--- /dev/null
+if(!dojo._hasResource["dojox.gfx._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.gfx._base"] = true;
+dojo.provide("dojox.gfx._base");
+
+(function(){
+ var g = dojox.gfx, b = g._base;
+
+ // candidates for dojox.style (work on VML and SVG nodes)
+ g._hasClass = function(/*DomNode*/node, /*String*/classStr){
+ // summary:
+ // Returns whether or not the specified classes are a portion of the
+ // class list currently applied to the node.
+ // return (new RegExp('(^|\\s+)'+classStr+'(\\s+|$)')).test(node.className) // Boolean
+ return ((" "+node.getAttribute("className")+" ").indexOf(" "+classStr+" ") >= 0); // Boolean
+ }
+ g._addClass = function(/*DomNode*/node, /*String*/classStr){
+ // summary:
+ // Adds the specified classes to the end of the class list on the
+ // passed node.
+ var cls = node.getAttribute("className");
+ if((" "+cls+" ").indexOf(" "+classStr+" ") < 0){
+ node.setAttribute("className", cls + (cls ? ' ' : '') + classStr);
+ }
+ }
+ g._removeClass = function(/*DomNode*/node, /*String*/classStr){
+ // summary: Removes classes from node.
+ node.setAttribute("className", node.getAttribute("className").replace(new RegExp('(^|\\s+)'+classStr+'(\\s+|$)'), "$1$2"));
+ }
+
+
+ // candidate for dojox.html.metrics (dynamic font resize handler is not implemented here)
+
+ // derived from Morris John's emResized measurer
+ b._getFontMeasurements = function(){
+ // summary
+ // Returns an object that has pixel equivilents of standard font size values.
+ var heights = {
+ '1em':0, '1ex':0, '100%':0, '12pt':0, '16px':0, 'xx-small':0, 'x-small':0,
+ 'small':0, 'medium':0, 'large':0, 'x-large':0, 'xx-large':0
+ };
+
+ if(dojo.isIE){
+ // we do a font-size fix if and only if one isn't applied already.
+ // NOTE: If someone set the fontSize on the HTML Element, this will kill it.
+ dojo.doc.documentElement.style.fontSize="100%";
+ }
+
+ // set up the measuring node.
+ var div=dojo.doc.createElement("div");
+ div.style.position="absolute";
+ div.style.left="-100px";
+ div.style.top="0";
+ div.style.width="30px";
+ div.style.height="1000em";
+ div.style.border="0";
+ div.style.margin="0";
+ div.style.padding="0";
+ div.style.outline="0";
+ div.style.lineHeight="1";
+ div.style.overflow="hidden";
+ dojo.body().appendChild(div);
+
+ // do the measurements.
+ for(var p in heights){
+ div.style.fontSize = p;
+ heights[p] = Math.round(div.offsetHeight * 12/16) * 16/12 / 1000;
+ }
+
+ dojo.body().removeChild(div);
+ div = null;
+ return heights; // object
+ };
+
+ var fontMeasurements = null;
+
+ b._getCachedFontMeasurements = function(recalculate){
+ if(recalculate || !fontMeasurements){
+ fontMeasurements = b._getFontMeasurements();
+ }
+ return fontMeasurements;
+ };
+
+ // candidate for dojox.html.metrics
+
+ var measuringNode = null, empty = {};
+ b._getTextBox = function(/* String */ text, /* Object */ style, /* String? */ className){
+ var m;
+ if(!measuringNode){
+ m = measuringNode = dojo.doc.createElement("div");
+ m.style.position = "absolute";
+ m.style.left = "-10000px";
+ m.style.top = "0";
+ dojo.body().appendChild(m);
+ }else{
+ m = measuringNode;
+ }
+ // reset styles
+ m.className = "";
+ m.style.border = "0";
+ m.style.margin = "0";
+ m.style.padding = "0";
+ m.style.outline = "0";
+ // set new style
+ if(arguments.length > 1 && style){
+ for(var i in style){
+ if(i in empty){ continue; }
+ m.style[i] = style[i];
+ }
+ }
+ // set classes
+ if(arguments.length > 2 && className){
+ m.className = className;
+ }
+ // take a measure
+ m.innerHTML = text;
+ return dojo.marginBox(m);
+ };
+
+ // candidate for dojo.dom
+
+ var uniqueId = 0;
+ b._getUniqueId = function(){
+ // summary: returns a unique string for use with any DOM element
+ var id;
+ do{
+ id = dojo._scopeName + "Unique" + (++uniqueId);
+ }while(dojo.byId(id));
+ return id;
+ };
+})();
+
+dojo.mixin(dojox.gfx, {
+ // summary: defines constants, prototypes, and utility functions
+
+ // default shapes, which are used to fill in missing parameters
+ defaultPath: {type: "path", path: ""},
+ defaultPolyline: {type: "polyline", points: []},
+ defaultRect: {type: "rect", x: 0, y: 0, width: 100, height: 100, r: 0},
+ defaultEllipse: {type: "ellipse", cx: 0, cy: 0, rx: 200, ry: 100},
+ defaultCircle: {type: "circle", cx: 0, cy: 0, r: 100},
+ defaultLine: {type: "line", x1: 0, y1: 0, x2: 100, y2: 100},
+ defaultImage: {type: "image", x: 0, y: 0, width: 0, height: 0, src: ""},
+ defaultText: {type: "text", x: 0, y: 0, text: "",
+ align: "start", decoration: "none", rotated: false, kerning: true },
+ defaultTextPath: {type: "textpath", text: "",
+ align: "start", decoration: "none", rotated: false, kerning: true },
+
+ // default geometric attributes
