-/*!
- * Color Wheel 0.1.0 - Raphael plugin
- *
- * Copyright (c) 2010 John Weir (http://famedriver.com) & Dmitry Baranovskiy (http://raphaeljs.com)
- * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
- */
(function (Raphael) {
- Raphael.colorpicker = function (x, y, size, initcolor, element) {
- return new ColorPicker(x, y, size, initcolor, element);
+ Raphael.colorwheel = function (x, y, size, initcolor, element) {
+ return new ColorWheel(x, y, size, initcolor, element);
};
var pi = Math.PI;
function angle(x, y) {
return (x < 0) * 180 + Math.atan(-y / -x) * 180 / pi;
}
- var doc = document, win = window,
- addEvent = (function () {
+ var doc = document, win = window;
+ var addEvent = (function () {
if (doc.addEventListener) {
return function (obj, type, fn, element) {
var f = function (e) {
return detacher;
};
}
- })(),
- ColorPicker = function (x, y, size, initcolor, element) {
- size = size || 200;
- var w3 = 3 * size / 200,
- w1 = size / 200,
- fi = 1.6180339887,
- segments = pi * size / 4,
- size20 = size / 20,
- size2 = size / 2,
- padding = 2 * size / 200,
- height = size + size20 * 2 + padding * 3,
- t = this,
- H = 1, S = 1, B = 1, s = size - (size20 * 4),
- r = element ? Raphael(element, size, height) : Raphael(x, y, size, height),
- xy = s / 6 + size20 * 2 + padding,
- wh = s * 2 / 3 - padding * 2;
- w1 < 1 && (w1 = 1);
- w3 < 1 && (w3 = 1);
+ })();
+ var ColorWheel = function (x, y, size, initcolor, element) {
+ size = size || 200;
+ var w3 = 3 * size / 200,
+ w1 = size / 200,
+ fi = 1.6180339887,
+ segments = pi * size / 5,
+ size20 = size / 20,
+ size2 = size / 2,
+ padding = 2 * size / 200,
+ t = this;
+ var H = 1, S = 1, B = 1, s = size - (size20 * 4);
+ var r = element ? Raphael(element, size, size) : Raphael(x, y, size, size),
+ xy = s / 6 + size20 * 2 + padding,
+ wh = s * 2 / 3 - padding * 2;
+ w1 < 1 && (w1 = 1);
+ w3 < 1 && (w3 = 1);
- // ring drawing
- var a = pi / 2 - pi * 2 / segments * 1.3,
- R = size2 - padding,
- R2 = size2 - padding - size20 * 2,
- path = ["M", size2, padding, "A", R, R, 0, 0, 1, R * Math.cos(a) + R + padding, R - R * Math.sin(a) + padding, "L", size2, size2, "z"].join();
- for (var i = 0; i < segments; i++) {
- r.path(path).attr({
- stroke: "none",
- fill: "hsb(" + (segments - i) * (255 / segments) + ", 255, 200)",
- rotation: [90 + (360 / segments) * i, size2, size2]
- });
- }
- r.circle(size2, size2, R).attr({
- fill: "r#fff-#fff",
- "fill-opacity": 0,
- "stroke-width": 3,
- stroke: "#fff"
- });
- t.cursor = r.set();
- t.cursor.push(r.circle(size2, size2, size20 / 2).attr({
- stroke: "#000",
- opacity: .5,
- "stroke-width": w3
- }));
- t.cursor.push(t.cursor[0].clone().attr({
- stroke: "#fff",
- opacity: 1,
- "stroke-width": w1
- }));
- t.disc = r.circle(size2, size2, R).attr({
- fill: "#000",
- "fill-opacity": 0,
+ // ring drawing
+ var a = pi / 2 - pi * 2 / segments * 1.3,
+ R = size2 - padding,
+ R2 = size2 - padding - size20 * 2,
+ path = ["M", size2, padding, "A", R, R, 0, 0, 1, R * Math.cos(a) + R + padding, R - R * Math.sin(a) + padding, "L", R2 * Math.cos(a) + R + padding, R - R2 * Math.sin(a) + padding, "A", R2, R2, 0, 0, 0, size2, padding + size20 * 2, "z"].join();
+ for (var i = 0; i < segments; i++) {
+ r.path(path).attr({
stroke: "none",
- cursor: "crosshair"
- });
- var style = t.disc.node.style;
- style.unselectable = "on";
- style.MozUserSelect = "none";
- style.WebkitUserSelect= "none";
-
- // brightness drawing
- var h = size20 * 2 + 2;
- t.brect = r.rect(padding + h / fi / 2, size + padding * 2, size - padding * 2 - h / fi, h - padding * 2).attr({
- stroke: "#fff",
- fill: "180-#fff-#000"
- });
- t.cursorb = r.set();
- t.cursorb.push(r.rect(size - padding - h / fi, size + padding, ~~(h / fi), h, 3 * size / 200).attr({
- stroke: "#000",
- opacity: .5,
- "stroke-width": w3
- }));
