kimageformats/src/imageformats/util_p.h
2024-07-21 04:52:18 +00:00

63 lines
2.0 KiB
C++

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