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-rw-r--r--examples/opengl/qopenglwidget/bubble.cpp99
1 files changed, 0 insertions, 99 deletions
diff --git a/examples/opengl/qopenglwidget/bubble.cpp b/examples/opengl/qopenglwidget/bubble.cpp
deleted file mode 100644
index 3c32b62113..0000000000
--- a/examples/opengl/qopenglwidget/bubble.cpp
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include <QtWidgets>
-
-#include "bubble.h"
-
-Bubble::Bubble(const QPointF &position, qreal radius, const QPointF &velocity)
- : position(position), vel(velocity), radius(radius)
-{
- innerColor = randomColor();
- outerColor = randomColor();
- updateBrush();
-}
-
-//! [0]
-void Bubble::updateCache()
-{
- delete cache;
- cache = new QImage(qRound(radius * 2 + 2), qRound(radius * 2 + 2), QImage::Format_ARGB32_Premultiplied);
- cache->fill(0x00000000);
- QPainter p(cache);
- p.setRenderHint(QPainter::Antialiasing);
- QPen pen(Qt::white);
- pen.setWidth(2);
- p.setPen(pen);
- p.setBrush(brush);
- p.drawEllipse(1, 1, int(2*radius), int(2*radius));
-}
-//! [0]
-
-Bubble::~Bubble()
-{
- delete cache;
-}
-
-void Bubble::updateBrush()
-{
- QRadialGradient gradient(QPointF(radius, radius), radius,
- QPointF(radius*0.5, radius*0.5));
-
- gradient.setColorAt(0, QColor(255, 255, 255, 255));
- gradient.setColorAt(0.25, innerColor);
- gradient.setColorAt(1, outerColor);
- brush = QBrush(gradient);
- updateCache();
-}
-
-//! [1]
-void Bubble::drawBubble(QPainter *painter)
-{
- painter->save();
- painter->translate(position.x() - radius, position.y() - radius);
- painter->setOpacity(0.8);
- painter->drawImage(0, 0, *cache);
- painter->restore();
-}
-//! [1]
-
-QColor Bubble::randomColor()
-{
- int red = int(185 + QRandomGenerator::global()->bounded(70));
- int green = int(185 + QRandomGenerator::global()->bounded(70));
- int blue = int(205 + QRandomGenerator::global()->bounded(50));
- int alpha = int(91 + QRandomGenerator::global()->bounded(100));
-
- return QColor(red, green, blue, alpha);
-}
-
-void Bubble::move(const QRect &bbox)
-{
- position += vel;
- qreal leftOverflow = position.x() - radius - bbox.left();
- qreal rightOverflow = position.x() + radius - bbox.right();
- qreal topOverflow = position.y() - radius - bbox.top();
- qreal bottomOverflow = position.y() + radius - bbox.bottom();
-
- if (leftOverflow < 0.0) {
- position.setX(position.x() - 2 * leftOverflow);
- vel.setX(-vel.x());
- } else if (rightOverflow > 0.0) {
- position.setX(position.x() - 2 * rightOverflow);
- vel.setX(-vel.x());
- }
-
- if (topOverflow < 0.0) {
- position.setY(position.y() - 2 * topOverflow);
- vel.setY(-vel.y());
- } else if (bottomOverflow > 0.0) {
- position.setY(position.y() - 2 * bottomOverflow);
- vel.setY(-vel.y());
- }
-}
-
-QRectF Bubble::rect()
-{
- return QRectF(position.x() - radius, position.y() - radius,
- 2 * radius, 2 * radius);
-}