--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/painting/basicdrawing/window.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,262 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "renderarea.h"
+#include "window.h"
+
+//! [0]
+const int IdRole = Qt::UserRole;
+//! [0]
+
+//! [1]
+Window::Window()
+{
+ renderArea = new RenderArea;
+
+ shapeComboBox = new QComboBox;
+ shapeComboBox->addItem(tr("Polygon"), RenderArea::Polygon);
+ shapeComboBox->addItem(tr("Rectangle"), RenderArea::Rect);
+ shapeComboBox->addItem(tr("Rounded Rectangle"), RenderArea::RoundedRect);
+ shapeComboBox->addItem(tr("Ellipse"), RenderArea::Ellipse);
+ shapeComboBox->addItem(tr("Pie"), RenderArea::Pie);
+ shapeComboBox->addItem(tr("Chord"), RenderArea::Chord);
+ shapeComboBox->addItem(tr("Path"), RenderArea::Path);
+ shapeComboBox->addItem(tr("Line"), RenderArea::Line);
+ shapeComboBox->addItem(tr("Polyline"), RenderArea::Polyline);
+ shapeComboBox->addItem(tr("Arc"), RenderArea::Arc);
+ shapeComboBox->addItem(tr("Points"), RenderArea::Points);
+ shapeComboBox->addItem(tr("Text"), RenderArea::Text);
+ shapeComboBox->addItem(tr("Pixmap"), RenderArea::Pixmap);
+
+ shapeLabel = new QLabel(tr("&Shape:"));
+ shapeLabel->setBuddy(shapeComboBox);
+//! [1]
+
+//! [2]
+ penWidthSpinBox = new QSpinBox;
+ penWidthSpinBox->setRange(0, 20);
+ penWidthSpinBox->setSpecialValueText(tr("0 (cosmetic pen)"));
+
+ penWidthLabel = new QLabel(tr("Pen &Width:"));
+ penWidthLabel->setBuddy(penWidthSpinBox);
+//! [2]
+
+//! [3]
+ penStyleComboBox = new QComboBox;
+ penStyleComboBox->addItem(tr("Solid"), Qt::SolidLine);
+ penStyleComboBox->addItem(tr("Dash"), Qt::DashLine);
+ penStyleComboBox->addItem(tr("Dot"), Qt::DotLine);
+ penStyleComboBox->addItem(tr("Dash Dot"), Qt::DashDotLine);
+ penStyleComboBox->addItem(tr("Dash Dot Dot"), Qt::DashDotDotLine);
+ penStyleComboBox->addItem(tr("None"), Qt::NoPen);
+
+ penStyleLabel = new QLabel(tr("&Pen Style:"));
+ penStyleLabel->setBuddy(penStyleComboBox);
+
+ penCapComboBox = new QComboBox;
+ penCapComboBox->addItem(tr("Flat"), Qt::FlatCap);
+ penCapComboBox->addItem(tr("Square"), Qt::SquareCap);
+ penCapComboBox->addItem(tr("Round"), Qt::RoundCap);
+
+ penCapLabel = new QLabel(tr("Pen &Cap:"));
+ penCapLabel->setBuddy(penCapComboBox);
+
+ penJoinComboBox = new QComboBox;
+ penJoinComboBox->addItem(tr("Miter"), Qt::MiterJoin);
+ penJoinComboBox->addItem(tr("Bevel"), Qt::BevelJoin);
+ penJoinComboBox->addItem(tr("Round"), Qt::RoundJoin);
+
+ penJoinLabel = new QLabel(tr("Pen &Join:"));
+ penJoinLabel->setBuddy(penJoinComboBox);
+//! [3]
+
+//! [4]
+ brushStyleComboBox = new QComboBox;
+ brushStyleComboBox->addItem(tr("Linear Gradient"),
+ Qt::LinearGradientPattern);
+ brushStyleComboBox->addItem(tr("Radial Gradient"),
