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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "icongizmoimageprovider.h"
namespace QmlDesigner {
namespace Internal {
IconGizmoImageProvider::IconGizmoImageProvider()
: QQuickImageProvider(QQuickImageProvider::Image)
{
}
QImage IconGizmoImageProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize)
{
Q_UNUSED(size)
Q_UNUSED(requestedSize)
// id format: <file name>:<color name>
QStringList parts = id.split(':');
if (parts.size() == 2) {
QImage image(QStringLiteral("://qtquickplugin/mockfiles/images/%1").arg(parts[0]));
// Recolorize non-transparent image pixels
QColor targetColor(parts[1]);
int r = targetColor.red();
int g = targetColor.green();
int b = targetColor.blue();
int size = image.sizeInBytes();
uchar *byte = image.bits();
for (int i = 0; i < size; i += 4) {
// Skip if alpha is zero
if (*(byte + 3) != 0) {
// Average between target color and current color
*byte = uchar((int(*byte) + b) / 2);
++byte;
*byte = uchar((int(*byte) + g) / 2);
++byte;
*byte = uchar((int(*byte) + r) / 2);
++byte;
// Preserve alpha
++byte;
} else {
byte += 4;
}
}
return image;
} else {
return {};
}
}
}
}
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