/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: http://www.qt-project.org/ ** ** 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 Nokia Corporation and its Subsidiary(-ies) 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 #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:")); brushStyleLabel->setBuddy(brushStyleComboBox); //! [4] //! [5] otherOptionsLabel = new QLabel(tr("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->addWidget(shapeLabel, 2, 0, Qt::AlignRight); mainLayout->addWidget(shapeComboBox, 2, 1); mainLayout->addWidget(penWidthLabel, 3, 0, Qt::AlignRight); mainLayout->addWidget(penWidthSpinBox, 3, 1); mainLayout->addWidget(penStyleLabel, 4, 0, Qt::AlignRight); mainLayout->addWidget(penStyleComboBox, 4, 1); mainLayout->addWidget(penCapLabel, 3, 2, Qt::AlignRight); mainLayout->addWidget(penCapComboBox, 3, 3); mainLayout->addWidget(penJoinLabel, 2, 2, Qt::AlignRight); mainLayout->addWidget(penJoinComboBox, 2, 3); mainLayout->addWidget(brushStyleLabel, 4, 2, Qt::AlignRight); mainLayout->addWidget(brushStyleComboBox, 4, 3); mainLayout->addWidget(otherOptionsLabel, 5, 0, Qt::AlignRight); mainLayout->addWidget(antialiasingCheckBox, 5, 1, 1, 1, Qt::AlignRight); mainLayout->addWidget(transformationsCheckBox, 5, 2, 1, 2, Qt::AlignRight); 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]