Experimenting with draggable and resizable images in D3. Unfortunately, using a clip-path to put the images within circles causes some problems with resizing.
TODO:
- Implement something like this
Last active
August 29, 2017 14:02
-
-
Save tlfrd/9d123cbd9e399e9450b25522eecdec38 to your computer and use it in GitHub Desktop.
Draggable Images
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: mit |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| svg { | |
| background-color: #fffbef; | |
| } | |
| .circle-outline { | |
| fill: none; | |
| stroke: #dbdbdb; | |
| stroke-width: 2; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500) | |
| var image = { | |
| size: 100 | |
| } | |
| var defs = svg.append("defs"); | |
| var clipPath = defs.append("clipPath") | |
| .attr("id", "clip") | |
| .append("circle") | |
| .attr("cx", image.size / 2) | |
| .attr("cy", image.size / 2) | |
| .attr("r", image.size / 2); | |
| var glow = defs.append("filter") | |
| .attr("id", "glow"); | |
| glow.append("feGaussianBlur") | |
| .attr("class", "blur") | |
| .attr("stdDeviation", 3.5) | |
| .attr("result","coloredBlur"); | |
| var feMergeGlow = glow.append("feMerge"); | |
| feMergeGlow.append("feMergeNode") | |
| .attr("in","coloredBlur"); | |
| feMergeGlow.append("feMergeNode") | |
| .attr("in","SourceGraphic"); | |
| var doctorUrl1 = "http://68.media.tumblr.com/avatar_52ce5b752efa_128.png", | |
| doctorUrl2 = "https://curbsideprophecies.files.wordpress.com/2007/08/davidolder.thumbnail.png", | |
| doctorUrl3 = "https://68.media.tumblr.com/avatar_fde0361fb75d_128.png", | |
| doctorUrl4 = "https://68.media.tumblr.com/avatar_91eba9afde80_128.png"; | |
| appendDraggableImage(doctorUrl1, [70, 175]); | |
| appendDraggableImage(doctorUrl2, [310, 175]); | |
| appendDraggableImage(doctorUrl3, [550, 175]); | |
| appendDraggableImage(doctorUrl4, [790, 175]); | |
| function appendDraggableImage(url, position) { | |
| var imageGroup = svg.append("g") | |
| .datum({position: position}) | |
| .attr("transform", d => "translate(" + d.position + ")"); | |
| var circleFill = imageGroup.append("circle") | |
| .attr("class", "circle-fill") | |
| .attr("cx", image.size / 2) | |
| .attr("cy", image.size / 2 ) | |
| .attr("r", image.size / 2) | |
| .attr("filter", "url(#glow"); | |
| var imageElem = imageGroup.append("image") | |
| .attr("xlink:href", url) | |
| .attr("height", image.size) | |
| .attr("width", image.size) | |
| .attr("clip-path", "url(#clip)"); | |
| var circleOutline = imageGroup.append("circle") | |
| .attr("class", "circle-outline") | |
| .attr("cx", image.size / 2) | |
| .attr("cy", image.size / 2 ) | |
| .attr("r", 1 + image.size / 2); | |
| imageGroup.call(d3.drag() | |
| .on("start", dragstarted) | |
| .on("drag", dragged) | |
| .on("end", dragended)); | |
| } | |
| function dragstarted(d) { | |
| // d3.select(this).raise(); | |
| // d3.select(this).select(".circle-outline") | |
| // .transition() | |
| // .attr("r", 1 + image.size / 3); | |
| // d3.select(this).select(".circle-fill") | |
| // .transition() | |
| // .attr("r", 1 + image.size / 3); | |
| // d3.select(this).select("image") | |
| // .attr("x", image.size / 6) | |
| // .attr("y", image.size / 6) | |
| // .attr("height", image.size * 2 / 3) | |
| // .attr("width", image.size * 2 / 3) | |
| // clipPath.attr("r", image.size / 3) | |
| } | |
| function dragged(d) { | |
| var newX = d3.event.x - image.size / 2, | |
| newY = d3.event.y - image.size / 2; | |
| d3.select(this) | |
| .attr("transform", "translate(" + (d.position = [newX, newY]) + ")"); | |
| } | |
| function dragended(d) { | |
| d3.select(this).lower(); | |
| } | |
| </script> | |
| </body> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment