/// <summary>
/// Returns a <see cref="Drawable"/> with the correct dimensions from an
/// Android resource id.
/// </summary>
/// <param name="drawable">An android <see cref="Drawable"/>.</param>
/// <param name="width">The width to scale to.</param>
/// <param name="height">The height to scale to.</param>
/// <returns>A scaled <see cref="Drawable"/>.</returns>
private Drawable GetScaleDrawable(Drawable drawable, double width, double height)
{
var returnValue = new ScaleDrawable(drawable, GravityFlags.Center, 100, 100).Drawable;
returnValue.SetBounds(0, 0, (int)Context.ToPixels(width), (int)Context.ToPixels(height));
return(returnValue);
}
/// <summary>
/// Returns a <see cref="Drawable"/> with the correct dimensions from an
/// Android resource id.
/// </summary>
/// <param name="drawable">An android <see cref="Drawable"/>.</param>
/// <param name="width">The width to scale to.</param>
/// <param name="height">The height to scale to.</param>
/// <returns>A scaled <see cref="Drawable"/>.</returns>
private Drawable GetScaleDrawable(Drawable drawable, int width, int height)
{
var returnValue = new ScaleDrawable(drawable, 0, RequestToPixels(width), RequestToPixels(height)).Drawable;
returnValue.SetBounds(0, 0, width, height);
return(returnValue);
}
/// <summary>
/// Returns a <see cref="Drawable"/> with the correct dimensions from an
/// Android resource id.
/// </summary>
/// <param name="drawable">An android <see cref="Drawable"/>.</param>
/// <param name="width">The width to scale to.</param>
/// <param name="height">The height to scale to.</param>
/// <returns>A scaled <see cref="Drawable"/>.</returns>
private Drawable GetScaleDrawable(Drawable drawable, int width, int height)
{
var returnValue = new ScaleDrawable(drawable, 0, width, height).Drawable;
returnValue.SetBounds(0, 0, width, height);
return(returnValue);
}
/// <summary>
/// Returns a <see cref="Drawable"/> with the correct dimensions from an
/// Android resource id.
/// </summary>
/// <param name="resId">The android resource id to load the drawable from.</param>
/// <param name="width">The width to scale to.</param>
/// <param name="height">The height to scale to.</param>
/// <returns>A scaled <see cref="Drawable"/>.</returns>
public Drawable GetScaleDrawableFromResourceId(int resId, int width, int height)
{
var drawable = Resources.GetDrawable(resId);
var returnValue = new ScaleDrawable(drawable, 0, width, height).Drawable;
returnValue.SetBounds(0, 0, width, height);
return(returnValue);
}
void SetImages(MvvmAspire.Controls.Button element)
{
try
{
ButtonText = Element.Text;
if (!HaseResource(element.ImageLeft) && !HaseResource(element.ImageTop) && !HaseResource(element.ImageRight) && !HaseResource(element.ImageBottom))
{
Control.SetCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
Control.Invalidate();
return;
}
Drawable leftResource = null, topResource = null, rightResource = null, bottomResource = null;
if (element.ImageLeft != null && element.ImageLeft.File != null)
{
leftResource = ContextCompat.GetDrawable(UIHelper.Context, UIHelper.GetDrawableResource(element.ImageLeft));
}
if (element.ImageTop != null && element.ImageTop.File != null)
{
topResource = ContextCompat.GetDrawable(UIHelper.Context, UIHelper.GetDrawableResource(element.ImageTop));
}
if (element.ImageRight != null && element.ImageRight.File != null)
{
rightResource = ContextCompat.GetDrawable(UIHelper.Context, UIHelper.GetDrawableResource(element.ImageRight));
}
if (element.ImageBottom != null && element.ImageBottom.File != null)
{
bottomResource = ContextCompat.GetDrawable(UIHelper.Context, UIHelper.GetDrawableResource(element.ImageBottom));
}
bool hasResource = leftResource != null || rightResource != null || topResource != null || bottomResource != null;
if (hasResource && !element.CenterImage)
{
Control.SetCompoundDrawablesWithIntrinsicBounds(leftResource, topResource, rightResource, bottomResource);
