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senorblanco c834ab178e Fix gaussian blur for small sigma.
I broke this in https://skia.googlesource.com/skia/+/c57e0ded7d535523cfc6bf07c78e5f3479bb8c42.
That change added support for cropping during blur, but
did not do the correct thing for the small-sigma 2D matrix convolution
optimization when blurring from small-to-large textures.

The fix is pass the correct dstRect and srcOffset to convolve_gaussian_2d.
I also changed convolve_gaussian_1d() and convolve_gaussian_2d() to take
the original (non-negated) srcOffset, and to negate them when constructing
the local matrix.

Test: added a new (blur 0.3 0.3) column to imagefilterscropexpand, so that
GM will have to be rebaselined.

BUG=skia:4719,569883
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1529313003

Review URL: https://codereview.chromium.org/1529313003
2015-12-17 08:10:17 -08:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bench Remove Subset*Benches 2015-12-16 10:21:44 -08:00
bin bin/sync-and-gyp: sh->py (make more cross-platform) 2015-11-09 08:28:13 -08:00
cmake Update CMakeLists.txt to exclude SkFontConfigInterface_direct_*. 2015-12-01 14:26:28 -05:00
debugger default SkPixelSerializer 2015-12-10 12:40:23 -08:00
dm Add option to control maximum GrBatch lookback 2015-12-14 12:13:09 -08:00
example Create a standalone example for using Skia with SDL 2015-11-13 11:22:19 -08:00
experimental Remove unused CallStacker 2015-12-10 11:28:01 -08:00
forth Sanitizing source files in Skia_Periodic_House_Keeping 2013-01-26 07:06:02 +00:00
gm Fix gaussian blur for small sigma. 2015-12-17 08:10:17 -08:00
gyp Revert of Add config options to run different GPU APIs to dm and nanobench (patchset #12 id:220001 of https://codereview.chromium.org/1490113005/ ) 2015-12-14 05:58:25 -08:00
include remove obsolete ondrawsprite base virtual 2015-12-16 14:25:30 -08:00
infra Add iOS compile bot to the CQ 2015-12-04 10:19:21 -08:00
platform_tools adb_wait_for_device: More fixes 2015-12-15 04:25:39 -08:00
resources demo tweaks, scale up perlin, add call to flush for fps 2015-11-09 13:10:30 -08:00
samplecode Switch SkAutoMalloc to SkAutoTMalloc to avoid cast 2015-12-10 10:44:13 -08:00
site Documentation: HarfBuzz link 2015-12-14 10:03:31 -08:00
src Fix gaussian blur for small sigma. 2015-12-17 08:10:17 -08:00
tests Revert of Add test for previously unflattenables (patchset #1 id:1 of https://codereview.chromium.org/1514373003/ ) 2015-12-16 14:17:58 -08:00
third_party Generate a table of config->glformat info. Precursor to lifting this to caps. 2015-12-16 11:51:22 -08:00
tools Add VisualBench switch to extra_config 2015-12-16 12:54:19 -08:00
.gitignore android/apps: Add CanvasProof App; 2015-09-23 12:40:34 -07:00
AUTHORS use malloc/calloc/free instead of moz_malloc/moz_calloc/moz_free in ports/SkMemory_mozalloc.cpp 2015-11-23 10:30:14 -08:00
BUILD.public Revert of In BUILD.public, enable SK_SUPPORT_LEGACY_HAIR_IGNORES_CAPS. (patchset #1 id:1 of https://codereview.chromium.org/1516863007/ ) 2015-12-15 07:13:21 -08:00
codereview.settings Automatically add a docs preview link and NOTRY=true when there are only docs changes. 2015-02-26 10:16:13 -08:00
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 Cherry pick one more commit into libjpeg-turbo 2015-11-24 07:14:35 -08:00
Doxyfile Documentation: SkCanvas API 2015-05-19 10:21:29 -07:00
gyp_skia Support SKIA_OUT on Mac and ChromeOS 2015-05-04 08:04:28 -07:00
gyp_skia.py Roll gyp deps from 1765 to 1796. 2013-11-21 18:11:14 +00:00
LICENSE Include resources directory in google3 sync. 2015-10-20 13:00:48 -07:00
make.bat Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
make.py GYP: remove stale skia_scalar gyp variable 2015-11-10 13:25:12 -05:00
Makefile Remove experimental/PdfViewer 2015-08-04 14:08:44 -07:00
OWNERS add root files from chrome 2013-08-13 19:11:15 +00:00
PRESUBMIT.py Add link to Gold trybot runs in every uploaded Skia CL 2015-12-15 06:23:33 -08:00
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
skia.gyp Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
SKP_VERSION Update SKP version 2015-12-13 00:31:51 -08:00
whitespace.txt Whitespace change to trigger bots after gsutil change 2015-11-24 11:36:09 -08:00

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

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