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openSUSE:Leap:15.5:Update
libqt5-qtsvg.29651
0021-Clamp-parsed-doubles-to-float-representabl...
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File 0021-Clamp-parsed-doubles-to-float-representable-values.patch of Package libqt5-qtsvg.29651
From 202cf31c73023ef0dd792dc19c3fe16d0f5ced88 Mon Sep 17 00:00:00 2001 From: Allan Sandfeld Jensen <allan.jensen@qt.io> Date: Thu, 4 Mar 2021 14:28:48 +0100 Subject: [PATCH 21/21] Clamp parsed doubles to float representable values MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Parts of our rendering assumes incoming doubles can still be sane floats. Fixes: QTBUG-91507 Change-Id: I7086a121e1b5ed47695a1251ea90e774dd8f148d Reviewed-by: Robert Löhning <robert.loehning@qt.io> Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io> Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> (cherry picked from commit bfd6ee0d8cf34b63d32adf10ed93daa0086b359f) (cherry picked from commit 9311a42677db244cd1c584f27270fa73f69d90d7) --- src/svg/qsvghandler.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp index 73e8fb7..08ee781 100644 --- a/src/svg/qsvghandler.cpp +++ b/src/svg/qsvghandler.cpp @@ -672,7 +672,8 @@ static qreal toDouble(const QChar *&str) val = -val; } else { val = QByteArray::fromRawData(temp, pos).toDouble(); - if (std::fpclassify(val) != FP_NORMAL) + // Do not tolerate values too wild to be represented normally by floats + if (std::fpclassify(float(val)) != FP_NORMAL) val = 0; } return val; @@ -3042,6 +3043,8 @@ static QSvgStyleProperty *createRadialGradientNode(QSvgNode *node, ncy = toDouble(cy); if (!r.isEmpty()) nr = toDouble(r); + if (nr < 0.5) + nr = 0.5; qreal nfx = ncx; if (!fx.isEmpty()) -- 2.20.1
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