Function AlignmentPattern

src/alignpat.js:26–63

(posX, posY,  estimatedModuleSize)

function AlignmentPattern(posX, posY,  estimatedModuleSize)
{
	this.x=posX;
	this.y=posY;
	this.count = 1;
	this.estimatedModuleSize = estimatedModuleSize;
	
	this.__defineGetter__("EstimatedModuleSize", function()
	{
		return this.estimatedModuleSize;
	}); 
	this.__defineGetter__("Count", function()
	{
		return this.count;
	});
	this.__defineGetter__("X", function()
	{
		return Math.floor(this.x);
	});
	this.__defineGetter__("Y", function()
	{
		return Math.floor(this.y);
	});
	this.incrementCount = function()
	{
		this.count++;
	}
	this.aboutEquals=function( moduleSize,  i,  j)
		{
			if (Math.abs(i - this.y) <= moduleSize && Math.abs(j - this.x) <= moduleSize)
			{
				var moduleSizeDiff = Math.abs(moduleSize - this.estimatedModuleSize);
				return moduleSizeDiff <= 1.0 || moduleSizeDiff / this.estimatedModuleSize <= 1.0;
			}
			return false;
		}
	
}

function AlignmentPatternFinder( image,  startX,  startY,  width,  height,  moduleSize,  resultPointCallback)
{