add patch and clicktracking to lua

add patch and clicktracking to lua

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/7a72c6702da9e1f6fb536efe844db23f77535a19

[reed1, 2014-11-07 15:46:46]

reed@google.com changed reviewers:
+ robertphillips@google.com

[reed1, 2014-11-07 15:46:48]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-11-07 15:47:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/712613002/1

[commit-bot: I haz the power, 2014-11-07 15:47:03]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2014-11-07 21:47 UTC

[robertphillips, 2014-11-07 18:02:24]

The CQ bit was unchecked by robertphillips@google.com

[robertphillips, 2014-11-07 18:02:54]

lgtm + nits

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua
File resources/slides2.lua (right):

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:319: cubics = {}
// bottom

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:322: end
// right

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:325: end
// top

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:328: end
// left

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:337: 
There doesn't seem to be any way to change this guy.

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:339: 
distSq instead ?

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:408: function onDrawContent(canvas, width, height)
add some comments here ?

// We render the slide contents to a 640x480 image and
// then apply that (as a shader) to a patch to effect 
// the final (warped) rendering

?

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:421: paint:setFilterLevel(1)
I'm a bit surprised we don't have an option to not draw through a patch.

https://codereview.chromium.org/712613002/diff/1/resources/slides2.lua#newcod...
resources/slides2.lua:426: 
This and draw_drag don't appear to be used.

https://codereview.chromium.org/712613002/diff/1/src/utils/SkLua.cpp
File src/utils/SkLua.cpp (right):

https://codereview.chromium.org/712613002/diff/1/src/utils/SkLua.cpp#newcode541
src/utils/SkLua.cpp:541: 
needed ?

[reed1, 2014-11-07 18:12:15]

https://codereview.chromium.org/712613002/diff/1/src/utils/SkLua.cpp
File src/utils/SkLua.cpp (right):

https://codereview.chromium.org/712613002/diff/1/src/utils/SkLua.cpp#newcode541
src/utils/SkLua.cpp:541: 
On 2014/11/07 18:02:54, robertphillips wrote:
> needed ?

Done.

[reed1, 2014-11-07 18:13:13]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-11-07 18:14:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/712613002/40001

[commit-bot: I haz the power, 2014-11-07 18:23:58]

Committed patchset #3 (id:40001) as
https://skia.googlesource.com/skia/+/7a72c6702da9e1f6fb536efe844db23f77535a19