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Diffstat (limited to 'src/imports/sharedimage/sharedimageprovider.cpp')
| -rw-r--r-- | src/imports/sharedimage/sharedimageprovider.cpp | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/src/imports/sharedimage/sharedimageprovider.cpp b/src/imports/sharedimage/sharedimageprovider.cpp deleted file mode 100644 index aad6ea3b78..0000000000 --- a/src/imports/sharedimage/sharedimageprovider.cpp +++ /dev/null @@ -1,160 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <sharedimageprovider.h> -#include <qsharedimageloader_p.h> -#include <private/qquickpixmapcache_p.h> -#include <private/qimage_p.h> -#include <QImageReader> -#include <QFileInfo> -#include <QDir> - -Q_DECLARE_METATYPE(QQuickImageProviderOptions) - -class QuickSharedImageLoader : public QSharedImageLoader -{ - Q_OBJECT - friend class SharedImageProvider; - -public: - enum ImageParameter { - OriginalSize = 0, - RequestedSize, - ProviderOptions, - NumImageParameters - }; - - QuickSharedImageLoader(QObject *parent = nullptr) - : QSharedImageLoader(parent) - { - } - -protected: - QImage loadFile(const QString &path, ImageParameters *params) override - { - QImageReader imgio(path); - QSize realSize = imgio.size(); - QSize requestSize; - QQuickImageProviderOptions options; - if (params) { - requestSize = params->value(RequestedSize).toSize(); - options = params->value(ProviderOptions).value<QQuickImageProviderOptions>(); - } - - QSize scSize = QQuickImageProviderWithOptions::loadSize(imgio.size(), requestSize, imgio.format(), options); - - if (scSize.isValid()) - imgio.setScaledSize(scSize); - - QImage image; - if (imgio.read(&image)) { - if (realSize.isEmpty()) - realSize = image.size(); - // Make sure we have acceptable format for texture uploader, or it will convert & lose sharing - // This mimics the testing & conversion normally done by the quick pixmapcache & texturefactory - if (image.format() != QImage::Format_RGB32 && image.format() != QImage::Format_ARGB32_Premultiplied) { - QImage::Format newFmt = QImage::Format_RGB32; - if (image.hasAlphaChannel() && image.data_ptr()->checkForAlphaPixels()) - newFmt = QImage::Format_ARGB32_Premultiplied; - qCDebug(lcSharedImage) << "Convert on load from format" << image.format() << "to" << newFmt; - image = image.convertToFormat(newFmt); - } - } - - if (params && params->count() > OriginalSize) - params->replace(OriginalSize, realSize); - - return image; - } - - QString key(const QString &path, ImageParameters *params) override - { - QSize reqSz; - QQuickImageProviderOptions opts; - if (params) { - reqSz = params->value(RequestedSize).toSize(); - opts = params->value(ProviderOptions).value<QQuickImageProviderOptions>(); - } - if (!reqSz.isValid()) - return path; - int aspect = opts.preserveAspectRatioCrop() || opts.preserveAspectRatioFit() ? 1 : 0; - - QString key = path + QStringLiteral("_%1x%2_%3").arg(reqSz.width()).arg(reqSz.height()).arg(aspect); - qCDebug(lcSharedImage) << "KEY:" << key; - return key; - } -}; - - -SharedImageProvider::SharedImageProvider() - : QQuickImageProviderWithOptions(QQuickImageProvider::Image), loader(new QuickSharedImageLoader) -{ -} - -QImage SharedImageProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options) -{ - QFileInfo fi(QDir::root(), id); - QString path = fi.canonicalFilePath(); - if (path.isEmpty()) - return QImage(); - - QSharedImageLoader::ImageParameters params(QuickSharedImageLoader::NumImageParameters); - params[QuickSharedImageLoader::RequestedSize].setValue(requestedSize); - params[QuickSharedImageLoader::ProviderOptions].setValue(options); - - QImage img = loader->load(path, ¶ms); - if (img.isNull()) { - // May be sharing problem, fall back to normal local load - img = loader->loadFile(path, ¶ms); - if (!img.isNull()) - qCWarning(lcSharedImage) << "Sharing problem; loading" << id << "unshared"; - } - - //... QSize realSize = params.value(QSharedImageLoader::OriginalSize).toSize(); - // quickpixmapcache's readImage() reports back the original size, prior to requestedSize scaling, in the *size - // parameter. That value is currently ignored by quick however, which only cares about the present size of the - // returned image. So handling and sharing of info on pre-scaled size is currently not implemented. - if (size) { - *size = img.size(); - } - - return img; -} - -#include "sharedimageprovider.moc" |