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Diffstat (limited to 'src/declarative/graphicsitems/qmlgraphicsborderimage.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qmlgraphicsborderimage.cpp | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicsborderimage.cpp b/src/declarative/graphicsitems/qmlgraphicsborderimage.cpp deleted file mode 100644 index 25a220f..0000000 --- a/src/declarative/graphicsitems/qmlgraphicsborderimage.cpp +++ /dev/null @@ -1,408 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qmlgraphicsborderimage_p.h" -#include "qmlgraphicsborderimage_p_p.h" - -#include <qmlengine.h> - -#include <QNetworkRequest> -#include <QNetworkReply> -#include <QFile> - -QT_BEGIN_NAMESPACE - -/*! - \qmlclass BorderImage QmlGraphicsBorderImage - \brief The BorderImage element provides an image that can be used as a border. - \inherits Item - \since 4.7 - - \snippet snippets/declarative/border-image.qml 0 - - \image BorderImage.png - */ - -/*! - \class QmlGraphicsBorderImage BorderImage - \internal - \brief The QmlGraphicsBorderImage class provides an image item that you can add to a QmlView. -*/ - -QmlGraphicsBorderImage::QmlGraphicsBorderImage(QmlGraphicsItem *parent) - : QmlGraphicsImageBase(*(new QmlGraphicsBorderImagePrivate), parent) -{ -} - -QmlGraphicsBorderImage::~QmlGraphicsBorderImage() -{ - Q_D(QmlGraphicsBorderImage); - if (d->sciReply) - d->sciReply->deleteLater(); - if (d->sciPendingPixmapCache) - QmlPixmapCache::cancel(d->sciurl, this); -} -/*! - \qmlproperty enum BorderImage::status - - This property holds the status of image loading. It can be one of: - \list - \o Null - no image has been set - \o Ready - the image has been loaded - \o Loading - the image is currently being loaded - \o Error - an error occurred while loading the image - \endlist - - \sa progress -*/ - -/*! - \qmlproperty real BorderImage::progress - - This property holds the progress of image loading, from 0.0 (nothing loaded) - to 1.0 (finished). - - \sa status -*/ - -/*! - \qmlproperty bool BorderImage::smooth - - Set this property if you want the image to be smoothly filtered when scaled or - transformed. Smooth filtering gives better visual quality, but is slower. If - the image is displayed at its natural size, this property has no visual or - performance effect. - - \note Generally scaling artifacts are only visible if the image is stationary on - the screen. A common pattern when animating an image is to disable smooth - filtering at the beginning of the animation and reenable it at the conclusion. -*/ - -/*! - \qmlproperty url BorderImage::source - - BorderImage can handle any image format supported by Qt, loaded from any URL scheme supported by Qt. - - It can also handle .sci files, which are a Qml-specific format. A .sci file uses a simple text-based format that specifies - the borders, the image file and the tile rules. - - The following .sci file sets the borders to 10 on each side for the image \c picture.png: - \qml - border.left: 10 - border.top: 10 - border.bottom: 10 - border.right: 10 - source: picture.png - \endqml - - The URL may be absolute, or relative to the URL of the component. -*/ - -static QString toLocalFileOrQrc(const QUrl& url) -{ - QString r = url.toLocalFile(); - if (r.isEmpty() && url.scheme() == QLatin1String("qrc")) - r = QLatin1Char(':') + url.path(); - return r; -} - - -void QmlGraphicsBorderImage::setSource(const QUrl &url) -{ - Q_D(QmlGraphicsBorderImage); - //equality is fairly expensive, so we bypass for simple, common case - if ((d->url.isEmpty() == url.isEmpty()) && url == d->url) - return; - - if (d->sciReply) { - d->sciReply->deleteLater(); - d->sciReply = 0; - } - - if (d->pendingPixmapCache) { - QmlPixmapCache::cancel(d->url, this); - d->pendingPixmapCache = false; - } - if (d->sciPendingPixmapCache) { - QmlPixmapCache::cancel(d->sciurl, this); - d->sciPendingPixmapCache = false; - } - - d->url = url; - d->sciurl = QUrl(); - if (d->progress != 0.0) { - d->progress = 0.0; - emit progressChanged(d->progress); - } - - if (url.isEmpty()) { - d->pix = QPixmap(); - d->status = Null; - setImplicitWidth(0); - setImplicitHeight(0); - emit statusChanged(d->status); - emit sourceChanged(d->url); - update(); - } else { - d->status = Loading; - if (d->url.path().endsWith(QLatin1String(".sci"))) { -#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML - QString lf = toLocalFileOrQrc(d->url); - if (!lf.isEmpty()) { - QFile file(lf); - file.open(QIODevice::ReadOnly); - setGridScaledImage(QmlGraphicsGridScaledImage(&file)); - } else -#endif - { - QNetworkRequest req(d->url); - d->sciReply = qmlEngine(this)->networkAccessManager()->get(req); - QObject::connect(d->sciReply, SIGNAL(finished()), - this, SLOT(sciRequestFinished())); - } - } else { - QmlPixmapReply::Status status = QmlPixmapCache::get(d->url, &d->pix); - if (status != QmlPixmapReply::Ready && status != QmlPixmapReply::Error) { - QmlPixmapReply *reply = QmlPixmapCache::request(qmlEngine(this), d->url); - d->pendingPixmapCache = true; - connect(reply, SIGNAL(finished()), this, SLOT(requestFinished())); - connect(reply, SIGNAL(downloadProgress(qint64,qint64)), - this, SLOT(requestProgress(qint64,qint64))); - } else { - //### should be unified with requestFinished - setImplicitWidth(d->pix.width()); - setImplicitHeight(d->pix.height()); - - if (d->pix.isNull()) - d->status = Error; - if (d->status == Loading) - d->status = Ready; - d->progress = 1.0; - emit statusChanged(d->status); - emit sourceChanged(d->url); - emit progressChanged(d->progress); - update(); - } - } - } - - emit statusChanged(d->status); -} - -/*! - \qmlproperty int BorderImage::border.left - \qmlproperty int BorderImage::border.right - \qmlproperty int BorderImage::border.top - \qmlproperty int BorderImage::border.bottom - - \target ImagexmlpropertiesscaleGrid - - The 4 border lines (2 horizontal and 2 vertical) break an image into 9 sections, as shown below: - - \image declarative-scalegrid.png - - When the image is scaled: - \list - \i the corners (sections 1, 3, 7, and 9) are not scaled at all - \i the middle (section 5) is scaled according to BorderImage::horizontalTileMode and BorderImage::verticalTileMode - \i sections 2 and 8 are scaled according to BorderImage::horizontalTileMode - \i sections 4 and 6 are scaled according to BorderImage::verticalTileMode - \endlist - - Each border line (left, right, top, and bottom) specifies an offset from the respective side. For example, \c{border.bottom: 10} sets the bottom line 10 pixels up from the bottom of the image. - - The border lines can also be specified using a - \l {BorderImage::source}{.sci file}. -*/ - -QmlGraphicsScaleGrid *QmlGraphicsBorderImage::border() -{ - Q_D(QmlGraphicsBorderImage); - return d->getScaleGrid(); -} - -/*! - \qmlproperty TileMode BorderImage::horizontalTileMode - \qmlproperty TileMode BorderImage::verticalTileMode - - This property describes how to repeat or stretch the middle parts of the border image. - - \list - \o Stretch - Scale the image to fit to the available area. - \o Repeat - Tile the image until there is no more space. May crop the last image. - \o Round - Like Repeat, but scales the images down to ensure that the last image is not cropped. - \endlist -*/ -QmlGraphicsBorderImage::TileMode QmlGraphicsBorderImage::horizontalTileMode() const -{ - Q_D(const QmlGraphicsBorderImage); - return d->horizontalTileMode; -} - -void QmlGraphicsBorderImage::setHorizontalTileMode(TileMode t) -{ - Q_D(QmlGraphicsBorderImage); - if (t != d->horizontalTileMode) { - d->horizontalTileMode = t; - emit horizontalTileModeChanged(); - update(); - } -} - -QmlGraphicsBorderImage::TileMode QmlGraphicsBorderImage::verticalTileMode() const -{ - Q_D(const QmlGraphicsBorderImage); - return d->verticalTileMode; -} - -void QmlGraphicsBorderImage::setVerticalTileMode(TileMode t) -{ - Q_D(QmlGraphicsBorderImage); - if (t != d->verticalTileMode) { - d->verticalTileMode = t; - emit verticalTileModeChanged(); - update(); - } -} - -void QmlGraphicsBorderImage::setGridScaledImage(const QmlGraphicsGridScaledImage& sci) -{ - Q_D(QmlGraphicsBorderImage); - if (!sci.isValid()) { - d->status = Error; - emit statusChanged(d->status); - } else { - QmlGraphicsScaleGrid *sg = border(); - sg->setTop(sci.gridTop()); - sg->setBottom(sci.gridBottom()); - sg->setLeft(sci.gridLeft()); - sg->setRight(sci.gridRight()); - d->horizontalTileMode = sci.horizontalTileRule(); - d->verticalTileMode = sci.verticalTileRule(); - - d->sciurl = d->url.resolved(QUrl(sci.pixmapUrl())); - QmlPixmapReply::Status status = QmlPixmapCache::get(d->sciurl, &d->pix); - if (status != QmlPixmapReply::Ready && status != QmlPixmapReply::Error) { - QmlPixmapReply *reply = QmlPixmapCache::request(qmlEngine(this), d->sciurl); - d->sciPendingPixmapCache = true; - connect(reply, SIGNAL(finished()), this, SLOT(requestFinished())); - connect(reply, SIGNAL(downloadProgress(qint64,qint64)), - this, SLOT(requestProgress(qint64,qint64))); - } else { - //### should be unified with requestFinished - setImplicitWidth(d->pix.width()); - setImplicitHeight(d->pix.height()); - - if (d->pix.isNull()) - d->status = Error; - if (d->status == Loading) - d->status = Ready; - d->progress = 1.0; - emit statusChanged(d->status); - emit sourceChanged(d->url); - emit progressChanged(1.0); - update(); - } - } -} - -void QmlGraphicsBorderImage::requestFinished() -{ - Q_D(QmlGraphicsBorderImage); - - if (d->url.path().endsWith(QLatin1String(".sci"))) { - d->sciPendingPixmapCache = false; - QmlPixmapCache::get(d->sciurl, &d->pix); - } else { - d->pendingPixmapCache = false; - if (QmlPixmapCache::get(d->url, &d->pix) != QmlPixmapReply::Ready) - d->status = Error; - } - setImplicitWidth(d->pix.width()); - setImplicitHeight(d->pix.height()); - - if (d->status == Loading) - d->status = Ready; - d->progress = 1.0; - emit statusChanged(d->status); - emit sourceChanged(d->url); - emit progressChanged(1.0); - update(); -} - -void QmlGraphicsBorderImage::sciRequestFinished() -{ - Q_D(QmlGraphicsBorderImage); - if (d->sciReply->error() != QNetworkReply::NoError) { - d->status = Error; - d->sciReply->deleteLater(); - d->sciReply = 0; - emit statusChanged(d->status); - } else { - QmlGraphicsGridScaledImage sci(d->sciReply); - d->sciReply->deleteLater(); - d->sciReply = 0; - setGridScaledImage(sci); - } -} - -void QmlGraphicsBorderImage::paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *) -{ - Q_D(QmlGraphicsBorderImage); - if (d->pix.isNull()) - return; - - bool oldAA = p->testRenderHint(QPainter::Antialiasing); - bool oldSmooth = p->testRenderHint(QPainter::SmoothPixmapTransform); - if (d->smooth) - p->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform, d->smooth); - - const QmlGraphicsScaleGrid *border = d->getScaleGrid(); - QMargins margins(border->left(), border->top(), border->right(), border->bottom()); - QTileRules rules((Qt::TileRule)d->horizontalTileMode, (Qt::TileRule)d->verticalTileMode); - qDrawBorderPixmap(p, QRect(0, 0, (int)d->width, (int)d->height), margins, d->pix, d->pix.rect(), margins, rules); - if (d->smooth) { - p->setRenderHint(QPainter::Antialiasing, oldAA); - p->setRenderHint(QPainter::SmoothPixmapTransform, oldSmooth); - } -} - -QT_END_NAMESPACE |