1 /*
2 * Copyright 2019, 2020 Kai Pastor
3 *
4 * This file is part of OpenOrienteering.
5 *
6 * OpenOrienteering is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * OpenOrienteering is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with OpenOrienteering. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "gdal_template.h"
21
22 #include <QtGlobal>
23 #include <QByteArray>
24 #include <QImageReader>
25 #include <QString>
26
27 #include "gdal/gdal_image_reader.h"
28 #include "gdal/gdal_manager.h"
29
30 namespace OpenOrienteering {
31
32 // static
supportedExtensions()33 const std::vector<QByteArray>& GdalTemplate::supportedExtensions()
34 {
35 return GdalManager().supportedRasterExtensions();
36 }
37
38
GdalTemplate(const QString & path,Map * map)39 GdalTemplate::GdalTemplate(const QString& path, Map* map)
40 : TemplateImage(path, map)
41 {}
42
43 GdalTemplate::GdalTemplate(const GdalTemplate& proto) = default;
44
45 GdalTemplate::~GdalTemplate() = default;
46
duplicate() const47 GdalTemplate* GdalTemplate::duplicate() const
48 {
49 return new GdalTemplate(*this);
50 }
51
getTemplateType() const52 const char* GdalTemplate::getTemplateType() const
53 {
54 return "GdalTemplate";
55 }
56
loadTemplateFileImpl(bool configuring)57 bool GdalTemplate::loadTemplateFileImpl(bool configuring)
58 {
59 GdalImageReader reader(template_path);
60 if (!reader.canRead())
61 {
62 setErrorString(reader.errorString());
63 return false;
64 }
65
66 qDebug("GdalTemplate: Using GDAL driver '%s'", reader.format().constData());
67
68 if (!reader.read(&image))
69 {
70 setErrorString(reader.errorString());
71
72 QImageReader image_reader(template_path);
73 if (image_reader.canRead())
74 {
75 qDebug("GdalTemplate: Falling back to QImageReader, reason: %s", qPrintable(errorString()));
76 if (!image_reader.read(&image))
77 {
78 setErrorString(image_reader.errorString());
79 return false;
80 }
81 }
82 }
83
84 // Duplicated from TemplateImage, for compatibility
85 available_georef = findAvailableGeoreferencing(reader.readGeoTransform());
86 if (!configuring && is_georeferenced)
87 {
88 if (!isGeoreferencingUsable())
89 {
90 // Image was georeferenced, but georeferencing info is gone -> deny to load template
91 setErrorString(::OpenOrienteering::TemplateImage::tr("Georeferencing not found"));
92 return false;
93 }
94
95 calculateGeoreferencing();
96 }
97
98 return true;
99 }
100
101
102 } // namespace OpenOrienteering
103