diff options
author | 2016-05-19 14:50:29 -0700 | |
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committer | 2016-05-19 14:50:29 -0700 | |
commit | 5878dbdf1b5d86201d299c6e07d53e35048713c7 (patch) | |
tree | 1037af4fb13bda913320414ebd901b8c168a835d /include/core/SkImageFilter.h | |
parent | 57a69dc013b7105a6a535e84588f9aa95397b2ee (diff) |
Image filters: implement SkImage::makeWithFilter().
This API provides a way to directly filter a subregion of an SkImage
(usually texture-backed), and returns an SkImage which may include
extra padding, along with a size to indicate the active region.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1964043002
Review-Url: https://codereview.chromium.org/1964043002
Diffstat (limited to 'include/core/SkImageFilter.h')
-rw-r--r-- | include/core/SkImageFilter.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h index aa9648eb3c..8a1bc4071a 100644 --- a/include/core/SkImageFilter.h +++ b/include/core/SkImageFilter.h @@ -93,7 +93,7 @@ public: }; /** - * Request a new (result) image to be created from the src image. + * Request a new filtered image to be created from the src image. * * The context contains the environment in which the filter is occurring. * It includes the clip bounds, CTM and cache. @@ -101,8 +101,9 @@ public: * Offset is the amount to translate the resulting image relative to the * src when it is drawn. This is an out-param. * - * If the result image cannot be created, return null, in which case - * the offset parameters will be ignored by the caller. + * If the result image cannot be created, or the result would be + * transparent black, return null, in which case the offset parameter + * should be ignored by the caller. * * TODO: Right now the imagefilters sometimes return empty result bitmaps/ * specialimages. That doesn't seem quite right. |