protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
if (_backgroundPath != null && _backgroundImage == null)
{
SetBackground(ImageGetter.LoadFromStorage(_backgroundPath, canvas.Width, canvas.Height));
}
if (_foregroundPath != null)
{
SetForeground(ImageGetter.LoadFromStorage(_foregroundPath, canvas.Width, canvas.Height));
_foregroundPath = null;
}
else if (_mutableForeground == null)
{
SetForeground(null);
}
DrawBackground(canvas);
if (_mutableForeground == null || _mutableForeground.IsRecycled)
{
return;
}
var left = (_canvasSize.Width - _mutableForeground.Width) / 2;
var top = (_canvasSize.Height - _mutableForeground.Height) / 2;
canvas.DrawBitmap(_mutableForeground, (float)left, (float)top, _bitmapPaint);
canvas.DrawPath(_currentStroke, _strokeBrush);
}
protected virtual void LoadImage()
{
if (Item != null && _imagePath != null)
{
ImageGetter.SetDrawable(_imagePath, (bitmap, url) =>
{
if (url == _imagePath)
{
Item.SetIcon(bitmap);
}
});
}
}
public override void OnCreateOptionsMenu(IMenu menu, MenuInflater inflater)
{
if (menu == null)
{
return;
}
menu.Clear();
if (Menu.ButtonCount > 1 && Build.VERSION.SdkInt <= BuildVersionCodes.JellyBean)
{
var itemId = (int)OutputPane * byte.MaxValue;
var item = menu.Add((int)OutputPane, itemId, (int)OutputPane, Device.Resources.GetString("Menu"));
item.SetShowAsAction(ShowAsAction.Always);
const string source = "ic_menu_dark.png";
ImageGetter.SetDrawable(source, (bitmap, url) =>
{
if (url == source)
{
item.SetIcon(bitmap);
}
});
}
else if (_buttons != null && _buttons.Length > 0 && _buttons[0]?.Item != null)
{
foreach (var button in _buttons)
{
button.Item = menu.Add((int)OutputPane, button.Item.ItemId, (int)OutputPane, button.Title);
}
}
else
{
var showIfRoom = true;
_buttons = Enumerable.Range(0, Menu.ButtonCount).Select(i =>
{
var menuItem = Menu.GetButton(i);
if (menuItem is UI.IMenu)
{
showIfRoom = false;
}
return(menuItem as MenuButton ?? menuItem?.Pair as MenuButton);
}).ToArray();
var subCount = 0;
for (int i = 0; i < _buttons.Length; i++)
{
var button = _buttons[i];
var menuId = button is IMenu ? subCount++ : (int)OutputPane;
button.AddToParent(menu, menuId, i, showIfRoom);
}
}
base.OnCreateOptionsMenu(menu, inflater);
}
public void SetBackground(string imagePath, ContentStretch stretch)
{
if (DroidFactory.MainActivity.ActionBar == null)
{
return;
}
ImageGetter.SetDrawable(imagePath, (bitmap, url) =>
{
if (url == imagePath)
{
DroidFactory.MainActivity.ActionBar.SetBackgroundDrawable(bitmap);
}
});
}
public void SetBackground(string imagePath, ContentStretch stretch)
{
ImageGetter.SetDrawable(imagePath, (drawable, url) =>
{
if (url != imagePath)
{
return;
}
if (drawable is BitmapDrawable bit)
{
SetBackground(bit.Bitmap);
}
else
{
SetBackground(null);
_backgroundPath = imagePath;
Invalidate();
}
});
}
public void Render()
{
this.RaiseEvent(nameof(Rendering), EventArgs.Empty);
if (!TabItems.Any())
{
return;
}
DroidFactory.Tabs = this;
_inFlight = true;
var actionBar = DroidFactory.MainActivity.ActionBar;
actionBar.RemoveAllTabs();
var ig = new ImageGetter();
foreach (var tab in TabItems)
{
var abTab = actionBar.NewTab();
abTab.SetTabListener(this);
abTab.SetText(tab.Title);
abTab.SetIcon(ig.GetDrawable(tab.ImagePath));
actionBar.AddTab(abTab);
}
_inFlight = false;
HeaderColor = iApp.Instance.Style.HeaderColor;
actionBar.Title = null;
actionBar.Subtitle = null;
if (SelectedIndex > -1)
{
iApp.SetNavigationContext(new iLayer.NavigationContext
{
OutputOnPane = iApp.CurrentNavContext.ActivePane,
NavigatedActiveTab = SelectedIndex,
});
actionBar.SelectTab(actionBar.GetTabAt(SelectedIndex));
}
actionBar.NavigationMode = ActionBarNavigationMode.Tabs;
}
protected override void OnSizeChanged(int w, int h, int oldw, int oldh)
{
base.OnSizeChanged(w, h, oldw, oldh);
_canvasSize = new Size(w, h);
Bitmap foreground = null;
try
{
var view = DroidFactory.MainActivity.FindViewById <ImageView>(((FragmentHistoryStack)((BaseFragment)Parent).Stack).BackgroundId);
if (view == null)
{
return;
}
if (_backgroundPath != null && _backgroundImage == null)
{
SetBackground(ImageGetter.LoadFromStorage(_backgroundPath, view.MeasuredWidth, view.MeasuredHeight));
}
if (_foregroundPath != null)
{
foreground = ImageGetter.LoadFromStorage(_foregroundPath, view.MeasuredWidth, view.MeasuredHeight);
SetForeground(null);
_foregroundPath = null;
}
else
{
foreground = _mutableForeground;
SetForeground(Bitmap.CreateBitmap((int)_canvasSize.Width, (int)_canvasSize.Height, Bitmap.Config.Argb8888));
this.OnPropertyChanged("MutableForeground");
}
}
catch (Exception ex)
{
iApp.Log.Error(ex);
}
if (foreground == null)
{
return;
}
var foregroundWidth = foreground.Width;
var foregroundHeight = foreground.Height;
var scaled = false;
if (foregroundWidth > _canvasSize.Width)
{
foregroundHeight = (int)(foregroundHeight * (_canvasSize.Width / foregroundWidth));
foregroundWidth = (int)_canvasSize.Width;
scaled = true;
}
if (foregroundHeight > _canvasSize.Height)
{
foregroundWidth = (int)(foregroundWidth * (_canvasSize.Height / foregroundHeight));
foregroundHeight = (int)_canvasSize.Height;
scaled = true;
}
if (scaled)
{
var fore = foreground;
foreground = Bitmap.CreateScaledBitmap(foreground, foregroundWidth, foregroundHeight, false);
fore.Recycle();
}
var left = foregroundWidth > _canvasSize.Width ? 0 : ((float)_canvasSize.Width - foregroundWidth) / 2;
var top = foregroundHeight > _canvasSize.Height ? 0 : ((float)_canvasSize.Height - foregroundHeight) / 2;
ForegroundMutator.DrawBitmap(foreground, left, top, _bitmapPaint);
Recycle(foreground);
}