+ Qt::RadialGradientPattern);
+ brushStyleComboBox->addItem(tr("Conical Gradient"),
+ Qt::ConicalGradientPattern);
+ brushStyleComboBox->addItem(tr("Texture"), Qt::TexturePattern);
+ brushStyleComboBox->addItem(tr("Solid"), Qt::SolidPattern);
+ brushStyleComboBox->addItem(tr("Horizontal"), Qt::HorPattern);
+ brushStyleComboBox->addItem(tr("Vertical"), Qt::VerPattern);
+ brushStyleComboBox->addItem(tr("Cross"), Qt::CrossPattern);
+ brushStyleComboBox->addItem(tr("Backward Diagonal"), Qt::BDiagPattern);
+ brushStyleComboBox->addItem(tr("Forward Diagonal"), Qt::FDiagPattern);
+ brushStyleComboBox->addItem(tr("Diagonal Cross"), Qt::DiagCrossPattern);
+ brushStyleComboBox->addItem(tr("Dense 1"), Qt::Dense1Pattern);
+ brushStyleComboBox->addItem(tr("Dense 2"), Qt::Dense2Pattern);
+ brushStyleComboBox->addItem(tr("Dense 3"), Qt::Dense3Pattern);
+ brushStyleComboBox->addItem(tr("Dense 4"), Qt::Dense4Pattern);
+ brushStyleComboBox->addItem(tr("Dense 5"), Qt::Dense5Pattern);
+ brushStyleComboBox->addItem(tr("Dense 6"), Qt::Dense6Pattern);
+ brushStyleComboBox->addItem(tr("Dense 7"), Qt::Dense7Pattern);
+ brushStyleComboBox->addItem(tr("None"), Qt::NoBrush);
+
+ brushStyleLabel = new QLabel(tr("&Brush Style:"));
+ brushStyleLabel->setBuddy(brushStyleComboBox);
+//! [4]
+
+//! [5]
+ otherOptionsLabel = new QLabel(tr("Other Options:"));
+//! [5] //! [6]
+ antialiasingCheckBox = new QCheckBox(tr("&Antialiasing"));
+//! [6] //! [7]
+ transformationsCheckBox = new QCheckBox(tr("&Transformations"));
+//! [7]
+
+//! [8]
+ connect(shapeComboBox, SIGNAL(activated(int)),
+ this, SLOT(shapeChanged()));
+ connect(penWidthSpinBox, SIGNAL(valueChanged(int)),
+ this, SLOT(penChanged()));
+ connect(penStyleComboBox, SIGNAL(activated(int)),
+ this, SLOT(penChanged()));
+ connect(penCapComboBox, SIGNAL(activated(int)),
+ this, SLOT(penChanged()));
+ connect(penJoinComboBox, SIGNAL(activated(int)),
+ this, SLOT(penChanged()));
+ connect(brushStyleComboBox, SIGNAL(activated(int)),
+ this, SLOT(brushChanged()));
+ connect(antialiasingCheckBox, SIGNAL(toggled(bool)),
+ renderArea, SLOT(setAntialiased(bool)));
+ connect(transformationsCheckBox, SIGNAL(toggled(bool)),
+ renderArea, SLOT(setTransformed(bool)));
+//! [8]
+
+//! [9]
+ QGridLayout *mainLayout = new QGridLayout;
+//! [9] //! [10]
+ mainLayout->setColumnStretch(0, 1);
+ mainLayout->setColumnStretch(3, 1);
+ mainLayout->addWidget(renderArea, 0, 0, 1, 4);
+ mainLayout->setRowMinimumHeight(1, 6);
+ mainLayout->addWidget(shapeLabel, 2, 1, Qt::AlignRight);
+ mainLayout->addWidget(shapeComboBox, 2, 2);
+ mainLayout->addWidget(penWidthLabel, 3, 1, Qt::AlignRight);
+ mainLayout->addWidget(penWidthSpinBox, 3, 2);
+ mainLayout->addWidget(penStyleLabel, 4, 1, Qt::AlignRight);
