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33 lines
1.1 KiB
JavaScript
33 lines
1.1 KiB
JavaScript
export function buildHighlightElement(highlight, wrapper) {
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const pageView = wrapper.viewer.getPageView(highlight.page - 1)
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const viewport = pageView.viewport
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const height = viewport.viewBox[3]
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const rect = viewport.convertToViewportRectangle([
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highlight.h, // xMin
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height - (highlight.v + highlight.height) + 10, // yMin
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highlight.h + highlight.width, // xMax
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height - highlight.v + 10, // yMax
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])
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const [left, top, right, bottom] = wrapper.PDFJS.Util.normalizeRect(rect)
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const element = document.createElement('div')
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element.style.left = Math.floor(pageView.div.offsetLeft + left) + 'px'
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element.style.top = Math.floor(pageView.div.offsetTop + top + 10) + 'px'
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element.style.width = Math.ceil(right - left) + 'px'
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element.style.height = Math.ceil(bottom - top) + 'px'
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element.style.backgroundColor = 'rgba(255,255,0)'
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element.style.position = 'absolute'
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element.style.display = 'inline-block'
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element.style.scrollMargin = '72px'
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element.style.pointerEvents = 'none'
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element.style.opacity = '0'
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element.style.transition = 'opacity 1s'
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wrapper.viewer.viewer.append(element)
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return element
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}
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