43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
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function finalWidthHeight(selectionWidth,selectionHeight,minWidth,minHeight){
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// const minWidth = 512
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// const minHeight = 512
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// const selectionWidth = 256
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// const selectionHeight = 1000
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let finalWidth = 0
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let finalHeight = 0
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if(selectionWidth <= selectionHeight){
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//do operation on the smaller dimension
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const scaleRatio = selectionWidth / minWidth
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finalWidth = minWidth
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finalHeight = selectionHeight / scaleRatio
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}else{
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const scaleRatio = selectionHeight / minHeight
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finalHeight = minHeight
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finalWidth = selectionWidth / scaleRatio
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}
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return [finalWidth,finalHeight]
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}
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async function selectionToFinalWidthHeight(){
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const {getSelectionInfoExe} = require('./psapi')
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try{
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const selectionInfo = await getSelectionInfoExe()
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const [finalWidth,finalHeight] = finalWidthHeight(selectionInfo.width,selectionInfo.height,512,512)
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return [parseInt(finalWidth),parseInt(finalHeight)]
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}catch(e){
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console.warn("you need a rectangular selection",e)
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}
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}
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module.exports = {
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finalWidthHeight,
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selectionToFinalWidthHeight
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} |