The avatar for @miguelbermudez
Miguel Bermudez
Published
Edited
Sep 28, 2021
Importers
2 stars
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getCanvasSizeFromPreset("a4", 96, "landscape")
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getCanvasSizeFromPreset = (preset, ppiTarget, orientation) => {
let {dimensions, units, ppi} = getDimensionsFromPreset(preset, "px", ppiTarget);
let result = dimensions;
const highest = Math.max(result[0], result[1]);
const lowest = Math.min(result[0], result[1]);
const isLandscape = orientation === 'landscape';
const w = isLandscape ? highest : lowest;
const h = isLandscape ? lowest : highest;
return getCanvasSize(w, h, units, ppiTarget);
}
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getCanvasSize = (w, h, units, ppi=72) => {
let size = realDimensions(w, h, units, ppi);
return size.map(Math.round);
}
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realDimensions = (w, h, units, ppi) => {
let realW = convertDistance(w, units, 'px', ppi);
let realH = convertDistance(h, units, 'px', ppi);
return [realW, realH];
}
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getDimensionsFromPreset("a4")
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convertLength(210, 'mm', 'px', {pixelsPerInch: 300})
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convertLength(210, 'mm', 'px')
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convertDistance = (dimension, unitsFrom ='px', unitsTo = 'px', pixelsPerInch = 72) => {
return convertLength(dimension, unitsFrom, unitsTo, {
pixelsPerInch,
precision: 4,
roundPixel: true
})};
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