File indexing completed on 2024-05-05 04:33:15

0001 /*
0002     SPDX-FileCopyrightText: 2004-2018 Gilles Caulier <caulier dot gilles at gmail dot com>
0003     SPDX-FileCopyrightText: 2004-2005 Renchi Raju <renchi dot raju at gmail dot com>
0004     SPDX-FileCopyrightText: 2004-2005 Jesper K. Pedersen <blackie at kde dot org>
0005     SPDX-FileCopyrightText: 2004-2005 Aurelien Gateau <aurelien dot gateau at free dot fr>
0006 
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 
0010 #ifndef KIPI_IMAGEINFO_H
0011 #define KIPI_IMAGEINFO_H
0012 
0013 // Qt includes
0014 
0015 #include <QString>
0016 #include <QDateTime>
0017 #include <QMap>
0018 #include <QVariant>
0019 #include <QUrl>
0020 
0021 // Local includes
0022 
0023 #include "libkipi_export.h"
0024 
0025 namespace KIPI
0026 {
0027 
0028 class ImageInfoShared;
0029 
0030 /** @class ImageInfo imageinfo.h <KIPI/ImageInfo>
0031     Holds info about an image from KIPI host application.
0032 
0033     @note If you want to manage item properties from kipi-plugins, use wrapper class KIPIPlugins::KPImageInfo,
0034     not this class directly. See kipi-plugins/common/libkipi-plugins API for details.
0035 
0036     @note This class must be re-implemented in KIPI host application through KIPI::ImageInfoShared. This implementation
0037     must be thread-safe, due to possible use into kipi plugins separated thread implementation in the future.
0038  */
0039 class LIBKIPI_EXPORT ImageInfo
0040 {
0041 
0042 public:
0043 
0044     /** Constructor and interface for host application.
0045      */
0046     ImageInfo(ImageInfoShared* const);
0047     ImageInfo(const ImageInfo&);
0048     ~ImageInfo();
0049 
0050     /**
0051         Returns a Map of attributes of the image.
0052         In case the host application supports some special attributes of the image,
0053         this function can be used to return them. Following attributes are supported:
0054 
0055       <table><tr>
0056             <th>ATTRIBUTES</th>
0057             <th>VALUE RETURNED</th>
0058             <th>COMMENTS</th>
0059         </tr><tr>
0060             <th>"name"</th>
0061             <td>QString</td>
0062             <td>Returns name of item (usually file name).</td>
0063         </tr><tr>
0064             <th>"comment"</th>
0065             <td>QString</td>
0066             <td>Returns default item comment.</td>
0067         </tr><tr>
0068             <th>"date"</th>
0069             <td>QDateTime</td>
0070             <td>Returns date of item (usually the creation date). In the case the application supports date ranges (like this image is from 1998-2000), this attribute always return the start of date range.</td>
0071         </tr><tr>
0072             <th>"dateto"</th>
0073             <td>QDateTime</td>
0074             <td>In the case the application supports date ranges (like this image is from 1998-2000), this attribute returns the end of date range.</td>
0075         </tr><tr>
0076             <th>"isexactdate"</th>
0077             <td>bool value</td>
0078             <td>In the case the application supports date ranges (like this image is from 1998-2000), this attribute returns true if the date is an exact specification, and thus not a range.</td>
0079         </tr><tr>
0080             <th>"orientation"</th>
0081             <td>integer value</td>
0082             <td>Returns orientation information. See ExifOrientation values for details).</td>
0083         </tr><tr>
0084             <th>"title"</th>
0085             <td>QString</td>
0086             <td>Returns default item title.</td>
0087         </tr><tr>
0088             <th>"rating"</th>
0089             <td>integer value</td>
0090             <td>Returns item starts 0 <= rate <= 5).</td>
0091         </tr><tr>
0092             <th>"colorlabel"</th>
0093             <td>integer value</td>
0094             <td>Return item color flag 0 <= colorlabel <= 10.</td>
0095         </tr><tr>
0096             <th>"picklabel"</th>
0097             <td>integer value</td>
0098             <td>Return item workflow flag 0 <= picklabel <= 4.</td>
0099         </tr><tr>
0100             <th>"latitude"</th>
0101             <td>double value</td>
0102             <td>Return item latitude in degrees (-90.0 >= lat <=90.0).</td>
0103         </tr><tr>
0104             <th>"longitude"</th>
0105             <td>double value</td>
0106             <td>Return item longitude in degrees (-180.0 >= long <=180.0).</td>
