public virtual void Init(WriteableBitmap w, IGrap9Attr attr)
{
if (attr != null)
{
size = attr.size;
hard = attr.hard;
blend = attr.blend;
dilution = attr.dilution;
persistence = attr.persistence;
density = attr.density;
space = attr.space;
step = attr.step;
size_prs = attr.size_prs;
size_fade = attr.size_fade;
randrota = attr.randrota;
randpos = attr.randpos;
randsize = attr.randsize;
randsharp = attr.randsharp;
color = attr.color;
bgurl = attr.bgurl;
fgurl = attr.fgurl;
}
}
public override void Init(WriteableBitmap bmp, IGrap9Attr attr = null)
{
var newbg = attr.bgurl != bgurl || attr.fgurl != fgurl || attr.hard != hard;
base.Init(bmp, attr);
b = bmp;
source = new CanvasRenderTarget(
device, b.PixelWidth, b.PixelHeight, 96,
Windows.Graphics.DirectX.DirectXPixelFormat.B8G8R8A8UIntNormalized,
CanvasAlphaMode.Premultiplied
);
Canvas = new CanvasRenderTarget(
device, b.PixelWidth, b.PixelHeight, 96,
Windows.Graphics.DirectX.DirectXPixelFormat.B8G8R8A8UIntNormalized,
CanvasAlphaMode.Premultiplied
);
Invalidate(true);
try
{
if (newbg)
{
if (fgurl != "")
{
var img = LayerPaint.Img.Create(fgurl);
Shape = CanvasBitmap.CreateFromBytes(
device, img.PixelBuffer, img.PixelWidth, img.PixelHeight,
Windows.Graphics.DirectX.DirectXPixelFormat.B8G8R8A8UIntNormalized
);
}
else
{
var px = 200;
var csize = Canvas.Size;
var sample = new CanvasRenderTarget(device, 2 * px, 2 * px, 96,
Windows.Graphics.DirectX.DirectXPixelFormat.B8G8R8A8UIntNormalized, CanvasAlphaMode.Premultiplied
);
var tb = new CanvasRadialGradientBrush(device, new[] {
new CanvasGradientStop()
{
Color = Color.FromArgb(255, 255, 255, 255), Position = hard
},
new CanvasGradientStop()
{
Color = Color.FromArgb(255, 0, 0, 0), Position = 1f
},
}, CanvasEdgeBehavior.Clamp, CanvasAlphaMode.Straight);
using (var s = sample.CreateDrawingSession())
{
tb.RadiusX = px; tb.RadiusY = px; tb.Center = new Vector2(px, px);
s.FillRectangle(0, 0, px * 2, px * 2, tb);
}
Shape = sample;
}
if (bgurl != "")
{
var img = LayerPaint.Img.Create(bgurl);
Texture = CanvasBitmap.CreateFromBytes(
device, img.PixelBuffer, img.PixelWidth, img.PixelHeight,
Windows.Graphics.DirectX.DirectXPixelFormat.B8G8R8A8UIntNormalized
);
}
else
{
Texture = null;
}
//fgurl = bgurl= "";
}
}
catch (Exception e)
{
new Windows.UI.Popups.MessageDialog(e.ToString()).ShowMux();
}
Loadd();
}