From f7be50c638587f5028a9c4cd54c433690c6fc671 Mon Sep 17 00:00:00 2001 From: wout Date: Wed, 6 Mar 2013 11:34:47 +0000 Subject: [PATCH] Added during() method and unit morphing to fx module --- README.md | 46 +++++++++++++++++++++++++++++- Rakefile | 4 +-- dist/svg.js | 75 ++++++++++++++++++++++++++++++++++++++----------- dist/svg.min.js | 4 +-- src/element.js | 7 +++-- src/fx.js | 59 +++++++++++++++++++++++++++++--------- src/regex.js | 7 +++++ 7 files changed, 166 insertions(+), 36 deletions(-) create mode 100644 src/regex.js diff --git a/README.md b/README.md index 3c926eb..d9d3237 100644 --- a/README.md +++ b/README.md @@ -332,6 +332,7 @@ draw.each(function(i, children) { ## Animating elements +### Invoking an animation Animating elements is very much the same as manipulating elements, the only difference is you have to include the `animate()` method: ```javascript @@ -344,7 +345,10 @@ The `animate()` method will take two arguments. The first is `milliseconds`, the rect.animate(2000, '>').attr({ fill: '#f03' }) ``` -By default `milliseconds` will be set to `1000`, `ease` will be set to `<>`. All available ease types are: +By default `milliseconds` will be set to `1000`, `ease` will be set to `<>`. + +### Easing +All available ease types are: - `<>`: ease in and out - `>`: ease out @@ -360,6 +364,7 @@ function(pos) { return (-Math.cos(pos * Math.PI) / 2) + 0.5; } For more easing equations, have a look at the [svg.easing.js](https://github.com/wout/svg.easing.js) plugin. +### Animatable methods Note that the `animate()` method will not return the targeted element but an instance of SVG.FX which will take the following methods: Of course `attr()`: @@ -382,6 +387,12 @@ If you include the sugar.js module, `rotate()` and `skew()` will be available as rect.animate().rotate(45).skew(25, 0) ``` +You can also animate non-numeric unit values unsing the `attr()` method: +```javascript +rect.attr('x', '10%').animate().attr('x', '50%') +``` + +### Stopping animations Animations can be stopped in two ways. By calling the `stop()` method: @@ -398,6 +409,39 @@ rect.animate().move(200, 200) rect.animate().center(200, 200) ``` +### Animating along keyframes +If you want to perform your own actions along and during the animations you can use the `along()` method: + +```javascript +var position + , from = 100 + , to = 300 + +rect.animate(3000).move(100, 100).along(function(pos) { + position = from + (to - from) * pos +}) +``` +Note that `pos` is `0` in the beginning of the animation and `1` at the end of the animation. + +To make things easier for you a convenience method is passed as the second argument. This method accepts a from and to value and can be a number, unit or hex color: + +```javascript +var ellipse = draw.ellipse(100, 100).attr('cx', '20%').fill('#333') + +rect.animate(3000).move(100, 100).during(function(pos, morph) { + /* numeric values */ + circle.size(morph(100, 200), morph(100, 50)) + + /* unit strings */ + circle.attr('cx', morph('20%', '80%')) + + /* hex color strings */ + circle.fill(morph('#333', '#ff0066')) +}) +``` + + +### After animation callback Finally, you can add callback methods using `after()`: ```javascript diff --git a/Rakefile b/Rakefile index 39a66bc..1484216 100644 --- a/Rakefile +++ b/Rakefile @@ -1,7 +1,7 @@ -SVGJS_VERSION = '0.7' +SVGJS_VERSION = '0.8' # all available modules in the correct loading order -MODULES = %w[ svg viewbox bbox element container fx event group arrange defs mask pattern gradient doc shape wrap rect ellipse line poly path image text nested sugar ] +MODULES = %w[ svg regex viewbox bbox element container fx event group arrange defs mask pattern gradient doc shape wrap rect ellipse line poly path image text nested sugar ] # how many bytes in a "kilobyte" KILO = 1024 diff --git a/dist/svg.js b/dist/svg.js index 32d5a8d..2be7b45 100644 --- a/dist/svg.js +++ b/dist/svg.js @@ -1,4 +1,4 @@ -/* svg.js v0.7-3-gca15876 - svg viewbox bbox element container fx event group arrange defs mask pattern gradient doc shape wrap rect ellipse line poly path image text nested sugar - svgjs.com/license */ +/* svg.js v0.8 - svg regex viewbox bbox element container fx event group arrange defs mask pattern gradient doc shape wrap rect ellipse line poly path image text nested sugar - svgjs.com/license */ (function() { this.svg = function(element) { @@ -45,6 +45,13 @@ if (!SVG.supported) return false; + SVG.regex = { + + unit: /^([\d\.]