| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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| 6 | **
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| 7 | ** This file is part of the examples of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:BSD$
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| 10 | ** You may use this file under the terms of the BSD license as follows:
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| 11 | **
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| 12 | ** "Redistribution and use in source and binary forms, with or without
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| 13 | ** modification, are permitted provided that the following conditions are
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| 14 | ** met:
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| 15 | ** * Redistributions of source code must retain the above copyright
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| 16 | ** notice, this list of conditions and the following disclaimer.
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| 17 | ** * Redistributions in binary form must reproduce the above copyright
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| 18 | ** notice, this list of conditions and the following disclaimer in
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| 19 | ** the documentation and/or other materials provided with the
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| 20 | ** distribution.
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| 21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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| 22 | ** the names of its contributors may be used to endorse or promote
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| 23 | ** products derived from this software without specific prior written
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| 24 | ** permission.
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| 25 | **
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| 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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| 37 | ** $QT_END_LICENSE$
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| 38 | **
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| 39 | ****************************************************************************/
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| 40 |
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| 41 | #include <QtGui>
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| 42 |
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| 43 | #include "renderarea.h"
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| 44 | #include "window.h"
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| 45 |
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| 46 | //! [0]
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| 47 | const int IdRole = Qt::UserRole;
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| 48 | //! [0]
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| 49 |
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| 50 | //! [1]
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| 51 | Window::Window()
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| 52 | {
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| 53 | renderArea = new RenderArea;
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| 54 |
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| 55 | shapeComboBox = new QComboBox;
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| 56 | shapeComboBox->addItem(tr("Polygon"), RenderArea::Polygon);
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| 57 | shapeComboBox->addItem(tr("Rectangle"), RenderArea::Rect);
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| 58 | shapeComboBox->addItem(tr("Rounded Rectangle"), RenderArea::RoundedRect);
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| 59 | shapeComboBox->addItem(tr("Ellipse"), RenderArea::Ellipse);
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| 60 | shapeComboBox->addItem(tr("Pie"), RenderArea::Pie);
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| 61 | shapeComboBox->addItem(tr("Chord"), RenderArea::Chord);
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| 62 | shapeComboBox->addItem(tr("Path"), RenderArea::Path);
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| 63 | shapeComboBox->addItem(tr("Line"), RenderArea::Line);
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| 64 | shapeComboBox->addItem(tr("Polyline"), RenderArea::Polyline);
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| 65 | shapeComboBox->addItem(tr("Arc"), RenderArea::Arc);
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| 66 | shapeComboBox->addItem(tr("Points"), RenderArea::Points);
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| 67 | shapeComboBox->addItem(tr("Text"), RenderArea::Text);
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| 68 | shapeComboBox->addItem(tr("Pixmap"), RenderArea::Pixmap);
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| 69 |
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| 70 | shapeLabel = new QLabel(tr("&Shape:"));
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| 71 | shapeLabel->setBuddy(shapeComboBox);
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| 72 | //! [1]
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| 73 |
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| 74 | //! [2]
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| 75 | penWidthSpinBox = new QSpinBox;
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| 76 | penWidthSpinBox->setRange(0, 20);
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| 77 | penWidthSpinBox->setSpecialValueText(tr("0 (cosmetic pen)"));
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| 78 |
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| 79 | penWidthLabel = new QLabel(tr("Pen &Width:"));
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| 80 | penWidthLabel->setBuddy(penWidthSpinBox);
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| 81 | //! [2]
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| 82 |
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| 83 | //! [3]
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| 84 | penStyleComboBox = new QComboBox;
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| 85 | penStyleComboBox->addItem(tr("Solid"), Qt::SolidLine);
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| 86 | penStyleComboBox->addItem(tr("Dash"), Qt::DashLine);
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| 87 | penStyleComboBox->addItem(tr("Dot"), Qt::DotLine);
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| 88 | penStyleComboBox->addItem(tr("Dash Dot"), Qt::DashDotLine);
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| 89 | penStyleComboBox->addItem(tr("Dash Dot Dot"), Qt::DashDotDotLine);
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| 90 | penStyleComboBox->addItem(tr("None"), Qt::NoPen);
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| 91 |
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| 92 | penStyleLabel = new QLabel(tr("&Pen Style:"));
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| 93 | penStyleLabel->setBuddy(penStyleComboBox);
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| 94 |
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| 95 | penCapComboBox = new QComboBox;
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| 96 | penCapComboBox->addItem(tr("Flat"), Qt::FlatCap);
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| 97 | penCapComboBox->addItem(tr("Square"), Qt::SquareCap);
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| 98 | penCapComboBox->addItem(tr("Round"), Qt::RoundCap);