+ mainLayout->addWidget(penStyleComboBox, 4, 2);
+ mainLayout->addWidget(penCapLabel, 5, 1, Qt::AlignRight);
+ mainLayout->addWidget(penCapComboBox, 5, 2);
+ mainLayout->addWidget(penJoinLabel, 6, 1, Qt::AlignRight);
+ mainLayout->addWidget(penJoinComboBox, 6, 2);
+ mainLayout->addWidget(brushStyleLabel, 7, 1, Qt::AlignRight);
+ mainLayout->addWidget(brushStyleComboBox, 7, 2);
+ mainLayout->setRowMinimumHeight(8, 6);
+ mainLayout->addWidget(otherOptionsLabel, 9, 1, Qt::AlignRight);
+ mainLayout->addWidget(antialiasingCheckBox, 9, 2);
+ mainLayout->addWidget(transformationsCheckBox, 10, 2);
+ setLayout(mainLayout);
+
+ shapeChanged();
+ penChanged();
+ brushChanged();
+ antialiasingCheckBox->setChecked(true);
+
+ setWindowTitle(tr("Basic Drawing"));
+}
+//! [10]
+
+//! [11]
+void Window::shapeChanged()
+{
+ RenderArea::Shape shape = RenderArea::Shape(shapeComboBox->itemData(
+ shapeComboBox->currentIndex(), IdRole).toInt());
+ renderArea->setShape(shape);
+}
+//! [11]
+
+//! [12]
+void Window::penChanged()
+{
+ int width = penWidthSpinBox->value();
+ Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(
+ penStyleComboBox->currentIndex(), IdRole).toInt());
+ Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(
+ penCapComboBox->currentIndex(), IdRole).toInt());
+ Qt::PenJoinStyle join = Qt::PenJoinStyle(penJoinComboBox->itemData(
+ penJoinComboBox->currentIndex(), IdRole).toInt());
+
+ renderArea->setPen(QPen(Qt::blue, width, style, cap, join));
+}
+//! [12]
+
+//! [13]
+void Window::brushChanged()
+{
+ Qt::BrushStyle style = Qt::BrushStyle(brushStyleComboBox->itemData(
+//! [13]
+ brushStyleComboBox->currentIndex(), IdRole).toInt());
+
+//! [14]
+ if (style == Qt::LinearGradientPattern) {
+ QLinearGradient linearGradient(0, 0, 100, 100);
+ linearGradient.setColorAt(0.0, Qt::white);
+ linearGradient.setColorAt(0.2, Qt::green);
+ linearGradient.setColorAt(1.0, Qt::black);
+ renderArea->setBrush(linearGradient);
+//! [14] //! [15]
+ } else if (style == Qt::RadialGradientPattern) {
+ QRadialGradient radialGradient(50, 50, 50, 70, 70);
+ radialGradient.setColorAt(0.0, Qt::white);
+ radialGradient.setColorAt(0.2, Qt::green);
+ radialGradient.setColorAt(1.0, Qt::black);
+ renderArea->setBrush(radialGradient);
+ } else if (style == Qt::ConicalGradientPattern) {
+ QConicalGradient conicalGradient(50, 50, 150);
+ conicalGradient.setColorAt(0.0, Qt::white);
+ conicalGradient.setColorAt(0.2, Qt::green);
+ conicalGradient.setColorAt(1.0, Qt::black);
+ renderArea->setBrush(conicalGradient);
+//! [15] //! [16]
+ } else if (style == Qt::TexturePattern) {
+ renderArea->setBrush(QBrush(QPixmap(":/images/brick.png")));
+//! [16] //! [17]
+ } else {
+ renderArea->setBrush(QBrush(Qt::green, style));
+ }
+}
+//! [17]