+)([a-z%]{0,2})$/ + + , hex: /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i + } + SVG.ViewBox = function(element) { var x, y, width, height , box = element.bbox() @@ -303,8 +310,11 @@ /* add rotation */ if (o.rotation != 0) { - var box = this.bbox() - transform.push('rotate(' + o.rotation + ',' + (o.cx != null ? o.cx : box.cx) + ',' + (o.cy != null ? o.cy : box.cy) + ')') + transform.push( + 'rotate(' + o.rotation + ',' + + (o.cx != null ? o.cx : this.bbox().cx) + ',' + + (o.cy != null ? o.cy : this.bbox().cy) + ')' + ) } /* add scale */ @@ -564,9 +574,9 @@ /* start animation */ this.interval = setInterval(function(){ // This code was borrowed from the emile.js micro framework by Thomas Fuchs, aka MadRobby. - var index, - time = (new Date).getTime(), - pos = time > finish ? 1 : (time - start) / duration + var index + , time = (new Date).getTime() + , pos = time > finish ? 1 : (time - start) / duration /* collect attribute keys */ if (akeys == null) { @@ -619,12 +629,18 @@ element.transform(tvalues) } + /* callback for each keyframe */ + if (fx._during) + fx._during.call(element, pos, function(from, to) { + return fx._at({ from: from, to: to }, pos) + }) + /* finish off animation */ if (time > finish) { clearInterval(fx.interval) fx._after ? fx._after.apply(element, [fx]) : fx.stop() } - + }, duration > 10 ? 10 : duration) return this @@ -680,6 +696,12 @@ return this } + // Add callback for each keyframe + , during: function(during) { + this._during = during + + return this + } // Callback after animation , after: function(after) { this._after = after @@ -692,31 +714,52 @@ clearInterval(this.interval) /* reset storage for properties that need animation */ - this.attrs = {} - this.trans = {} - this._move = null - this._size = null - this._after = null + this.attrs = {} + this.trans = {} + this._move = null + this._size = null + this._after = null + this._during = null return this } // Private: at position according to from and to , _at: function(o, pos) { - /* if a number, recalculate pos */ + /* number recalculation */ return typeof o.from == 'number' ? o.from + (o.to - o.from) * pos : - /* if animating to a color */ - o.to.r || /^#/.test(o.to) ? + /* unit recalculation */ + SVG.regex.unit.test(o.to) ? + this._unit(o, pos) : + + /* color recalculation */ + o.to && (o.to.r || /^#/.test(o.to)) ? this._color(o, pos) : /* for all other values wait until pos has reached 1 to return the final value */ pos < 1 ? o.from : o.to } + // Private: tween unit + , _unit: function(o, pos) { + var match, from + + /* convert FROM unit */ + match = SVG.regex.unit.exec(o.from.toString()) + from = parseFloat(match[1]) + + /* convert TO unit */ + match = SVG.regex.unit.exec(o.to) + + return (from + (parseFloat(match[1]) - from) * pos) + match[2] + } // Private: tween color , _color: function(o, pos) { var from, to + /* normalise pos */ + pos = pos < 0 ? 0 : pos > 1 ? 1 : pos + /* convert FROM hex to rgb */ from = this._h2r(o.from || '#000') @@ -733,7 +776,7 @@ // Private: convert hex to rgb object , _h2r: function(hex) { /* parse full hex */ - var match = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(this._fh(hex)) + var match = SVG.regex.hex.exec(this._fh(hex)) /* if the hex is successfully parsed, return it in rgb, otherwise return black */ return match ? { diff --git a/dist/svg.min.js b/dist/svg.min.js index 4d89059..ae77e28 100644 --- a/dist/svg.min.js +++ b/dist/svg.min.js @@ -1,2 +1,2 @@ -/* svg.js v0.7-3-gca15876 - svg viewbox bbox element container fx event group arrange defs mask pattern gradient doc shape wrap rect ellipse line poly path image text nested sugar - svgjs.com/license */ -(function(){this.svg=function(e){if(SVG.supported)return new