diff options
Diffstat (limited to 'tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters')
5 files changed, 154 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/CMakeLists.txt b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/CMakeLists.txt new file mode 100644 index 0000000000..ead67decd5 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/CMakeLists.txt @@ -0,0 +1,26 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +qt_add_plugin(pnp_extrafilters + CLASS_NAME ExtraFiltersPlugin + extrafiltersplugin.cpp extrafiltersplugin.h +) + +set_target_properties(pnp_extrafilters PROPERTIES + LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/app" +) + +target_include_directories(pnp_extrafilters PRIVATE + ../../app +) + +target_link_libraries(pnp_extrafilters PRIVATE + Qt6::Core + Qt6::Gui + Qt6::Widgets +) + +install(TARGETS pnp_extrafilters + BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}/plugins" + LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}/plugins" +) diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json new file mode 100644 index 0000000000..0967ef424b --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json @@ -0,0 +1 @@ +{} diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro new file mode 100644 index 0000000000..e137b04823 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro @@ -0,0 +1,17 @@ +#! [0] +TEMPLATE = lib +CONFIG += plugin +QT += widgets +INCLUDEPATH += ../../app +HEADERS = extrafiltersplugin.h +SOURCES = extrafiltersplugin.cpp +TARGET = $$qtLibraryTarget(pnp_extrafilters) +DESTDIR = ../../plugins + +#! [0] +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tools/plugandpaint/plugins +INSTALLS += target + +CONFIG += install_ok # Do not cargo-cult this! +uikit: CONFIG += debug_and_release diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp new file mode 100644 index 0000000000..5356efc328 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp @@ -0,0 +1,82 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#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; +} diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h new file mode 100644 index 0000000000..0fc50d2fd0 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h @@ -0,0 +1,28 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef EXTRAFILTERSPLUGIN_H +#define EXTRAFILTERSPLUGIN_H + +//! [0] +#include <interfaces.h> + +#include <QObject> +#include <QtPlugin> +#include <QStringList> +#include <QImage> + +class ExtraFiltersPlugin : public QObject, public FilterInterface +{ + Q_OBJECT + Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface" FILE "extrafilters.json") + Q_INTERFACES(FilterInterface) + +public: + QStringList filters() const override; + QImage filterImage(const QString &filter, const QImage &image, + QWidget *parent) override; +}; +//! [0] + +#endif |