From: Ulrich-Matthias Schäfer Date: Fri, 7 Jul 2017 07:43:02 +0000 (+0200) Subject: reworked textPath (see #705) X-Git-Tag: 3.0.0~80 X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=b9ce105304f8d381ea7731cd12c2b9c499b4f37c;p=svg.js.git reworked textPath (see #705) --- diff --git a/CHANGELOG.md b/CHANGELOG.md index b18c88b..f1203f3 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -12,6 +12,7 @@ The document follows the conventions described in [“Keep a CHANGELOG”](http: ### Added - added `SVG.$()` and `SVG.$$()` which will query for one/multiple elements +- added `text()` method to `SVG.Path` to create a textPath from this path (#705) - added `random` option and `randomize()` method to `SVG.Color` -> __TODO!__ - added `precision()` method to round numeric element attributes -> __TODO!__ @@ -39,6 +40,10 @@ The document follows the conventions described in [“Keep a CHANGELOG”](http: - changed `style()` to `css()`. Now accepts array as input and returns object when no argument given (#517) - ids are not generated upon creation anymore. Instead they are generated when requested (#559) - `SVG.extend()` now expects exactly one module or an array of modules +- `SVG.Text.path()` now returns an instance of SVG.TextPath (#705) +- `SVG.Text.path()` does not move all contents to the textPath (#705) +- `SVG.TextPath` now inherits from `SVG.Text` and can be manipulated the same way (#705) +- `SVG.Text.textPath()` now returns all textPaths in the text element (#705) ### Fixed - fixed a bug in clipping and masking where empty nodes persists after removal -> __TODO!__ diff --git a/dist/svg.js b/dist/svg.js index 9e983c8..d1af023 100644 --- a/dist/svg.js +++ b/dist/svg.js @@ -6,7 +6,7 @@ * @copyright Wout Fierens * @license MIT * -* BUILT: Thu Jul 06 2017 11:05:46 GMT+0200 (Mitteleuropäische Sommerzeit) +* BUILT: Fri Jul 07 2017 09:42:27 GMT+0200 (Mitteleuropäische Sommerzeit) */; (function(root, factory) { /* istanbul ignore next */ @@ -4100,7 +4100,6 @@ SVG.Path = SVG.invent({ , height: function(height) { return height == null ? this.bbox().height : this.size(this.bbox().width, height) } - } // Add parent method @@ -4216,10 +4215,16 @@ SVG.Text = SVG.invent({ if (typeof text === 'undefined'){ var text = '' var children = this.node.childNodes + var firstLine = 0 for(var i = 0, len = children.length; i < len; ++i){ + // skip textPaths - they are no lines + if(children[i].nodeName == 'textPath') { + if(i == 0) firstLine = 1 + continue + } // add newline if its not the first child and newLined is set to true - if(i != 0 && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){ + if(i != firstLine && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){ text += '\n' } @@ -4278,8 +4283,8 @@ SVG.Text = SVG.invent({ this.each(function() { if (this.dom.newLined) { - if (!self.textPath()) - this.attr('x', self.attr('x')) + this.attr('x', self.attr('x')) + if(this.text() == '\n') { blankLineOffset += dy }else{ @@ -4358,7 +4363,6 @@ SVG.Tspan = SVG.invent({ return this.dy(t.dom.leading * t.attr('font-size')).attr('x', t.x()) } } - }) SVG.extend([SVG.Text, SVG.Tspan], { @@ -4375,18 +4379,18 @@ SVG.extend([SVG.Text, SVG.Tspan], { } // Create a tspan , tspan: function(text) { - var node = (this.textPath && this.textPath() || this).node - , tspan = new SVG.Tspan + var tspan = new SVG.Tspan // clear if build mode is disabled - if (this._build === false) + if (!this._build) this.clear() // add new tspan - node.appendChild(tspan.node) + this.node.appendChild(tspan.node) return tspan.text(text) } + // FIXME: Does this also work for textpath? // Get length of text element , length: function() { return this.node.getComputedTextLength() @@ -4398,32 +4402,14 @@ SVG.TextPath = SVG.invent({ create: 'textPath' // Inherit from -, inherit: SVG.Parent +, inherit: SVG.Text // Define parent class -, parent: SVG.Text +, parent: SVG.Parent // Add parent method -, construct: { +, extend: { morphArray: SVG.PathArray - // Create path for text to run on - , path: function(d) { - // create textPath element - var path = new SVG.TextPath - , track = this.doc().defs().path(d) - - // move lines to textpath - while (this.node.hasChildNodes()) - path.node.appendChild(this.node.firstChild) - - // add textPath element as child node - this.node.appendChild(path.node) - - // link textPath to path and add content - path.attr('href', '#' + track, SVG.xlink) - - return this - } // return the array of the path track element , array: function() { var track = this.track() @@ -4441,19 +4427,52 @@ SVG.TextPath = SVG.invent({ return (d == null) ? pathArray : this } - // Get the path track element + // Get the path element , track: function() { - var path = this.textPath() + return this.reference('href') + } + } +, construct: { + textPath: function(text, path) { + return this.defs().path(path).text(text).addTo(this) + } + } +}) - if (path) - return path.reference('href') +SVG.extend([SVG.Text], { + // Create path for text to run on + path: function(track) { + var path = new SVG.TextPath + + // if d is a path, reuse it + if(!