1#############################################################################
2##
3## Copyright (C) 2013 Riverbank Computing Limited.
4## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
5## All rights reserved.
6##
7## This file is part of the examples of PyQt.
8##
9## $QT_BEGIN_LICENSE:LGPL$
10## Commercial Usage
11## Licensees holding valid Qt Commercial licenses may use this file in
12## accordance with the Qt Commercial License Agreement provided with the
13## Software or, alternatively, in accordance with the terms contained in
14## a written agreement between you and Nokia.
15##
16## GNU Lesser General Public License Usage
17## Alternatively, this file may be used under the terms of the GNU Lesser
18## General Public License version 2.1 as published by the Free Software
19## Foundation and appearing in the file LICENSE.LGPL included in the
20## packaging of this file.  Please review the following information to
21## ensure the GNU Lesser General Public License version 2.1 requirements
22## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23##
24## In addition, as a special exception, Nokia gives you certain additional
25## rights.  These rights are described in the Nokia Qt LGPL Exception
26## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27##
28## GNU General Public License Usage
29## Alternatively, this file may be used under the terms of the GNU
30## General Public License version 3.0 as published by the Free Software
31## Foundation and appearing in the file LICENSE.GPL included in the
32## packaging of this file.  Please review the following information to
33## ensure the GNU General Public License version 3.0 requirements will be
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39##
40#############################################################################
41
42
43from PyQt5.QtCore import QRect, Qt
44from PyQt5.QtGui import QColor, QImage, QLinearGradient, QPainter
45
46from colors import Colors
47from demoitem import DemoItem
48
49
50class LetterItem(DemoItem):
51    def __init__(self, letter, parent=None):
52        super(LetterItem, self).__init__(parent)
53
54        self.letter = letter
55
56        self.useSharedImage(__file__ + letter)
57
58    def createImage(self, transform):
59        scaledRect = transform.mapRect(QRect(0, 0, 25, 25))
60        image = QImage(scaledRect.width(), scaledRect.height(),
61                QImage.Format_ARGB32_Premultiplied)
62        image.fill(0)
63        painter = QPainter(image)
64        painter.scale(transform.m11(), transform.m22())
65        painter.setRenderHints(QPainter.TextAntialiasing | QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
66        painter.setPen(Qt.NoPen)
67
68        if Colors.useEightBitPalette:
69            painter.setBrush(QColor(102, 175, 54))
70            painter.drawEllipse(0, 0, 25, 25)
71            painter.setFont(Colors.tickerFont())
72            painter.setPen(QColor(255, 255, 255))
73            painter.drawText(10, 15, self.letter)
74        else:
75            brush = QLinearGradient(0, 0, 0, 25)
76            brush.setSpread(QLinearGradient.PadSpread)
77            brush.setColorAt(0.0, QColor(102, 175, 54, 200))
78            brush.setColorAt(1.0, QColor(102, 175, 54, 60))
79            painter.setBrush(brush)
80            painter.drawEllipse(0, 0, 25, 25)
81            painter.setFont(Colors.tickerFont())
82            painter.setPen(QColor(255, 255, 255, 255))
83            painter.drawText(10, 15, self.letter)
84
85        return image
86