/*
* Occurs when a Chooser task is completed.
* @param sender The object that triggered the event.
* @param e The result containing the image selected by the user.
*/
private void PhotoChooserTaskCompleted(object sender, PhotoResult e)
{
photoTaskStarted = false;
Memory eventData = new Memory(16);
const int MAWidgetEventData_eventType = 0;
const int MAWidgetEventData_imagePickerState = 4;
const int MAWidgetEventData_imageHandle = 8;
const int MAWidgetEventData_imageEncoding = 12;
eventData.WriteInt32(MAWidgetEventData_eventType, MoSync.Constants.EVENT_TYPE_IMAGE_PICKER);
if (e.TaskResult == TaskResult.OK)
{
// the user has selected an image -> the image picker state will be 1 - ok
eventData.WriteInt32(MAWidgetEventData_imagePickerState, 1);
// get a bitmap of the image selected by the user using the Image Picker
BitmapImage img = new BitmapImage();
img.SetSource(e.ChosenPhoto);
switch (eventType)
{
case MoSync.Constants.MA_IMAGE_PICKER_EVENT_RETURN_TYPE_IMAGE_DATA:
// We create a memory stream that will contain the bitmap image
// with jpeg encoding
MemoryStream memoryStream = new MemoryStream();
WriteableBitmap writableBitmap = new WriteableBitmap(img);
writableBitmap.SaveJpeg(memoryStream, img.PixelWidth, img.PixelHeight, 0, 100);
eventData.WriteInt32(MAWidgetEventData_imageHandle, runtimeReference.AddResource(
new Resource(memoryStream, MoSync.Constants.RT_BINARY, true)));
break;
default:
// The AddResource returns an int - the image handle that's sent with the event data
eventData.WriteInt32(MAWidgetEventData_imageHandle, runtimeReference.AddResource(
new Resource(img, MoSync.Constants.RT_IMAGE)));
break;
}
eventData.WriteInt32(MAWidgetEventData_imageEncoding, MoSync.Constants.MA_IMAGE_PICKER_ITEM_ENCODING_JPEG);
}
else
{
// the user has canceled the image selection -> the image picker state will be 0 - cancel
eventData.WriteInt32(MAWidgetEventData_imagePickerState, 0);
}
runtimeReference.PostEvent(new Event(eventData));
}
/*
* Occurs when a Chooser task is completed.
* @param sender The object that triggered the event.
* @param e The result containing the image selected by the user.
*/
private void PhotoChooserTaskCompleted(object sender, PhotoResult e)
{
photoTaskStarted = false;
Memory eventData = new Memory(12);
const int MAWidgetEventData_eventType = 0;
const int MAWidgetEventData_imagePickerState = 4;
const int MAWidgetEventData_imageHandle = 8;
eventData.WriteInt32(MAWidgetEventData_eventType, MoSync.Constants.EVENT_TYPE_IMAGE_PICKER);
if (e.TaskResult == TaskResult.OK)
{
// the user has selected an image -> the image picker state will be 1 - ok
eventData.WriteInt32(MAWidgetEventData_imagePickerState, 1);
// get a bitmap of the image selected by the user using the Image Picker
BitmapImage img = new BitmapImage();
img.SetSource(e.ChosenPhoto);
// The AddResource returns an int - the image handle that's sent with the event data
eventData.WriteInt32(MAWidgetEventData_imageHandle, runtimeReference.AddResource(
new Resource(img, MoSync.Constants.RT_IMAGE)));
}
else
{
// the user has canceled the image selection -> the image picker state will be 0 - cancel
eventData.WriteInt32(MAWidgetEventData_imagePickerState, 0);
}
runtimeReference.PostEvent(new Event(eventData));
}
