From 163af2cf53d3441b453744b99254c07a175af5de Mon Sep 17 00:00:00 2001 From: Andy Maloney Date: Fri, 2 Jan 2015 09:48:44 -0500 Subject: Add OptimizedWrite & ProgressiveScanWrite options to QImageIOHandler and use for JPEG writing Exposes two options from libjpeg: the optimize option and progressive scan option. These are both lossless operations, so they do not change the image's quality. Using these switches can result in smaller jpeg files. Task-number: QTBUG-20075 Change-Id: I8d0bd6a712b8a365265b7bd517e136b0755b90cb Reviewed-by: Gunnar Sletta Reviewed-by: aavit --- src/gui/image/qimageiohandler.h | 4 +++- 1 file changed, 3 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 3b3c410e0c..1c906436fe 100644 --- a/src/gui/image/qimageiohandler.h +++ b/src/gui/image/qimageiohandler.h @@ -84,7 +84,9 @@ public: Animation, BackgroundColor, ImageFormat, - SupportedSubTypes + SupportedSubTypes, + OptimizedWrite, + ProgressiveScanWrite }; virtual QVariant option(ImageOption option) const; virtual void setOption(ImageOption option, const QVariant &value); -- cgit v1.2.3