public ContextProxy(Graphics s, Bitmap bitmap, Pen stroke, IFill fill, bool visible, ICanvasProxy canvasElement)
: base(Guid.NewGuid())
{
_target = new CanvasRenderingContext2D(s, bitmap, stroke, fill, visible, canvasElement);
_target.OnPartialDraw += new OnPartialDrawHanlder(_target_OnPartialDraw);
//////////
// Add all members with dispids from the concrete type
//////////
base.AddIntrinsicMembers();
_canvasElement = canvasElement;
}
public HTMLCanvasElement(ICanvasProxy proxy)
{
//by default timer for surface update is disabled
timer.Enabled = false;
Paint += HTMLCanvasElement_Paint;
//Resize += HTMLCanvasElement_Resize;
Name = "HTMLCanvasElement";
_proxy = proxy;
//style
_style = new CSSStyleDeclaration(this);
_style.StyleChanged += new StyleChangedHandler(OnStyleChanged);
}
public CanvasRenderingContext2D(Graphics s, Bitmap bitmap, Pen stroke, IFill fill, bool visible, ICanvasProxy canvasElement)
: this(s, bitmap, stroke, fill, visible)
{
_canvasElement = canvasElement;
}
/// <summary>
/// Factory method returns appropriate HTMLCanvasElement instance, dependent on loaded framework version
/// </summary>
/// <returns></returns>
public IHTMLCanvasElement CreateCanvasElement(ICanvasProxy proxy)
{
Assembly assembly = GetAssembly();
if (assembly != null)
{
if (_currentTypeFactory == null)
{
_currentTypeFactory = assembly.GetType(string.Format("{0}.HTMLCanvasElement", GetNamespace()));
if (_currentTypeFactory == null) return null;
}
//TODO: make proxy optional?
IHTMLCanvasElement element = Activator.CreateInstance(_currentTypeFactory, proxy) as IHTMLCanvasElement;
return element;
}
return null;
}
public string GetElementId(ICanvasProxy canvasProxy)
{
if(canvasProxy is IReflect)
{
MemberInfo[] memberInfos = ((IReflect) canvasProxy).GetMember("id",
BindingFlags.Public | BindingFlags.GetProperty |
BindingFlags.GetField);
if(memberInfos.Length > 0)
{
MemberInfo idInfo = memberInfos[0];
if(idInfo is PropertyInfo)
{
return (string)((PropertyInfo)idInfo).GetValue(canvasProxy, BindingFlags.Instance, null, null, null);
}
}
}
return string.Empty;
}