index : pan-zoom | |
SVG pan/zoom library. |
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Diffstat (limited to 'public/image.svg')
-rw-r--r-- | public/image.svg | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/public/image.svg b/public/image.svg new file mode 100644 index 0000000..5a5c3d9 --- /dev/null +++ b/public/image.svg @@ -0,0 +1,82 @@ +<?xml version="1.0" standalone="no"?> +<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" + "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> +<svg viewBox="0 0 400 300" version="1.1" xmlns="http://www.w3.org/2000/svg"> + <style> + svg { + overflow: hidden; + } + + circle, rect { + fill-opacity: 0.9; + } + </style> + <script type="text/javascript">//<![CDATA[ + const svgns = 'http://www.w3.org/2000/svg', + svg = document.querySelector('svg'), + { width: vbWidth, height: vbHeight } = svg.viewBox.baseVal, + shapeCount = 100, + maxColorValue = 256, + circleRadius = { max: 45, min: 5 }, + rectSideLength = { max: 95, min: 5 }; + + function getRandomInt(max) { + return Math.floor(Math.random() * max); + } + + function getRandomPositiveInt(max) { + return getRandomInt(max) + 1; + } + + function getRandomFillAndStrokeVals() { + const shadeFactor = Math.random(), + fill = ['r', 'g', 'b'].map(() => getRandomInt(maxColorValue)), + stroke = fill.map(v => Math.floor(v * shadeFactor)); + + return { + fill: fill, + stroke: stroke + }; + } + + function getRandomCircle(fill, stroke) { + const el = document.createElementNS(svgns, 'circle'), + r = getRandomPositiveInt(circleRadius.max) + circleRadius.min; + + el.setAttributeNS(null, 'cx', getRandomInt(vbWidth)); + el.setAttributeNS(null, 'cy', getRandomInt(vbHeight)); + el.setAttributeNS(null, 'r', r); + el.setAttributeNS(null, 'fill', fill); + el.setAttributeNS(null, 'stroke', stroke); + + return el; + } + + function getRandomRect(fill, stroke) { + const el = document.createElementNS(svgns, 'rect'), + [width, height] = ['w', 'h'].map(() => + getRandomPositiveInt(rectSideLength.max) + rectSideLength.min + ); + + el.setAttributeNS(null, 'x', getRandomInt(vbWidth)); + el.setAttributeNS(null, 'y', getRandomInt(vbHeight)); + el.setAttributeNS(null, 'width', width); + el.setAttributeNS(null, 'height', height); + el.setAttributeNS(null, 'fill', fill); + el.setAttributeNS(null, 'stroke', stroke); + + return el; + } + + function getRandomShape({ fill: fillVals, stroke: strokeVals }) { + const shapes = [getRandomCircle, getRandomRect], + [fill, stroke] = [fillVals, strokeVals].map(v => `rgb(${v.join(', ')})`); + + return shapes[getRandomInt(shapes.length)](fill, stroke); + } + + [...Array(shapeCount)] + .map(() => getRandomFillAndStrokeVals()) + .forEach(fillAndStrokeVal => svg.appendChild(getRandomShape(fillAndStrokeVal))); + //]]></script> +</svg> |