diff options
Diffstat (limited to 'tests/manual/examples/widgets/tools/plugandpaint/plugins')
12 files changed, 401 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/CMakeLists.txt b/tests/manual/examples/widgets/tools/plugandpaint/plugins/CMakeLists.txt new file mode 100644 index 0000000000..c468cdc191 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/CMakeLists.txt @@ -0,0 +1,4 @@ +# Copyright (C) 2024 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +add_subdirectory(basictools) +add_subdirectory(extrafilters) diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/CMakeLists.txt b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/CMakeLists.txt new file mode 100644 index 0000000000..8b6436173b --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/CMakeLists.txt @@ -0,0 +1,18 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +qt_add_plugin(pnp_basictools + STATIC + CLASS_NAME BasicToolsPlugin + basictoolsplugin.cpp basictoolsplugin.h +) + +target_include_directories(pnp_basictools PRIVATE + ../../app +) + +target_link_libraries(pnp_basictools PRIVATE + Qt6::Core + Qt6::Gui + Qt6::Widgets +) diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json new file mode 100644 index 0000000000..0967ef424b --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json @@ -0,0 +1 @@ +{} diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro new file mode 100644 index 0000000000..f5ba95252c --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro @@ -0,0 +1,17 @@ +#! [0] +TEMPLATE = lib +CONFIG += plugin static +QT += widgets +INCLUDEPATH += ../../app +HEADERS = basictoolsplugin.h +SOURCES = basictoolsplugin.cpp +TARGET = $$qtLibraryTarget(pnp_basictools) +DESTDIR = ../../plugins +#! [0] + +# install +target.path = $$[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/basictools/basictoolsplugin.cpp b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp new file mode 100644 index 0000000000..6a350f38a4 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp @@ -0,0 +1,150 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "basictoolsplugin.h" + +#include <QInputDialog> +#include <QPainter> +#include <QRandomGenerator> +#include <QtMath> + +//! [0] +QStringList BasicToolsPlugin::brushes() const +{ + return {tr("Pencil"), tr("Air Brush"), tr("Random Letters")}; +} +//! [0] + +//! [1] +QRect BasicToolsPlugin::mousePress(const QString &brush, QPainter &painter, + const QPoint &pos) +{ + return mouseMove(brush, painter, pos, pos); +} +//! [1] + +//! [2] +QRect BasicToolsPlugin::mouseMove(const QString &brush, QPainter &painter, + const QPoint &oldPos, const QPoint &newPos) +{ + painter.save(); + + int rad = painter.pen().width() / 2; + QRect boundingRect = QRect(oldPos, newPos).normalized() + .adjusted(-rad, -rad, +rad, +rad); + QColor color = painter.pen().color(); + int thickness = painter.pen().width(); + QColor transparentColor(color.red(), color.green(), color.blue(), 0); +//! [2] //! [3] + + if (brush == tr("Pencil")) { + painter.drawLine(oldPos, newPos); + } else if (brush == tr("Air Brush")) { + int numSteps = 2 + (newPos - oldPos).manhattanLength() / 2; + + painter.setBrush(QBrush(color, Qt::Dense6Pattern)); + painter.setPen(Qt::NoPen); + + for (int i = 0; i < numSteps; ++i) { + int x = oldPos.x() + i * (newPos.x() - oldPos.x()) / (numSteps - 1); + int y = oldPos.y() + i * (newPos.y() - oldPos.y()) / (numSteps - 1); + + painter.drawEllipse(x - (thickness / 2), y - (thickness / 2), + thickness, thickness); + } + } else if (brush == tr("Random Letters")) { + QChar ch(QRandomGenerator::global()->bounded('A', 'Z' + 1)); + + QFont biggerFont = painter.font(); + biggerFont.setBold(true); + biggerFont.setPointSize(biggerFont.pointSize() + thickness); + painter.setFont(biggerFont); + + painter.drawText(newPos, QString(ch)); + + QFontMetrics metrics(painter.font()); + boundingRect = metrics.boundingRect(ch); + boundingRect.translate(newPos); + boundingRect.adjust(-10, -10, +10, +10); + } + painter.restore(); + return boundingRect; +} +//! [3] + +//! [4] +QRect BasicToolsPlugin::mouseRelease(const QString & /* brush */, + QPainter & /* painter */, + const QPoint & /* pos */) +{ + return QRect(0, 0, 0, 0); +} +//! [4] + +//! [5] +QStringList BasicToolsPlugin::shapes() const +{ + return {tr("Circle"), tr("Star"), tr("Text...")