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t/private/javascripts/wz_jsgraphics.js  view on Meta::CPAN

				oy = pxt[i];
			}
		}
		this._mkDiv(cx-a, cy-oy, 1, (oy<<1)+hod);
		this._mkDiv(cx+ox+wod, cy-oy, 1, (oy<<1)+hod);
	}
}

function _mkOvDott(left, top, width, height)
{
	var a = (++width)>>1, b = (++height)>>1,
	wod = width&1, hod = height&1, hodu = hod^1,
	cx = left+a, cy = top+b,
	x = 0, y = b,
	aa2 = (a*a)<<1, aa4 = aa2<<1, bb2 = (b*b)<<1, bb4 = bb2<<1,
	st = (aa2>>1)*(1-(b<<1)) + bb2,
	tt = (bb2>>1) - aa2*((b<<1)-1),
	drw = true;
	while(y > 0)
	{
		if(st < 0)
		{
			st += bb2*((x<<1)+3);
			tt += bb4*(++x);
		}
		else if(tt < 0)
		{
			st += bb2*((x<<1)+3) - aa4*(y-1);
			tt += bb4*(++x) - aa2*(((y--)<<1)-3);
		}
		else
		{
			tt -= aa2*((y<<1)-3);
			st -= aa4*(--y);
		}
		if(drw && y >= hodu) this._mkOvQds(cx, cy, x, y, 1, 1, wod, hod);
		drw = !drw;
	}
}

function _mkRect(x, y, w, h)
{
	var s = this.stroke;
	this._mkDiv(x, y, w, s);
	this._mkDiv(x+w, y, s, h);
	this._mkDiv(x, y+h, w+s, s);
	this._mkDiv(x, y+s, s, h-s);
}

function _mkRectDott(x, y, w, h)
{
	this.drawLine(x, y, x+w, y);
	this.drawLine(x+w, y, x+w, y+h);
	this.drawLine(x, y+h, x+w, y+h);
	this.drawLine(x, y, x, y+h);
}

function jsgFont()
{
	this.PLAIN = 'font-weight:normal;';
	this.BOLD = 'font-weight:bold;';
	this.ITALIC = 'font-style:italic;';
	this.ITALIC_BOLD = this.ITALIC + this.BOLD;
	this.BOLD_ITALIC = this.ITALIC_BOLD;
}
var Font = new jsgFont();

function jsgStroke()
{
	this.DOTTED = -1;
}
var Stroke = new jsgStroke();

function jsGraphics(cnv, wnd)
{
	this.setColor = function(x)
	{
		this.color = x.toLowerCase();
	};

	this.setStroke = function(x)
	{
		this.stroke = x;
		if(!(x+1))
		{
			this.drawLine = _mkLinDott;
			this._mkOv = _mkOvDott;
			this.drawRect = _mkRectDott;
		}
		else if(x-1 > 0)
		{
			this.drawLine = _mkLin2D;
			this._mkOv = _mkOv2D;
			this.drawRect = _mkRect;
		}
		else
		{
			this.drawLine = _mkLin;
			this._mkOv = _mkOv;
			this.drawRect = _mkRect;
		}
	};

	this.setPrintable = function(arg)
	{
		this.printable = arg;
		if(jg_fast)
		{
			this._mkDiv = _mkDivIe;
			this._htmRpc = arg? _htmPrtRpc : _htmRpc;
		}
		else this._mkDiv = arg? _mkDivPrt : _mkDiv;
	};

	this.setFont = function(fam, sz, sty)
	{
		this.ftFam = fam;
		this.ftSz = sz;
		this.ftSty = sty || Font.PLAIN;
	};