SVG.Doc(e)},this.SVG={ns:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink",did:1e3,eid:function(e){return"Svgjs"+e.charAt(0).toUpperCase()+e.slice(1)+"Element"+SVG.did++},create:function(e){var t=document.createElementNS(this.ns,e);return t.setAttribute("id",this.eid(e)),t},extend:function(e,t){for(var n in 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SVG.Mask?e:this.parent.mask().add(e),this.attr("mask","url(#"+this.mask.attr("id")+")")}}),SVG.Pattern=function(e){this.constructor.call(this,SVG.create("pattern"))},SVG.Pattern.prototype=new SVG.Container,SVG.extend(SVG.Pattern,{fill:function(){return"url(#"+this.attr("id")+")"}}),SVG.extend(SVG.Defs,{pattern:function(e,t,n){var r=this.put(new SVG.Pattern);return n(r),r.attr({x:0,y:0,width:e,height:t,patternUnits:"userSpaceOnUse"})}}),SVG.Gradient=function(e){this.constructor.call(this,SVG.create(e+"Gradient")),this.type=e},SVG.Gradient.prototype=new SVG.Container,SVG.extend(SVG.Gradient,{from:function(e,t){return this.type=="radial"?this.attr({fx:e+"%",fy:t+"%"}):this.attr({x1:e+"%",y1:t+"%"})},to:function(e,t){return this.type=="radial"?this.attr({cx:e+"%",cy:t+"%"}):this.attr({x2:e+"%",y2:t+"%"})},radius:function(e){return this.type=="radial"?this.attr({r:e+"%"}):this},at:function(e){return this.put(new 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e,t=this,n=document.createElement("div");return n.style.cssText="position:relative;height:100%;",t.parent.appendChild(n),n.appendChild(t.node),e=function(){document.readyState==="complete"?(t.attr("style","position:absolute;"),setTimeout(function(){t.attr("style","position:relative;"),t.parent.removeChild(t.node.parentNode),t.node.parentNode.removeChild(t.node),t.parent.appendChild(t.node)},5)):setTimeout(e,10)},e(),this},SVG.Shape=function(e){this.constructor.call(this,e)},SVG.Shape.prototype=new SVG.Element,SVG.Wrap=function(e){this.constructor.call(this,SVG.create("g")),this.node.insertBefore(e.node,null),this.child=e,this.type=e.node.nodeName},SVG.Wrap.prototype=new SVG.Shape,SVG.extend(SVG.Wrap,{move:function(e,t){return this.transform({x:e,y:t})},size:function(e,t){var n=e/this._b.width;return this.child.transform({scaleX:n,scaleY:t!=null?t/this._b.height:n}),this},center:function(e,t){return this.move(e+this._b.width*this.child.trans.scaleX/-2,t+this._b.height*this.child.trans.scaleY/-2)},attr:function(e,t,n){if(typeof e=="object")for(t in e)this.attr(t,e[t]);else{if(arguments.length<2)return e=="transform"?this.attrs[e]:this.child.attrs[e];e=="transform"?(this.attrs[e]=t,n!=null?this.node.setAttributeNS(n,e,t):this.node.setAttribute(e,t)):this.child.attr(e,t,n)}return this},plot:function(e){return this.child.plot(e),this._b=this.child.bbox(),this.child.transform({x:-this._b.x,y:-this._b.y}),this}}),SVG.Rect=function(){this.constructor.call(this,SVG.create("rect"))},SVG.Rect.prototype=new SVG.Shape,SVG.Ellipse=function(){this.constructor.call(this,SVG.create("ellipse"))},SVG.Ellipse.prototype=new SVG.Shape,SVG.extend(SVG.Ellipse,{move:function(e,t){return this.attrs.x=e,this.attrs.y=t,this.center()},size:function(e,t){return this.attr({rx:e/2,ry:(t!=null?t:e)/2}).center()},center:function(e,t){return this.attr({cx:e||(this.attrs.x||0)+(this.attrs.rx||0),cy:t||(this.attrs.y||0)+(this.attrs.ry||0)})}}),SVG.Line=function(){this.constructor.call(this,SVG.create("line"))},SVG.Line.prototype=new SVG.Shape,SVG.extend(SVG.Line,{move:function(e,t){var n=this.bbox();return this.attr({x1:this.attr("x1")-n.x+e,y1:this.attr("y1")-n.y+t,x2:this.attr("x2")-n.x+e,y2:this.attr("y2")-n.y+t})},center:function(e,t){var n=this.bbox();return this.move(e-n.width/2,t-n.height/2)},size:function(e,t){var n=this.bbox();return this.attr(this.attr("x1")=0;t--)this.style["font-"+e[t]]!