public SkiaGraphicsView(Context context, IDrawable drawable = null) : base(context)
{
_scale = Resources.DisplayMetrics.Density;
_canvas = new SkiaCanvas();
_scalingCanvas = new ScalingCanvas(_canvas);
Drawable = drawable;
}
public SkiaBitmapExportContext(
int width,
int height,
float displayScale,
int dpi = 72,
bool disposeBitmap = true,
bool transparent = true) : base(width, height, dpi)
{
if (transparent)
{
var imageInfo = new SKImageInfo(width, height, SKColorType.Rgba8888, SKAlphaType.Premul);
_surface = SKSurface.Create(imageInfo);
}
else
{
var imageInfo = new SKImageInfo(width, height, SKColorType.Rgb565, SKAlphaType.Opaque);
_surface = SKSurface.Create(imageInfo);
}
if (_surface == null)
{
Logger.Warn("Unable to create a Skia surface");
return;
}
_skiaCanvas = _surface.Canvas;
var nativeCanvas = new SkiaCanvas
{
Canvas = _skiaCanvas,
DisplayScale = displayScale
};
_canvas = new ScalingCanvas(nativeCanvas);
_disposeBitmap = disposeBitmap;
}
public override void Dispose()
{
if (_skiaCanvas != null)
{
_skiaCanvas.Dispose();
_skiaCanvas = null;
}
if (_surface != null)
{
_surface.Dispose();
_surface = null;
}
if (_image != null)
{
_image.Dispose();
_image = null;
}
if (_bitmap != null && _disposeBitmap)
{
_bitmap.Dispose();
_bitmap = null;
}
_canvas = null;
base.Dispose();
}
public NativeGraphicsView(Context context, IAttributeSet attrs, IDrawable drawable = null) : base(context, attrs)
{
_scale = Resources.DisplayMetrics.Density;
_canvas = new NativeCanvas(context);
_scalingCanvas = new ScalingCanvas(_canvas);
Drawable = drawable;
}
public SkiaGraphicsView(IDrawable?drawable = null)
{
_canvas = new SkiaCanvas();
_scalingCanvas = new ScalingCanvas(_canvas);
Drawable = drawable;
PaintSurface += OnPaintSurface;
}
public GraphicsTimePicker(Context context) : base(context)
{
_scale = Resources?.DisplayMetrics?.Density ?? 1;
_canvas = new PlatformCanvas(context);
_scalingCanvas = new ScalingCanvas(_canvas);
Touch += OnTouch;
}
public SkiaGraphicsView(EvasObject parent, IDrawable drawable = null) : base(parent)
{
_canvas = new SkiaCanvas();
_scalingCanvas = new ScalingCanvas(_canvas);
Drawable = drawable;
PaintSurface += OnPaintSurface;
IgnorePixelScaling = true;
}
public GraphicsEditor(Context context) : base(context)
{
_scale = Resources?.DisplayMetrics?.Density ?? 1;
_canvas = new PlatformCanvas(context);
_scalingCanvas = new ScalingCanvas(_canvas);
Background = null;
}
public NativeBitmapExportContext(int width, int height, float displayScale = 1, int dpi = 72, bool disposeBitmap = true, bool transparent = true) : base(width, height, dpi)
{
_bitmap = Bitmap.CreateBitmap(
width,
height,
transparent
? Bitmap.Config.Argb8888
: Bitmap.Config.Rgb565);
_androidCanvas = new Canvas(_bitmap);
var nativeCanvas = new NativeCanvas(null)
{
Canvas = _androidCanvas,
};
_canvas = new ScalingCanvas(nativeCanvas)
{
DisplayScale = displayScale
};
_disposeBitmap = disposeBitmap;
}
public static Bitmap GetPatternBitmap(
this Paint paint,
float scaleX,
float scaleY)
{
var pattern = paint?.Pattern;
if (pattern == null)
{
return(null);
}
using (var context = new NativeBitmapExportContext((int)(pattern.Width * scaleX), (int)(pattern.Height * scaleY), disposeBitmap: false))
{
var scalingCanvas = new ScalingCanvas(context.Canvas);
scalingCanvas.Scale(scaleX, scaleY);
pattern.Draw(scalingCanvas);
return(context.Bitmap);
}
}
public SkiaGraphicsView(IDrawable drawable = null)
{
_canvas = new SkiaCanvas();
_scalingCanvas = new ScalingCanvas(_canvas);
Drawable = drawable;
}
public DirectRenderer(Context context)
{
_canvas = new NativeCanvas(context);
_scalingCanvas = new ScalingCanvas(_canvas);
}
public WDSkiaDirectRenderer()
{
_canvas = new SkiaCanvas();
_scalingCanvas = new ScalingCanvas(_canvas);
}
