect(self.penChanged) - self.brushStyleComboBox.activated.connect(self.brushChanged) - self.antialiasingCheckBox.toggled.connect(self.renderArea.setAntialiased) - self.transformationsCheckBox.toggled.connect(self.renderArea.setTransformed) - - mainLayout = QGridLayout() - mainLayout.setColumnStretch(0, 1) - mainLayout.setColumnStretch(3, 1) - mainLayout.addWidget(self.renderArea, 0, 0, 1, 4) - mainLayout.setRowMinimumHeight(1, 6) - mainLayout.addWidget(shapeLabel, 2, 1, Qt.AlignRight) - mainLayout.addWidget(self.shapeComboBox, 2, 2) - mainLayout.addWidget(penWidthLabel, 3, 1, Qt.AlignRight) - mainLayout.addWidget(self.penWidthSpinBox, 3, 2) - mainLayout.addWidget(penStyleLabel, 4, 1, Qt.AlignRight) - mainLayout.addWidget(self.penStyleComboBox, 4, 2) - mainLayout.addWidget(penCapLabel, 5, 1, Qt.AlignRight) - mainLayout.addWidget(self.penCapComboBox, 5, 2) - mainLayout.addWidget(penJoinLabel, 6, 1, Qt.AlignRight) - mainLayout.addWidget(self.penJoinComboBox, 6, 2) - mainLayout.addWidget(brushStyleLabel, 7, 1, Qt.AlignRight) - mainLayout.addWidget(self.brushStyleComboBox, 7, 2) - mainLayout.setRowMinimumHeight(8, 6) - mainLayout.addWidget(otherOptionsLabel, 9, 1, Qt.AlignRight) - mainLayout.addWidget(self.antialiasingCheckBox, 9, 2) - mainLayout.addWidget(self.transformationsCheckBox, 10, 2) - self.setLayout(mainLayout) - - self.shapeChanged() - self.penChanged() - self.brushChanged() - self.antialiasingCheckBox.setChecked(True) + super().__init__() + + self._render_area = RenderArea() + + self._shape_combo_box = QComboBox() + self._shape_combo_box.addItem("Polygon", RenderArea.Polygon) + self._shape_combo_box.addItem("Rectangle", RenderArea.Rect) + self._shape_combo_box.addItem("Rounded Rectangle", RenderArea.RoundedRect) + self._shape_combo_box.addItem("Ellipse", RenderArea.Ellipse) + self._shape_combo_box.addItem("Pie", RenderArea.Pie) + self._shape_combo_box.addItem("Chord", RenderArea.Chord) + self._shape_combo_box.addItem("Path", RenderArea.Path) + self._shape_combo_box.addItem("Line", RenderArea.Line) + self._shape_combo_box.addItem("Polyline", RenderArea.Polyline) + self._shape_combo_box.addItem("Arc", RenderArea.Arc) + self._shape_combo_box.addItem("Points", RenderArea.Points) + self._shape_combo_box.addItem("Text", RenderArea.Text) + self._shape_combo_box.addItem("Pixmap", RenderArea.Pixmap) + + shape_label = QLabel("&Shape:") + shape_label.setBuddy(self._shape_combo_box) + + self._pen_width_spin_box = QSpinBox() + self._pen_width_spin_box.setRange(0, 20) + self._pen_width_spin_box.setSpecialValueText("0 (cosmetic pen)") + + pen_width_label = QLabel("Pen &Width:") + pen_width_label.setBuddy(self._pen_width_spin_box) + + self._pen_style_combo_box = QComboBox() + self._pen_style_combo_box.addItem("Solid", Qt.SolidLine) + self._pen_style_combo_box.addItem("Dash", Qt.DashLine) + self._pen_style_combo_box.addItem("Dot", Qt.DotLine) + self._pen_style_combo_box.addItem("Dash Dot", Qt.DashDotLine) + self._pen_style_combo_box.addItem("Dash Dot Dot", Qt.DashDotDotLine) + self._pen_style_combo_box.addItem("None", Qt.NoPen) + + pen_style_label = QLabel("&Pen Style:") + pen_style_label.setBuddy(self._pen_style_combo_box) + + self._pen_cap_combo_box = QComboBox() + self._pen_cap_combo_box.addItem("Flat", Qt.FlatCap) + self._pen_cap_combo_box.addItem("Square", Qt.SquareCap) + self._pen_cap_combo_box.addItem("Round", Qt.RoundCap) + + pen_cap_label = QLabel("Pen &Cap:") + pen_cap_label.setBuddy(self._pen_cap_combo_box) + + self._pen_join_combo_box = QComboBox() + self._pen_join_combo_box.addItem("Miter", Qt.MiterJoin) + self._pen_join_combo_box.addItem("Bevel", Qt.BevelJoin) + self._pen_join_combo_box.addItem("Round", Qt.RoundJoin) + + pen_join_label = QLabel("Pen &Join:") + pen_join_label.setBuddy(self._pen_join_combo_box) + + self._brush_style_combo_box = QComboBox() + self._brush_style_combo_box.addItem("Linear Gradient", Qt.LinearGradientPattern) + self._brush_style_combo_box.addItem("Radial Gradient", Qt.RadialGradientPattern) + self._brush_style_combo_box.addItem("Conical Gradient", Qt.ConicalGradientPattern) + self._brush_style_combo_box.addItem("Texture", Qt.TexturePattern) + self._brush_style_combo_box.addItem("Solid", Qt.SolidPattern) + self._brush_style_combo_box.addItem("Horizontal", Qt.HorPattern) + self._brush_style_combo_box.addItem("Vertical", Qt.VerPattern) + self._brush_style_combo_box.addItem("Cross", Qt.CrossPattern) + self._brush_style_combo_box.addItem("Backward Diagonal", Qt.BDiagPattern) + self._brush_style_combo_box.addItem("Forward Diagonal", Qt.FDiagPattern) + self._brush_style_combo_box.addItem("Diagonal Cross", Qt.DiagCrossPattern) + self._brush_style_combo_box.addItem("Dense 1", Qt.Dense1Pattern) + self._brush_style_combo_box.addItem("Dense 2", Qt.Dense2Pattern) + self._brush_style_combo_box.addItem("Dense 3", Qt.Dense3Pattern) + self._brush_style_combo_box.addItem("Dense 4", Qt.Dense4Pattern) + self._brush_style_combo_box.addItem("Dense 5", Qt.Dense5Pattern) + self._brush_style_combo_box.addItem("Dense 6", Qt.Dense6Pattern) + self._brush_style_combo_box.addItem("Dense 7", Qt.Dense7Pattern) + self._brush_style_combo_box.addItem("None", Qt.NoBrush) + + brush_style_label = QLabel("&Brush Style:") + brush_style_label.setBuddy(self._brush_style_combo_box) + + other_options_label = QLabel("Other Options:") + self._antialiasing_check_box = QCheckBox("&Antialiasing") + self._transformations_check_box = QCheckBox("&Transformations") + + self._shape_combo_box.activated.connect(self.shape_changed) + self._pen_width_spin_box.valueChanged.connect(self.pen_changed) + self._pen_style_combo_box.activated.connect(self.pen_changed) + self._pen_cap_combo_box.activated.connect(self.pen_changed) + self._pen_join_combo_box.activated.connect(self.pen_changed) + self._brush_style_combo_box.activated.connect(self.brush_changed) + self._antialiasing_check_box.toggled.connect(self._render_area.set_antialiased) + self._transformations_check_box.toggled.connect(self._render_area.set_transformed) + + main_layout = QGridLayout() + main_layout.setColumnStretch(0, 1) + main_layout.setColumnStretch(3, 1) + main_layout.addWidget(self._render_area, 0, 0, 1, 4) + main_layout.setRowMinimumHeight(1, 6) + main_layout.addWidget(shape_label, 2, 1, Qt.AlignRight) + main_layout.addWidget(self._shape_combo_box, 2, 2) + main_layout.addWidget(pen_width_label, 3, 1, Qt.AlignRight) + main_layout.addWidget(self._pen_width_spin_box, 3, 2) + main_layout.addWidget(pen_style_label, 4, 1, Qt.AlignRight) + main_layout.addWidget(self._pen_style_combo_box, 4, 2) + main_layout.addWidget(pen_cap_label, 5, 1, Qt.AlignRight) + main_layout.addWidget(self._pen_cap_combo_box, 5, 2) + main_layout.addWidget(pen_join_label, 6, 1, Qt.AlignRight) + main_layout.addWidget(self._pen_join_combo_box, 6, 2) + main_layout.addWidget(brush_style_label, 7, 1, Qt.AlignRight) + main_layout.addWidget(self._brush_style_combo_box, 7, 2) + main_layout.setRowMinimumHeight(8, 6) + main_layout.addWidget(other_options_label, 9, 1, Qt.AlignRight) + main_layout.addWidget(self._antialiasing_check_box, 9, 2) + main_layout.addWidget(self._transformations_check_box, 10, 