- t.cursorb.push(t.cursorb[0].clone().attr({
- stroke: "#fff",
- opacity: 1,
- "stroke-width": w1
- }));
- t.btop = t.brect.clone().attr({
- stroke: "#000",
- fill: "#000",
- opacity: 0
+ fill: "hsb(" + i * (255 / segments) + ", 255, 200)",
+ rotation: [(360 / segments) * i, size2, size2]
});
- style = t.btop.node.style;
- style.unselectable = "on";
- style.MozUserSelect = "none";
- style.WebkitUserSelect= "none";
-
- t.minx = padding;
- t.maxx = size - h / fi - padding;
-
- t.H = t.S = t.B = 1;
- t.padding = padding;
- t.raphael = r;
- t.size2 = size2;
- t.size20 = size20;
- t.x = x;
- t.y = y;
+ }
+ r.path(["M", size2, padding, "A", R, R, 0, 1, 1, size2 - 1, padding, "l1,0", "M", size2, padding + size20 * 2, "A", R2, R2, 0, 1, 1, size2 - 1, padding + size20 * 2, "l1,0"]).attr({
+ "stroke-width": w3,
+ stroke: "#fff"
+ });
+ t.cursorhsb = r.set();
+ var h = size20 * 2 + 2;
+ t.cursorhsb.push(r.rect(size2 - h / fi / 2, padding - 1, h / fi, h, 3 * size / 200).attr({
+ stroke: "#000",
+ opacity: .5,
+ "stroke-width": w3
+ }));
+ t.cursorhsb.push(t.cursorhsb[0].clone().attr({
+ stroke: "#fff",
+ opacity: 1,
+ "stroke-width": w1
+ }));
+ t.ring = r.path(["M", size2, padding, "A", R, R, 0, 1, 1, size2 - 1, padding, "l1,0M", size2, padding + size20 * 2, "A", R2, R2, 0, 1, 1, size2 - 1, padding + size20 * 2, "l1,0"]).attr({
+ fill: "#000",
+ opacity: 0,
+ stroke: "none"
+ });
- // events
- t.hson = addEvent(t.disc.node, "mousedown", function (e) {
- var scrollY = doc.documentElement.scrollTop || doc.body.scrollTop,
- scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
- this.hsOnTheMove = true;
- this.setHS(e.clientX + scrollX - this.x, e.clientY + scrollY - this.y);
- this.docmove = addEvent(doc, "mousemove", this.docOnMove, this);
- this.docup = addEvent(doc, "mouseup", this.docOnUp, this);
- }, t);
- t.bon = addEvent(t.btop.node, "mousedown", function (e) {
- var scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
- this.bOnTheMove = true;
- this.setB(e.clientX + scrollX - this.x);
- this.docmove = addEvent(doc, "mousemove", this.docOnMove, this);
- this.docup = addEvent(doc, "mouseup", this.docOnUp, this);
- }, t);
- t.winunload = addEvent(win, "unload", function () {
- this.hson();
- this.bon();
- this.docmove && this.docmove();
- this.docup && this.docup();
- this.winunload();
- }, t);
+ // rect drawing
+ t.main = r.rect(xy, xy, wh, wh).attr({
+ stroke: "none",
+ fill: "#f00",
+ opacity: 1
+ });
+ t.main.clone().attr({
+ stroke: "none",
+ fill: "0-#fff-#fff",
+ opacity: 0
+ });
+ t.square = r.rect(xy - 1, xy - 1, wh + 2, wh + 2).attr({
+ r: 2,
+ stroke: "#fff",
+ "stroke-width": w3,
+ fill: "90-#000-#000",
+ opacity: 0,
+ cursor: "crosshair"
+ });
+ t.cursor = r.set();
+ t.cursor.push(r.circle(size2, size2, size20 / 2).attr({
+ stroke: "#000",
+ opacity: .5,
+ "stroke-width": w3
+ }));
+ t.cursor.push(t.cursor[0].clone().attr({
+ stroke: "#fff",
+ opacity: 1,
+ "stroke-width": w1
+ }));
+ t.H = t.S = t.B = 1;
+ t.raphael = r;
+ t.size2 = size2;
+ t.wh = wh;
+ t.x = x;
+ t.xy = xy;
+ t.y = y;
- t.color(initcolor || "#fff");
- this.onchanged && this.onchanged(this.color());
- };
- ColorPicker.prototype.setB = function (x) {
- x < this.minx && (x = this.minx);
- x > this.maxx && (x = this.maxx);
- this.cursorb.attr({x: x});
- this.B = (x - this.minx) / (this.maxx - this.minx);
- this.onchange && this.onchange(this.color());
+ // events
+ t.hsbon = addEvent(t.ring.node, "mousedown", function (e) {
+ this.hsbOnTheMove = true;
+ this.setH(e.clientX - this.x - this.size2, e.clientY - this.y - this.size2);
+ this.docmove = addEvent(doc, "mousemove", this.docOnMove, this);
+ this.docup = addEvent(doc, "mouseup", this.docOnUp, this);
+ }, t);
+ t.clron = addEvent(t.square.node, "mousedown", function (e) {
+ this.clrOnTheMove = true;
+ this.setSB(e.clientX - this.x, e.clientY - this.y);