}; +} +//! [5] + +//! [6] +QPainterPath BasicToolsPlugin::generateShape(const QString &shape, + QWidget *parent) +{ + QPainterPath path; + + if (shape == tr("Circle")) { + path.addEllipse(0, 0, 50, 50); + } else if (shape == tr("Star")) { + path.moveTo(90, 50); + for (int i = 1; i < 5; ++i) { + path.lineTo(50 + 40 * std::cos(0.8 * i * M_PI), + 50 + 40 * std::sin(0.8 * i * M_PI)); + } + path.closeSubpath(); + } else if (shape == tr("Text...")) { + QString text = QInputDialog::getText(parent, tr("Text Shape"), + tr("Enter text:"), + QLineEdit::Normal, tr("Qt")); + if (!text.isEmpty()) { + QFont timesFont("Times", 50); + timesFont.setStyleStrategy(QFont::ForceOutline); + path.addText(0, 0, timesFont, text); + } + } + + return path; +} +//! [6] + +//! [7] +QStringList BasicToolsPlugin::filters() const +{ + return {tr("Invert Pixels"), tr("Swap RGB"), tr("Grayscale")}; +} +//! [7] + +//! [8] +QImage BasicToolsPlugin::filterImage(const QString &filter, const QImage &image, + QWidget * /* parent */) +{ + QImage result = image.convertToFormat(QImage::Format_RGB32); + + if (filter == tr("Invert Pixels")) { + result.invertPixels(); + } else if (filter == tr("Swap RGB")) { + result = result.rgbSwapped(); + } else if (filter == tr("Grayscale")) { + for (int y = 0; y < result.height(); ++y) { + for (int x = 0; x < result.width(); ++x) { + QRgb pixel = result.pixel(x, y); + int gray = qGray(pixel); + int alpha = qAlpha(pixel); + result.setPixel(x, y, qRgba(gray, gray, gray, alpha)); + } + } + } + return result; +} +//! [8] diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h new file mode 100644 index 0000000000..9fb3295bf5 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h @@ -0,0 +1,54 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef BASICTOOLSPLUGIN_H +#define BASICTOOLSPLUGIN_H + +//! [0] +#include <interfaces.h> + +#include <QImage> +#include <QObject> +#include <QPainterPath> +#include <QRect> +#include <QStringList> +#include <QtPlugin> + +//! [1] +class BasicToolsPlugin : public QObject, + public BrushInterface, + public ShapeInterface, + public FilterInterface +{ + Q_OBJECT +//! [4] + Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface" FILE "basictools.json") +//! [4] + Q_INTERFACES(BrushInterface ShapeInterface FilterInterface) +//! [0] + +//! [2] +public: +//! [1] + // BrushInterface + QStringList brushes() const override; + QRect mousePress(const QString &brush, QPainter &painter, + const QPoint &pos) override; + QRect mouseMove(const QString &brush, QPainter &painter, + const QPoint &oldPos, const QPoint &newPos) override; + QRect mouseRelease(const QString &brush, QPainter &painter, + const QPoint &pos) override; + + // ShapeInterface + QStringList shapes() const override; + QPainterPath generateShape(const QString &shape, QWidget *parent) override; + + // FilterInterface + QStringList filters() const override; + QImage filterImage(const QString &filter, const QImage &image, + QWidget *parent) override; +//! [3] +}; +//! [2] //! [3] + +#endif 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 diff --git a/tests/manual/examples/widgets/tools/plugandpaint/plugins/plugins.pro b/tests/manual/examples/widgets/tools/plugandpaint/plugins/plugins.pro new file mode 100644 index 0000000000..e15220c621 --- /dev/null +++ b/tests/manual/examples/widgets/tools/plugandpaint/plugins/plugins.pro @@ -0,0 +1,3 @@ +TEMPLATE = subdirs +SUBDIRS = basictools \ + extrafilters |