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-rw-r--r--src/widgets/effects/qpixmapfilter.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/widgets/effects/qpixmapfilter.cpp b/src/widgets/effects/qpixmapfilter.cpp
index 6f618b8914..e4e409a542 100644
--- a/src/widgets/effects/qpixmapfilter.cpp
+++ b/src/widgets/effects/qpixmapfilter.cpp
@@ -705,7 +705,8 @@ void expblur(QImage &img, qreal radius, bool improvedQuality = false, int transp
Q_ASSERT(img.format() == QImage::Format_ARGB32_Premultiplied
|| img.format() == QImage::Format_RGB32
- || img.format() == QImage::Format_Indexed8);
+ || img.format() == QImage::Format_Indexed8
+ || img.format() == QImage::Format_Grayscale8);
// choose the alpha such that pixels at radius distance from a fully
// saturated pixel will have an alpha component of no greater than
@@ -780,7 +781,7 @@ Q_WIDGETS_EXPORT QImage qt_halfScaled(const QImage &source)
QImage srcImage = source;
- if (source.format() == QImage::Format_Indexed8) {
+ if (source.format() == QImage::Format_Indexed8 || source.format() == QImage::Format_Grayscale8) {
// assumes grayscale
QImage dest(source.width() / 2, source.height() / 2, srcImage.format());
@@ -890,7 +891,7 @@ Q_WIDGETS_EXPORT void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius,
Q_WIDGETS_EXPORT void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed = 0)
{
- if (blurImage.format() == QImage::Format_Indexed8)
+ if (blurImage.format() == QImage::Format_Indexed8 || blurImage.format() == QImage::Format_Grayscale8)
expblur<12, 10, true>(blurImage, radius, quality, transposed);
else
expblur<12, 10, false>(blurImage, radius, quality, transposed);