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/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 <QtGui>
#include <math.h>
#include "renderarea.h"
#include "window.h"
//! [0]
const float Pi = 3.14159f;
//! [0]
//! [1]
Window::Window()
{
QPainterPath rectPath;
rectPath.moveTo(20.0, 30.0);
rectPath.lineTo(80.0, 30.0);
rectPath.lineTo(80.0, 70.0);
rectPath.lineTo(20.0, 70.0);
rectPath.closeSubpath();
//! [1]
//! [2]
QPainterPath roundRectPath;
roundRectPath.moveTo(80.0, 35.0);
roundRectPath.arcTo(70.0, 30.0, 10.0, 10.0, 0.0, 90.0);
roundRectPath.lineTo(25.0, 30.0);
roundRectPath.arcTo(20.0, 30.0, 10.0, 10.0, 90.0, 90.0);
roundRectPath.lineTo(20.0, 65.0);
roundRectPath.arcTo(20.0, 60.0, 10.0, 10.0, 180.0, 90.0);
roundRectPath.lineTo(75.0, 70.0);
roundRectPath.arcTo(70.0, 60.0, 10.0, 10.0, 270.0, 90.0);
roundRectPath.closeSubpath();
//! [2]
//! [3]
QPainterPath ellipsePath;
ellipsePath.moveTo(80.0, 50.0);
ellipsePath.arcTo(20.0, 30.0, 60.0, 40.0, 0.0, 360.0);
//! [3]
//! [4]
QPainterPath piePath;
piePath.moveTo(50.0, 50.0);
piePath.arcTo(20.0, 30.0, 60.0, 40.0, 60.0, 240.0);
piePath.closeSubpath();
//! [4]
//! [5]
QPainterPath polygonPath;
polygonPath.moveTo(10.0, 80.0);
polygonPath.lineTo(20.0, 10.0);
polygonPath.lineTo(80.0, 30.0);
polygonPath.lineTo(90.0, 70.0);
polygonPath.closeSubpath();
//! [5]
//! [6]
QPainterPath groupPath;
groupPath.moveTo(60.0, 40.0);
groupPath.arcTo(20.0, 20.0, 40.0, 40.0, 0.0, 360.0);
groupPath.moveTo(40.0, 40.0);
groupPath.lineTo(40.0, 80.0);
groupPath.lineTo(80.0, 80.0);
groupPath.lineTo(80.0, 40.0);
groupPath.closeSubpath();
//! [6]
//! [7]
QPainterPath textPath;
QFont timesFont("Times", 50);
timesFont.setStyleStrategy(QFont::ForceOutline);
textPath.addText(10, 70, timesFont, tr("Qt"));
//! [7]
//! [8]
QPainterPath bezierPath;
bezierPath.moveTo(20, 30);
bezierPath.cubicTo(80, 0, 50, 50, 80, 80);
//! [8]
//! [9]
QPainterPath starPath;
starPath.moveTo(90, 50);
for (int i = 1; i < 5; ++i) {
starPath.lineTo(50 + 40 * cos(0.8 * i * Pi),
50 + 40 * sin(0.8 * i * Pi));
}
starPath.closeSubpath();
//! [9]
//! [10]
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR)
renderAreas.push_back(new RenderArea(rectPath));
renderAreas.push_back(new RenderArea(roundRectPath));
renderAreas.push_back(new RenderArea(ellipsePath));
renderAreas.push_back(new RenderArea(piePath));
renderAreas.push_back(new RenderArea(polygonPath));
renderAreas.push_back(new RenderArea(groupPath));
#endif
renderAreas.push_back(new RenderArea(textPath));
renderAreas.push_back(new RenderArea(bezierPath));
renderAreas.push_back(new RenderArea(starPath));
//! [10]
//! [11]
fillRuleComboBox = new QComboBox;
fillRuleComboBox->addItem(tr("Odd Even"), Qt::OddEvenFill);
fillRuleComboBox->addItem(tr("Winding"), Qt::WindingFill);
fillRuleLabel = new QLabel(tr("Fill &Rule:"));
fillRuleLabel->setBuddy(fillRuleComboBox);
//! [11]
//! [12]
fillColor1ComboBox = new QComboBox;
populateWithColors(fillColor1ComboBox);
fillColor1ComboBox->setCurrentIndex(
fillColor1ComboBox->findText("mediumslateblue"));
fillColor2ComboBox = new QComboBox;
populateWithColors(fillColor2ComboBox);
fillColor2ComboBox->setCurrentIndex(
fillColor2ComboBox->findText("cornsilk"));
fillGradientLabel = new QLabel(tr("&Fill Gradient:"));
fillGradientLabel->setBuddy(fillColor1ComboBox);
fillToLabel = new QLabel(tr("to"));
fillToLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
penWidthSpinBox = new QSpinBox;
penWidthSpinBox->setRange(0, 20);
penWidthLabel = new QLabel(tr("&Pen Width:"));
penWidthLabel->setBuddy(penWidthSpinBox);
