MailJDTourDownloadDocsQualityTestsCoverage

Which source lines and branches the tests execute. Lines 91.5 %, branches 75.0 % (minimum 85 % and 72 %). main @ 399ffe3d · 21 October 2026 · pipeline 7238.

GCC Code Coverage Report

Directory: src/
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 87.3% 165 / 0 / 189
Functions: 100.0% 17 / 0 / 17
Branches: 72.3% 211 / 0 / 292
presentation/ContactPhotoProvider.cpp
Line Branch Exec Source
1 #include "ContactPhotoProvider.h"
2
3 #include "data/ContactQueries.h"
4 #include "data/ContactStore.h"
5 #include "data/VCardCodec.h"
6 #include "util/RasterImageFormat.h"
7
8 #include <QBuffer>
9 #include <QCoreApplication>
10 #include <QImageReader>
11 #include <QLoggingCategory>
12 #include <QMutexLocker>
13 #include <QPainter>
14 #include <QPainterPath>
15 #include <QUrl>
16
17
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 14 Q_LOGGING_CATEGORY(lcContactPhoto, "mailjd.contacts.photo")
18
19 namespace {
20
21 class PhotoResponse final : public QQuickImageResponse {
22 public:
23 2300 QQuickTextureFactory *textureFactory() const override { return QQuickTextureFactory::textureFactoryForImage(m_image); }
24 2497 void finish(const QImage &image) {
25 2497 m_image = image;
26 2497 emit finished();
27 2497 }
28
29 private:
30 QImage m_image;
31 };
32
33 2497 int sideFor(const QSize &requested) {
34 2497 const int side = qMax(requested.width(), requested.height());
35
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 2497 return side > 0 ? qMin(side, 512) : 128;
36 }
37
38 } // namespace
39
40
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 765 ContactPhotoProvider::ContactPhotoProvider(QString databasePath) : m_databasePath(std::move(databasePath)) {
41
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 765 m_pool.setMaxThreadCount(1);
42 765 }
43
44 1530 ContactPhotoProvider::~ContactPhotoProvider() { m_pool.waitForDone(); }
45
46 451 QImage ContactPhotoProvider::decode(const QByteArray &bytes, int side) {
47
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 451 QBuffer buffer;
48
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 451 buffer.setData(bytes);
49
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 451 QImageReader reader(&buffer);
50
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 451 reader.setAllocationLimit(AllocationLimitMiB);
51
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 451 if (!RasterImageFormat::accept(reader)) {
52
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 10 qCInfo(lcContactPhoto) << "Photo refused: format" << reader.format();
53 5 return {};
54 }
55
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 446 const QSize size = reader.size();
56
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 446 if (!size.isValid() || size.width() > MaxDimension || size.height() > MaxDimension) {
57
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 2 qCInfo(lcContactPhoto) << "Photo refused: size" << size << "format" << reader.format();
58 1 return {};
59 }
60 // Scale the shorter edge to `side` — only ever down (S106-309: scaling up
61 // with KeepAspectRatioByExpanding turned a 4096×1 image into 2097152×512,
62 // about 4 GiB) — then the centre square, scaled to side×side.
63 445 side = qBound(1, side, MaxDimension);
64 445 const QSize scaled = size.scaled(side, side, Qt::KeepAspectRatioByExpanding);
65
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 445 if (scaled.width() <= size.width() && scaled.height() <= size.height())
66
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 441 reader.setScaledSize(scaled);
67
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 445 const QImage image = reader.read();
68
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 445 if (image.isNull()) {
69 ✗ qCInfo(lcContactPhoto) << "Photo not decodable:" << reader.errorString();
70 ✗ return {};
71 }
72
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 445 const int edge = qMin(image.width(), image.height());
73
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 445 QImage centre = image.copy((image.width() - edge) / 2, (image.height() - edge) / 2, edge, edge);
74
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 445 if (edge != side)
75
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 4 centre = centre.scaled(side, side, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
76 // Clipped to a circle (transparent corners), so QML needs no mask effect.
77
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 445 QImage round(side, side, QImage::Format_ARGB32_Premultiplied);
78
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 445 round.fill(Qt::transparent);
79
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 445 QPainter painter(&round);
80
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 445 painter.setRenderHint(QPainter::Antialiasing);
81 445 QPainterPath circle;
82
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 445 circle.addEllipse(QRectF(0, 0, side, side));
83
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 445 painter.setClipPath(circle);
84
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 445 painter.drawImage(QPoint(0, 0), centre);
85 445 return round;
86 451 }
87
88 namespace {
89
90 // The upright image of `bytes` within the limits, scaled to fit `maxSide`
91 // (0 = full size).
