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-rw-r--r--examples/widgets/tools/plugandpaint/app/app.pro26
-rw-r--r--examples/widgets/tools/plugandpaint/app/interfaces.h (renamed from examples/widgets/tools/plugandpaint/interfaces.h)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/main.cpp (renamed from examples/widgets/tools/plugandpaint/main.cpp)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/mainwindow.cpp (renamed from examples/widgets/tools/plugandpaint/mainwindow.cpp)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/mainwindow.h (renamed from examples/widgets/tools/plugandpaint/mainwindow.h)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/paintarea.cpp (renamed from examples/widgets/tools/plugandpaint/paintarea.cpp)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/paintarea.h (renamed from examples/widgets/tools/plugandpaint/paintarea.h)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/plugindialog.cpp (renamed from examples/widgets/tools/plugandpaint/plugindialog.cpp)0
-rw-r--r--examples/widgets/tools/plugandpaint/app/plugindialog.h (renamed from examples/widgets/tools/plugandpaint/plugindialog.h)0
-rw-r--r--examples/widgets/tools/plugandpaint/plugandpaint.pro25
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json1
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro14
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp191
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h91
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json1
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro14
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp122
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h65
-rw-r--r--examples/widgets/tools/plugandpaint/plugins/plugins.pro3
19 files changed, 531 insertions, 22 deletions
diff --git a/examples/widgets/tools/plugandpaint/app/app.pro b/examples/widgets/tools/plugandpaint/app/app.pro
new file mode 100644
index 0000000000..45fb7224e0
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/app/app.pro
@@ -0,0 +1,26 @@
+#! [0]
+TARGET = plugandpaint
+DESTDIR = ..
+
+QT += widgets
+
+HEADERS = interfaces.h \
+ mainwindow.h \
+ paintarea.h \
+ plugindialog.h
+SOURCES = main.cpp \
+ mainwindow.cpp \
+ paintarea.cpp \
+ plugindialog.cpp
+
+LIBS = -L../plugins -lpnp_basictools
+
+if(!debug_and_release|build_pass):CONFIG(debug, debug|release) {
+ mac:LIBS = $$member(LIBS, 0) $$member(LIBS, 1)_debug
+ win32:LIBS = $$member(LIBS, 0) $$member(LIBS, 1)d
+}
+#! [0]
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tools/plugandpaint
+INSTALLS += target
diff --git a/examples/widgets/tools/plugandpaint/interfaces.h b/examples/widgets/tools/plugandpaint/app/interfaces.h
index bf3e2cad02..bf3e2cad02 100644
--- a/examples/widgets/tools/plugandpaint/interfaces.h
+++ b/examples/widgets/tools/plugandpaint/app/interfaces.h
diff --git a/examples/widgets/tools/plugandpaint/main.cpp b/examples/widgets/tools/plugandpaint/app/main.cpp
index d4b7d72927..d4b7d72927 100644
--- a/examples/widgets/tools/plugandpaint/main.cpp
+++ b/examples/widgets/tools/plugandpaint/app/main.cpp
diff --git a/examples/widgets/tools/plugandpaint/mainwindow.cpp b/examples/widgets/tools/plugandpaint/app/mainwindow.cpp
index 4cb9ac8e4d..4cb9ac8e4d 100644
--- a/examples/widgets/tools/plugandpaint/mainwindow.cpp
+++ b/examples/widgets/tools/plugandpaint/app/mainwindow.cpp
diff --git a/examples/widgets/tools/plugandpaint/mainwindow.h b/examples/widgets/tools/plugandpaint/app/mainwindow.h
index 06f7157d80..06f7157d80 100644
--- a/examples/widgets/tools/plugandpaint/mainwindow.h
+++ b/examples/widgets/tools/plugandpaint/app/mainwindow.h
diff --git a/examples/widgets/tools/plugandpaint/paintarea.cpp b/examples/widgets/tools/plugandpaint/app/paintarea.cpp
index f5816c6d8e..f5816c6d8e 100644
--- a/examples/widgets/tools/plugandpaint/paintarea.cpp
+++ b/examples/widgets/tools/plugandpaint/app/paintarea.cpp
diff --git a/examples/widgets/tools/plugandpaint/paintarea.h b/examples/widgets/tools/plugandpaint/app/paintarea.h
index eb953ff5c2..eb953ff5c2 100644
--- a/examples/widgets/tools/plugandpaint/paintarea.h
+++ b/examples/widgets/tools/plugandpaint/app/paintarea.h
diff --git a/examples/widgets/tools/plugandpaint/plugindialog.cpp b/examples/widgets/tools/plugandpaint/app/plugindialog.cpp
index e6ac586c6d..e6ac586c6d 100644
--- a/examples/widgets/tools/plugandpaint/plugindialog.cpp
+++ b/examples/widgets/tools/plugandpaint/app/plugindialog.cpp
diff --git a/examples/widgets/tools/plugandpaint/plugindialog.h b/examples/widgets/tools/plugandpaint/app/plugindialog.h
index f235d09c31..f235d09c31 100644
--- a/examples/widgets/tools/plugandpaint/plugindialog.h
+++ b/examples/widgets/tools/plugandpaint/app/plugindialog.h
diff --git a/examples/widgets/tools/plugandpaint/plugandpaint.pro b/examples/widgets/tools/plugandpaint/plugandpaint.pro
index 965eacf388..f7da8a52bd 100644
--- a/examples/widgets/tools/plugandpaint/plugandpaint.pro
+++ b/examples/widgets/tools/plugandpaint/plugandpaint.pro
@@ -1,23 +1,4 @@
-#! [0]
-QT += widgets
+TEMPLATE = subdirs
+SUBDIRS = plugins app
-HEADERS = interfaces.h \
- mainwindow.h \
- paintarea.h \
- plugindialog.h
