/* Copyright 2012 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
AnnotationBorderStyleType, AnnotationFieldFlag, AnnotationFlag,
AnnotationType, getInheritableProperty, OPS, stringToBytes, stringToPDFString,
Util, warn
} from '../shared/util';
import { Catalog, FileSpec, ObjectLoader } from './obj';
import { Dict, isDict, isName, isRef, isStream } from './primitives';
import { ColorSpace } from './colorspace';
import { OperatorList } from './operator_list';
import { Stream } from './stream';
class AnnotationFactory {
/**
* @param {XRef} xref
* @param {Object} ref
* @param {PDFManager} pdfManager
* @param {Object} idFactory
* @returns {Annotation}
*/
static create(xref, ref, pdfManager, idFactory) {
let dict = xref.fetchIfRef(ref);
if (!isDict(dict)) {
return;
}
let id = isRef(ref) ? ref.toString() : 'annot_' + idFactory.createObjId();
// Determine the annotation's subtype.
let subtype = dict.get('Subtype');
subtype = isName(subtype) ? subtype.name : null;
// Return the right annotation object based on the subtype and field type.
let parameters = {
xref,
dict,
ref: isRef(ref) ? ref : null,
subtype,
id,
pdfManager,
};
switch (subtype) {
case 'Link':
return new LinkAnnotation(parameters);
case 'Text':
return new TextAnnotation(parameters);
case 'Widget':
let fieldType = getInheritableProperty({ dict, key: 'FT', });
fieldType = isName(fieldType) ? fieldType.name : null;
switch (fieldType) {
case 'Tx':
return new TextWidgetAnnotation(parameters);
case 'Btn':
return new ButtonWidgetAnnotation(parameters);
case 'Ch':
return new ChoiceWidgetAnnotation(parameters);
}
warn('Unimplemented widget field type "' + fieldType + '", ' +
'falling back to base field type.');
return new WidgetAnnotation(parameters);
case 'Popup':
return new PopupAnnotation(parameters);
case 'Line':
return new LineAnnotation(parameters);
case 'Square':
return new SquareAnnotation(parameters);
case 'Circle':
return new CircleAnnotation(parameters);
case 'PolyLine':
return new PolylineAnnotation(parameters);
case 'Polygon':
return new PolygonAnnotation(parameters);
case 'Highlight':
return new HighlightAnnotation(parameters);
case 'Underline':
return new UnderlineAnnotation(parameters);
case 'Squiggly':
return new SquigglyAnnotation(parameters);
case 'StrikeOut':
return new StrikeOutAnnotation(parameters);
case 'Stamp':
return new StampAnnotation(parameters);
case 'FileAttachment':
return new FileAttachmentAnnotation(parameters);
default:
if (!subtype) {
warn('Annotation is missing the required /Subtype.');
} else {
warn('Unimplemented annotation type "' + subtype + '", ' +
'falling back to base annotation.');
}
return new Annotation(parameters);
}
}
}
function getTransformMatrix(rect, bbox, matrix) {
// 12.5.5: Algorithm: Appearance streams
let bounds = Util.getAxialAlignedBoundingBox(bbox, matrix);
let minX = bounds[0];
let minY = bounds[1];
let maxX = bounds[2];
let maxY = bounds[3];
if (minX === maxX || minY === maxY) {
// From real-life file, bbox was [0, 0, 0, 0]. In this case,
// just apply the transform for rect
return [1, 0, 0, 1, rect[0], rect[1]];
}
let xRatio = (rect[2] - rect[0]) / (maxX - minX);
let yRatio = (rect[3] - rect[1]) / (maxY - minY);
return [
xRatio,
0,
0,
yRatio,
rect[0] - minX * xRatio,
rect[1] - minY * yRatio
];
}
class Annotation {
constructor(params) {
let dict = params.dict;
this.setFlags(dict.get('F'));
this.setRectangle(dict.getArray('Rect'));
this.setColor(dict.getArray('C'));
this.setBorderStyle(dict);
this.setAppearance(dict);
// Expose public properties using a data object.
this.data = {
annotationFlags: this.flags,
borderStyle: this.borderStyle,
color: this.color,
hasAppearance: !!this.appearance,
id: params.id,
rect: this.rectangle,
subtype: params.subtype,
};
}
/**
* @private
*/
_hasFlag(flags, flag) {
return !!(flags & flag);
}
/**
* @private
*/
_isViewable(flags) {
return !this._hasFlag(flags, AnnotationFlag.INVISIBLE) &&
!this._hasFlag(flags, AnnotationFlag.HIDDEN) &&
!this._hasFlag(flags, AnnotationFlag.NOVIEW);
}
/**
* @private
*/
_isPrintable(flags) {
return this._hasFlag(flags, AnnotationFlag.PRINT) &&
!this._hasFlag(flags, AnnotationFlag.INVISIBLE) &&
!this._hasFlag(flags, AnnotationFlag.HIDDEN);
}
/**
* @return {boolean}
*/
get viewable() {
if (this.flags === 0) {
return true;
}
return this._isViewable(this.flags);
}
/**
* @return {boolean}
*/
get printable() {
if (this.flags === 0) {
return false;
}
return this._isPrintable(this.flags);
}
/**
* Set the flags.
