mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-23 12:07:03 +08:00
223 lines
8.8 KiB
C++
223 lines
8.8 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "renderarea.h"
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#include "window.h"
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#include <QtWidgets>
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//! [0]
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const int IdRole = Qt::UserRole;
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//! [0]
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//! [1]
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Window::Window()
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{
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renderArea = new RenderArea;
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shapeComboBox = new QComboBox;
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shapeComboBox->addItem(tr("Polygon"), RenderArea::Polygon);
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shapeComboBox->addItem(tr("Rectangle"), RenderArea::Rect);
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shapeComboBox->addItem(tr("Rounded Rectangle"), RenderArea::RoundedRect);
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shapeComboBox->addItem(tr("Ellipse"), RenderArea::Ellipse);
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shapeComboBox->addItem(tr("Pie"), RenderArea::Pie);
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shapeComboBox->addItem(tr("Chord"), RenderArea::Chord);
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shapeComboBox->addItem(tr("Path"), RenderArea::Path);
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shapeComboBox->addItem(tr("Line"), RenderArea::Line);
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shapeComboBox->addItem(tr("Polyline"), RenderArea::Polyline);
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shapeComboBox->addItem(tr("Arc"), RenderArea::Arc);
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shapeComboBox->addItem(tr("Points"), RenderArea::Points);
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shapeComboBox->addItem(tr("Text"), RenderArea::Text);
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shapeComboBox->addItem(tr("Pixmap"), RenderArea::Pixmap);
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shapeLabel = new QLabel(tr("&Shape:"));
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shapeLabel->setBuddy(shapeComboBox);
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//! [1]
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//! [2]
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penWidthSpinBox = new QSpinBox;
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penWidthSpinBox->setRange(0, 20);
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penWidthSpinBox->setSpecialValueText(tr("0 (cosmetic pen)"));
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penWidthLabel = new QLabel(tr("Pen &Width:"));
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penWidthLabel->setBuddy(penWidthSpinBox);
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//! [2]
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//! [3]
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penStyleComboBox = new QComboBox;
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penStyleComboBox->addItem(tr("Solid"), static_cast<int>(Qt::SolidLine));
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penStyleComboBox->addItem(tr("Dash"), static_cast<int>(Qt::DashLine));
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penStyleComboBox->addItem(tr("Dot"), static_cast<int>(Qt::DotLine));
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penStyleComboBox->addItem(tr("Dash Dot"), static_cast<int>(Qt::DashDotLine));
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penStyleComboBox->addItem(tr("Dash Dot Dot"), static_cast<int>(Qt::DashDotDotLine));
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penStyleComboBox->addItem(tr("None"), static_cast<int>(Qt::NoPen));
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penStyleLabel = new QLabel(tr("&Pen Style:"));
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penStyleLabel->setBuddy(penStyleComboBox);
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penCapComboBox = new QComboBox;
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penCapComboBox->addItem(tr("Flat"), Qt::FlatCap);
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penCapComboBox->addItem(tr("Square"), Qt::SquareCap);
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penCapComboBox->addItem(tr("Round"), Qt::RoundCap);
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penCapLabel = new QLabel(tr("Pen &Cap:"));
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penCapLabel->setBuddy(penCapComboBox);
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penJoinComboBox = new QComboBox;
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penJoinComboBox->addItem(tr("Miter"), Qt::MiterJoin);
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penJoinComboBox->addItem(tr("Bevel"), Qt::BevelJoin);
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penJoinComboBox->addItem(tr("Round"), Qt::RoundJoin);
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penJoinLabel = new QLabel(tr("Pen &Join:"));
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penJoinLabel->setBuddy(penJoinComboBox);
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//! [3]
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//! [4]
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brushStyleComboBox = new QComboBox;
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brushStyleComboBox->addItem(tr("Linear Gradient"),
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static_cast<int>(Qt::LinearGradientPattern));
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brushStyleComboBox->addItem(tr("Radial Gradient"),
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static_cast<int>(Qt::RadialGradientPattern));
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brushStyleComboBox->addItem(tr("Conical Gradient"),
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static_cast<int>(Qt::ConicalGradientPattern));
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brushStyleComboBox->addItem(tr("Texture"), static_cast<int>(Qt::TexturePattern));
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brushStyleComboBox->addItem(tr("Solid"), static_cast<int>(Qt::SolidPattern));
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brushStyleComboBox->addItem(tr("Horizontal"), static_cast<int>(Qt::HorPattern));
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brushStyleComboBox->addItem(tr("Vertical"), static_cast<int>(Qt::VerPattern));
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brushStyleComboBox->addItem(tr("Cross"), static_cast<int>(Qt::CrossPattern));
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brushStyleComboBox->addItem(tr("Backward Diagonal"), static_cast<int>(Qt::BDiagPattern));
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brushStyleComboBox->addItem(tr("Forward Diagonal"), static_cast<int>(Qt::FDiagPattern));
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brushStyleComboBox->addItem(tr("Diagonal Cross"), static_cast<int>(Qt::DiagCrossPattern));
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brushStyleComboBox->addItem(tr("Dense 1"), static_cast<int>(Qt::Dense1Pattern));
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brushStyleComboBox->addItem(tr("Dense 2"), static_cast<int>(Qt::Dense2Pattern));
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brushStyleComboBox->addItem(tr("Dense 3"), static_cast<int>(Qt::Dense3Pattern));
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brushStyleComboBox->addItem(tr("Dense 4"), static_cast<int>(Qt::Dense4Pattern));
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brushStyleComboBox->addItem(tr("Dense 5"), static_cast<int>(Qt::Dense5Pattern));
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brushStyleComboBox->addItem(tr("Dense 6"), static_cast<int>(Qt::Dense6Pattern));
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brushStyleComboBox->addItem(tr("Dense 7"), static_cast<int>(Qt::Dense7Pattern));
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brushStyleComboBox->addItem(tr("None"), static_cast<int>(Qt::NoBrush));
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brushStyleLabel = new QLabel(tr("&Brush:"));
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brushStyleLabel->setBuddy(brushStyleComboBox);
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//! [4]
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//! [5]
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otherOptionsLabel = new QLabel(tr("Options:"));
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//! [5] //! [6]
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antialiasingCheckBox = new QCheckBox(tr("&Antialiasing"));
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//! [6] //! [7]
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transformationsCheckBox = new QCheckBox(tr("&Transformations"));
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//! [7]
