Feex,
Скрипт script.js там открыто лежит...
var canvas;
var ctx;
var images = [ // predefined array of used images
'images/pic1.jpg',
'images/pic2.jpg',
'images/pic3.jpg',
'images/pic4.jpg',
'images/pic5.jpg',
'images/pic6.jpg',
'images/pic7.jpg',
'images/pic8.jpg',
'images/pic9.jpg',
'images/pic10.jpg'
];
var iActiveImage = 0;
$(function(){
// drawing active image
var image = new Image();
image.onload = function () {
ctx.drawImage(image, 0, 0, image.width, image.height); // draw the image on the canvas
}
image.src = images[iActiveImage];
// creating canvas object
canvas = document.getElementById('panel');
ctx = canvas.getContext('2d');
$('#panel').mousemove(function(e) { // mouse move handler
var canvasOffset = $(canvas).offset();
var canvasX = Math.floor(e.pageX - canvasOffset.left);
var canvasY = Math.floor(e.pageY - canvasOffset.top);
var imageData = ctx.getImageData(canvasX, canvasY, 1, 1);
var pixel = imageData.data;
var pixelColor = "rgba("+pixel[0]+", "+pixel[1]+", "+pixel[2]+", "+pixel[3]+")";
$('#preview').css('backgroundColor', pixelColor);
});
$('#panel').click(function(e) { // mouse click handler
var canvasOffset = $(canvas).offset();
var canvasX = Math.floor(e.pageX - canvasOffset.left);
var canvasY = Math.floor(e.pageY - canvasOffset.top);
var imageData = ctx.getImageData(canvasX, canvasY, 1, 1);
var pixel = imageData.data;
$('#rVal').val(pixel[0]);
$('#gVal').val(pixel[1]);
$('#bVal').val(pixel[2]);
$('#rgbVal').val(pixel[0]+','+pixel[1]+','+pixel[2]);
$('#rgbaVal').val(pixel[0]+','+pixel[1]+','+pixel[2]+','+pixel[3]);
var dColor = pixel[2] + 256 * pixel[1] + 65536 * pixel[0];
$('#hexVal').val( '#' + dColor.toString(16) );
});
$('#swImage').click(function(e) { // switching images
iActiveImage++;
if (iActiveImage >= 10) iActiveImage = 0;
image.src = images[iActiveImage];
});
});
