diff options
Diffstat (limited to 'src/quick/util/qquickpixmapcache.cpp')
| -rw-r--r-- | src/quick/util/qquickpixmapcache.cpp | 114 |
1 files changed, 85 insertions, 29 deletions
diff --git a/src/quick/util/qquickpixmapcache.cpp b/src/quick/util/qquickpixmapcache.cpp index f403615d83..9ecdbc1846 100644 --- a/src/quick/util/qquickpixmapcache.cpp +++ b/src/quick/util/qquickpixmapcache.cpp @@ -328,6 +328,7 @@ public: QQuickImageProviderOptions::AutoTransform appliedTransform; QColorSpace targetColorSpace; + QIODevice *specialDevice = nullptr; QQuickTextureFactory *textureFactory; QIntrusiveList<QQuickPixmap, &QQuickPixmap::dataListNode> declarativePixmaps; @@ -895,40 +896,54 @@ void QQuickPixmapReader::processJob(QQuickPixmapReply *runningJob, const QUrl &u QImage image; QQuickPixmapReply::ReadError errorCode = QQuickPixmapReply::NoError; QString errorStr; - QFile f(existingImageFileForPath(localFile)); QSize readSize; - if (f.open(QIODevice::ReadOnly)) { - QSGTextureReader texReader(&f, localFile); - if (backendSupport()->hasOpenGL && texReader.isTexture()) { - QQuickTextureFactory *factory = texReader.read(); - if (factory) { - readSize = factory->textureSize(); + + if (runningJob->data && runningJob->data->specialDevice) { + int frameCount; + int const frame = runningJob->data ? runningJob->data->frame : 0; + if (!readImage(url, runningJob->data->specialDevice, &image, &errorStr, &readSize, &frameCount, + runningJob->requestRegion, runningJob->requestSize, + runningJob->providerOptions, nullptr, frame)) { + errorCode = QQuickPixmapReply::Loading; + } else if (runningJob->data) { + runningJob->data->frameCount = frameCount; + } + } else { + QFile f(existingImageFileForPath(localFile)); + if (f.open(QIODevice::ReadOnly)) { + QSGTextureReader texReader(&f, localFile); + if (backendSupport()->hasOpenGL && texReader.isTexture()) { + QQuickTextureFactory *factory = texReader.read(); + if (factory) { + readSize = factory->textureSize(); + } else { + errorStr = QQuickPixmap::tr("Error decoding: %1").arg(url.toString()); + if (f.fileName() != localFile) + errorStr += QString::fromLatin1(" (%1)").arg(f.fileName()); + errorCode = QQuickPixmapReply::Decoding; + } + mutex.lock(); + if (!cancelled.contains(runningJob)) + runningJob->postReply(errorCode, errorStr, readSize, factory); + mutex.unlock(); + return; } else { - errorStr = QQuickPixmap::tr("Error decoding: %1").arg(url.toString()); - if (f.fileName() != localFile) - errorStr += QString::fromLatin1(" (%1)").arg(f.fileName()); - errorCode = QQuickPixmapReply::Decoding; + int frameCount; + int const frame = runningJob->data ? runningJob->data->frame : 0; + if (!readImage(url, &f, &image, &errorStr, &readSize, &frameCount, + runningJob->requestRegion, runningJob->requestSize, + runningJob->providerOptions, nullptr, frame)) { + errorCode = QQuickPixmapReply::Loading; + if (f.fileName() != localFile) + errorStr += QString::fromLatin1(" (%1)").arg(f.fileName()); + } else if (runningJob->data) { + runningJob->data->frameCount = frameCount; + } } - mutex.lock(); - if (!cancelled.contains(runningJob)) - runningJob->postReply(errorCode, errorStr, readSize, factory); - mutex.unlock(); - return; } else { - int frameCount; - int const frame = runningJob->data ? runningJob->data->frame : 0; - if (!readImage(url, &f, &image, &errorStr, &readSize, &frameCount, runningJob->requestRegion, runningJob->requestSize, - runningJob->providerOptions, nullptr, frame)) { - errorCode = QQuickPixmapReply::Loading; - if (f.fileName() != localFile) - errorStr += QString::fromLatin1(" (%1)").arg(f.fileName()); - } else if (runningJob->data) { - runningJob->data->frameCount = frameCount; - } + errorStr = QQuickPixmap::tr("Cannot open: %1").arg(url.toString()); + errorCode = QQuickPixmapReply::Loading; } - } else { - errorStr = QQuickPixmap::tr("Cannot open: %1").arg(url.toString()); - errorCode = QQuickPixmapReply::Loading; } mutex.lock(); if (!cancelled.contains(runningJob)) @@ -1738,6 +1753,47 @@ void QQuickPixmap::load(QQmlEngine *engine, const QUrl &url, const QRect &reques } } +/*! \internal + Attempts to load an image from the given \a url via the given \a device. + This is for special cases when the QImageIOHandler can benefit from reusing + the I/O device, or from something extra that a subclass of QIODevice + carries with it. So far, this code doesn't support loading anything other + than a QImage, for example compressed textures. It can be added if needed. +*/ +void QQuickPixmap::loadImageFromDevice(QQmlEngine *engine, QIODevice *device, const QUrl &url, + const QRect &requestRegion, const QSize &requestSize, + const QQuickImageProviderOptions &providerOptions, int frame, int frameCount) +{ + auto oldD = d; + QQuickPixmapKey key = { &url, &requestRegion, &requestSize, frame, providerOptions }; + QQuickPixmapStore *store = pixmapStore(); + QHash<QQuickPixmapKey, QQuickPixmapData *>::Iterator iter = store->m_cache.end(); + iter = store->m_cache.find(key); + if (iter == store->m_cache.end()) { + if (!engine) + return; + + d = new QQuickPixmapData(this, url, requestRegion, requestSize, providerOptions, + QQuickImageProviderOptions::UsePluginDefaultTransform, frame, frameCount); + d->specialDevice = device; + d->addToCache(); + + QQuickPixmapReader::readerMutex.lock(); + d->reply = QQuickPixmapReader::instance(engine)->getImage(d); + if (oldD) { + QObject::connect(d->reply, &QQuickPixmapReply::finished, [oldD, this]() { + oldD->declarativePixmaps.remove(this); + oldD->release(); + }); + } + QQuickPixmapReader::readerMutex.unlock(); + } else { + d = *iter; + d->addref(); + d->declarativePixmaps.insert(this); + } +} + void QQuickPixmap::clear() { if (d) { |