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| 99 |
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| 100 | penCapLabel = new QLabel(tr("Pen &Cap:"));
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| 101 | penCapLabel->setBuddy(penCapComboBox);
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| 102 |
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| 103 | penJoinComboBox = new QComboBox;
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| 104 | penJoinComboBox->addItem(tr("Miter"), Qt::MiterJoin);
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| 105 | penJoinComboBox->addItem(tr("Bevel"), Qt::BevelJoin);
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| 106 | penJoinComboBox->addItem(tr("Round"), Qt::RoundJoin);
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| 107 |
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| 108 | penJoinLabel = new QLabel(tr("Pen &Join:"));
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| 109 | penJoinLabel->setBuddy(penJoinComboBox);
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| 110 | //! [3]
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| 111 |
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| 112 | //! [4]
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| 113 | brushStyleComboBox = new QComboBox;
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| 114 | brushStyleComboBox->addItem(tr("Linear Gradient"),
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| 115 | Qt::LinearGradientPattern);
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| 116 | brushStyleComboBox->addItem(tr("Radial Gradient"),
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| 117 | Qt::RadialGradientPattern);
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| 118 | brushStyleComboBox->addItem(tr("Conical Gradient"),
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| 119 | Qt::ConicalGradientPattern);
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| 120 | brushStyleComboBox->addItem(tr("Texture"), Qt::TexturePattern);
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| 121 | brushStyleComboBox->addItem(tr("Solid"), Qt::SolidPattern);
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| 122 | brushStyleComboBox->addItem(tr("Horizontal"), Qt::HorPattern);
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| 123 | brushStyleComboBox->addItem(tr("Vertical"), Qt::VerPattern);
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| 124 | brushStyleComboBox->addItem(tr("Cross"), Qt::CrossPattern);
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| 125 | brushStyleComboBox->addItem(tr("Backward Diagonal"), Qt::BDiagPattern);
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| 126 | brushStyleComboBox->addItem(tr("Forward Diagonal"), Qt::FDiagPattern);
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| 127 | brushStyleComboBox->addItem(tr("Diagonal Cross"), Qt::DiagCrossPattern);
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| 128 | brushStyleComboBox->addItem(tr("Dense 1"), Qt::Dense1Pattern);
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| 129 | brushStyleComboBox->addItem(tr("Dense 2"), Qt::Dense2Pattern);
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| 130 | brushStyleComboBox->addItem(tr("Dense 3"), Qt::Dense3Pattern);
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| 131 | brushStyleComboBox->addItem(tr("Dense 4"), Qt::Dense4Pattern);
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| 132 | brushStyleComboBox->addItem(tr("Dense 5"), Qt::Dense5Pattern);
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| 133 | brushStyleComboBox->addItem(tr("Dense 6"), Qt::Dense6Pattern);
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| 134 | brushStyleComboBox->addItem(tr("Dense 7"), Qt::Dense7Pattern);
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| 135 | brushStyleComboBox->addItem(tr("None"), Qt::NoBrush);
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| 136 |
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| 137 | brushStyleLabel = new QLabel(tr("&Brush Style:"));
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| 138 | brushStyleLabel->setBuddy(brushStyleComboBox);
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| 139 | //! [4]
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| 140 |
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| 141 | //! [5]
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| 142 | otherOptionsLabel = new QLabel(tr("Other Options:"));
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| 143 | //! [5] //! [6]
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| 144 | antialiasingCheckBox = new QCheckBox(tr("&Antialiasing"));
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| 145 | //! [6] //! [7]
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| 146 | transformationsCheckBox = new QCheckBox(tr("&Transformations"));
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| 147 | //! [7]
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| 148 |
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| 149 | //! [8]
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| 150 | connect(shapeComboBox, SIGNAL(activated(int)),
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| 151 | this, SLOT(shapeChanged()));
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| 152 | connect(penWidthSpinBox, SIGNAL(valueChanged(int)),
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| 153 | this, SLOT(penChanged()));
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| 154 | connect(penStyleComboBox, SIGNAL(activated(int)),
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| 155 | this, SLOT(penChanged()));
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| 156 | connect(penCapComboBox, SIGNAL(activated(int)),
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| 157 | this, SLOT(penChanged()));
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| 158 | connect(penJoinComboBox, SIGNAL(activated(int)),
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| 159 | this, SLOT(penChanged()));
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| 160 | connect(brushStyleComboBox, SIGNAL(activated(int)),
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| 161 | this, SLOT(brushChanged()));
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| 162 | connect(antialiasingCheckBox, SIGNAL(toggled(bool)),
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| 163 | renderArea, SLOT(setAntialiased(bool)));
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| 164 | connect(transformationsCheckBox, SIGNAL(toggled(bool)),
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| 165 | renderArea, SLOT(setTransformed(bool)));
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| 166 | //! [8]
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| 167 |
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| 168 | //! [9]
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| 169 | QGridLayout *mainLayout = new QGridLayout;
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| 170 | //! [9] //! [10]
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| 171 | mainLayout->setColumnStretch(0, 1);
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| 172 | mainLayout->setColumnStretch(3, 1);
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| 173 | mainLayout->addWidget(renderArea, 0, 0, 1, 4);
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| 174 | mainLayout->setRowMinimumHeight(1, 6);
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| 175 | mainLayout->addWidget(shapeLabel, 2, 1, Qt::AlignRight);
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| 176 | mainLayout->addWidget(shapeComboBox, 2, 2);
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| 177 | mainLayout->addWidget(penWidthLabel, 3, 1, Qt::AlignRight);
