New Areachart example

Areachart example translation from C++ to Python

Pick-to: 6.2
Task-number: PYSIDE-841
Change-Id: I84af72428279efd6544667d40dc5908e0a1a463f
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

4 files changed, 115 insertions, 0 deletions

diff --git a/examples/charts/areachart/areachart.py b/examples/charts/areachart/areachart.py
new file mode 100644
index 000000000..a65cf2c86
--- /dev/null
+++ b/examples/charts/areachart/areachart.py
@@ -0,0 +1,104 @@
+#############################################################################
+##
+## Copyright (C) 2021 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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide6 port of the areachart example from Qt v6.x"""
+
+import sys
+from PySide6.QtCore import QPointF, Qt
+from PySide6.QtWidgets import QMainWindow, QApplication
+from PySide6.QtCharts import QChart, QChartView, QLineSeries, QAreaSeries
+from PySide6.QtGui import QGradient, QPen, QLinearGradient, QPainter
+
+
+class TestChart(QMainWindow):
+    def __init__(self):
+        super().__init__()
+
+        self.series_0 = QLineSeries()
+        self.series_1 = QLineSeries()
+
+        self.series_0.append(QPointF(1, 5))
+        self.series_0.append(QPointF(3, 7))
+        self.series_0.append(QPointF(7, 6))
+        self.series_0.append(QPointF(9, 7))
+        self.series_0.append(QPointF(12, 6))
+        self.series_0.append(QPointF(16, 7))
+        self.series_0.append(QPointF(18, 5))
+
+        self.series_1.append(QPointF(1, 3))
+        self.series_1.append(QPointF(3, 4))
+        self.series_1.append(QPointF(7, 3))
+        self.series_1.append(QPointF(8, 2))
+        self.series_1.append(QPointF(12, 3))
+        self.series_1.append(QPointF(16, 4))
+        self.series_1.append(QPointF(18, 3))
+
+        self.series = QAreaSeries(self.series_0, self.series_1)
+        self.series.setName("Batman")
+        self.pen = QPen(0x059605)
+        self.pen.setWidth(3)
+        self.series.setPen(self.pen)
+
+        self.gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 1))
+        self.gradient.setColorAt(0.0, 0x3cc63c)
+        self.gradient.setColorAt(1.0, 0x26f626)
+        self.gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
+        self.series.setBrush(self.gradient)
+
+        self.chart = QChart()
+        self.chart.addSeries(self.series)
+        self.chart.setTitle("Simple areachart example")
+        self.chart.createDefaultAxes()
+        self.chart.axes(Qt.Horizontal)[0].setRange(0, 20)
+        self.chart.axes(Qt.Vertical)[0].setRange(0, 10)
+
+        self._chart_view = QChartView(self.chart)
+        self._chart_view.setRenderHint(QPainter.Antialiasing)
+
+        self.setCentralWidget(self._chart_view)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    window = TestChart()
+    window.show()
+    window.resize(400, 300)
+    sys.exit(app.exec())
diff --git a/examples/charts/areachart/areachart.pyproject b/examples/charts/areachart/areachart.pyproject
new file mode 100644
index 000000000..b4a6f9d65
--- /dev/null
+++ b/examples/charts/areachart/areachart.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["areachart.py"]
+}
diff --git a/examples/charts/areachart/doc/areachart.png b/examples/charts/areachart/doc/areachart.png
new file mode 100644
index 000000000..d03838443
--- /dev/null
+++ b/examples/charts/areachart/doc/areachart.png
diff --git a/examples/charts/areachart/doc/areachart.rst b/examples/charts/areachart/doc/areachart.rst
new file mode 100644
index 000000000..c6cd718d7
--- /dev/null
+++ b/examples/charts/areachart/doc/areachart.rst
@@ -0,0 +1,8 @@
+Area Chart Example
+==================
+
+The example shows how to create an area Chart
+
+.. image:: areachart.png
+   :width: 400
+   :alt: Area Chart Screenshot