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Diffstat (limited to 'examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp')
| -rw-r--r-- | examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp deleted file mode 100644 index 30c616a830..0000000000 --- a/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp +++ /dev/null @@ -1,129 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "extrafiltersplugin.h" - -#include <QInputDialog> - -QStringList ExtraFiltersPlugin::filters() const -{ - return {tr("Flip Horizontally"), tr("Flip Vertically"), - tr("Smudge..."), tr("Threshold...")}; -} - -QImage ExtraFiltersPlugin::filterImage(const QString &filter, - const QImage &image, QWidget *parent) -{ - QImage original = image.convertToFormat(QImage::Format_RGB32); - QImage result = original; - - if (filter == tr("Flip Horizontally")) { - for (int y = 0; y < original.height(); ++y) { - for (int x = 0; x < original.width(); ++x) { - QRgb pixel = original.pixel(original.width() - x - 1, y); - result.setPixel(x, y, pixel); - } - } - } else if (filter == tr("Flip Vertically")) { - for (int y = 0; y < original.height(); ++y) { - for (int x = 0; x < original.width(); ++x) { - QRgb pixel = original.pixel(x, original.height() - y - 1); - result.setPixel(x, y, pixel); - } - } - } else if (filter == tr("Smudge...")) { - bool ok; - int numIters = QInputDialog::getInt(parent, tr("Smudge Filter"), - tr("Enter number of iterations:"), - 5, 1, 20, 1, &ok); - if (ok) { - for (int i = 0; i < numIters; ++i) { - for (int y = 1; y < original.height() - 1; ++y) { - for (int x = 1; x < original.width() - 1; ++x) { - QRgb p1 = original.pixel(x, y); - QRgb p2 = original.pixel(x, y + 1); - QRgb p3 = original.pixel(x, y - 1); - QRgb p4 = original.pixel(x + 1, y); - QRgb p5 = original.pixel(x - 1, y); - - int red = (qRed(p1) + qRed(p2) + qRed(p3) + qRed(p4) - + qRed(p5)) / 5; - int green = (qGreen(p1) + qGreen(p2) + qGreen(p3) - + qGreen(p4) + qGreen(p5)) / 5; - int blue = (qBlue(p1) + qBlue(p2) + qBlue(p3) - + qBlue(p4) + qBlue(p5)) / 5; - int alpha = (qAlpha(p1) + qAlpha(p2) + qAlpha(p3) - + qAlpha(p4) + qAlpha(p5)) / 5; - - result.setPixel(x, y, qRgba(red, green, blue, alpha)); - } - } - } - } - } else if (filter == tr("Threshold...")) { - bool ok; - int threshold = QInputDialog::getInt(parent, tr("Threshold Filter"), - tr("Enter threshold:"), - 10, 1, 256, 1, &ok); - if (ok) { - int factor = 256 / threshold; - for (int y = 0; y < original.height(); ++y) { - for (int x = 0; x < original.width(); ++x) { - QRgb pixel = original.pixel(x, y); - result.setPixel(x, y, qRgba(qRed(pixel) / factor * factor, - qGreen(pixel) / factor * factor, - qBlue(pixel) / factor * factor, - qAlpha(pixel))); - } - } - } - } - return result; -} |