}
if (hasResource && element.CenterImage)
{
Xamarin.Forms.Size size = new Xamarin.Forms.Size();
if (leftResource != null)
{
if (element.ImageLeftHeight > 0 && element.ImageLeftWidth > 0)
{
size.Width = element.ImageLeftWidth;
size.Height = element.ImageLeftHeight;
}
else
{
var maxWidth = BaseUIHelper.ConvertDPToPixels(element.Padding.Left) - BaseUIHelper.ConvertDPToPixels(element.Padding.Right) - Control.MeasuredWidth;
var maxHeight = BaseUIHelper.ConvertDPToPixels(element.Padding.Top) - BaseUIHelper.ConvertDPToPixels(element.Padding.Bottom) - Control.MeasuredHeight;
var temp = GetSize(leftResource.IntrinsicWidth, leftResource.IntrinsicHeight, Math.Abs(maxWidth), Math.Abs(maxHeight));
size.Width = temp.Width;
size.Height = temp.Height;
}
var scaledDrawable = new ScaleDrawable(leftResource, 0, (int)size.Width, (int)size.Height).Drawable;
scaledDrawable.SetBounds(0, 0, (int)size.Width, (int)size.Height);
Control.SetCompoundDrawables(scaledDrawable, null, null, null);
}
if (rightResource != null)
{
if (element.ImageRightHeight > 0 && element.ImageRightWidth > 0)
{
size.Width = element.ImageRightWidth;
size.Height = element.ImageRightHeight;
}
else
{
var maxWidth = BaseUIHelper.ConvertDPToPixels(element.Padding.Left) - BaseUIHelper.ConvertDPToPixels(element.Padding.Right) - Control.MeasuredWidth;
var maxHeight = BaseUIHelper.ConvertDPToPixels(element.Padding.Top) - BaseUIHelper.ConvertDPToPixels(element.Padding.Bottom) - Control.MeasuredHeight;
var temp = GetSize(rightResource.IntrinsicWidth, rightResource.IntrinsicHeight, Math.Abs(maxWidth), Math.Abs(maxHeight));
size.Width = temp.Width;
size.Height = temp.Height;
}
var scaledDrawable = new ScaleDrawable(rightResource, 0, (int)size.Width, (int)size.Height).Drawable;
scaledDrawable.SetBounds(0, 0, (int)size.Width, (int)size.Height);
Control.SetCompoundDrawables(null, null, scaledDrawable, null);
}
if (!element.CenterImage)
{
SetImagePadding((int)size.Width);
}
Control.Invalidate();
}
}
catch (Exception e)
{
}
}
public void DrawWallpaper(Canvas c)
{
try
{
if (bIsLockScreen)
{
if (!myKM.IsDeviceLocked && !myKM.IsKeyguardLocked)
{
bIsLockScreen = false;
tstAnimationStart = DateTime.Now;
tstAnimationEnd = tstAnimationStart.AddSeconds(.5);
//Tools.ShowToast(mContext, "LockScreenMode end");
}
}
}
catch { }
try
{
if (background == null)
{
if (wallpaperDrawable != null)
{
var drw = new ScaleDrawable(wallpaperDrawable, GravityFlags.Center, size.X, size.Y).Drawable;
Bitmap bmp = Bitmap.CreateBitmap(size.X, size.Y, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bmp);
drw.SetBounds(0, 0, size.X, size.Y);
drw.Draw(canvas);
background = bmp;
}
}
}
catch { }
try
{
c.DrawColor(Color.White);
if (wallpaperDrawable != null)
{
wallpaperDrawable.Draw(c);
}
int x = 0;
int y = 0;
int w = size.X;
int h = size.Y;
if (bIsLockScreen)
{
y = size.Y / 10;
h -= y;
}
else
{
w -= size.X / 2;
y = size.Y * 3 / 11;
h -= size.Y / 2;
}
if (tstAnimationEnd > DateTime.Now)
{
double nTotal = (tstAnimationEnd - tstAnimationStart).TotalMilliseconds;
double nDone = (DateTime.Now - tstAnimationStart).TotalMilliseconds;
double x1 = 0;
double y1 = size.Y / 10;
double w1 = size.X;
double h1 = size.Y - y;
double x2 = 0;
double y2 = size.Y * 3 / 11;
double w2 = size.X - size.X / 2;
double h2 = size.Y - size.Y / 2;
double nx = x1 + (x2 - x1) * nDone / nTotal;
double ny = y1 + (y2 - y1) * nDone / nTotal;
double nw = w1 + (w2 - w1) * nDone / nTotal;
double nh = h1 + (h2 - h1) * nDone / nTotal;
x = (int)nx;
y = (int)ny;
w = (int)nw;
h = (int)nh;
}
clockView.DrawClock(c, lth.RealSunTime, x, y, w, h);
}
catch (Exception ex)
{
Paint p = new Paint();
p.Color = Color.Red;
c.DrawColor(Color.White);
c.DrawText(ex.Message, 0, 0, p);
}
if (tstAnimationEnd != DateTime.MinValue && tstAnimationEnd < DateTime.Now)
{
tstAnimationStart = DateTime.MinValue;
tstAnimationEnd = DateTime.MinValue;
}
}