public object EndRender()
{
var result = _canvas;
_canvas = null;
return(result);
}
public void BeginRender(float width, float height)
{
_canvas = (HtmlCanvasElement)document.createElement("canvas");
_canvas.width = (int)width;
_canvas.height = (int)height;
_canvas.style.width = width + "px";
_canvas.style.height = height + "px";
_context = (CanvasRenderingContext2D)_canvas.getContext("2d");
_context.textBaseline = "top";
}
private static void CreateCanvasElement()
{
var canvas = new HtmlCanvasElement {
id = "canvas2D"
};
canvas.style.width = new JsString("100%");
canvas.style.height = new JsString("100%");
HtmlContext.document.body.appendChild(canvas);
_canvasRenderingContext2D = canvas.As <HtmlCanvasElement>().getContext("2d").As <CanvasRenderingContext2D>();
}
public PointerPoint GetCurrentPoint(HtmlCanvasElement relativeTo)
#endif
{
if (relativeTo == null)
{
#if MIGRATION
return(base.GetPosition(null));
#else
return(base.GetCurrentPoint(null));
#endif
}
else
{
#if MIGRATION
Point pointerPoint = base.GetPosition(this.HtmlCanvas);
#else
PointerPoint pointerPoint = base.GetCurrentPoint(this.HtmlCanvas);
#endif
Stack <HtmlCanvasElement> elem = HtmlCanvas.SearchElement(this.HtmlCanvas, relativeTo);
#if MIGRATION
double x = pointerPoint.X;
double y = pointerPoint.Y;
#else
double x = pointerPoint.Position.X;
double y = pointerPoint.Position.Y;
#endif
if (elem == null)
{
return(pointerPoint);
}
while (elem.Count > 0)
{
var e = elem.Pop();
x -= e.X;
y -= e.Y;
}
#if MIGRATION
pointerPoint = new Point(x, y);
#else
pointerPoint.Position = new Point(x, y);
#endif
return(pointerPoint);
}
}
public static void RegisterContextMenu(HtmlCanvasElement htmlCanvasElement, ContextMenu contextMenu)
{
if (contextMenu != null)
{
// Remember the HtmlCanvasElement:
contextMenu.INTERNAL_HtmlCanvasElementToWhichThisMenuIsAssigned = htmlCanvasElement;
// Register the right-click event:
htmlCanvasElement.RightTapped -= HtmlCanvasElement_RightTapped; // Note: we unregister the event first, in order not to register twice.
htmlCanvasElement.RightTapped += HtmlCanvasElement_RightTapped;
}
else
{
UnregisterContextMenu(htmlCanvasElement);
}
}
public CanvasPattern CreatePattern(HtmlCanvasElement canvas, JsString repetitionType) { return default(CanvasPattern); }
public void DrawImage(HtmlCanvasElement canvas, double sx, double sy, double sw, double sh, double dx, double dy, double dw, double dh) { }
public void DrawImage(HtmlCanvasElement canvas, double dx, double dy) { }
public void TexSubImage2D(int target, int level, int xoffset, int yoffset, int format, int type, HtmlCanvasElement canvas)
{
}
public void TexSubImage2D(int target, int level, int xoffset, int yoffset, int format, int type, HtmlCanvasElement canvas) { }
public void TexImage2D(int target, int level, int internalformat, int format, int type, HtmlCanvasElement canvas) { }
public CanvasPattern CreatePattern(HtmlCanvasElement canvas, JsString repetitionType)
{
return(default(CanvasPattern));
}
public void DrawImage(HtmlCanvasElement canvas, double sx, double sy, double sw, double sh, double dx, double dy, double dw, double dh)
{
}
public void DrawImage(HtmlCanvasElement canvas, double dx, double dy)
{
}
public Point GetPosition(HtmlCanvasElement relativeTo)
public static void UnregisterContextMenu(HtmlCanvasElement htmlCanvasElement)
{
// Unregister all events:
htmlCanvasElement.RightTapped -= HtmlCanvasElement_RightTapped;
}
public void TexImage2D(int target, int level, int internalformat, int format, int type, HtmlCanvasElement canvas)
{
}