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| 178 | mainLayout->addWidget(penWidthSpinBox, 3, 2);
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| 179 | mainLayout->addWidget(penStyleLabel, 4, 1, Qt::AlignRight);
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| 180 | mainLayout->addWidget(penStyleComboBox, 4, 2);
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| 181 | mainLayout->addWidget(penCapLabel, 5, 1, Qt::AlignRight);
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| 182 | mainLayout->addWidget(penCapComboBox, 5, 2);
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| 183 | mainLayout->addWidget(penJoinLabel, 6, 1, Qt::AlignRight);
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| 184 | mainLayout->addWidget(penJoinComboBox, 6, 2);
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| 185 | mainLayout->addWidget(brushStyleLabel, 7, 1, Qt::AlignRight);
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| 186 | mainLayout->addWidget(brushStyleComboBox, 7, 2);
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| 187 | mainLayout->setRowMinimumHeight(8, 6);
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| 188 | mainLayout->addWidget(otherOptionsLabel, 9, 1, Qt::AlignRight);
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| 189 | mainLayout->addWidget(antialiasingCheckBox, 9, 2);
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| 190 | mainLayout->addWidget(transformationsCheckBox, 10, 2);
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| 191 | setLayout(mainLayout);
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| 192 |
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| 193 | shapeChanged();
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| 194 | penChanged();
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| 195 | brushChanged();
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| 196 | antialiasingCheckBox->setChecked(true);
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| 197 |
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| 198 | setWindowTitle(tr("Basic Drawing"));
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| 199 | }
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| 200 | //! [10]
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| 201 |
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| 202 | //! [11]
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| 203 | void Window::shapeChanged()
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| 204 | {
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| 205 | RenderArea::Shape shape = RenderArea::Shape(shapeComboBox->itemData(
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| 206 | shapeComboBox->currentIndex(), IdRole).toInt());
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| 207 | renderArea->setShape(shape);
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| 208 | }
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| 209 | //! [11]
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| 210 |
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| 211 | //! [12]
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| 212 | void Window::penChanged()
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| 213 | {
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| 214 | int width = penWidthSpinBox->value();
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| 215 | Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(
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| 216 | penStyleComboBox->currentIndex(), IdRole).toInt());
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| 217 | Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(
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| 218 | penCapComboBox->currentIndex(), IdRole).toInt());
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| 219 | Qt::PenJoinStyle join = Qt::PenJoinStyle(penJoinComboBox->itemData(
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| 220 | penJoinComboBox->currentIndex(), IdRole).toInt());
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| 221 |
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| 222 | renderArea->setPen(QPen(Qt::blue, width, style, cap, join));
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| 223 | }
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| 224 | //! [12]
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| 225 |
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| 226 | //! [13]
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| 227 | void Window::brushChanged()
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| 228 | {
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| 229 | Qt::BrushStyle style = Qt::BrushStyle(brushStyleComboBox->itemData(
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| 230 | //! [13]
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| 231 | brushStyleComboBox->currentIndex(), IdRole).toInt());
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| 232 |
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| 233 | //! [14]
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| 234 | if (style == Qt::LinearGradientPattern) {
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| 235 | QLinearGradient linearGradient(0, 0, 100, 100);
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| 236 | linearGradient.setColorAt(0.0, Qt::white);
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| 237 | linearGradient.setColorAt(0.2, Qt::green);
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| 238 | linearGradient.setColorAt(1.0, Qt::black);
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| 239 | renderArea->setBrush(linearGradient);
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| 240 | //! [14] //! [15]
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| 241 | } else if (style == Qt::RadialGradientPattern) {
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| 242 | QRadialGradient radialGradient(50, 50, 50, 70, 70);
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| 243 | radialGradient.setColorAt(0.0, Qt::white);
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| 244 | radialGradient.setColorAt(0.2, Qt::green);
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| 245 | radialGradient.setColorAt(1.0, Qt::black);
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| 246 | renderArea->setBrush(radialGradient);
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| 247 | } else if (style == Qt::ConicalGradientPattern) {
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| 248 | QConicalGradient conicalGradient(50, 50, 150);
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| 249 | conicalGradient.setColorAt(0.0, Qt::white);
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| 250 | conicalGradient.setColorAt(0.2, Qt::green);
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| 251 | conicalGradient.setColorAt(1.0, Qt::black);
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| 252 | renderArea->setBrush(conicalGradient);
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| 253 | //! [15] //! [16]
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| 254 | } else if (style == Qt::TexturePattern) {
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| 255 | renderArea->setBrush(QBrush(QPixmap(":/images/brick.png")));
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| 256 | //! [16] //! [17]
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| 257 | } else {
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| 258 | renderArea->setBrush(QBrush(Qt::green, style));
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| 259 | }
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| 260 | }
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| 261 | //! [17]
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