92 10 QImage readUpright(const QByteArray &bytes, int maxSide, QString *error) {
93
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 10 QBuffer buffer;
94
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 10 buffer.setData(bytes);
95
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 10 QImageReader reader(&buffer);
96
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 10 reader.setAllocationLimit(ContactPhotoProvider::AllocationLimitMiB);
97
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 10 reader.setAutoTransform(true);
98
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 10 if (!RasterImageFormat::accept(reader)) {
99
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 1 if (error)
100
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 1 *error = QCoreApplication::translate("ContactPhotoProvider", "This file is not a picture MailJD can read.");
101 1 return {};
102 }
103
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 9 const QSize size = reader.size();
104
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 18 if (!size.isValid() || size.width() > ContactPhotoProvider::MaxDimension ||
105 9 size.height() > ContactPhotoProvider::MaxDimension) {
106 ✗ if (error)
107 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "Choose a picture of at most 4096 × 4096 pixels.");
108 ✗ return {};
109 }
110
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 9 if (maxSide > 0 && qMax(size.width(), size.height()) > maxSide)
111
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 1 reader.setScaledSize(size.scaled(maxSide, maxSide, Qt::KeepAspectRatio));
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 9 QImage image = reader.read();
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 9 if (image.isNull() && error)
114 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "This file is not a picture MailJD can read.");
115 9 return image;
116 10 }
117
118 // At most CardJpegBytes: lower quality first, then (S106-311: a noise image
119 // stays above the limit at quality 40) a smaller square; empty when even a
120 // small one does not fit.
121 8 QByteArray cardJpeg(const QImage &square) {
122 8 constexpr qsizetype CardJpegBytes = 64 * 1024;
123
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 8 QImage current = square;
124
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 8 while (current.width() >= 32) {
125
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 8 for (int quality = 85; quality >= 40; quality -= 15) {
126 ✗ QByteArray jpeg;
127
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 8 QBuffer out(&jpeg);
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 8 out.open(QIODevice::WriteOnly);
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 8 current.save(&out, "JPEG", quality);
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 8 if (jpeg.size() <= CardJpegBytes)
131 8 return jpeg;
132 8 }
133 ✗ current = current.scaled(current.width() / 2, current.height() / 2, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
134 }
135 ✗ qCWarning(lcContactPhoto) << "Photo refused: no JPEG of at most 64 KiB";
136 ✗ return {};
137 8 }
138
139 } // namespace
140
141 7 QByteArray ContactPhotoProvider::prepareForCard(const QByteArray &bytes, QString *error) {
142
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 7 QBuffer buffer;
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 7 buffer.setData(bytes);
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 7 QImageReader reader(&buffer);
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 7 reader.setAllocationLimit(AllocationLimitMiB);
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 7 reader.setAutoTransform(true);
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 7 if (!RasterImageFormat::accept(reader)) {
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 4 if (error)
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 4 *error = QCoreApplication::translate("ContactPhotoProvider", "This file is not a picture MailJD can read.");
150 4 return {};
151 }
152
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 3 const QSize size = reader.size();
153
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 3 if (!size.isValid() || size.width() > MaxDimension || size.height() > MaxDimension) {
154 ✗ if (error)
155 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "Choose a picture of at most 4096 × 4096 pixels.");
156 ✗ return {};
157 }
158 3 const int side = qMin(256, qMin(size.width(), size.height()));
159
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 3 reader.setScaledSize(size.scaled(side, side, Qt::KeepAspectRatioByExpanding));
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 3 const QImage image = reader.read();
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 3 if (image.isNull()) {
162 ✗ if (error)
163 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "This file is not a picture MailJD can read.");
164 ✗ return {};
165 }
166
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 3 const QImage square = image.copy((image.width() - side) / 2, (image.height() - side) / 2, side, side)
167
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 3 .convertToFormat(QImage::Format_RGB32);
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 3 const QByteArray jpeg = cardJpeg(square);
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 3 if (jpeg.isEmpty() && error)
170 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "This image cannot be used.");
171
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 6 qCInfo(lcContactPhoto) << "Photo prepared:" << side << "px," << jpeg.size() << "bytes";
172 3 return jpeg;
173 7 }
174
175
176 4 QImage ContactPhotoProvider::preview(const QByteArray &bytes, int maxSide, QString *error) {
177 4 return readUpright(bytes, maxSide, error);
178 }
179
180 6 QByteArray ContactPhotoProvider::cropForCard(const QByteArray &bytes, const QRectF &crop, QString *error) {
181
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 6 const QImage image = readUpright(bytes, 0, error);
182
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 6 if (image.isNull())
183 1 return {};
184 // The framer's square in pixels of the upright image, kept inside it.
