📄 rounded.js
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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.widget.Rounded");
dojo.widget.tags.addParseTreeHandler("dojo:rounded");
dojo.require("dojo.widget.*");
dojo.require("dojo.widget.ContentPane");
dojo.require("dojo.html.style");
dojo.require("dojo.html.display");
dojo.require("dojo.gfx.color");
dojo.deprecated("dojo.widget.Rounded will be removed in version 0.5; you can now apply rounded corners to any block element using dojo.lfx.rounded.", "0.5");
dojo.widget.defineWidget("dojo.widget.Rounded", dojo.widget.ContentPane, {isSafari:dojo.render.html.safari, boxMargin:"50px", radius:14, domNode:"", corners:"TR,TL,BR,BL", antiAlias:true, fillInTemplate:function (args, frag) {
dojo.widget.Rounded.superclass.fillInTemplate.call(this, args, frag);
dojo.html.insertCssFile(this.templateCssPath);
if (this.domNode.style.height <= 0) {
var minHeight = (this.radius * 1) + this.domNode.clientHeight;
this.domNode.style.height = minHeight + "px";
}
if (this.domNode.style.width <= 0) {
var minWidth = (this.radius * 1) + this.domNode.clientWidth;
this.domNode.style.width = minWidth + "px";
}
var cornersAvailable = ["TR", "TL", "BR", "BL"];
var cornersPassed = this.corners.split(",");
this.settings = {antiAlias:this.antiAlias};
var setCorner = function (currentCorner) {
var val = currentCorner.toLowerCase();
if (dojo.lang.inArray(cornersPassed, currentCorner)) {
this.settings[val] = {radius:this.radius, enabled:true};
} else {
this.settings[val] = {radius:0};
}
};
dojo.lang.forEach(cornersAvailable, setCorner, this);
this.domNode.style.margin = this.boxMargin;
this.curvyCorners(this.settings);
this.applyCorners();
}, curvyCorners:function (settings) {
this.box = this.domNode;
this.topContainer = null;
this.bottomContainer = null;
this.masterCorners = [];
var boxHeight = dojo.html.getStyle(this.box, "height");
if (boxHeight == "") {
boxHeight = "0px";
}
var boxWidth = dojo.html.getStyle(this.box, "width");
var borderWidth = dojo.html.getStyle(this.box, "borderTopWidth");
if (borderWidth == "") {
borderWidth = "0px";
}
var borderColour = dojo.html.getStyle(this.box, "borderTopColor");
if (borderWidth > 0) {
this.antiAlias = true;
}
var boxColour = dojo.html.getStyle(this.box, "backgroundColor");
var backgroundImage = dojo.html.getStyle(this.box, "backgroundImage");
var boxPosition = dojo.html.getStyle(this.box, "position");
this.boxHeight = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1) ? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight));
this.boxWidth = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1) ? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth));
this.borderWidth = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1) ? borderWidth.slice(0, borderWidth.indexOf("px")) : 0));
var test = new dojo.gfx.color.Color(boxColour);
this.boxColour = ((boxColour != "" && boxColour != "transparent") ? ((boxColour.substr(0, 3) == "rgb") ? this.rgb2Hex(boxColour) : boxColour) : "#ffffff");
this.borderColour = ((borderColour != "" && borderColour != "transparent" && this.borderWidth > 0) ? ((borderColour.substr(0, 3) == "rgb") ? this.rgb2Hex(borderColour) : borderColour) : this.boxColour);
this.borderString = this.borderWidth + "px" + " solid " + this.borderColour;
this.backgroundImage = ((backgroundImage != "none") ? backgroundImage : "");
if (boxPosition != "absolute") {
this.box.style.position = "relative";
}
this.applyCorners = function () {
for (var t = 0; t < 2; t++) {
switch (t) {
case 0:
if (this.settings.tl.enabled || this.settings.tr.enabled) {
var newMainContainer = document.createElement("DIV");
with (newMainContainer.style) {
width = "100%";
fontSize = "1px";
overflow = "hidden";
position = "absolute";
paddingLeft = this.borderWidth + "px";
paddingRight = this.borderWidth + "px";
var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0);
height = topMaxRadius + "px";
top = 0 - topMaxRadius + "px";
left = 0 - this.borderWidth + "px";
}
this.topContainer = this.box.appendChild(newMainContainer);
}
break;
case 1:
if (this.settings.bl.enabled || this.settings.br.enabled) {
var newMainContainer = document.createElement("DIV");
with (newMainContainer.style) {
width = "100%";
fontSize = "1px";
overflow = "hidden";
position = "absolute";
paddingLeft = this.borderWidth + "px";
paddingRight = this.borderWidth + "px";
var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0);
height = botMaxRadius + "px";
bottom = 0 - botMaxRadius + "px";
left = 0 - this.borderWidth + "px";
}
this.bottomContainer = this.box.appendChild(newMainContainer);