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//! [8]
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connect(shapeComboBox, &QComboBox::activated,
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this, &Window::shapeChanged);
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connect(penWidthSpinBox, &QSpinBox::valueChanged,
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this, &Window::penChanged);
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connect(penStyleComboBox, &QComboBox::activated,
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this, &Window::penChanged);
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connect(penCapComboBox, &QComboBox::activated,
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this, &Window::penChanged);
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connect(penJoinComboBox, &QComboBox::activated,
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this, &Window::penChanged);
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connect(brushStyleComboBox, &QComboBox::activated,
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this, &Window::brushChanged);
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connect(antialiasingCheckBox, &QAbstractButton::toggled,
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renderArea, &RenderArea::setAntialiased);
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connect(transformationsCheckBox, &QAbstractButton::toggled,
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renderArea, &RenderArea::setTransformed);
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//! [8]
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//! [9]
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QGridLayout *mainLayout = new QGridLayout;
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//! [9] //! [10]
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mainLayout->setColumnStretch(0, 1);
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mainLayout->setColumnStretch(3, 1);
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mainLayout->addWidget(renderArea, 0, 0, 1, 4);
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mainLayout->addWidget(shapeLabel, 2, 0, Qt::AlignRight);
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mainLayout->addWidget(shapeComboBox, 2, 1);
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mainLayout->addWidget(penWidthLabel, 3, 0, Qt::AlignRight);
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mainLayout->addWidget(penWidthSpinBox, 3, 1);
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mainLayout->addWidget(penStyleLabel, 4, 0, Qt::AlignRight);
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mainLayout->addWidget(penStyleComboBox, 4, 1);
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mainLayout->addWidget(penCapLabel, 3, 2, Qt::AlignRight);
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mainLayout->addWidget(penCapComboBox, 3, 3);
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mainLayout->addWidget(penJoinLabel, 2, 2, Qt::AlignRight);
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mainLayout->addWidget(penJoinComboBox, 2, 3);
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mainLayout->addWidget(brushStyleLabel, 4, 2, Qt::AlignRight);
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mainLayout->addWidget(brushStyleComboBox, 4, 3);
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mainLayout->addWidget(otherOptionsLabel, 5, 0, Qt::AlignRight);
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mainLayout->addWidget(antialiasingCheckBox, 5, 1, 1, 1, Qt::AlignRight);
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mainLayout->addWidget(transformationsCheckBox, 5, 2, 1, 2, Qt::AlignRight);
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setLayout(mainLayout);
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shapeChanged();
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penChanged();
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brushChanged();
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antialiasingCheckBox->setChecked(true);
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setWindowTitle(tr("Basic Drawing"));
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}
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//! [10]
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//! [11]
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void Window::shapeChanged()
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{
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RenderArea::Shape shape = RenderArea::Shape(shapeComboBox->itemData(
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shapeComboBox->currentIndex(), IdRole).toInt());
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renderArea->setShape(shape);
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}
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//! [11]
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//! [12]
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void Window::penChanged()
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{
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int width = penWidthSpinBox->value();
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Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(
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penStyleComboBox->currentIndex(), IdRole).toInt());
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Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(
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penCapComboBox->currentIndex(), IdRole).toInt());
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Qt::PenJoinStyle join = Qt::PenJoinStyle(penJoinComboBox->itemData(
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penJoinComboBox->currentIndex(), IdRole).toInt());
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renderArea->setPen(QPen(Qt::blue, width, style, cap, join));
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}
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//! [12]
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//! [13]
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void Window::brushChanged()
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{
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Qt::BrushStyle style = Qt::BrushStyle(brushStyleComboBox->itemData(
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//! [13]
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brushStyleComboBox->currentIndex(), IdRole).toInt());
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//! [14]
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if (style == Qt::LinearGradientPattern) {
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QLinearGradient linearGradient(0, 0, 100, 100);
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linearGradient.setColorAt(0.0, Qt::white);
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linearGradient.setColorAt(0.2, Qt::green);
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linearGradient.setColorAt(1.0, Qt::black);
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renderArea->setBrush(linearGradient);
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//! [14] //! [15]
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} else if (style == Qt::RadialGradientPattern) {
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QRadialGradient radialGradient(50, 50, 50, 70, 70);
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radialGradient.setColorAt(0.0, Qt::white);
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radialGradient.setColorAt(0.2, Qt::green);
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radialGradient.setColorAt(1.0, Qt::black);
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renderArea->setBrush(radialGradient);
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} else if (style == Qt::ConicalGradientPattern) {
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QConicalGradient conicalGradient(50, 50, 150);
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conicalGradient.setColorAt(0.0, Qt::white);
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conicalGradient.setColorAt(0.2, Qt::green);
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conicalGradient.setColorAt(1.0, Qt::black);
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renderArea->setBrush(conicalGradient);
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//! [15] //! [16]
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} else if (style == Qt::TexturePattern) {
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renderArea->setBrush(QBrush(QPixmap(":/images/brick.png")));
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//! [16] //! [17]
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} else {
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renderArea->setBrush(QBrush(Qt::green, style));
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}
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}
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//! [17]
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