1 line
10 KiB
JSON
1 line
10 KiB
JSON
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env from './env.js';\nimport { buildTransformer } from './fourPointsTransform.js';\nvar EVENT_SAVED_PROP = '___zrEVENTSAVED';\nvar _calcOut = [];\nexport function transformLocalCoord(out, elFrom, elTarget, inX, inY) {\n return transformCoordWithViewport(_calcOut, elFrom, inX, inY, true)\n && transformCoordWithViewport(out, elTarget, _calcOut[0], _calcOut[1]);\n}\nexport function transformCoordWithViewport(out, el, inX, inY, inverse) {\n if (el.getBoundingClientRect && env.domSupported && !isCanvasEl(el)) {\n var saved = el[EVENT_SAVED_PROP] || (el[EVENT_SAVED_PROP] = {});\n var markers = prepareCoordMarkers(el, saved);\n var transformer = preparePointerTransformer(markers, saved, inverse);\n if (transformer) {\n transformer(out, inX, inY);\n return true;\n }\n }\n return false;\n}\nfunction prepareCoordMarkers(el, saved) {\n var markers = saved.markers;\n if (markers) {\n return markers;\n }\n markers = saved.markers = [];\n var propLR = ['left', 'right'];\n var propTB = ['top', 'bottom'];\n for (var i = 0; i < 4; i++) {\n var marker = document.createElement('div');\n var stl = marker.style;\n var idxLR = i % 2;\n var idxTB = (i >> 1) % 2;\n stl.cssText = [\n 'position: absolute',\n 'visibility: hidden',\n 'padding: 0',\n 'margin: 0',\n 'border-width: 0',\n 'user-select: none',\n 'width:0',\n 'height:0',\n propLR[idxLR] + ':0',\n propTB[idxTB] + ':0',\n propLR[1 - idxLR] + ':auto',\n propTB[1 - idxTB] + ':auto',\n ''\n ].join('!important;');\n el.appendChild(marker);\n markers.push(marker);\n }\n return markers;\n}\nfunction preparePointerTransformer(markers, saved, inverse) {\n var transformerName = inverse ? 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