paperless-ngx/src-ui/src/app/components/common/pdf-viewer/pdf-viewer.component.scss

:host {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

:host ::ng-deep .pngx-pdf-viewer-container {
  position: absolute;
  inset: 0;
  overflow: auto;
}

:host ::ng-deep .pdfViewer {
  --scale-factor: 1;
  --page-bg-color: unset;
  padding-bottom: 0;
}

:host ::ng-deep .pdfViewer .page {
  --user-unit: 1;
  --total-scale-factor: calc(var(--scale-factor) * var(--user-unit));
  --scale-round-x: 1px;
  --scale-round-y: 1px;
  direction: ltr;
  margin: 0 auto 10px;
  border: 0;
  position: relative;
  overflow: visible;
  background-clip: content-box;
  background-color: var(--page-bg-color, rgb(255 255 255));
}

:host ::ng-deep .pdfViewer > .page:last-of-type {
  margin-bottom: 0;
}

:host ::ng-deep .pdfViewer.singlePageView {
  display: inline-block;
}

:host ::ng-deep .pdfViewer.singlePageView .page {
  margin: 0;
  border: none;
}

:host ::ng-deep .pdfViewer .canvasWrapper {
  overflow: hidden;
  width: 100%;
  height: 100%;
}

:host ::ng-deep .pdfViewer .canvasWrapper canvas {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  display: block;
  width: 100%;
  height: 100%;
  contain: content;
}

:host ::ng-deep .textLayer {
  position: absolute;
  text-align: initial;
  inset: 0;
  overflow: clip;
  opacity: 1;
  line-height: 1;
  text-size-adjust: none;
  transform-origin: 0 0;
  caret-color: CanvasText;
  z-index: 0;
  user-select: text;
  --min-font-size: 1;
  --text-scale-factor: calc(var(--total-scale-factor) * var(--min-font-size));
  --min-font-size-inv: calc(1 / var(--min-font-size));
}

:host ::ng-deep .textLayer.highlighting {
  touch-action: none;
}

:host ::ng-deep .textLayer :is(span, br) {
  position: absolute;
  white-space: pre;
  color: transparent;
  cursor: text;
  transform-origin: 0% 0%;
}

:host ::ng-deep .textLayer > :not(.markedContent),
:host ::ng-deep .textLayer .markedContent span:not(.markedContent) {
  z-index: 1;
  --font-height: 0;
  font-size: calc(var(--text-scale-factor) * var(--font-height));
  --scale-x: 1;
  --rotate: 0deg;
  transform: rotate(var(--rotate)) scaleX(var(--scale-x))
    scale(var(--min-font-size-inv));
}

:host ::ng-deep .textLayer .markedContent {
  display: contents;
}

:host ::ng-deep .textLayer span[role='img'] {
  user-select: none;
  cursor: default;
}

:host ::ng-deep .textLayer .highlight {
  --highlight-bg-color: rgb(180 0 170 / 0.25);
  --highlight-selected-bg-color: rgb(0 100 0 / 0.25);
  --highlight-backdrop-filter: none;
  --highlight-selected-backdrop-filter: none;
  margin: -1px;
  padding: 1px;
  background-color: var(--highlight-bg-color);
  backdrop-filter: var(--highlight-backdrop-filter);
  border-radius: 4px;
}

:host ::ng-deep .appended:is(.textLayer .highlight) {
  position: initial;
}

:host ::ng-deep .begin:is(.textLayer .highlight) {
  border-radius: 4px 0 0 4px;
}

:host ::ng-deep .end:is(.textLayer .highlight) {
  border-radius: 0 4px 4px 0;
}

:host ::ng-deep .middle:is(.textLayer .highlight) {
  border-radius: 0;
}

:host ::ng-deep .selected:is(.textLayer .highlight) {
  background-color: var(--highlight-selected-bg-color);
}

:host ::ng-deep .textLayer ::selection {
  background: rgba(30, 100, 255, 0.35);
}

:host ::ng-deep .annotationLayer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}