=null&&(n+="font-"+e[t]+":"+this.style["font-"+e[t]]+";");return n+="text-anchor:"+this.style["text-anchor"]+";",n}}),SVG.TSpan=function(){this.constructor.call(this,SVG.create("tspan"))},SVG.TSpan.prototype=new SVG.Shape,SVG.extend(SVG.TSpan,{text:function(e){return 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this.attr("opacity",e)}})}),SVG.Text&&SVG.extend(SVG.Text,{font:function(t){var n,r={};for(n in t)n=="leading"?r[n]=t[n]:n=="anchor"?r["text-anchor"]=t[n]:e.indexOf(n)>-1?r["font-"+n]=t[n]:void 0;return this.attr(r).text(this.content)}})}).call(this); \ No newline at end of file diff --git a/src/element.js b/src/element.js index 05008a8..63f8c31 100644 --- a/src/element.js +++ b/src/element.js @@ -199,8 +199,11 @@ SVG.extend(SVG.Element, { /* add rotation */ if (o.rotation != 0) { - var box = this.bbox() - transform.push('rotate(' + o.rotation + ',' + (o.cx != null ? o.cx : box.cx) + ',' + (o.cy != null ? o.cy : box.cy) + ')') + transform.push( + 'rotate(' + o.rotation + ',' + + (o.cx != null ? o.cx : this.bbox().cx) + ',' + + (o.cy != null ? o.cy : this.bbox().cy) + ')' + ) } /* add scale */ diff --git a/src/fx.js b/src/fx.js index 35f95bc..cf80f38 100644 --- a/src/fx.js +++ b/src/fx.js @@ -20,9 +20,9 @@ SVG.extend(SVG.FX, { /* start animation */ this.interval = setInterval(function(){ // This code was borrowed from the emile.js micro framework by Thomas Fuchs, aka MadRobby. - var index, - time = (new Date).getTime(), - pos = time > finish ? 1 : (time - start) / duration + var index + , time = (new Date).getTime() + , pos = time > finish ? 1 : (time - start) / duration /* collect attribute keys */ if (akeys == null) { @@ -75,12 +75,18 @@ SVG.extend(SVG.FX, { element.transform(tvalues) } + /* callback for each keyframe */ + if (fx._during) + fx._during.call(element, pos, function(from, to) { + return fx._at({ from: from, to: to }, pos) + }) + /* finish off animation */ if (time > finish) { clearInterval(fx.interval) fx._after ? fx._after.apply(element, [fx]) : fx.stop() } - + }, duration > 10 ? 10 : duration) return this @@ -136,6 +142,12 @@ SVG.extend(SVG.FX, { return this } + // Add callback for each keyframe +, during: function(during) { + this._during = during + + return this + } // Callback after animation , after: function(after) { this._after = after @@ -148,31 +160,52 @@ SVG.extend(SVG.FX, { clearInterval(this.interval) /* reset storage for properties that need animation */ - this.attrs = {} - this.trans = {} - this._move = null - this._size = null - this._after = null + this.attrs = {} + this.trans = {} + this._move = null + this._size = null + this._after = null + this._during = null return this } // Private: at position according to from and to , _at: function(o, pos) { - /* if a number, recalculate pos */ + /* number recalculation */ return typeof o.from == 'number' ? o.from + (o.to - o.from) * pos : - /* if animating to a color */ - o.to.r || /^#/.test(o.to) ? + /* unit recalculation */ + SVG.regex.unit.test(o.to) ? + this._unit(o, pos) : + + /* color recalculation */ + o.to && (o.to.r || /^#/.test(o.to)) ? this._color(o, pos) : /* for all other values wait until pos has reached 1 to return the final value */ pos < 1 ? o.from : o.to } + // Private: tween unit +, _unit: function(o, pos) { + var match, from + + /* convert FROM unit */ + match = SVG.regex.unit.exec(o.from.toString()) + from = parseFloat(match[1]) + + /* convert TO unit */ + match = SVG.regex.unit.exec(o.to) + + return (from + (parseFloat(match[1]) - from) * pos) + match[2] + } // Private: tween color , _color: function(o, pos) { var from, to + /* normalise pos */ + pos = pos < 0 ? 0 : pos > 1 ? 1 : pos + /* convert FROM hex to rgb */ from = this._h2r(o.from || '#000') @@ -189,7 +222,7 @@ SVG.extend(SVG.FX, { // Private: convert hex to rgb object , _h2r: function(hex) { /* parse full hex */ - var match = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(this._fh(hex)) + var match = SVG.regex.hex.exec(this._fh(hex)) /* if the hex is successfully parsed, return it in rgb, otherwise return black */ return match ? { diff --git a/src/regex.js b/src/regex.js new file mode 100644 index 0000000..7ecb557 --- /dev/null +++ b/src/regex.js @@ -0,0 +1,7 @@ +// Storage for regular expressions +SVG.regex = { + + unit: /^([\d\.]+)([a-z%]{0,2})$/ + +, hex: /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i +} \ No newline at end of file -- 2.39.5