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Robert Phillips be852e44ef Revert "add getAlphaf() to pixmap/bitmap" 
This reverts commit f3ebd312f2.

Reason for revert: unhappy bots

Original change's description:
> add getAlphaf() to pixmap/bitmap
> 
> Convenient for just extracting alpha (and more efficient than getColor()) and
> works for super-normal formats w/o loss of precision.
> 
> Somewhat inspired by examining multiple chrome call-sites for getColor(), where
> chrome only really cared about the alpha. This new method runs about twice
> as fast as getColor() for the simple cases (i.e. no colorspace xforms), and
> even faster in the complex cases (since retrieving alpha doesn't care about
> colorspaces).
> 
> Bug: skia:
> Change-Id: I7cd5a2c7f78de781aaa69dd1aa0dba3c532fcb73
> Reviewed-on: https://skia-review.googlesource.com/155606
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Mike Klein <mtklein@google.com>

TBR=mtklein@google.com,reed@google.com

Change-Id: I82ce00c09d16bf3e9b04f1c1bccd8cc6aa706ab2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/156000
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2018-09-20 19:48:08 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bench Revert "add getAlphaf() to pixmap/bitmap" 2018-09-20 19:48:08 +00:00
bin Add script to pull svgs to svgs/ and add to .gitignore 2018-08-31 20:02:24 +00:00
dm SkDocument: Factories now located in SkPDFDocument.h and SkXPSDocument.h 2018-09-20 18:21:07 +00:00
docker Use new build targets in continuous build of skottie and debugger. 2018-09-20 15:26:18 +00:00
docs fix bookmaker 2018-09-18 11:58:35 +00:00
example Compile with GCC 7.2.0. 2018-03-13 22:18:18 +00:00
experimental [PathKit] Move from experimental to modules 2018-08-31 14:18:16 +00:00
fuzz SkDocument: Factories now located in SkPDFDocument.h and SkXPSDocument.h 2018-09-20 18:21:07 +00:00
gm [skottie] GM exercising external font loading 2018-09-20 19:05:35 +00:00
gn SkDocument: Factories now located in SkPDFDocument.h and SkXPSDocument.h 2018-09-20 18:21:07 +00:00
include Revert "add getAlphaf() to pixmap/bitmap" 2018-09-20 19:48:08 +00:00
infra add a bot that oughta fail 2018-09-20 14:39:02 +00:00
modules [skottie] GM exercising external font loading 2018-09-20 19:05:35 +00:00
platform_tools [skottie] Plumb external SkFontMgr 2018-08-23 13:13:30 +00:00
resources [skottie] GM exercising external font loading 2018-09-20 19:05:35 +00:00
samplecode test,tools: whitespace changes for clang-format 2018-09-19 17:50:51 +00:00
site SkDocument: Factories now located in SkPDFDocument.h and SkXPSDocument.h 2018-09-20 18:21:07 +00:00
src Revert "add getAlphaf() to pixmap/bitmap" 2018-09-20 19:48:08 +00:00
tests Revert "add getAlphaf() to pixmap/bitmap" 2018-09-20 19:48:08 +00:00
third_party Revert "always optimize third_party code" 2018-09-19 19:55:58 +00:00
tools SkDocument: Factories now located in SkPDFDocument.h and SkXPSDocument.h 2018-09-20 18:21:07 +00:00
.clang-format Update .clang-format to handle Objective-C files 2018-07-27 21:33:30 +00:00
.gitignore Add script to pull svgs to svgs/ and add to .gitignore 2018-08-31 20:02:24 +00:00
.gn Basic standalone GN configs. 2016-07-21 12:25:45 -07:00
AUTHORS Fixed SkVertices crashing on Windows DLL builds 2018-04-22 14:42:01 +00:00
BUILD.gn [skottie] GM exercising external font loading 2018-09-20 19:05:35 +00:00
codereview.settings Make uploading to Gerrit the default for Skia 2016-11-09 19:07:56 +00:00
CONTRIBUTING Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
CQ_COMMITTERS Moved committer list to chrome-infra-auth and deleted it from the repo 2015-09-02 13:37:54 -07:00
DEPS Roll third_party/externals/angle2 d511948b9f82..52ea49706fd7 (1 commits) 2018-09-20 17:19:21 +00:00
Doxyfile Make the housekeeper upload doxygen to a newer bucket 2016-10-04 13:23:57 -07:00
LICENSE BUG=skia:5602 2016-09-02 11:19:34 -07:00
OWNERS add OWNERS file 2017-12-01 19:50:19 +00:00
PRESUBMIT.py Add new autoroll service accounts to AUTHORS check bypass 2018-09-07 18:49:23 +00:00
public.bzl SkDocument: Factories now located in SkPDFDocument.h and SkXPSDocument.h 2018-09-20 18:21:07 +00:00
README Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
README.chromium Update README.chromium. 2015-06-11 13:19:24 -07:00
whitespace.txt [infra] Marker for IntelBayTrail BIOS update. 2018-09-17 16:47:35 +00:00

README 

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

See full details, and build instructions, at https://skia.org.