Created
August 24, 2017 15:39
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const spriteSize = { | |
width: 610.6, | |
height: 248.5 | |
}; | |
const symbolSize = { | |
width: 610.6, | |
height: 108.5 | |
}; | |
function formatNumber(num, decimalPlaces = 2) { | |
const hasDecimals = num % 1 !== 0; | |
const formatted = hasDecimals ? parseFloat(num).toFixed(decimalPlaces) : Math.round(num); | |
return formatted; | |
} | |
function calculateAspectRatio(width, height) { | |
return (height / width) * 100; | |
} | |
function calculateTopShift(spriteHeight, amountAbove) { | |
return (amountAbove / spriteHeight) * 100; | |
} | |
/** | |
* Calculate size in percentage relatively to sprite size | |
*/ | |
function calculateSymbolSize(spriteSize, symbolSize) { | |
const widthRatio = spriteSize.width / symbolSize.width; | |
const heightRatio = spriteSize.height / symbolSize.height; | |
const width = widthRatio * 100; | |
const height = heightRatio * 100; | |
return { width, height }; | |
} | |
const { width, height } = calculateSymbolSize(spriteSize, symbolSize); | |
const topShift = calculateTopShift(spriteSize.height, 140); | |
console.log(` | |
width: ${formatNumber(width)}%; | |
height: ${formatNumber(height)}%; | |
transform: translateY(-${formatNumber(topShift)}%); | |
padding-bottom: ${formatNumber(calculateAspectRatio(symbolSize.width, symbolSize.height))}%; | |
`); |
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