+ defaultStroke: {type: "stroke", color: "black", style: "solid", width: 1, cap: "butt", join: 4},
+ defaultLinearGradient: {type: "linear", x1: 0, y1: 0, x2: 100, y2: 100,
+ colors: [{offset: 0, color: "black"}, {offset: 1, color: "white"}]},
+ defaultRadialGradient: {type: "radial", cx: 0, cy: 0, r: 100,
+ colors: [{offset: 0, color: "black"}, {offset: 1, color: "white"}]},
+ defaultPattern: {type: "pattern", x: 0, y: 0, width: 0, height: 0, src: ""},
+ defaultFont: {type: "font", style: "normal", variant: "normal", weight: "normal",
+ size: "10pt", family: "serif"},
+
+ normalizeColor: function(/*Color*/ color){
+ // summary: converts any legal color representation to normalized dojo.Color object
+ return (color instanceof dojo.Color) ? color : new dojo.Color(color); // dojo.Color
+ },
+ normalizeParameters: function(existed, update){
+ // summary: updates an existing object with properties from an "update" object
+ // existed: Object: the "target" object to be updated
+ // update: Object: the "update" object, whose properties will be used to update the existed object
+ if(update){
+ var empty = {};
+ for(var x in existed){
+ if(x in update && !(x in empty)){
+ existed[x] = update[x];
+ }
+ }
+ }
+ return existed; // Object
+ },
+ makeParameters: function(defaults, update){
+ // summary: copies the original object, and all copied properties from the "update" object
+ // defaults: Object: the object to be cloned before updating
+ // update: Object: the object, which properties are to be cloned during updating
+ if(!update) return dojo.clone(defaults);
+ var result = {};
+ for(var i in defaults){
+ if(!(i in result)){
+ result[i] = dojo.clone((i in update) ? update[i] : defaults[i]);
+ }
+ }
+ return result; // Object
+ },
+ formatNumber: function(x, addSpace){
+ // summary: converts a number to a string using a fixed notation
+ // x: Number: number to be converted
+ // addSpace: Boolean?: if it is true, add a space before a positive number
+ var val = x.toString();
+ if(val.indexOf("e") >= 0){
+ val = x.toFixed(4);
+ }else{
+ var point = val.indexOf(".");
+ if(point >= 0 && val.length - point > 5){
+ val = x.toFixed(4);
+ }
+ }
+ if(x < 0){
+ return val; // String
+ }
+ return addSpace ? " " + val : val; // String
+ },
+ // font operations
+ makeFontString: function(font){
+ // summary: converts a font object to a CSS font string
+ // font: Object: font object (see dojox.gfx.defaultFont)
+ return font.style + " " + font.variant + " " + font.weight + " " + font.size + " " + font.family; // Object
+ },
+ splitFontString: function(str){
+ // summary: converts a CSS font string to a font object
+ // str: String: a CSS font string
+ var font = dojo.clone(dojox.gfx.defaultFont);
+ var t = str.split(/\s+/);
+ do{
+ if(t.length < 5){ break; }
+ font.style = t[0];
+ font.varian = t[1];
+ font.weight = t[2];
+ var i = t[3].indexOf("/");
+ font.size = i < 0 ? t[3] : t[3].substring(0, i);
+ var j = 4;
+ if(i < 0){
+ if(t[4] == "/"){
+ j = 6;
+ break;
+ }
+ if(t[4].substr(0, 1) == "/"){
+ j = 5;
+ break;
+ }
+ }
+ if(j + 3 > t.length){ break; }
+ font.size = t[j];
+ font.family = t[j + 1];
+ }while(false);
+ return font; // Object
+ },
+ // length operations
+ cm_in_pt: 72 / 2.54, // Number: centimeters per inch
+ mm_in_pt: 7.2 / 2.54, // Number: millimeters per inch
+ px_in_pt: function(){
+ // summary: returns a number of pixels per point
+ return dojox.gfx._base._getCachedFontMeasurements()["12pt"] / 12; // Number
+ },
+ pt2px: function(len){
+ // summary: converts points to pixels
+ // len: Number: a value in points
+ return len * dojox.gfx.px_in_pt(); // Number
+ },
+ px2pt: function(len){
+ // summary: converts pixels to points
+ // len: Number: a value in pixels
+ return len / dojox.gfx.px_in_pt(); // Number
+ },
+ normalizedLength: function(len) {
+ // summary: converts any length value to pixels
+ // len: String: a length, e.g., "12pc"
+ if(len.length == 0) return 0;
+ if(len.length > 2){
+ var px_in_pt = dojox.gfx.px_in_pt();
+ var val = parseFloat(len);
+ switch(len.slice(-2)){
+ case "px": return val;
+ case "pt": return val * px_in_pt;
+ case "in": return val * 72 * px_in_pt;
+ case "pc": return val * 12 * px_in_pt;
+ case "mm": return val / dojox.gfx.mm_in_pt * px_in_pt;
+ case "cm": return val / dojox.gfx.cm_in_pt * px_in_pt;
+ }
+ }
+ return parseFloat(len); // Number
+ },
+
+ // a constant used to split a SVG/VML path into primitive components
+ pathVmlRegExp: /([A-Za-z]+)|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g,
+ pathSvgRegExp: /([A-Za-z])|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g,
+
+ equalSources: function(a, b){
+ // summary: compares event sources, returns true if they are equal
+ return a && b && a == b;
+ }
+});
+
+}
projects / eow / blobdiff