Created
August 4, 2011 21:41
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| do ($ = jQuery) -> | |
| methods = | |
| split_at_colon: (points) -> | |
| points.split(":") | |
| split_at_comma: (points) -> | |
| if typeof points == "object" | |
| for mini_array in points | |
| for num in mini_array.split(",") | |
| parseInt(num) | |
| else | |
| points.split(",") | |
| process_points: (points) -> | |
| level_one = methods.split_at_colon(points) | |
| methods.split_at_comma(level_one) | |
| draw: (points) -> | |
| squiggle = methods.process_points(points) | |
| for points, index in squiggle | |
| if index == 0 | |
| @trigger({ | |
| type: 'mousedown' | |
| clientX: points[0] | |
| clientY: points[1] | |
| }); | |
| else | |
| @trigger({ | |
| type: 'mousemove' | |
| clientX: points[0] | |
| clientY: points[1] | |
| }) | |
| @trigger('mouseup') | |
| true | |
| get_pixel_data: (points_string, obj) -> | |
| jqobj = obj ? @ | |
| points = methods.split_at_comma(points_string) | |
| canvas = jqobj.get(0).getContext('2d') | |
| image_data = canvas.getImageData(points[0], points[1], 1, 1) | |
| [image_data.data[0], image_data.data[1], image_data.data[2], image_data.data[3]] | |
| color_is: (points_string, r, g, b, a) -> | |
| pixel = methods.get_pixel_data(points_string, @) | |
| (r is pixel[0] and b is pixel[1] and g is pixel[2] and a is pixel[3]) | |
| $.fn.test_draw = (method) -> | |
| if methods[method] | |
| return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 )); | |
| else if typeof method == 'object' | |
| return methods.draw.apply( this, arguments ) |
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