Tiled rendering: Tunnel the request for a tile to the ViewShell.

Change-Id: I6271546ab2c0e92832c501617d94d5ad155de705
Cosmetics.

Change-Id: I9811c981c445222a888b1efd8c1666a60bd25dad
Tiled rendering: Do the same thing as in touch_lo_draw_tile().

Change-Id: I6cfea5cb0fbc209cb378892c6959098965e7b5ef
Tiled rendering: Show the device's content.

Change-Id: I6f9a4e2942e0d0b69fae262cc700266f578af899
Tiled rendering: The tile shows now when we request for it.

But so far it is just a white rectangle ;-) - next step is to check if it is
something real.

Change-Id: I06c5ffe0479970d0ca7531a0d037312dc195865f
refactored to allow copying FixedImage to ios

Change-Id: Icecdae8ea2bb68c228f038758af8fb688ce9dd4a
now showing blank tile

Change-Id: I76cbf205e19ffff83bea1ebae28f5172b2fbc250
Tiled rendering: Very crude way to "show something".

We are reusing the ViewShell's output device; instead we should provide an
own, and draw to that one - to be continued...

Change-Id: I4ed1bffbbcedeefa955db1d59eb4b252f4a25a64
now iOS draws something (upside down)

Change-Id: Ibf04322d34605fce30b2fa477de98a3e2ff9c2d1
Tiled rendering: Better way to get the values in the test app.

Change-Id: I8c4b1cc1d6db3b6572bcf6d80e07567f667e975e
Tiled rendering: Update the adjustments in the test app .ui.

Change-Id: Ia791111bfeda1ba5c4044f75257e08ec4cce54b4
Tiled rendering: Use VirtualDevice, and set the MapMode correctly.

Change-Id: I79394beff70e5f1db3ec2e6995c9a8fd666d00a5
Tiled rendering: This is wrong approach, kill it.

Change-Id: Ie674d19ae95b9e3c58d739d8cde1543124d1bd1b
iOS uses virtual device too

Change-Id: I468b41268f97af444974e05bc38fa5ca975a9d31
in progress tile rendering

Change-Id: Ie49fc47700287c3c21f234e3fece2b3afd272d24
for tor

Change-Id: I1565450c763e4f0bf1a724978b5550163d627482
added Size touch_lo_get_content_size()

Change-Id: I0874f511e217713ba695e55d07133378a33fced9
added the touch_lo_get_content_size to touch.h

Change-Id: I53287cbc84f99b56f575479860c3e8f890c49a35
changed to CGSize

Change-Id: Ic84fcadf4332210693586825cdd8e32ef0f2a727
Need to acquire SolarMutex while using a VirtualDevice

Change-Id: I1f3b86a45bb26d07a0b738c7c2b264dc4a4013c8