| <!DOCTYPE html> |
| <style> |
| .group { |
| width: 400px; |
| } |
| </style> |
| <body></body> |
| <script> |
| function createSvgElement(name, attributes) { |
| var element = document.createElementNS('http://www.w3.org/2000/svg', name); |
| for (var attrName in attributes) |
| element.setAttribute(attrName, attributes[attrName]); |
| return element; |
| } |
| |
| const blendModes = [ |
| "normal", |
| "multiply", |
| "screen", |
| "darken", |
| "lighten", |
| "overlay", |
| "color-dodge", |
| "color-burn", |
| "hard-light", |
| "soft-light", |
| "difference", |
| "exclusion", |
| "hue", |
| "saturation", |
| "color", |
| "luminosity" |
| ]; |
| |
| [ |
| {a: 'rgb(255,0,0)', b: 'rgb(0,255,0)' }, |
| {a: 'rgb(51,64,204)', b: 'rgb(153,192,102)' }, |
| {a: 'rgba(51,64,204,0.5)', b: 'rgba(153,192,102,0.5)' }, |
| ].forEach(function(colors, groupNr) { |
| var group = document.createElement('div'); |
| group.className = 'group'; |
| document.body.appendChild(group); |
| |
| blendModes.forEach(function(mode) { |
| var filterId = 'f_' + mode + groupNr; |
| var filter = createSvgElement('filter', { id: filterId, x: 0, y: 0, width: 1, height: 1 }); |
| filter.appendChild(createSvgElement('feFlood', { result: 'a', 'flood-color': colors.a })); |
| filter.appendChild(createSvgElement('feFlood', { result: 'b', 'flood-color': colors.b })); |
| filter.appendChild(createSvgElement('feBlend', { in: 'a', in2: 'b', mode: mode })); |
| var svgRoot = createSvgElement('svg', { width: '50', height: '50' }); |
| var rect = createSvgElement('rect', { width: 50, height: 50, filter: 'url(#' + filterId + ')' }); |
| svgRoot.appendChild(filter); |
| svgRoot.appendChild(rect); |
| group.appendChild(svgRoot); |
| }); |
| }); |
| </script> |
