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Ben Wagner e9a8238d3c Avoid division by zero when shaping. 
The hb_position is always tracked in 16.16 now, so take direct advantage
of that instead of relying on the ratio of the requested size and size
as known by HarfBuzz. This avoids potential issues with division of zero
by zero when shaping zero sized fonts.

Bug: oss-fuzz:29240
Change-Id: I9715629034008552f88afd4feb1074a11cae15e8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354117
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
2021-01-19 15:53:14 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bazel bazel baby steps 2020-09-14 15:18:32 +00:00
bench Simplify common case for recttorect 2021-01-15 18:37:46 +00:00
bin pull arm64 binary on arm64 Mac/Linux 2021-01-15 19:00:46 +00:00
build/fuchsia [fuchsia] Fix fidlc command. 2020-06-10 03:29:24 +00:00
build_overrides Port to ANGLE's GN files 2020-09-11 15:22:34 +00:00
client_utils/android Replace 'typedef xxxxx INHERITED' with 'using INHERITED = xxxx;'. 2020-09-03 03:41:26 +00:00
demos.skia.org [canvaskit] Remove Sk from nearly all function/type names. 2020-10-07 21:01:32 +00:00
dm Simplify common case for recttorect 2021-01-15 18:37:46 +00:00
docker [canvaskit,pathkit] Update to emsdk 2.0 2020-08-20 14:55:50 +00:00
docs/examples Simplify common case for recttorect 2021-01-15 18:37:46 +00:00
example Reland "Remove use of legacy display globals." 2020-10-05 19:13:58 +00:00
experimental roll gn to latest 2021-01-15 15:34:00 +00:00
fuzz [fuzzing] Add first pass SkParagraph fuzzing. 2020-12-30 19:24:17 +00:00
gm Revert "Test all YUVA image factories with different encoded origins." 2021-01-19 15:47:46 +00:00
gn Enforce ES2 limits on indexing expressions (in runtime effects) 2021-01-15 22:49:27 +00:00
include Add query to test our cached convexity 2021-01-19 14:54:44 +00:00
infra Update SKP version 2021-01-17 06:37:58 +00:00
modules Avoid division by zero when shaping. 2021-01-19 15:53:14 +00:00
platform_tools Add SkSpan support to the Skia LLDB visualizer. 2020-12-22 18:10:12 +00:00
resources Enforce ES2 limits on indexing expressions (in runtime effects) 2021-01-15 22:49:27 +00:00
samplecode Simplify common case for recttorect 2021-01-15 18:37:46 +00:00
site Enforce ES2 limits on indexing expressions (in runtime effects) 2021-01-15 22:49:27 +00:00
specs Fix CanvasKit generated documentation to work with emscripten 1.39.16. 2020-05-27 12:23:32 +00:00
src Revert "Test all YUVA image factories with different encoded origins." 2021-01-19 15:47:46 +00:00
tests Reorder GLSL output so that functions are emitted last. 2021-01-15 23:15:46 +00:00
third_party roll gn to latest 2021-01-15 15:34:00 +00:00
tools Simplify common case for recttorect 2021-01-15 18:37:46 +00:00
.bazelignore bazel baby steps 2020-09-14 15:18:32 +00:00
.clang-format Disable BinPackParameters in .clang-format 2020-03-27 14:32:40 +00:00
.clang-tidy Disable ClangTidy namespace comments for short blocks. 2020-08-24 14:01:22 +00:00
.gitignore bazel baby steps 2020-09-14 15:18:32 +00:00
.gn Pre-emptive fix for upcoming ANGLE change. 2021-01-08 17:23:52 +00:00
AUTHORS Fix issues with latest GN 2020-11-07 13:55:45 +00:00
BUILD.bazel bazel baby steps 2020-09-14 15:18:32 +00:00
BUILD.gn roll gn to latest 2021-01-15 15:34:00 +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 ANGLE from 68635b431b3c to 81430e11c81e (12 revisions) 2021-01-19 05:11:54 +00:00
go.mod Update go.skia.org/infra in go.mod/go.sum 2020-12-21 20:31:07 +00:00
go.sum Update go.skia.org/infra in go.mod/go.sum 2020-12-21 20:31:07 +00:00
LICENSE LICENSE file: clean up 2019-11-22 21:59:03 +00:00
OWNERS add OWNERS file 2017-12-01 19:50:19 +00:00
PRESUBMIT.py Add presubmit check for git conflict markers 2020-12-16 17:51:16 +00:00
public.bzl [canvaskit] Remove custom_embedded_factory from G3 build 2020-12-23 12:59:36 +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
RELEASE_NOTES.txt Deprecate (and ignore) SkAndroidCodec::ExifOrientation 2021-01-15 23:08:46 +00:00
whitespace.txt Whitespace change to re-trigger Mac/iOS tests 2020-02-23 20:55:01 +00:00
WORKSPACE.bazel bazel baby steps 2020-09-14 15:18:32 +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.