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73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2022 Albert Astals Cid <aacid@kde.org>
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SPDX-FileCopyrightText: 2022 Mirco Miranda <mircomir@outlook.com>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#ifndef UTIL_P_H
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#define UTIL_P_H
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#include <limits>
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#include <QImage>
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#include <QImageIOHandler>
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// Image metadata keys to use in plugins (so they are consistent)
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#define META_KEY_ALTITUDE "Altitude"
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#define META_KEY_AUTHOR "Author"
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#define META_KEY_COMMENT "Comment"
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#define META_KEY_COPYRIGHT "Copyright"
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#define META_KEY_CREATIONDATE "CreationDate"
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#define META_KEY_DESCRIPTION "Description"
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#define META_KEY_DOCUMENTNAME "DocumentName"
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#define META_KEY_HOSTCOMPUTER "HostComputer"
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#define META_KEY_LATITUDE "Latitude"
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#define META_KEY_LONGITUDE "Longitude"
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#define META_KEY_MODIFICATIONDATE "ModificationDate"
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#define META_KEY_OWNER "Owner"
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#define META_KEY_SOFTWARE "Software"
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#define META_KEY_TITLE "Title"
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#define META_KEY_XML_GIMP "XML:org.gimp.xml"
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#define META_KEY_XMP_ADOBE "XML:com.adobe.xmp"
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// Camera info metadata keys
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#define META_KEY_MANUFACTURER "Manufacturer"
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#define META_KEY_MODEL "Model"
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#define META_KEY_SERIALNUMBER "SerialNumber"
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// Lens info metadata keys
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#define META_KEY_LENS_MANUFACTURER "LensManufacturer"
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#define META_KEY_LENS_MODEL "LensModel"
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#define META_KEY_LENS_SERIALNUMBER "LensSerialNumber"
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// QList uses some extra space for stuff, hence the 32 here suggested by Thiago Macieira
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static constexpr int kMaxQVectorSize = std::numeric_limits<int>::max() - 32;
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// On Qt 6 to make the plugins fail to allocate if the image size is greater than QImageReader::allocationLimit()
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// it is necessary to allocate the image with QImageIOHandler::allocateImage().
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inline QImage imageAlloc(const QSize &size, const QImage::Format &format)
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{
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QImage img;
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if (!QImageIOHandler::allocateImage(size, format, &img)) {
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img = QImage(); // paranoia
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}
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return img;
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}
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inline QImage imageAlloc(qint32 width, qint32 height, const QImage::Format &format)
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{
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return imageAlloc(QSize(width, height), format);
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}
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inline double qRoundOrZero(double d)
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{
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// If the value d is outside the range of int, the behavior is undefined.
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if (d > std::numeric_limits<int>::max()) {
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return 0;
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}
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return qRound(d);
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}
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#endif // UTIL_P_H
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