add drawImageNine

add drawImageNine
this also exposes nine-patch drawing directly to devices, and creates a shared iterator for unrolling a nine-patch into single rect->rect draws.

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/4c21dc5ddf3b482293ed34eead876d8d61a662c3

[reed1, 2015-06-25 02:11:32]

reed@google.com changed reviewers:
+ bsalomon@google.com, djsollen@google.com, jvanverth@google.com,
robertphillips@google.com

[reed1, 2015-06-25 02:11:33]

Sky noted we didn't have a nine-patch version of images...

note: time to GPUize both ninepatchers (now exposed to the device)

Derek: time to compare this behavior w/ android's

[reed1, 2015-06-25 02:11:42]

The CQ bit was checked by reed@google.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-25 02:11:53]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1211583003/60001

[reed1, 2015-06-25 02:12:26]

The CQ bit was unchecked by reed@google.com

[reed1, 2015-06-25 02:37:50]

The CQ bit was checked by reed@google.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-25 02:38:02]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1211583003/80001

[reed1, 2015-06-25 02:41:30]

The CQ bit was unchecked by reed@google.com

[robertphillips, 2015-06-25 15:53:22]

lgtm + nits

https://codereview.chromium.org/1211583003/diff/80001/include/core/SkPicture.h
File include/core/SkPicture.h (right):

https://codereview.chromium.org/1211583003/diff/80001/include/core/SkPicture....
include/core/SkPicture.h:178: // V43: Added DRAW_IMAGE and DRAW_IMAGE_RECT opt
codes to serialized data
opt or op codes ?

https://codereview.chromium.org/1211583003/diff/80001/samplecode/SampleAtlas.cpp
File samplecode/SampleAtlas.cpp (right):

https://codereview.chromium.org/1211583003/diff/80001/samplecode/SampleAtlas....
samplecode/SampleAtlas.cpp:70: if (fCenter.fY > bounds.bottom()) {
??

https://codereview.chromium.org/1211583003/diff/80001/src/core/SkNinePatchIter.h
File src/core/SkNinePatchIter.h (right):

https://codereview.chromium.org/1211583003/diff/80001/src/core/SkNinePatchIte...
src/core/SkNinePatchIter.h:16: /**
dissect ?
iterator -> series ?

[reed1, 2015-06-25 19:12:29]

https://codereview.chromium.org/1211583003/diff/80001/include/core/SkPicture.h
File include/core/SkPicture.h (right):

https://codereview.chromium.org/1211583003/diff/80001/include/core/SkPicture....
include/core/SkPicture.h:178: // V43: Added DRAW_IMAGE and DRAW_IMAGE_RECT opt
codes to serialized data
On 2015/06/25 15:53:21, robertphillips wrote:
> opt or op codes ?

reverting

https://codereview.chromium.org/1211583003/diff/80001/samplecode/SampleAtlas.cpp
File samplecode/SampleAtlas.cpp (right):

https://codereview.chromium.org/1211583003/diff/80001/samplecode/SampleAtlas....
samplecode/SampleAtlas.cpp:70: if (fCenter.fY > bounds.bottom()) {
On 2015/06/25 15:53:21, robertphillips wrote:
> ??

reverting

https://codereview.chromium.org/1211583003/diff/80001/src/core/SkNinePatchIter.h
File src/core/SkNinePatchIter.h (right):

https://codereview.chromium.org/1211583003/diff/80001/src/core/SkNinePatchIte...
src/core/SkNinePatchIter.h:16: /**
On 2015/06/25 15:53:21, robertphillips wrote:
> dissect ?
> iterator -> series ?

Done.

[reed1, 2015-06-25 19:25:21]

The CQ bit was checked by reed@google.com

[reed1, 2015-06-25 19:25:22]

The patchset sent to the CQ was uploaded after l-g-t-m from
robertphillips@google.com
Link to the patchset: https://codereview.chromium.org/1211583003/#ps100001
(title: "address comments from #9")

[commit-bot: I haz the power, 2015-06-25 19:25:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1211583003/100001

[commit-bot: I haz the power, 2015-06-25 19:32:07]

Committed patchset #6 (id:100001) as
https://skia.googlesource.com/skia/+/4c21dc5ddf3b482293ed34eead876d8d61a662c3