protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == "SKImageSource")
{
SkiaSharp.SKImage Temp = (Element as ResumeApp.CustomElements.SKImage).SKImageSource;
if (Temp != null)
{
if (counter++ == 10)
{
Task.Run(() =>
{
GC.Collect();
counter = 0;
});
}
ThisImage = AndroidExtensions.ToBitmap(SKBitmap.FromImage(Temp));
if (ThisImage != null)
{
Xamarin.Essentials.MainThread.BeginInvokeOnMainThread(() =>
{
Control.SetImageBitmap(ThisImage);
Control.Invalidate();
});
}
else
{
}
}
}
}
// Draw*NinePatch
public void DrawBitmapNinePatch(SKBitmap bitmap, SKRectI center, SKRect dst, SKPaint paint = null)
{
using var image = SKImage.FromBitmap(bitmap);
DrawImageNinePatch(image, center, dst, paint);
}
// CreateImage
public static SKImageFilter CreateImage(SKImage image)
{
if (image == null)
throw new ArgumentNullException(nameof(image));
return GetObject<SKImageFilter>(SkiaApi.sk_imagefilter_new_image_source_default(image.Handle));
}
// DrawImage
public void DrawImage(SKImage image, SKPoint p, SKPaint paint = null)
{
DrawImage(image, p.X, p.Y, paint);
}
public SKImage Snapshot() => SKImage.GetObject(SkiaApi.sk_surface_new_image_snapshot(Handle));
public SKImage Snapshot(SKRectI bounds) => SKImage.GetObject(SkiaApi.sk_surface_new_image_snapshot_with_crop(Handle, &bounds));
public static SKImageFilter CreateImage(SKImage image, SKRect src, SKRect dst, SKFilterQuality filterQuality)
{
if (image == null)
throw new ArgumentNullException(nameof(image));
return GetObject<SKImageFilter>(SkiaApi.sk_imagefilter_new_image_source(image.Handle, &src, &dst, filterQuality));
}
// Draw*Lattice
public void DrawBitmapLattice(SKBitmap bitmap, int[] xDivs, int[] yDivs, SKRect dst, SKPaint paint = null)
{
using var image = SKImage.FromBitmap(bitmap);
DrawImageLattice(image, xDivs, yDivs, dst, paint);
}
public void DrawBitmap(SKBitmap bitmap, float x, float y, SKPaint paint = null)
{
using var image = SKImage.FromBitmap(bitmap);
DrawImage(image, x, y, paint);
}
public void DrawBitmap(SKBitmap bitmap, SKRect source, SKRect dest, SKPaint paint = null)
{
using var image = SKImage.FromBitmap(bitmap);
DrawImage(image, source, dest, paint);
}
public void DrawAtlas(SKImage atlas, SKRect[] sprites, SKRotationScaleMatrix[] transforms, SKColor[] colors, SKBlendMode mode, SKRect cullRect, SKPaint paint) => DrawAtlas(atlas, sprites, transforms, colors, mode, &cullRect, paint);
// DrawAtlas
public void DrawAtlas(SKImage atlas, SKRect[] sprites, SKRotationScaleMatrix[] transforms, SKPaint paint) =>
DrawAtlas(atlas, sprites, transforms, null, SKBlendMode.Dst, null, paint);
public void DrawBitmapLattice(SKBitmap bitmap, SKLattice lattice, SKRect dst, SKPaint paint = null)
{
using var image = SKImage.FromBitmap(bitmap);
DrawImageLattice(image, lattice, dst, paint);
}
public void DrawImageLattice(SKImage image, int[] xDivs, int[] yDivs, SKRect dst, SKPaint paint = null)
{
if (image == null)
throw new ArgumentNullException (nameof (image));
if (xDivs == null)
throw new ArgumentNullException (nameof (xDivs));
if (yDivs == null)
throw new ArgumentNullException (nameof (yDivs));
SkiaApi.sk_canvas_draw_image_lattice (Handle, image.Handle, xDivs, xDivs.Length, yDivs, yDivs.Length, ref dst, paint == null ? IntPtr.Zero : paint.Handle);
}
// CreateImage public static SKShader CreateImage (SKImage src) => CreateImage (src, SKShaderTileMode.Clamp, SKShaderTileMode.Clamp);
public void DrawImage(SKImage image, SKRect source, SKRect dest, SKPaint paint = null)
{
if (image == null)
throw new ArgumentNullException (nameof (image));
SkiaApi.sk_canvas_draw_image_rect (Handle, image.Handle, ref source, ref dest, paint == null ? IntPtr.Zero : paint.Handle);
}
public void DrawImage(SKImage image, float x, float y, SKPaint paint = null)
{
if (image == null)
throw new ArgumentNullException (nameof (image));
SkiaApi.sk_canvas_draw_image (Handle, image.Handle, x, y, paint == null ? IntPtr.Zero : paint.Handle);
}
public void DrawImageLattice (SKImage image, int[] xDivs, int[] yDivs, SKRect dst, SKPaint paint = null)
{
var lattice = new SKLattice {
Bounds = null,
Flags = null,
XDivs = xDivs,
YDivs = yDivs
};
DrawImageLattice (image, lattice, dst, paint);
}
public void DrawImageNinePatch(SKImage image, SKRectI center, SKRect dst, SKPaint paint = null)
{
if (image == null)
throw new ArgumentNullException (nameof (image));
// the "center" rect must fit inside the image "rect"
if (!SKRect.Create (image.Width, image.Height).Contains (center))
throw new ArgumentOutOfRangeException (nameof (center));
var xDivs = new [] { center.Left, center.Right };
var yDivs = new [] { center.Top, center.Bottom };
DrawImageLattice (image, xDivs, yDivs, dst, paint);
}
public unsafe void DrawImageLattice (SKImage image, SKLattice lattice, SKRect dst, SKPaint paint = null)
{
if (image == null)
throw new ArgumentNullException (nameof (image));
if (lattice.XDivs == null)
throw new ArgumentNullException (nameof (lattice.XDivs));
if (lattice.YDivs == null)
throw new ArgumentNullException (nameof (lattice.YDivs));
fixed (int* x = lattice.XDivs)
fixed (int* y = lattice.YDivs)
fixed (SKLatticeFlags* f = lattice.Flags) {
var nativeLattice = new SKLatticeInternal {
fBounds = null,
fFlags = f,
fXCount = lattice.XDivs.Length,
fXDivs = x,
fYCount = lattice.YDivs.Length,
fYDivs = y,
};
if (lattice.Bounds != null) {
var bounds = lattice.Bounds.Value;
nativeLattice.fBounds = &bounds;
}
SkiaApi.sk_canvas_draw_image_lattice (Handle, image.Handle, ref nativeLattice, ref dst, paint == null ? IntPtr.Zero : paint.Handle);
}
}
