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Diffstat (limited to 'examples/painting/transformations/renderarea.cpp')
| -rw-r--r-- | examples/painting/transformations/renderarea.cpp | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/examples/painting/transformations/renderarea.cpp b/examples/painting/transformations/renderarea.cpp deleted file mode 100644 index 58be8143c3..0000000000 --- a/examples/painting/transformations/renderarea.cpp +++ /dev/null @@ -1,172 +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) -{ - QFont newFont = font(); - newFont.setPixelSize(12); - setFont(newFont); - - QFontMetrics fontMetrics(newFont); - xBoundingRect = fontMetrics.boundingRect(tr("x")); - yBoundingRect = fontMetrics.boundingRect(tr("y")); -} -//! [0] - -//! [1] -void RenderArea::setOperations(const QList<Operation> &operations) -{ - this->operations = operations; - update(); -} -//! [1] - -//! [2] -void RenderArea::setShape(const QPainterPath &shape) -{ - this->shape = shape; - update(); -} -//! [2] - -//! [3] -QSize RenderArea::minimumSizeHint() const -{ - return QSize(182, 182); -} -//! [3] - -//! [4] -QSize RenderArea::sizeHint() const -{ - return QSize(232, 232); -} -//! [4] - -//! [5] -void RenderArea::paintEvent(QPaintEvent *event) -{ - QPainter painter(this); - painter.setRenderHint(QPainter::Antialiasing); - painter.fillRect(event->rect(), QBrush(Qt::white)); - - painter.translate(66, 66); -//! [5] - -//! [6] - painter.save(); - transformPainter(painter); - drawShape(painter); - painter.restore(); -//! [6] - -//! [7] - drawOutline(painter); -//! [7] - -//! [8] - transformPainter(painter); - drawCoordinates(painter); -} -//! [8] - -//! [9] -void RenderArea::drawCoordinates(QPainter &painter) -{ - painter.setPen(Qt::red); - - painter.drawLine(0, 0, 50, 0); - painter.drawLine(48, -2, 50, 0); - painter.drawLine(48, 2, 50, 0); - painter.drawText(60 - xBoundingRect.width() / 2, - 0 + xBoundingRect.height() / 2, tr("x")); - - painter.drawLine(0, 0, 0, 50); - painter.drawLine(-2, 48, 0, 50); - painter.drawLine(2, 48, 0, 50); - painter.drawText(0 - yBoundingRect.width() / 2, - 60 + yBoundingRect.height() / 2, tr("y")); -} -//! [9] - -//! [10] -void RenderArea::drawOutline(QPainter &painter) -{ - painter.setPen(Qt::darkGreen); - painter.setPen(Qt::DashLine); - painter.setBrush(Qt::NoBrush); - painter.drawRect(0, 0, 100, 100); -} -//! [10] - -//! [11] -void RenderArea::drawShape(QPainter &painter) -{ - painter.fillPath(shape, Qt::blue); -} -//! [11] - -//! [12] -void RenderArea::transformPainter(QPainter &painter) -{ - for (int i = 0; i < operations.size(); ++i) { - switch (operations[i]) { - case Translate: - painter.translate(50, 50); - break; - case Scale: - painter.scale(0.75, 0.75); - break; - case Rotate: - painter.rotate(60); - break; - case NoTransformation: - default: - ; - } - } -} -//! [12] |