Hi.
You want this ?
http://msdn.microsoft.com/en-us/library/windowsphone/develop/windows.phone.media.capture.photocapturedevice.focusregion(v=vs.105).aspx

edit.
I've just found it :...

Ok.
thanks for answers.

It's could be interesting if people who read an article can rank it.

good works

Have you read this article : http://www.developer.nokia.com/Community/Wiki/Use_Camera_with_XNA ?

On WP7 this work very well.

if you have question about code, do not hesitate to ask ;)

I don't understand WP8 directx haven't method to load jpeg/png file.

I make an example where i read an image with Bitmap, and get pixel buffer with a WritableBitmap.
So i give pixel buffer and...

Congratulate.

Hi.
You can read this wiki article : http://www.developer.nokia.com/Community/Wiki/Extending_the_Windows_Phone_Pictures_Hub

It will be updated for WP8.

ok. So you can do it in two times.
have you try to save your tiles in jpeg ?

Hi.
You must transform your C++ code in WinRT component and render it to a DrawingSurface or DrawingSurfaceBackgroundGrid in your C# code.

You can find information about C++ support here :...

What is the update frequency you want use?

i miss this point.

I use same library.

A scheduler agent have a limits in memory, times and cpu usage.

Instate of native Jpeg encoder, Png encoder is a software encoder. Maybe http get + bitmap creation + png...

what is PngEncoder library ?
Have you try to save in jpg?
size[0] == size[1] == 336 ?

Hi.
Normally, you can remove this test:

while (back == null)
{
System.Threading.Thread.Sleep(1000);
}
and move all code after in your Deployment.Current.Dispatcher.BeginInvoke call.

You can have problem with event too. For example, event of PhotoCamera are called by a diffrerent thread.
For ecample in this page :...

Hi.
I thinks this code is not executed


Deployment.Current.Dispatcher.BeginInvoke(new Action(delegate//rendering done on the UI thread!!!!!
{
//MediumTileTemplate is...

I'm not sure for all async method but for the majority they are executed in an internal thread.
It's for this reason we must use "Deployment.Current.Dispatcher.BeginInvoke" to report result in UI...

Congratulations and thanks you for your help.

writeablebitmapEx interface a writeablebitmap.

writeablebitmap WP8 doc : http://msdn.microsoft.com/en-us/library/windowsphone/develop/system.windows.media.imaging.writeablebitmap(v=vs.105).aspx
...

how have you solved your problem?

I've installed this firmware :
http://img14.imageshack.us/img14/5729/wpss201302180001.jpg

It's normally the last firmware for french Orange provider

Hi.
This code works for me with 920 and 820(dev version):


using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using...

Congratulations