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Gecko engine for Wine
c176fc94fe
Currently we don't implement transparency at all in BMP images except for an
odd-duck case of BMPs within ICOs.
This patch does the following.
- It implements transparency properly for 16bpp and 32bpp images via bitfield
masking. (For 32bpp images this also requires handling colors via bitfield
masking.) The patch maintains the existing BMP-within-ICO transparency
handling.
- It also reworks BitFields::Value::Set().
* It now works correctly if the run of 1s goes all the way to bit 31 (the
old code didn't set mBitWidth).
* If the mask is 0, will give an mRightShift of 0 (old code gave 32, and
right-shifting by 32 is dodgy).
* It's now easier to read.
- It renames transparent.bmp as transparent-if-within-ico.bmp. Ironically
enough this file currently uses BITFIELDS compression and is WinBMPv5 format,
which means it contains well-specified alpha data. In order to use it to test
the hacky BMP-within-ICO transparency scheme the patch changes it to be
WinBMPv3 format with RGB compression (i.e. no compression). I left the
now-excess bytes (including the bitfields) in the info header in place
because that's allowed -- thanks to the start of the pixel data being
specified by the |dataoffset| field -- they'll just be ignored.
- It tweaks the naming of the relevant gtests and some of their finer details
to work with the new way of doing things.
This fixes all four remaining failures in bmpsuite.
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| accessible | ||
| addon-sdk | ||
| b2g | ||
| browser | ||
| build | ||
| caps | ||
| chrome | ||
| config | ||
| db/sqlite3 | ||
| devtools | ||
| docshell | ||
| dom | ||
| editor | ||
| embedding | ||
| extensions | ||
| gfx | ||
| gradle/wrapper | ||
| hal | ||
| image | ||
| intl | ||
| ipc | ||
| js | ||
| layout | ||
| media | ||
| memory | ||
| mfbt | ||
| mobile | ||
| modules | ||
| mozglue | ||
| netwerk | ||
| nsprpub | ||
| other-licenses | ||
| parser | ||
| probes | ||
| python | ||
| rdf | ||
| security | ||
| services | ||
| startupcache | ||
| storage | ||
| testing | ||
| toolkit | ||
| tools | ||
| uriloader | ||
| view | ||
| webapprt | ||
| widget | ||
| xpcom | ||
| xpfe | ||
| xulrunner | ||
| .clang-format | ||
| .clang-format-ignore | ||
| .eslintrc | ||
| .gdbinit | ||
| .gitignore | ||
| .hgignore | ||
| .hgtags | ||
| .lldbinit | ||
| .ycm_extra_conf.py | ||
| aclocal.m4 | ||
| Android.mk | ||
| AUTHORS | ||
| build.gradle | ||
| client.mk | ||
| client.py | ||
| CLOBBER | ||
| configure.in | ||
| GNUmakefile | ||
| gradlew | ||
| LEGAL | ||
| LICENSE | ||
| mach | ||
| Makefile.in | ||
| moz.build | ||
| mozilla-config.h.in | ||
| README.txt | ||
| settings.gradle | ||
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