-SOURCES = main.cpp \
- mainwindow.cpp \
- paintarea.cpp \
- plugindialog.cpp
-
-LIBS = -Lplugins -lpnp_basictools
-
-if(!debug_and_release|build_pass):CONFIG(debug, debug|release) {
- mac:LIBS = $$member(LIBS, 0) $$member(LIBS, 1)_debug
- win32:LIBS = $$member(LIBS, 0) $$member(LIBS, 1)d
-}
-#! [0]
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tools/plugandpaint
-INSTALLS += target
+app.depends = plugins
diff --git a/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json b/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json
new file mode 100644
index 0000000000..0967ef424b
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.json
@@ -0,0 +1 @@
+{}
diff --git a/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro b/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro
new file mode 100644
index 0000000000..0c0a262339
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/basictools/basictools.pro
@@ -0,0 +1,14 @@
+#! [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
diff --git a/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp b/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp
new file mode 100644
index 0000000000..a5ca14a39c
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.cpp
@@ -0,0 +1,191 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 <QtWidgets>
+
+#include <cmath>
+#include <stdlib.h>
+
+#include "basictoolsplugin.h"
+
+const float Pi = 3.14159f;
+
+//! [0]
+QStringList BasicToolsPlugin::brushes() const
+{
+ return QStringList() << 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('A' + (qrand() % 26));
+
+ 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 QStringList() << 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 * Pi),
+ 50 + 40 * std::sin(0.8 * i * 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 QStringList() << 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) {
+ int 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/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h b/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h
new file mode 100644
index 0000000000..d701c8357e
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef BASICTOOLSPLUGIN_H
+#define BASICTOOLSPLUGIN_H
+
+//! [0]
+#include <interfaces.h>
+
+#include <QRect>
+#include <QObject>
+#include <QtPlugin>
+#include <QStringList>
+#include <QPainterPath>
+#include <QImage>
+
+//! [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 Q_DECL_OVERRIDE;
+ QRect mousePress(const QString &brush, QPainter &painter,
+ const QPoint &pos) Q_DECL_OVERRIDE;
+ QRect mouseMove(const QString &brush, QPainter &painter,
+ const QPoint &oldPos, const QPoint &newPos) Q_DECL_OVERRIDE;
+ QRect mouseRelease(const QString &brush, QPainter &painter,
+ const QPoint &pos) Q_DECL_OVERRIDE;
+
+ // ShapeInterface
+ QStringList shapes() const Q_DECL_OVERRIDE;
+ QPainterPath generateShape(const QString &shape, QWidget *parent) Q_DECL_OVERRIDE;
+
+ // FilterInterface
+ QStringList filters() const Q_DECL_OVERRIDE;
+ QImage filterImage(const QString &filter, const QImage &image,
+ QWidget *parent) Q_DECL_OVERRIDE;
+//! [3]
+};
+//! [2] //! [3]
+
+#endif
diff --git a/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json
new file mode 100644
index 0000000000..0967ef424b
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.json
@@ -0,0 +1 @@
+{}
diff --git a/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro
new file mode 100644
index 0000000000..0c86a575f3
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafilters.pro
@@ -0,0 +1,14 @@
+#! [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
diff --git a/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp
new file mode 100644
index 0000000000..bce8291a60
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.cpp
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 <QtWidgets>
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "extrafiltersplugin.h"
+
+QStringList ExtraFiltersPlugin::filters() const
+{
+ return QStringList() << 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) {
+ int 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) {
+ int 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) {
+ int p1 = original.pixel(x, y);
+ int p2 = original.pixel(x, y + 1);
+ int p3 = original.pixel(x, y - 1);
+ int p4 = original.pixel(x + 1, y);
+ int 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) {
+ int 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/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h
new file mode 100644
index 0000000000..837f1a9c7f
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/extrafilters/extrafiltersplugin.h
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 Q_DECL_OVERRIDE;
+ QImage filterImage(const QString &filter, const QImage &image,
+ QWidget *parent) Q_DECL_OVERRIDE;
+};
+//! [0]
+
+#endif
diff --git a/examples/widgets/tools/plugandpaint/plugins/plugins.pro b/examples/widgets/tools/plugandpaint/plugins/plugins.pro
new file mode 100644
index 0000000000..e15220c621
--- /dev/null
+++ b/examples/widgets/tools/plugandpaint/plugins/plugins.pro
@@ -0,0 +1,3 @@
+TEMPLATE = subdirs
+SUBDIRS = basictools \
+ extrafilters