+ this.docmove = addEvent(doc, "mousemove", this.docOnMove, this);
+ this.docup = addEvent(doc, "mouseup", this.docOnUp, this);
+ }, t);
+ t.winunload = addEvent(win, "unload", function () {
+ this.hsbon();
+ this.clron();
+ this.docmove && this.docmove();
+ this.docup && this.docup();
+ this.winunload();
+ }, t);
+
+ t.color(initcolor || "#f00");
+ this.onchanged && this.onchanged(this.color());
};
- ColorPicker.prototype.setHS = function (x, y) {
- var X = x - this.size2,
- Y = y - this.size2,
- R = this.size2 - this.size20 / 2 - this.padding,
- d = angle(X, Y),
+ ColorWheel.prototype.setH = function (x, y) {
+ var d = angle(x, y),
rd = d * pi / 180;
- isNaN(d) && (d = 0);
- if (X * X + Y * Y > R * R) {
- x = R * Math.cos(rd) + this.size2;
- y = R * Math.sin(rd) + this.size2;
- }
+ this.cursorhsb.rotate(d + 90, this.size2, this.size2);
+ this.H = (d + 90) / 360;
+ this.main.attr({fill: "hsb(" + this.H + ",1,1)"});
+ this.onchange && this.onchange(this.color());
+ };
+ ColorWheel.prototype.setSB = function (x, y) {
+ x < this.size2 - this.wh / 2 && (x = this.size2 - this.wh / 2);
+ x > this.size2 + this.wh / 2 && (x = this.size2 + this.wh / 2);
+ y < this.size2 - this.wh / 2 && (y = this.size2 - this.wh / 2);
+ y > this.size2 + this.wh / 2 && (y = this.size2 + this.wh / 2);
this.cursor.attr({cx: x, cy: y});
- this.H = (1 - d / 360) % 1;
- this.S = Math.min((X * X + Y * Y) / R / R, 1);
- this.brect.attr({fill: "180-hsb(" + [this.H, this.S] + ",1)-#000"});
+ this.B = 1 - (y - this.xy) / this.wh;
+ this.S = (x - this.xy) / this.wh;
this.onchange && this.onchange(this.color());
};
- ColorPicker.prototype.docOnMove = function (e) {
- var scrollY = doc.documentElement.scrollTop || doc.body.scrollTop,
- scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
- if (this.hsOnTheMove) {
- this.setHS(e.clientX + scrollX - this.x, e.clientY + scrollY - this.y);
+ ColorWheel.prototype.docOnMove = function (e) {
+ if (this.hsbOnTheMove) {
+ this.setH(e.clientX - this.x - this.size2, e.clientY - this.y - this.size2);
}
- if (this.bOnTheMove) {
- this.setB(e.clientX + scrollX - this.x);
+ if (this.clrOnTheMove) {
+ this.setSB(e.clientX - this.x, e.clientY - this.y);
}
e.preventDefault && e.preventDefault();
e.returnValue = false;
return false;
};
- ColorPicker.prototype.docOnUp = function (e) {
- this.hsOnTheMove = this.bOnTheMove = false;
+ ColorWheel.prototype.docOnUp = function (e) {
+ this.hsbOnTheMove = this.clrOnTheMove = false;
this.docmove();
delete this.docmove;
this.docup();
delete this.docup;
this.onchanged && this.onchanged(this.color());
};
- ColorPicker.prototype.remove = function () {
+ ColorWheel.prototype.remove = function () {
this.raphael.remove();
this.color = function () {
return false;
};
};
- ColorPicker.prototype.color = function (color) {
+ ColorWheel.prototype.color = function (color) {
if (color) {
color = Raphael.getRGB(color);
- var hex = color.hex;
color = Raphael.rgb2hsb(color.r, color.g, color.b);
- d = color.h * 360;
+ var d = color.h * 360;
this.H = color.h;
this.S = color.s;
this.B = color.b;
-
- this.cursorb.attr({x: this.B * (this.maxx - this.minx) + this.minx});
- this.brect.attr({fill: "180-hsb(" + [this.H, this.S] + ",1)-#000"});
-
- var d = (1 - this.H) * 360,
- rd = d * pi / 180,
- R = (this.size2 - this.size20 / 2 - this.padding) * this.S,
- x = Math.cos(rd) * R + this.size2,
- y = Math.sin(rd) * R + this.size2;
+ this.cursorhsb.rotate(d, this.size2, this.size2);
+ this.main.attr({fill: "hsb(" + this.H + ",1,1)"});
+ var x = this.S * this.wh + this.xy,
+ y = (1 - this.B) * this.wh + this.xy;
this.cursor.attr({cx: x, cy: y});
return this;
} else {
return Raphael.hsb2rgb(this.H, this.S, this.B).hex;
}
};
-})(window.Raphael);
\ No newline at end of file
+})(window.Raphael);
projects / raphael / commitdiff