From ba323b04cd78fb43e9e63b891e973d24b08250af Mon Sep 17 00:00:00 2001 From: Allan Sandfeld Jensen Date: Mon, 4 May 2015 13:32:32 +0200 Subject: Optionally apply orientation on QImage read Make it possible to read images with EXIF orientation automatically applied. This was originally implemented without opt-out in Qt 5.4, but reverted. Here it is implemented as opt-in for JPEG, and opt-out for TIFF to keep behavioral consistency. The EXIF support for JPEG was written by Rainer Keller. [ChangeLog][QtGui][Image plugins] An option has been added to QImageReader to enable automatic application of EXIF orientation. This behavior was default in Qt 5.4.1, but reverted in Qt 5.4.2. Task-number: QTBUG-37946 Task-number: QTBUG-43563 Task-number: QTBUG-45552 Task-number: QTBUG-45865 Change-Id: Iaafd2519b63ede66ecc1f8aa4c7118081312b8f5 Reviewed-by: Gunnar Sletta --- src/gui/image/qimageiohandler.h | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'src/gui/image/qimageiohandler.h') diff --git a/src/gui/image/qimageiohandler.h b/src/gui/image/qimageiohandler.h index b48226f619..80cd87c4c3 100644 --- a/src/gui/image/qimageiohandler.h +++ b/src/gui/image/qimageiohandler.h @@ -86,8 +86,25 @@ public: ImageFormat, SupportedSubTypes, OptimizedWrite, - ProgressiveScanWrite + ProgressiveScanWrite, + ImageTransformation +#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) + , TransformedByDefault +#endif }; + + enum Transformation { + TransformationNone = 0, + TransformationMirror = 1, + TransformationFlip = 2, + TransformationRotate180 = TransformationMirror | TransformationFlip, + TransformationRotate90 = 4, + TransformationMirrorAndRotate90 = TransformationMirror | TransformationRotate90, + TransformationFlipAndRotate90 = TransformationFlip | TransformationRotate90, + TransformationRotate270 = TransformationRotate180 | TransformationRotate90 + }; + Q_DECLARE_FLAGS(Transformations, Transformation) + virtual QVariant option(ImageOption option) const; virtual void setOption(ImageOption option, const QVariant &value); virtual bool supportsOption(ImageOption option) const; -- cgit v1.2.3