0107         </tr><tr>
0108             <th>"altitude"</th>
0109             <td>double value</td>
0110             <td>Return item altitude in meters.</td>
0111         </tr><tr>
0112             <th>"tagspath"</th>
0113             <td>QStringList</td>
0114             <td>Return all tags path list of item, formatted as "Country/France/City/Paris" for ex.</td>
0115         </tr><tr>
0116             <th>"keywords"</th>
0117             <td>QStringList</td>
0118             <td>Return all tags name list (without path).</td>
0119         </tr><tr>
0120             <th>"filesize"</th>
0121             <td>qlonglong value</td>
0122             <td>Return item file size in bytes.</td>
0123         </tr><tr>
0124             <th>"creators"</th>
0125             <td>QStringList</td>
0126             <td>Return creators list of item.</td>
0127         </tr><tr>
0128             <th>"credit"</th>
0129             <td>QString</td>
0130             <td>Return credit of item.</td>
0131         </tr><tr>
0132             <th>"rights"</th>
0133             <td>QString</td>
0134             <td>Return rights of item.</td>
0135         </tr><tr>
0136             <th>"source"</th>
0137             <td>QString</td>
0138             <td>Return source of item.</td>
0139         </tr><tr>
0140             <th>"tags"</th>
0141             <td>QStringList</td>
0142             <td>For compatibility. DEPRECATED and replaced by "keywords" attribute.</td>
0143         </tr><tr>
0144             <th>"angle"</th>
0145             <td>integer value</td>
0146             <td>For compatibility. DEPRECATED and replaced by "orientation" attribute.</td>
0147       </tr></table>
0148     */
0149     QMap<QString, QVariant> attributes() const;
0150 
0151     /** Set the attributes defined from the map to the image. Following keys/values are the same the attributes(),
0152      *  excepted "keywords", "filesize", and "isexactdate" properties which are read-only values.
0153     */
0154     void addAttributes(const QMap<QString, QVariant>&);
0155 
0156     /** Remove attributes listed from the image. Following values can be used:
0157 
0158       <table><tr>
0159             <th>ATTRIBUTES</th>
0160             <th>COMMENTS</th>
0161         </tr><tr>
0162             <th>"comment"</th>
0163             <td>Remove all comments.</td>
0164         </tr><tr>
0165             <th>"date"</th>
0166             <td>Remove date info.</td>
0167         </tr><tr>
0168             <th>"orientation"</th>
0169             <td>Remove orientation info.</td>
0170         </tr><tr>
0171             <th>"title"</th>
0172             <td>Remove all titles.</td>
0173         </tr><tr>
0174             <th>"rating"</th>
0175             <td>Remove rating info.</td>
0176         </tr><tr>
0177             <th>"colorlabel"</th>
0178             <td>Remove color labels info.</td>
0179         </tr><tr>
0180             <th>"picklabel"</th>
0181             <td>Remove pick labels info.</td>
0182         </tr><tr>
0183             <th>"gpslocation"</th>
0184             <td>Return item altitude in meters.</td>
0185         </tr><tr>
0186             <th>"tagspath"</th>
0187             <td>Remove all tags path.</td>
0188         </tr><tr>
0189             <th>"copyrights"</th>
0190             <td>Remove all copyrights info.</td>
0191         </tr><tr>
0192             <th>"tags"</th>
0193             <td>For compatibility. DEPRECATED and replaced by "keywords" attribute.</td>
0194         </tr><tr>
0195             <th>"angle"</th>
0196             <td>For compatibility. DEPRECATED and replaced by "orientation" attribute.</td>
0197       </tr></table>
0198     */
0199     void delAttributes(const QStringList&);
0200 
0201     /** Remove all attribute from the image. See delAttributes() for list of all attributes removed.
0202      */
0203     void clearAttributes();
0204 
0205     /** Copies all the attributes from the other imageinfo.
0206     */
0207     void cloneData(const ImageInfo& other);
0208 
0209     /** Return item URL.
0210     */
0211     QUrl url() const;
0212 
0213 private:
0214 
0215     ImageInfo();                            /// Disable
0216     ImageInfo& operator=(const ImageInfo&); /// Disable
0217 
0218 private:
0219 
0220     mutable ImageInfoShared* d;
0221 };
0222 
0223 } // namespace KIPI
0224 
0225 #endif /* KIPI_IMAGEINFO_H */