/// <summary>
/// Sets the image source.
/// </summary>
/// <param name="targetButton">The target button.</param>
/// <param name="model">The model.</param>
/// <returns>A <see cref="Task"/> for the awaited operation.</returns>
private void SetImageSource(Android.Widget.Button targetButton, ImageButton model)
{
if (targetButton == null || targetButton.Handle == IntPtr.Zero || model == null)
{
return;
}
var source = model.IsEnabled ? model.Source : model.DisabledSource ?? model.Source;
var drawable = Context.GetDrawable((source as FileImageSource).File);//new BitmapDrawable(bitmap);
if (drawable == null)
{
targetButton.SetCompoundDrawables(null, null, null, null);
}
else
{
var tintColor = model.IsEnabled ? model.ImageTintColor : model.DisabledImageTintColor;
if (tintColor != Color.Transparent)
{
drawable.SetTint(tintColor.ToAndroid());
drawable.SetTintMode(PorterDuff.Mode.SrcIn);
}
using (var scaledDrawable = GetScaleDrawable(drawable, model.ImageWidthRequest, model.ImageHeightRequest)) {
Drawable left = null;
Drawable right = null;
Drawable top = null;
Drawable bottom = null;
switch (model.Orientation)
{
case ImageOrientation.ImageToLeft:
targetButton.Gravity = GravityFlags.Left | GravityFlags.CenterVertical;
left = scaledDrawable;
break;
case ImageOrientation.ImageToRight:
targetButton.Gravity = GravityFlags.Right | GravityFlags.CenterVertical;
right = scaledDrawable;
break;
case ImageOrientation.ImageOnTop:
targetButton.Gravity = GravityFlags.Top | GravityFlags.CenterHorizontal;
top = scaledDrawable;
break;
case ImageOrientation.ImageOnBottom:
targetButton.Gravity = GravityFlags.Bottom | GravityFlags.CenterHorizontal;
bottom = scaledDrawable;
break;
case ImageOrientation.ImageCenterToLeft:
targetButton.Gravity = GravityFlags.CenterHorizontal | GravityFlags.CenterVertical;
left = scaledDrawable;
break;
case ImageOrientation.ImageCenterToRight:
targetButton.Gravity = GravityFlags.CenterHorizontal | GravityFlags.CenterVertical;
right = scaledDrawable;
break;
}
var width = scaledDrawable.Bounds.Width();
var height = scaledDrawable.Bounds.Height();
targetButton.CompoundDrawablePadding = (int)Context.ToPixels(10);
targetButton.SetMinimumWidth(width + Control.PaddingLeft + Control.PaddingRight);
targetButton.SetMinimumHeight(height + Control.PaddingTop + Control.PaddingBottom);
targetButton.SetCompoundDrawables(left, top, right, bottom);
}
}
}