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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "icongizmoimageprovider.h"
namespace QmlDesigner {
namespace Internal {
IconGizmoImageProvider::IconGizmoImageProvider()
: QQuickImageProvider(QQuickImageProvider::Image)
{
}
QImage IconGizmoImageProvider::requestImage(const QString &id,
[[maybe_unused]] QSize *size,
[[maybe_unused]] const QSize &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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