public virtual BitmapData clone()
{
var bitmapData = new BitmapData();
var canvas = new HTMLCanvasElement();
canvas.Width = this.width;
canvas.Height = this.height;
var context2d = canvas.GetContext(CanvasTypes.CanvasContext2DType.CanvasRenderingContext2D);
var ctx = new RenderingContext2D(context2d);
this.drawSelf(context2d, 0, 0, this.width, this.height);
bitmapData.internalImage = context2d;
return(bitmapData);
}
public virtual void draw(IBitmapDrawable source, Matrix matrix = null, ColorTransform colorTransform = null, string blendMode = null, Rectangle clipRect = null, bool smoothing = false)
{
var sourceDisplayObject = source as DisplayObject;
if (sourceDisplayObject != null)
{
if (clipRect != null)
{
this.width = (int)clipRect.width;
this.height = (int)clipRect.height;
}
else
{
this.width = (int)sourceDisplayObject.width;
this.height = (int)sourceDisplayObject.height;
}
if (matrix != null)
{
sourceDisplayObject.transform.matrix = matrix;
}
if (colorTransform != null)
{
sourceDisplayObject.transform.colorTransform = colorTransform;
}
RenderingContext2D ctx;
CanvasRenderingContext2D result;
if (_internalImage.FastAs <CanvasRenderingContext2D>() != null)
{
ctx = new RenderingContext2D((CanvasRenderingContext2D)_internalImage);
result = (CanvasRenderingContext2D)_internalImage;
}
else
{
var canvas = new HTMLCanvasElement();
canvas.Width = this.width;
canvas.Height = this.height;
var context2d = canvas.GetContext(CanvasTypes.CanvasContext2DType.CanvasRenderingContext2D);
ctx = new RenderingContext2D(context2d);
this.drawSelf(context2d, 0, 0, this.width, this.height);
result = context2d;
}
ctx.ctx.Save();
if (clipRect != null)
{
ctx.ctx.Rect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
ctx.ctx.Clip();
}
if (matrix != null)
{
ctx.SetTransform(matrix.a, matrix.b, matrix.c, matrix.d, matrix.tx, matrix.ty);
}
if (blendMode != null)
{
ctx.blendMode = blendMode;
}
sourceDisplayObject.draw(ctx);
internalImage = result;
ctx.ctx.Restore();
}
}
