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* Fix Adobe RGB color space in SkiaGravatar Brian Osman2017-12-20
| | | | | | | | | | | | | | | | Our runtime definition of the XYZ matrix was fairly inaccurate. It also didn't round-trip through ICC fixed point correctly. Now, constructing the color space at runtime produces exactly the same matrix as constructing the space from the ICC profile. And the values can then be serialized back to ICC exactly. This eliminates the need for the snapping logic, too. Bug: skia: Change-Id: I69f4a9bfec3eeef153935e21ab3a0630794b1607 Reviewed-on: https://skia-review.googlesource.com/84840 Reviewed-by: Brian Osman <brianosman@google.com> Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Brian Osman <brianosman@google.com>
* Avoid interpolating color lut with less than 2 pointsGravatar Matt Sarett2017-05-05
| | | | | | | | Bug: 717935 Change-Id: Ibf15b815891eef5a0239bc408bcbfe7c8b1507c5 Reviewed-on: https://skia-review.googlesource.com/15301 Commit-Queue: Matt Sarett <msarett@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org>
* Reject non-D50 matrices from ICC profilesGravatar Matt Sarett2016-10-31
| | | | | | | | | | | | BUG:660838 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4200 Change-Id: Ib57eb3705d6fe638e3a9cb56788937fc7e282847 Reviewed-on: https://skia-review.googlesource.com/4200 Commit-Queue: Matt Sarett <msarett@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com>
* Refactored SkColorSpace and added in a Lab PCS GMGravatar raftias2016-10-18
| | | | | | | | | | | | | | | | | | | | The refactoring breaks off A2B0 tag support into a separate subclass of SkColorSpace_Base, while keeping the current (besides CLUT) functionality in a XYZTRC subclass. ICC profile loading is now aware of this and creates the A2B0 subclass when SkColorSpace::NewICC() is called on a profile in need of the A2B0 functionality. The LabPCSDemo GM loads a .icc profile containing a LAB PCS and then runs a Lab->XYZ conversion on an image using it so we can display it and test out the A2B0 SkColorSpace functionality, sans a/b/m-curves, as well as the Lab->XYZ conversion code. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2389983002 Review-Url: https://codereview.chromium.org/2389983002
* Fix various SkColorSpace bugsGravatar msarett2016-07-29
(1) Fixes serialization/deserialization of wacky SkColorSpaces (2) Fix gamma equals checking BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2194903002 Review-Url: https://codereview.chromium.org/2194903002