(track instanceof SVG.Path)) { + // create path element + track = this.doc().defs().path(track) } - // Get the textPath child + + // link textPath to path and add content + path.attr('href', '#' + track, SVG.xlink) + + // add textPath element as child node and return textPath + return this.put(path) + } + // Todo: make this plural? + // Get the textPath children , textPath: function() { - if (this.node.firstChild && this.node.firstChild.nodeName == 'textPath') - return SVG.adopt(this.node.firstChild) + return this.select('textPath') + } +}) + +SVG.extend([SVG.Path], { + // creates a textPath from this path + text: function(text) { + if(text instanceof SVG.Text) { + var txt = text.text() + return text.clear().path(this).text(txt) } + return this.parent().put(new SVG.Text()).path(this).text(text) } + // TODO: Maybe add `targets` to get all textPaths associated with this path }) SVG.Nested = SVG.invent({ diff --git 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"+this.height},morph:function(t,e,n,i){return this.destination=new b.Box(t,e,n,i),this},at:function(t){return this.destination?new b.Box(this.x+(this.destination.x-this.x)*t,this.y+(this.destination.y-this.y)*t,this.width+(this.destination.width-this.width)*t,this.height+(this.destination.height-this.height)*t):this}},parent:b.Element,construct:{bbox:function(){var t;try{if(t=this.node.getBBox(),n(t)&&!i(this.node))throw new Exception("Element not in the dom")}catch(n){try{var e=this.clone(b.parser.draw.instance).show();t=e.node.getBBox(),e.remove()}catch(t){console.warn("Getting a bounding box of this element is not possible")}}return new b.Box(t)},rbox:function(t){try{var e=new b.Box(this.node.getBoundingClientRect());return t?e.transform(t.screenCTM().inverse()):e.addOffset()}catch(t){return new b.Box}}}}),b.extend([b.Doc,b.Nested,b.Symbol,b.Image,b.Pattern,b.Marker,b.ForeignObject,b.View],{viewbox:function(t,e,n,i){return null==t?new b.Box(this.attr("viewBox")):this.attr("viewBox",new b.Box(t,e,n,i))}}),b}); \ No newline at end of file diff --git a/spec/spec/fx.js b/spec/spec/fx.js index 4a54229..36c7f37 100644 --- a/spec/spec/fx.js +++ b/spec/spec/fx.js @@ -2072,23 +2072,25 @@ describe('FX', function() { var startValue = new SVG.PathArray('M10 80 C 40 10, 65 10, 95 80 S 150 150, 180 80') , endValue = new SVG.PathArray('M10 80 C 40 150, 65 150, 95 80 S 150 10, 180 80') , morph = new SVG.PathArray(startValue).morph(endValue) + , textPath var text = draw.text(function(add) { add.tspan("We go up and down, then we go down, then up again") }) - fx = text.path(startValue).animate(500).plot(endValue) + textPath = text.path(startValue) + fx = textPath.animate(500).plot(endValue) fx.start() - expect(text.array()).toEqual(morph.at(0)) + expect(textPath.array()).toEqual(morph.at(0)) jasmine.clock().tick(250) // Have the animation be half way fx.step() - expect(text.array()).toEqual(morph.at(0.5)) + expect(textPath.array()).toEqual(morph.at(0.5)) jasmine.clock().tick(250) // Have the animation reach its end fx.step() - expect(text.array()).toEqual(morph.at(1)) + expect(textPath.array()).toEqual(morph.at(1)) }) it('should allow plot to be called on a line', function() { @@ -2151,21 +2153,22 @@ describe('FX', function() { var path = 'M 100 200 C 200 100 300 0 400 100 C 500 200 600 300 700 200 C 800 100 900 100 900 100' - text.path(path).font({ size: 42.5, family: 'Verdana' }) + var textPath = text.path(path).font({ size: 42.5, family: 'Verdana' }) + - text.textPath().attr('startOffset', startValue) - fx = text.textPath().animate(1000).attr('startOffset', endValue) + textPath.attr('startOffset', startValue) + fx = textPath.animate(1000).attr('startOffset', endValue) fx.start() - expect(text.textPath().attr('startOffset')).toBe(morph.at(0).value) + expect(textPath.attr('startOffset')).toBe(morph.at(0).value) jasmine.clock().tick(500) // Have the animation be half way fx.step() - expect(text.textPath().attr('startOffset')).toBe(morph.at(0.5).value) + expect(textPath.attr('startOffset')).toBe(morph.at(0.5).value) jasmine.clock().tick(500) // Have the animation reach its end fx.step() - expect(text.textPath().attr('startOffset')).toBe(morph.at(1).value) + expect(textPath.attr('startOffset')).toBe(morph.at(1).value) }) it('should be possible to animate non-numeric attributes', function () { @@ -2220,21 +2223,21 @@ describe('FX', function() { var path = 'M 100 200 C 200 100 300 0 400 100 C 500 200 600 300 700 200 C 800 100 900 100 900 100' - text.path(path).font({ size: 42.5, family: 'Verdana' }) + var textPath = text.path(path).font({ size: 42.5, family: 'Verdana' }) - text.textPath().attr('startOffset', startValue) - fx = text.textPath().animate(1000).attr('startOffset', endValue) + textPath.attr('startOffset', startValue) + fx = textPath.animate(1000).attr('startOffset', endValue) fx.start() - expect(text.textPath().attr('startOffset')).toBe(morph.at(0).toString()) + expect(textPath.attr('startOffset')).toBe(morph.at(0).toString()) jasmine.clock().tick(500) // Have the animation be half way fx.step() - expect(text.textPath().attr('startOffset')).toBe(morph.at(0.5).toString()) + expect(textPath.attr('startOffset')).toBe(morph.at(0.5).toString()) jasmine.clock().tick(500) // Have the animation reach its end fx.step() - expect(text.textPath().attr('startOffset')).toBe(morph.at(1).toString()) + expect(textPath.attr('startOffset')).toBe(morph.at(1).toString()) }) it('should allow 0 to be specified without unit', function () { diff --git a/spec/spec/textpath.js b/spec/spec/textpath.js index ee046ea..e64f721 100644 --- a/spec/spec/textpath.js +++ b/spec/spec/textpath.js @@ -1,33 +1,49 @@ describe('TextPath', function() { var text + , path + , txt = 'We go up, then we go down, then up again' , data = 'M 100 200 C 200 100 300 0 400 100 C 500 200 600 300 700 200 C 800 100 900 100 900 100' beforeEach(function() { - text = draw.text('We go up, then we go down, then up again') + text = draw.text(txt) + path = draw.path(data) }) afterEach(function() { draw.clear() }) - describe('path()', function() { - it('returns the text element', function() { - expect(text.path(data)).toBe(text) + describe('text().path()', function() { + it('returns an instance of TextPath', function() { + expect(text.path(data) instanceof SVG.TextPath).toBe(true) }) it('creates a textPath node in the text element', function() { text.path(data) - expect(text.node.firstChild.nodeName).toBe('textPath') + expect(text.node.querySelector('textPath')).not.toBe(null) + }) + }) + + describe('path().text()', function() { + it('returns an instance of TextPath', function() { + expect(path.text(txt) instanceof SVG.TextPath).toBe(true) + }) + it('creates a text with textPath node and inserts it after the path', function() { + var instance = path.text(txt) + expect(instance.parent() instanceof SVG.Text).toBe(true) + expect(SVG.adopt(path.node.nextSibling) instanceof SVG.Text).toBe(true) }) }) describe('textPath()', function() { - it('creates a reference to the textPath', function() { - expect(text.path(data).textPath() instanceof SVG.TextPath).toBe(true) + it('returns all textPath elements in a text', function() { + text.path(data) + expect(text.textPath().length).toBe(1) + expect(text.textPath()[0] instanceof SVG.TextPath).toBe(true) }) }) describe('track()', function() { - it('creates a reference to the path', function() { + it('returns the referenced path instance', function() { expect(text.path(data).track() instanceof SVG.Path).toBe(true) }) }) @@ -37,26 +53,18 @@ describe('TextPath', function() { expect(text.path(data).array()).toEqual(new SVG.PathArray(data)) }) it('return null if there is no underlying path', function () { - expect(text.array()).toBe(null) + expect(text.path(data).attr('href', null, SVG.xlink).array()).toBe(null) }) }) describe('plot()', function() { it('change the array of the underlying path when a string is passed', function() { - expect(text.path().plot(data)).toBe(text) - expect(text.array()).toEqual(new SVG.PathArray(data)) - }) - it('do nothing when a string is passed and there is no underlying path', function() { - expect(text.plot(data)).toBe(text) - expect(text.array()).toEqual(null) + expect(text.path().plot(data).array()).toEqual(new SVG.PathArray(data)) }) it('return the path array of the underlying path when no arguments is passed', function () { - text.path(data) - expect(text.plot()).toBe(text.array()) - expect(text.plot()).not.toBe(null) - }) - it('return null when no arguments is