lost-sia
Version:
Single Image Annotation Tool
2 lines (1 loc) • 350 B
JavaScript
const d=(y,n,o,t)=>{const x={xMin:-1*y.x,xMax:-1*y.x+n.x/o,yMin:-1*y.y,yMax:-1*y.y+n.y/o},M={xMin:0,xMax:n.x,yMin:0,yMax:n.y},i=(M.xMax-M.xMin)/(x.xMax-x.xMin),c=(M.yMax-M.yMin)/(x.yMax-x.yMin),w=M.xMin+(t.x-x.xMin)*i,e=M.yMin+(t.y-x.yMin)*c;return{window:x,viewport:M,vX:w,vY:e,scaleX:i,scaleY:c}},r={getViewportCoordinates:d};export{r as default};