public static void ReloadBackgroundImage(this IStyleHelper helper, IStyleSheet styleSheet, IBound bound, Control control)
{
IBackgroundImage image;
if (helper.TryGet(out image) && !string.IsNullOrWhiteSpace(image.Path))
{
var imageCache = styleSheet.GetCache<ImageCache>();
using (BitmapDrawable background = imageCache.GetImage(image.Path, bound.Width, bound.Height))
control.SetBackground(background);
}
}
public static void ReloadBackgroundImage(this IStyleHelper helper, IStyleSheet styleSheet, IBound bound, Control control)
{
IBackgroundImage image;
if (helper.TryGet(out image) && !string.IsNullOrWhiteSpace(image.Path))
{
var imageCache = styleSheet.GetCache <ImageCache>();
using (BitmapDrawable background = imageCache.GetImage(image.Path, bound.Width, bound.Height))
control.SetBackground(background);
}
}
public static bool BackgroundChanged(this IStyleHelper helper
, IStyleSheet styleSheet, IBound bound, out Drawable background, bool whithoutImage = false)
{
if (!whithoutImage)
{
IBackgroundImage image;
if (helper.TryGet(out image) && !string.IsNullOrWhiteSpace(image.Path))
{
background = styleSheet.GetCache <ImageCache>().GetImage(image.Path, bound.Width, bound.Height);
return(true);
}
// if control has background image, we have to ignore background color
if (!string.IsNullOrWhiteSpace(image.Path))
{
background = null;
return(false);
}
}
IBackgroundColor backgroundColor;
IBorderStyle borderStyle;
IBorderWidth borderWidth;
IBorderColor borderColor;
IBorderRadius borderRadius;
if (helper.TryGet(out backgroundColor) | helper.TryGet(out borderStyle) | helper.TryGet(out borderWidth)
| helper.TryGet(out borderColor) | helper.TryGet(out borderRadius))
{
if (borderStyle.Style == BorderStyleValues.Solid)
{
var shape = new GradientDrawable();
var width = (int)Math.Round(borderWidth.Value);
Color color = borderColor.ToColorOrTransparent();
shape.SetShape(ShapeType.Rectangle);
shape.SetColor(backgroundColor.ToColorOrTransparent());
shape.SetCornerRadius(borderRadius.Radius);
shape.SetStroke(width, color);
background = shape;
}
else
{
background = new ColorDrawable(backgroundColor.ToColorOrTransparent());
}
return(true);
}
background = null;
return(false);
}
public static bool BackgroundChanged(this IStyleHelper helper
, IStyleSheet styleSheet, IBound bound, out Drawable background, bool whithoutImage = false)
{
if (!whithoutImage)
{
IBackgroundImage image;
if (helper.TryGet(out image) && !string.IsNullOrWhiteSpace(image.Path))
{
background = styleSheet.GetCache<ImageCache>().GetImage(image.Path, bound.Width, bound.Height);
return true;
}
// if control has background image, we have to ignore background color
if (!string.IsNullOrWhiteSpace(image.Path))
{
background = null;
return false;
}
}
IBackgroundColor backgroundColor;
IBorderStyle borderStyle;
IBorderWidth borderWidth;
IBorderColor borderColor;
IBorderRadius borderRadius;
if (helper.TryGet(out backgroundColor) | helper.TryGet(out borderStyle) | helper.TryGet(out borderWidth)
| helper.TryGet(out borderColor) | helper.TryGet(out borderRadius))
{
if (borderStyle.Style == BorderStyleValues.Solid)
{
var shape = new GradientDrawable();
var width = (int)Math.Round(borderWidth.Value);
Color color = borderColor.ToColorOrTransparent();
shape.SetShape(ShapeType.Rectangle);
shape.SetColor(backgroundColor.ToColorOrTransparent());
shape.SetCornerRadius(borderRadius.Radius);
shape.SetStroke(width, color);
background = shape;
}
else
background = new ColorDrawable(backgroundColor.ToColorOrTransparent());
return true;
}
background = null;
return false;
}
public static Drawable Background(this IStyleSheet styleSheet, IStyledObject control, IBound bound, bool whithoutImage = false)
{
Drawable background = null;
if (!whithoutImage)
{
string path = styleSheet.Helper.BackgroundImage(control);
if (path != null)
{
background = styleSheet.GetCache <ImageCache>().GetImage(path, bound.Width, bound.Height);
}
}
return(background ??
ColorWithBorders(styleSheet, control, ToColorOrTransparent(styleSheet.Helper.BackgroundColor(control))));
}