protected override void InternalDraw(SKCanvas canvas)
{
base.InternalDraw(canvas);
if (Drawable != null)
{
var renderBounds = RenderBounds;
var drawableSize = Drawable.GetSize(renderBounds.Width, renderBounds.Height);
double ratioX = (double)renderBounds.Width / (double)drawableSize.Width;
double ratioY = (double)renderBounds.Height / (double)drawableSize.Height;
double ratio = ratioX < ratioY ? ratioX : ratioY;
double newWidth = drawableSize.Width * ratio;
double newHeight = drawableSize.Height * ratio;
float cx = (float)(renderBounds.X + (renderBounds.Width / 2.0) - (newWidth / 2.0));
float cy = (float)(renderBounds.Y + (renderBounds.Height / 2.0) - (newHeight / 2.0));
using (var paint = new SKPaint())
{
paint.XferMode = SKXferMode.SrcOver;
paint.FilterQuality = SKFilterQuality.Low;
Drawable.Draw(canvas, new Rectangle(cx, cy, newWidth, newHeight), paint);
}
}
}
protected override void InternalDraw(SkiaSharp.SKCanvas canvas)
{
base.InternalDraw(canvas);
using (var paint = new SKPaint())
{
var renderBounds = RenderBounds;
var smallestSize = Math.Min(renderBounds.Size.Width, renderBounds.Size.Height);
var square = new Rectangle(renderBounds.Center.X - smallestSize / 2.0, renderBounds.Center.Y - smallestSize / 2.0, smallestSize, smallestSize);
Rectangle imageBounds = renderBounds;
paint.IsAntialias = true;
if (IsCheckable)
{
paint.Color = SelectionBackgroundColor.ToSKColor();
canvas.DrawOval(square.ToSKRect(), paint);
var darkerOutline = SelectionBackgroundColor.AddLuminosity(-0.1);
paint.IsStroke = true;
paint.Color = darkerOutline.ToSKColor();
paint.StrokeWidth = 1.0f;
canvas.DrawOval(square.ToSKRect(), paint);
imageBounds = renderBounds.Inflate(-BorderSize, -BorderSize);
}
if (Drawable != null && !IsSelected)
{
var drawableSize = Drawable.GetSize(imageBounds.Width, imageBounds.Height);
double ratioX = (double)imageBounds.Width / (double)drawableSize.Width;
double ratioY = (double)imageBounds.Height / (double)drawableSize.Height;
double ratio = ratioX < ratioY ? ratioX : ratioY;
double newWidth = drawableSize.Width * ratio;
double newHeight = drawableSize.Height * ratio;
float cx = (float)(imageBounds.X + (imageBounds.Width / 2.0) - (newWidth / 2.0));
float cy = (float)(imageBounds.Y + (imageBounds.Height / 2.0) - (newHeight / 2.0));
paint.XferMode = SKXferMode.SrcOver;
paint.FilterQuality = SKFilterQuality.Low;
Drawable.Draw(canvas, new Rectangle(cx, cy, newWidth, newHeight), paint);
}
if (IsCheckable && IsSelected)
{
paint.Color = SelectionColor.ToSKColor();
paint.IsStroke = false;
canvas.DrawOval(square.ToSKRect(), paint);
double ratioX = (double)imageBounds.Width / (double)TickBitmap.Width;
double ratioY = (double)imageBounds.Height / (double)TickBitmap.Height;
double ratio = ratioX < ratioY ? ratioX : ratioY;
double newWidth = TickBitmap.Width * ratio;
double newHeight = TickBitmap.Height * ratio;
float cx = (float)(imageBounds.X + (imageBounds.Width / 2.0) - (newWidth / 2.0));
float cy = (float)(imageBounds.Y + (imageBounds.Height / 2.0) - (newHeight / 2.0));
paint.XferMode = SKXferMode.SrcOver;
paint.FilterQuality = SKFilterQuality.Low;
canvas.DrawBitmap(TickBitmap, new SKRect(cx, cy, (float)(cx + newWidth), (float)(cy + newHeight)), paint);
}
}
}