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Diffstat (limited to 'examples/painting/basicdrawing/renderarea.cpp')
| -rw-r--r-- | examples/painting/basicdrawing/renderarea.cpp | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/examples/painting/basicdrawing/renderarea.cpp b/examples/painting/basicdrawing/renderarea.cpp deleted file mode 100644 index 9fb4ab589d..0000000000 --- a/examples/painting/basicdrawing/renderarea.cpp +++ /dev/null @@ -1,207 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** 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 <QtWidgets> - -#include "renderarea.h" - -//! [0] -RenderArea::RenderArea(QWidget *parent) - : QWidget(parent) -{ - shape = Polygon; - antialiased = false; - transformed = false; - pixmap.load(":/images/qt-logo.png"); - - setBackgroundRole(QPalette::Base); - setAutoFillBackground(true); -} -//! [0] - -//! [1] -QSize RenderArea::minimumSizeHint() const -{ - return QSize(100, 100); -} -//! [1] - -//! [2] -QSize RenderArea::sizeHint() const -{ - return QSize(400, 200); -} -//! [2] - -//! [3] -void RenderArea::setShape(Shape shape) -{ - this->shape = shape; - update(); -} -//! [3] - -//! [4] -void RenderArea::setPen(const QPen &pen) -{ - this->pen = pen; - update(); -} -//! [4] - -//! [5] -void RenderArea::setBrush(const QBrush &brush) -{ - this->brush = brush; - update(); -} -//! [5] - -//! [6] -void RenderArea::setAntialiased(bool antialiased) -{ - this->antialiased = antialiased; - update(); -} -//! [6] - -//! [7] -void RenderArea::setTransformed(bool transformed) -{ - this->transformed = transformed; - update(); -} -//! [7] - -//! [8] -void RenderArea::paintEvent(QPaintEvent * /* event */) -{ - static const QPoint points[4] = { - QPoint(10, 80), - QPoint(20, 10), - QPoint(80, 30), - QPoint(90, 70) - }; - - QRect rect(10, 20, 80, 60); - - QPainterPath path; - path.moveTo(20, 80); - path.lineTo(20, 30); - path.cubicTo(80, 0, 50, 50, 80, 80); - - int startAngle = 20 * 16; - int arcLength = 120 * 16; -//! [8] - -//! [9] - QPainter painter(this); - painter.setPen(pen); - painter.setBrush(brush); - if (antialiased) - painter.setRenderHint(QPainter::Antialiasing, true); -//! [9] - -//! [10] - for (int x = 0; x < width(); x += 100) { - for (int y = 0; y < height(); y += 100) { - painter.save(); - painter.translate(x, y); -//! [10] //! [11] - if (transformed) { - painter.translate(50, 50); - painter.rotate(60.0); - painter.scale(0.6, 0.9); - painter.translate(-50, -50); - } -//! [11] - -//! [12] - switch (shape) { - case Line: - painter.drawLine(rect.bottomLeft(), rect.topRight()); - break; - case Points: - painter.drawPoints(points, 4); - break; - case Polyline: - painter.drawPolyline(points, 4); - break; - case Polygon: - painter.drawPolygon(points, 4); - break; - case Rect: - painter.drawRect(rect); - break; - case RoundedRect: - painter.drawRoundedRect(rect, 25, 25, Qt::RelativeSize); - break; - case Ellipse: - painter.drawEllipse(rect); - break; - case Arc: - painter.drawArc(rect, startAngle, arcLength); - break; - case Chord: - painter.drawChord(rect, startAngle, arcLength); - break; - case Pie: - painter.drawPie(rect, startAngle, arcLength); - break; - case Path: - painter.drawPath(path); - break; - case Text: - painter.drawText(rect, Qt::AlignCenter, tr("Qt by\nNokia")); - break; - case Pixmap: - painter.drawPixmap(10, 10, pixmap); - } -//! [12] //! [13] - painter.restore(); - } - } - - painter.setRenderHint(QPainter::Antialiasing, false); - painter.setPen(palette().dark().color()); - painter.setBrush(Qt::NoBrush); - painter.drawRect(QRect(0, 0, width() - 1, height() - 1)); -} -//! [13] |