penColorComboBox = new QComboBox;
populateWithColors(penColorComboBox);
penColorComboBox->setCurrentIndex(
penColorComboBox->findText("darkslateblue"));
penColorLabel = new QLabel(tr("Pen &Color:"));
penColorLabel->setBuddy(penColorComboBox);
rotationAngleSpinBox = new QSpinBox;
rotationAngleSpinBox->setRange(0, 359);
rotationAngleSpinBox->setWrapping(true);
rotationAngleSpinBox->setSuffix("\xB0");
rotationAngleLabel = new QLabel(tr("&Rotation Angle:"));
rotationAngleLabel->setBuddy(rotationAngleSpinBox);
//! [12]
//! [16]
connect(fillRuleComboBox, SIGNAL(activated(int)),
this, SLOT(fillRuleChanged()));
connect(fillColor1ComboBox, SIGNAL(activated(int)),
this, SLOT(fillGradientChanged()));
connect(fillColor2ComboBox, SIGNAL(activated(int)),
this, SLOT(fillGradientChanged()));
connect(penColorComboBox, SIGNAL(activated(int)),
this, SLOT(penColorChanged()));
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++) {
connect(penWidthSpinBox, SIGNAL(valueChanged(int)),
*it, SLOT(setPenWidth(int)));
connect(rotationAngleSpinBox, SIGNAL(valueChanged(int)),
*it, SLOT(setRotationAngle(int)));
}
//! [16] //! [17]
QGridLayout *topLayout = new QGridLayout;
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
topLayout->setSizeConstraint(QLayout::SetNoConstraint);
#endif
int i=0;
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++, i++)
topLayout->addWidget(*it, i / 3, i % 3);
QGridLayout *mainLayout = new QGridLayout;
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
mainLayout->setSizeConstraint(QLayout::SetNoConstraint);
#endif
mainLayout->addLayout(topLayout, 0, 0, 1, 4);
mainLayout->addWidget(fillRuleLabel, 1, 0);
mainLayout->addWidget(fillRuleComboBox, 1, 1, 1, 3);
mainLayout->addWidget(fillGradientLabel, 2, 0);
mainLayout->addWidget(fillColor1ComboBox, 2, 1);
mainLayout->addWidget(fillToLabel, 2, 2);
mainLayout->addWidget(fillColor2ComboBox, 2, 3);
mainLayout->addWidget(penWidthLabel, 3, 0);
mainLayout->addWidget(penWidthSpinBox, 3, 1, 1, 3);
mainLayout->addWidget(penColorLabel, 4, 0);
mainLayout->addWidget(penColorComboBox, 4, 1, 1, 3);
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR)
mainLayout->addWidget(rotationAngleLabel, 5, 0);
mainLayout->addWidget(rotationAngleSpinBox, 5, 1, 1, 3);
#endif
setLayout(mainLayout);
//! [17]
//! [18]
fillRuleChanged();
fillGradientChanged();
penColorChanged();
penWidthSpinBox->setValue(2);
setWindowTitle(tr("Painter Paths"));
}
//! [18]
//! [19]
void Window::fillRuleChanged()
{
Qt::FillRule rule = (Qt::FillRule)currentItemData(fillRuleComboBox).toInt();
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++)
(*it)->setFillRule(rule);
}
//! [19]
//! [20]
void Window::fillGradientChanged()
{
QColor color1 = qvariant_cast<QColor>(currentItemData(fillColor1ComboBox));
QColor color2 = qvariant_cast<QColor>(currentItemData(fillColor2ComboBox));
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++)
(*it)->setFillGradient(color1, color2);
}
//! [20]
//! [21]
void Window::penColorChanged()
{
QColor color = qvariant_cast<QColor>(currentItemData(penColorComboBox));
for(QList<RenderArea*>::iterator it = renderAreas.begin(); it != renderAreas.end(); it++)
(*it)->setPenColor(color);
}
//! [21]
//! [22]
void Window::populateWithColors(QComboBox *comboBox)
{
QStringList colorNames = QColor::colorNames();
foreach (QString name, colorNames)
comboBox->addItem(name, QColor(name));
}
//! [22]
//! [23]
QVariant Window::currentItemData(QComboBox *comboBox)
{
return comboBox->itemData(comboBox->currentIndex());
}
//! [23]
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