diff options
Diffstat (limited to 'src/declarative/qml/qdeclarativeimageprovider.cpp')
| -rw-r--r-- | src/declarative/qml/qdeclarativeimageprovider.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeimageprovider.cpp b/src/declarative/qml/qdeclarativeimageprovider.cpp index f111c201fa..c9b399cc32 100644 --- a/src/declarative/qml/qdeclarativeimageprovider.cpp +++ b/src/declarative/qml/qdeclarativeimageprovider.cpp @@ -159,6 +159,8 @@ public: requestImage() method will be called for all image requests. \value Pixmap The Image Provider provides QPixmap images. The requestPixmap() method will be called for all image requests. + \value Texture The Image Provider provides QSGTextureProvider based images. + The requestTexture() method will be called for all image requests. \omitvalue */ /*! @@ -243,5 +245,36 @@ QPixmap QDeclarativeImageProvider::requestPixmap(const QString &id, QSize *size, return QPixmap(); } + +/*! + Implement this method to return the texture with \a id. The default + implementation returns 0. + + The \a id is the requested image source, with the "image:" scheme and + provider identifier removed. For example, if the image \l{Image::}{source} + was "image://myprovider/icons/home", the given \a id would be "icons/home". + + The \a requestedSize corresponds to the \l {Image::sourceSize} requested by + an Image element. If \a requestedSize is a valid size, the image + returned should be of that size. + + In all cases, \a size must be set to the original size of the image. This + is used to set the \l {Item::}{width} and \l {Item::}{height} of the + relevant \l Image if these values have not been set explicitly. + + \note this method may be called by multiple threads, so ensure the + implementation of this method is reentrant. +*/ + +QSGTexture *QDeclarativeImageProvider::requestTexture(const QString &id, QSize *size, const QSize &requestedSize) +{ + Q_UNUSED(id); + Q_UNUSED(size); + Q_UNUSED(requestedSize); + if (d->type == Texture) + qWarning("ImageProvider supports Texture type but has not implemented requestTexture()"); + return 0; +} + QT_END_NAMESPACE |