185
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 10 QRect area(qRound(crop.x() * image.width()), qRound(crop.y() * image.height()),
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 15 qRound(crop.width() * image.width()), qRound(crop.height() * image.height()));
187
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 5 area = area.intersected(image.rect());
188 5 const int side = qMin(area.width(), area.height());
189
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 5 if (side < 8) {
190 ✗ if (error)
191 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "This image cannot be used.");
192 ✗ return {};
193 }
194
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 5 const QImage square = image.copy(area.x(), area.y(), side, side)
195
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 10 .scaled(qMin(256, side), qMin(256, side), Qt::IgnoreAspectRatio, Qt::SmoothTransformation)
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 5 .convertToFormat(QImage::Format_RGB32);
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 5 const QByteArray jpeg = cardJpeg(square);
198
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 5 if (jpeg.isEmpty() && error)
199 ✗ *error = QCoreApplication::translate("ContactPhotoProvider", "This image cannot be used.");
200
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 10 qCInfo(lcContactPhoto) << "Photo framed:" << square.width() << "px," << jpeg.size() << "bytes";
201 5 return jpeg;
202 6 }
203
204 486 QImage ContactPhotoProvider::load(const QString &databasePath, const QString &cardKey, int side) {
205 486 qint64 bookId = 0;
206 486 QString uid;
207
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 486 if (!ContactQueries::splitKey(cardKey, &bookId, &uid))
208 1 return {};
209
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 485 ContactStore store;
210
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 485 if (!store.open(databasePath))
211 ✗ return {};
212
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 485 const auto stored = store.card(bookId, uid);
213
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 485 if (!stored)
214 ✗ return {};
215
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 485 ContactCard card;
216
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 485 if (!VCardCodec::parse(stored->raw, &card))
217 ✗ return {};
218 // D-15: a URI photo is shown only once ContactPhotoFetch fetched it from
219 // the book's own origin.
220
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 485 if (card.photo.kind == ContactPhoto::Kind::Uri)
221
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 2 return decode(store.fetchedPhoto(bookId, uid), side);
222
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 483 return card.photo.kind == ContactPhoto::Kind::Inline ? decode(card.photo.data, side) : QImage();
223 486 }
224
225 2497 QQuickImageResponse *ContactPhotoProvider::requestImageResponse(const QString &encodedId, const QSize &requestedSize) {
226 // QML passes "<encodeURIComponent(cardKey)>/<encoded photo tag>": UIDs
227 // may contain any character; the tag changes with the photo.
228 2497 const int tagAt = encodedId.indexOf(QLatin1Char('/'));
229
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 2497 const QString id = QUrl::fromPercentEncoding(encodedId.left(tagAt).toUtf8());
230
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 2497 const QString tag = tagAt >= 0 ? encodedId.mid(tagAt + 1) : QString();
231
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 2497 auto *response = new PhotoResponse;
232
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 2497 const int side = sideFor(requestedSize);
233
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 2497 const QString cacheKey = id + QLatin1Char('@') + QString::number(side) + QLatin1Char('#') + tag;
234 {
235 2497 QMutexLocker lock(&m_mutex);
236
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 2497 if (const QImage *cached = m_cache.object(cacheKey)) {
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 2016 const QImage image = *cached;
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 4032 QMetaObject::invokeMethod(response, [response, image] { response->finish(image); }, Qt::QueuedConnection);
239 2016 return response;
240 2016 }
241 2497 }
242 // Qt's image-response pattern: the engine keeps the response alive until
243 // finished() (emitted from the worker; the engine's connection is queued).
244 481 const QString path = m_databasePath;
245
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 481 m_pool.start([this, response, path, id, side, cacheKey] {
246
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 481 const QImage image = load(path, id, side);
247 {
248 481 QMutexLocker lock(&m_mutex);
249
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 481 m_cache.insert(cacheKey, new QImage(image));
250 481 }
251
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 481 response->finish(image);
252 481 });
253 481 return response;
254 2497 }
255
256 42 void ContactPhotoProvider::invalidate(const QStringList &cardKeys) {
257 42 QMutexLocker lock(&m_mutex);
258
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 369 for (const QString &key : m_cache.keys())
259
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 654 for (const QString &card : cardKeys)
260
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 327 if (key.startsWith(card + QLatin1Char('@')))
261 64 m_cache.remove(key);
262 42 }
263