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Add support of Ink annotation

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Simon Leblanc 2018-09-30 16:29:16 +02:00
parent 1cfb723dd4
commit b5806735d8
7 changed files with 173 additions and 1 deletions
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31
src/core/annotation.js
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@ -106,6 +106,9 @@ class AnnotationFactory {
case 'Polygon':
return new PolygonAnnotation(parameters);
case 'Ink':
return new InkAnnotation(parameters);
case 'Highlight':
return new HighlightAnnotation(parameters);
@ -1013,6 +1016,34 @@ class PolygonAnnotation extends PolylineAnnotation {
}
}
class InkAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.INK;
let dict = parameters.dict;
const xref = parameters.xref;
let originalInkLists = dict.getArray('InkList');
this.data.inkLists = [];
for (let i = 0, ii = originalInkLists.length; i < ii; ++i) {
// The raw ink lists array contains arrays of numbers representing
// the alternating horizontal and vertical coordinates, respectively,
// of each vertex. Convert this to an array of objects with x and y
// coordinates.
this.data.inkLists.push([]);
for (let j = 0, jj = originalInkLists[i].length; j < jj; j += 2) {
this.data.inkLists[i].push({
x: xref.fetchIfRef(originalInkLists[i][j]),
y: xref.fetchIfRef(originalInkLists[i][j + 1]),
});
}
}
this._preparePopup(dict);
}
}
class HighlightAnnotation extends Annotation {
constructor(parameters) {
super(parameters);