passed and there is no underlying path', function () { - expect(text.plot()).toBe(null) + var textPath = text.path(data) + expect(textPath.plot()).toBe(textPath.array()) + expect(textPath.plot()).not.toBe(null) }) }) }) diff --git a/src/path.js b/src/path.js index e5504bb..84392a2 100644 --- a/src/path.js +++ b/src/path.js @@ -50,7 +50,6 @@ SVG.Path = SVG.invent({ , height: function(height) { return height == null ? this.bbox().height : this.size(this.bbox().width, height) } - } // Add parent method diff --git a/src/text.js b/src/text.js index 13dbf92..1e93db7 100644 --- a/src/text.js +++ b/src/text.js @@ -49,10 +49,16 @@ SVG.Text = SVG.invent({ if (typeof text === 'undefined'){ var text = '' var children = this.node.childNodes + var firstLine = 0 for(var i = 0, len = children.length; i < len; ++i){ + // skip textPaths - they are no lines + if(children[i].nodeName == 'textPath') { + if(i == 0) firstLine = 1 + continue + } // add newline if its not the first child and newLined is set to true - if(i != 0 && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){ + if(i != firstLine && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){ text += '\n' } @@ -111,8 +117,8 @@ SVG.Text = SVG.invent({ this.each(function() { if (this.dom.newLined) { - if (!self.textPath()) - this.attr('x', self.attr('x')) + this.attr('x', self.attr('x')) + if(this.text() == '\n') { blankLineOffset += dy }else{ @@ -191,7 +197,6 @@ SVG.Tspan = SVG.invent({ return this.dy(t.dom.leading * t.attr('font-size')).attr('x', t.x()) } } - }) SVG.extend([SVG.Text, SVG.Tspan], { @@ -208,18 +213,18 @@ SVG.extend([SVG.Text, SVG.Tspan], { } // Create a tspan , tspan: function(text) { - var node = (this.textPath && this.textPath() || this).node - , tspan = new SVG.Tspan + var tspan = new SVG.Tspan // clear if build mode is disabled - if (this._build === false) + if (!this._build) this.clear() // add new tspan - node.appendChild(tspan.node) + this.node.appendChild(tspan.node) return tspan.text(text) } + // FIXME: Does this also work for textpath? // Get length of text element , length: function() { return this.node.getComputedTextLength() diff --git a/src/textpath.js b/src/textpath.js index 18e2149..2406e42 100644 --- a/src/textpath.js +++ b/src/textpath.js @@ -3,32 +3,14 @@ SVG.TextPath = SVG.invent({ create: 'textPath' // Inherit from -, inherit: SVG.Parent +, inherit: SVG.Text // Define parent class -, parent: SVG.Text +, parent: SVG.Parent // Add parent method -, construct: { +, extend: { morphArray: SVG.PathArray - // Create path for text to run on - , path: function(d) { - // create textPath element - var path = new SVG.TextPath - , track = this.doc().defs().path(d) - - // move lines to textpath - while (this.node.hasChildNodes()) - path.node.appendChild(this.node.firstChild) - - // add textPath element as child node - this.node.appendChild(path.node) - - // link textPath to path and add content - path.attr('href', '#' + track, SVG.xlink) - - return this - } // return the array of the path track element , array: function() { var track = this.track() @@ -46,17 +28,50 @@ SVG.TextPath = SVG.invent({ return (d == null) ? pathArray : this } - // Get the path track element + // Get the path element , track: function() { - var path = this.textPath() + return this.reference('href') + } + } +, construct: { + textPath: function(text, path) { + return this.defs().path(path).text(text).addTo(this) + } + } +}) - if (path) - return path.reference('href') +SVG.extend([SVG.Text], { + // Create path for text to run on + path: function(track) { + var path = new SVG.TextPath + + // if d is a path, reuse it + if(!(track instanceof SVG.Path)) { + // create path element + track = this.doc().defs().path(track) } - // Get the textPath child + + // link textPath to path and add content + path.attr('href', '#' + track, SVG.xlink) + + // add textPath element as child node and return textPath + return this.put(path) + } + // Todo: make this plural? + // Get the textPath children , textPath: function() { - if (this.node.firstChild && this.node.firstChild.nodeName == 'textPath') - return SVG.adopt(this.node.firstChild) + return this.select('textPath') + } +}) + +SVG.extend([SVG.Path], { + // creates a textPath from this path + text: function(text) { + if(text instanceof SVG.Text) { + var txt = text.text() + return text.clear().path(this).text(txt) } + return this.parent().put(new SVG.Text()).path(this).text(text) } + // TODO: Maybe add `targets` to get all textPaths associated with this path })