}
break;
}
}
if (this.topContainer) {
this.box.style.borderTopWidth = "0px";
}
if (this.bottomContainer) {
this.box.style.borderBottomWidth = "0px";
}
var corners = ["tr", "tl", "br", "bl"];
for (var i in corners) {
var cc = corners[i];
if (!this.settings[cc]) {
if (((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null)) {
var newCorner = document.createElement("DIV");
newCorner.style.position = "relative";
newCorner.style.fontSize = "1px";
newCorner.style.overflow = "hidden";
if (this.backgroundImage == "") {
newCorner.style.backgroundColor = this.boxColour;
} else {
newCorner.style.backgroundImage = this.backgroundImage;
}
switch (cc) {
case "tl":
with (newCorner.style) {
height = topMaxRadius - this.borderWidth + "px";
marginRight = this.settings.tr.radius - (this.borderWidth * 2) + "px";
borderLeft = this.borderString;
borderTop = this.borderString;
left = -this.borderWidth + "px";
}
break;
case "tr":
with (newCorner.style) {
height = topMaxRadius - this.borderWidth + "px";
marginLeft = this.settings.tl.radius - (this.borderWidth * 2) + "px";
borderRight = this.borderString;
borderTop = this.borderString;
backgroundPosition = "-" + this.boxWidth + "px 0px";
left = this.borderWidth + "px";
}
break;
case "bl":
with (newCorner.style) {
height = botMaxRadius - this.borderWidth + "px";
marginRight = this.settings.br.radius - (this.borderWidth * 2) + "px";
borderLeft = this.borderString;
borderBottom = this.borderString;
left = -this.borderWidth + "px";
}
break;
case "br":
with (newCorner.style) {
height = botMaxRadius - this.borderWidth + "px";
marginLeft = this.settings.bl.radius - (this.borderWidth * 2) + "px";
borderRight = this.borderString;
borderBottom = this.borderString;
left = this.borderWidth + "px";
}
break;
}
}
} else {
if (this.masterCorners[this.settings[cc].radius]) {
var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);
} else {
var newCorner = document.createElement("DIV");
with (newCorner.style) {
height = this.settings[cc].radius + "px";
width = this.settings[cc].radius + "px";
position = "absolute";
fontSize = "1px";
overflow = "hidden";
}
var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth);
for (var intx = 0, j = this.settings[cc].radius; intx < j; intx++) {
if ((intx + 1) >= borderRadius) {
var y1 = -1;
} else {
var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx + 1), 2))) - 1);
}
if (borderRadius != j) {
if ((intx) >= borderRadius) {
var y2 = -1;
} else {
var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow(intx, 2)));
}
if ((intx + 1) >= j) {
var y3 = -1;
} else {
var y3 = (Math.floor(Math.sqrt(Math.pow(j, 2) - Math.pow((intx + 1), 2))) - 1);
}
}
if ((intx) >= j) {
var y4 = -1;
} else {
var y4 = Math.ceil(Math.sqrt(Math.pow(j, 2) - Math.pow(intx, 2)));
}
if (y1 > -1) {
this.drawPixel(intx, 0, this.boxColour, 100, (y1 + 1), newCorner, -1, this.settings[cc].radius);
}
if (borderRadius != j) {
if (this.antiAlias) {
for (var inty = (y1 + 1); inty < y2; inty++) {
if (this.backgroundImage != "") {
var borderFract = (this.pixelFraction(intx, inty, borderRadius) * 100);
if (borderFract < 30) {
this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius);
} else {
this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius);
}
} else {
var pixelcolour = dojo.gfx.color.blend(this.boxColour, this.borderColour, this.pixelFraction(intx, inty, borderRadius));
this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius);
}
}
}
if (y3 >= y2) {
if (y1 == -1) {
y1 = 0;
}
this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, this.settings[cc].radius);
}
var outsideColour = this.borderColour;
} else {
var outsideColour = this.boxColour;
var y3 = y1;
}
if (this.antiAlias) {
for (var inty = (y3 + 1); inty < y4; inty++) {
this.drawPixel(intx, inty, outsideColour, (this.pixelFraction(intx, inty, j) * 100), 1, newCorner, ((this.borderWidth > 0) ? 0 : -1), this.settings[cc].radius);
}
}
}
this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);
}
if (cc != "br") {
for (var t = 0, k = newCorner.childNodes.length; t < k; t++) {
var pixelBar = newCorner.childNodes[t];
var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px")));
var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px")));
var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px")));
if (cc == "tl" || cc == "bl") {
pixelBar.style.left = this.settings[cc].radius - pixelBarLeft - 1 + "px";
}
if (cc == "tr" || cc == "tl") {
pixelBar.style.top = this.settings[cc].radius - pixelBarHeight - pixelBarTop + "px";
}
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