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Eirik Aavitsland 1d128ed1df Fix artifacts when reading certain 32 bit ico files
Images in an ico file contains transparency information stored as a 1
bit mask. However, when the depth is 32 bit, it means there is an
alpha channel present, and the mask should be ignored. The Qt ico
handler failed to do that. This has gone unnoticed, since the mask in
such images is typically set to all 0s, and so makes no difference to
the result. But ico files exist that contain junk mask data, so fix
the reader to ignore it properly.

Fixes: QTBUG-75214
Change-Id: I1b4456d71689ec783076a582f2fb215e7dc56e62
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
2019-04-25 06:07:13 +00:00
bin syncqt: Fix resolution of injected headers for external modules 2019-04-23 09:09:33 +00:00
config.tests x86: Disable AVX support on 64-bit MinGW 2019-02-06 08:11:29 +00:00
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examples Examples: properly parse more than one element in maps and lists 2019-03-22 02:08:02 +00:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs configure: Support the = prefix for -I and -L 2019-04-23 09:09:37 +00:00
qmake Doc: Document qmake's plugin_bundle CONFIG value 2019-04-24 08:53:12 +00:00
src Fix artifacts when reading certain 32 bit ico files 2019-04-25 06:07:13 +00:00
tests Fix aliased painting with non-uniform scaling 2019-04-25 06:07:00 +00:00
util Remove broken code from unicode generator 2019-03-18 15:17:10 +00:00
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config_help.txt configure: improve warning when all qpa plugins disabled with features.gui 2019-01-07 07:27:35 +00:00
configure configure: Treat win32-clang-g++ the same as win32-g++ 2018-10-10 04:10:40 +00:00
configure.bat Configure: simplify logic 2019-03-14 12:13:58 +00:00
configure.json configure: enable inline tests to contain auxiliary files 2018-12-19 19:22:06 +00:00
configure.pri Fix detection of QMAKE_DEFAULT{INC|LIB}DIRS for gcc cross-builds 2019-03-24 07:23:32 +00:00
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header.MIT qsimd: add support for new x86 CPU features 2018-05-05 06:20:07 +00:00
INSTALL INSTALL: Remove outdated reference to Windows CE 2019-02-13 13:01:57 +00:00
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sync.profile Fix build failed with ANGLE 2018-10-16 05:19:43 +00:00