2) + self.setLayout(main_layout) + + self.shape_changed() + self.pen_changed() + self.brush_changed() + self._antialiasing_check_box.setChecked(True) self.setWindowTitle("Basic Drawing") - def shapeChanged(self): - shape = self.shapeComboBox.itemData(self.shapeComboBox.currentIndex(), - IdRole) - self.renderArea.setShape(shape) + def shape_changed(self): + shape = self._shape_combo_box.itemData(self._shape_combo_box.currentIndex(), id_role) + self._render_area.set_shape(shape) - def penChanged(self): - width = self.penWidthSpinBox.value() - style = Qt.PenStyle(self.penStyleComboBox.itemData( - self.penStyleComboBox.currentIndex(), IdRole)) - cap = Qt.PenCapStyle(self.penCapComboBox.itemData( - self.penCapComboBox.currentIndex(), IdRole)) - join = Qt.PenJoinStyle(self.penJoinComboBox.itemData( - self.penJoinComboBox.currentIndex(), IdRole)) + def pen_changed(self): + width = self._pen_width_spin_box.value() + style = Qt.PenStyle(self._pen_style_combo_box.itemData( + self._pen_style_combo_box.currentIndex(), id_role)) + cap = Qt.PenCapStyle(self._pen_cap_combo_box.itemData( + self._pen_cap_combo_box.currentIndex(), id_role)) + join = Qt.PenJoinStyle(self._pen_join_combo_box.itemData( + self._pen_join_combo_box.currentIndex(), id_role)) - self.renderArea.setPen(QPen(Qt.blue, width, style, cap, join)) + self._render_area.set_pen(QPen(Qt.blue, width, style, cap, join)) - def brushChanged(self): - style = Qt.BrushStyle(self.brushStyleComboBox.itemData( - self.brushStyleComboBox.currentIndex(), IdRole)) + def brush_changed(self): + style = Qt.BrushStyle(self._brush_style_combo_box.itemData( + self._brush_style_combo_box.currentIndex(), id_role)) if style == Qt.LinearGradientPattern: - linearGradient = QLinearGradient(0, 0, 100, 100) - linearGradient.setColorAt(0.0, Qt.white) - linearGradient.setColorAt(0.2, Qt.green) - linearGradient.setColorAt(1.0, Qt.black) - self.renderArea.setBrush(QBrush(linearGradient)) + linear_gradient = QLinearGradient(0, 0, 100, 100) + linear_gradient.setColorAt(0.0, Qt.white) + linear_gradient.setColorAt(0.2, Qt.green) + linear_gradient.setColorAt(1.0, Qt.black) + self._render_area.set_brush(QBrush(linear_gradient)) elif style == Qt.RadialGradientPattern: - radialGradient = QRadialGradient(50, 50, 50, 70, 70) - radialGradient.setColorAt(0.0, Qt.white) - radialGradient.setColorAt(0.2, Qt.green) - radialGradient.setColorAt(1.0, Qt.black) - self.renderArea.setBrush(QBrush(radialGradient)) + radial_gradient = QRadialGradient(50, 50, 50, 70, 70) + radial_gradient.setColorAt(0.0, Qt.white) + radial_gradient.setColorAt(0.2, Qt.green) + radial_gradient.setColorAt(1.0, Qt.black) + self._render_area.set_brush(QBrush(radial_gradient)) elif style == Qt.ConicalGradientPattern: - conicalGradient = QConicalGradient(50, 50, 150) - conicalGradient.setColorAt(0.0, Qt.white) - conicalGradient.setColorAt(0.2, Qt.green) - conicalGradient.setColorAt(1.0, Qt.black) - self.renderArea.setBrush(QBrush(conicalGradient)) + conical_gradient = QConicalGradient(50, 50, 150) + conical_gradient.setColorAt(0.0, Qt.white) + conical_gradient.setColorAt(0.2, Qt.green) + conical_gradient.setColorAt(1.0, Qt.black) + self._render_area.set_brush(QBrush(conical_gradient)) elif style == Qt.TexturePattern: - self.renderArea.setBrush(QBrush(QPixmap(':/images/brick.png'))) + self._render_area.set_brush(QBrush(QPixmap(':/images/brick.png'))) else: - self.renderArea.setBrush(QBrush(Qt.green, style)) + self._render_area.set_brush(QBrush(Qt.green, style)) if __name__ == '__main__': @@ -346,4 +307,4 @@ if __name__ == '__main__': app = QApplication(sys.argv) window = Window() window.show() - sys.exit(app.exec_()) + sys.exit(app.exec()) |