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Diffstat (limited to 'sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp b/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp new file mode 100644 index 000000000..4d1aeb74f --- /dev/null +++ b/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of PySide2. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//![0] +class ColorImageProvider (QQuickImageProvider): + def __init__(self): + QQuickImageProvider.__init__(self, QDeclarativeImageProvider.Pixmap) + + def requestPixmap(id, size, requestedSize): + width = 100 + height = 50 + + if size: + size.setWidth(width) + size.setHeight(height) + + if requestedSize.width() > 0: + width = requestedSize.width() + if requestedSize.height() > 0: + height = requestedSize.height() + + pixmap = QPixmap(width, height) + pixmap.fill(QColor(id).rgba()) +//![0] + # write the color name + painter = QPainter(pixmap) + f = painter.font() + f.setPixelSize(20) + painter.setFont(f) + painter.setPen(Qt.black) + if requestedSize.isValid(): + painter.scale(requestedSize.width() / width, requestedSize.height() / height) + painter.drawText(QRectF(0, 0, width, height), Qt.AlignCenter, id) +//![1] + return pixmap +//![1] |