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
forked from tlfrd's block: Draggable Images
Last active
October 5, 2018 07:24
-
-
Save FrissAnalytics/afb015eda0eb9412ce917a84be545662 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