internal Globals(bool fast, VsaEngine engine)
{
this.engine = engine;
this.callContextStack = null;
this.scopeStack = null;
this.caller = DBNull.Value;
this.regExpTable = null;
if (fast)
{
this.globalObject = GlobalObject.commonInstance;
}
else
{
this.globalObject = new LenientGlobalObject(engine);
}
}
/// <summary>
/// Set default values to the canvas fields
/// </summary>
private void SetDefaultValues()
{
//When the context is created, the font of the context must be set to 10px sans-serif.
_family = new FontFamily(GenericFontFamilies.Serif);
_parsedFont = new Font(_family, 10, FontStyle.Regular, GraphicsUnit.Pixel);
_font = _parsedFont.ToString();
path = new GraphicsPath();
path.FillMode = FillMode.Winding;
stack = new Stack<CanvasState> {};
//_fillStyle = "rgba(0,0,0,0)";
_transformation = new Matrix();
_globalAlpha = 1.0;
_globalCompositeOperation = "source-over";
_textAlign = "start";
_textBaseLine = "alphabetic";
lineWidth = 1.0;
lineCap = "butt";
lineJoin = "miter";
miterLimit = 10.0;
_shadowColor = "rgba(0,0,0,0)";
_shadowOffsetX = 0;
_shadowOffsetY = 0;
_shadowBlur = 0;
surface.SmoothingMode = SmoothingMode.HighQuality;
surface.InterpolationMode = InterpolationMode.HighQualityBicubic;
surface.PixelOffsetMode = PixelOffsetMode.HighQuality;
surface.PageUnit = GraphicsUnit.Pixel;
//scale(surface.DpiX/96, surface.DpiY/96);
//surface.PageScale = surface.DpiX * 2/96;
_compositier = new Compositer();
}
public CanvasRenderingContext2D(Canvas surface, object container, bool visible)
{
_surface = surface;
_path = new CanvasPath(_surface);
_stack = new Stack<CanvasState>();
_visible = visible;
_container = container;
SetDefaultValues();
OnPartialDraw += CanvasRenderingContext2D_OnPartialDraw;
PluginShaderFilter();
}