*
* @public
* @memberof Annotation
* @param {number} flags - Unsigned 32-bit integer specifying annotation
* characteristics
* @see {@link shared/util.js}
*/
setFlags(flags) {
this.flags = (Number.isInteger(flags) && flags > 0) ? flags : 0;
}
/**
* Check if a provided flag is set.
*
* @public
* @memberof Annotation
* @param {number} flag - Hexadecimal representation for an annotation
* characteristic
* @return {boolean}
* @see {@link shared/util.js}
*/
hasFlag(flag) {
return this._hasFlag(this.flags, flag);
}
/**
* Set the rectangle.
*
* @public
* @memberof Annotation
* @param {Array} rectangle - The rectangle array with exactly four entries
*/
setRectangle(rectangle) {
if (Array.isArray(rectangle) && rectangle.length === 4) {
this.rectangle = Util.normalizeRect(rectangle);
} else {
this.rectangle = [0, 0, 0, 0];
}
}
/**
* Set the color and take care of color space conversion.
*
* @public
* @memberof Annotation
* @param {Array} color - The color array containing either 0
* (transparent), 1 (grayscale), 3 (RGB) or
* 4 (CMYK) elements
*/
setColor(color) {
let rgbColor = new Uint8Array(3); // Black in RGB color space (default)
if (!Array.isArray(color)) {
this.color = rgbColor;
return;
}
switch (color.length) {
case 0: // Transparent, which we indicate with a null value
this.color = null;
break;
case 1: // Convert grayscale to RGB
ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);
this.color = rgbColor;
break;
case 3: // Convert RGB percentages to RGB
ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);
this.color = rgbColor;
break;
case 4: // Convert CMYK to RGB
ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);
this.color = rgbColor;
break;
default:
this.color = rgbColor;
break;
}
}
/**
* Set the border style (as AnnotationBorderStyle object).
*
* @public
* @memberof Annotation
* @param {Dict} borderStyle - The border style dictionary
*/
setBorderStyle(borderStyle) {
this.borderStyle = new AnnotationBorderStyle();
if (!isDict(borderStyle)) {
return;
}
if (borderStyle.has('BS')) {
let dict = borderStyle.get('BS');
let dictType = dict.get('Type');
if (!dictType || isName(dictType, 'Border')) {
this.borderStyle.setWidth(dict.get('W'));
this.borderStyle.setStyle(dict.get('S'));
this.borderStyle.setDashArray(dict.getArray('D'));
}
} else if (borderStyle.has('Border')) {
let array = borderStyle.getArray('Border');
if (Array.isArray(array) && array.length >= 3) {
this.borderStyle.setHorizontalCornerRadius(array[0]);
this.borderStyle.setVerticalCornerRadius(array[1]);
this.borderStyle.setWidth(array[2]);
if (array.length === 4) { // Dash array available
this.borderStyle.setDashArray(array[3]);
}
}
} else {
// There are no border entries in the dictionary. According to the
// specification, we should draw a solid border of width 1 in that
// case, but Adobe Reader did not implement that part of the
// specification and instead draws no border at all, so we do the same.
// See also https://github.com/mozilla/pdf.js/issues/6179.
this.borderStyle.setWidth(0);
}
}
/**
* Set the (normal) appearance.
*
* @public
* @memberof Annotation
* @param {Dict} dict - The annotation's data dictionary
*/
setAppearance(dict) {
this.appearance = null;
let appearanceStates = dict.get('AP');
if (!isDict(appearanceStates)) {
return;
}
// In case the normal appearance is a stream, then it is used directly.
let normalAppearanceState = appearanceStates.get('N');
if (isStream(normalAppearanceState)) {
this.appearance = normalAppearanceState;
return;
}
if (!isDict(normalAppearanceState)) {
return;
}
// In case the normal appearance is a dictionary, the `AS` entry provides
// the key of the stream in this dictionary.
let as = dict.get('AS');
if (!isName(as) || !normalAppearanceState.has(as.name)) {
return;
}
this.appearance = normalAppearanceState.get(as.name);
}
/**
* Prepare the annotation for working with a popup in the display layer.
*
* @private
* @memberof Annotation
* @param {Dict} dict - The annotation's data dictionary
*/
_preparePopup(dict) {
if (!dict.has('C')) {
// Fall back to the default background color.
this.data.color = null;
}
this.data.hasPopup = dict.has('Popup');
this.data.title = stringToPDFString(dict.get('T') || '');
this.data.contents = stringToPDFString(dict.get('Contents') || '');
}
loadResources(keys) {
return this.appearance.dict.getAsync('Resources').then((resources) => {
if (!resources) {
return;
}
let objectLoader = new ObjectLoader(resources, keys, resources.xref);
return objectLoader.load().then(function() {
return resources;
});
});
}
getOperatorList(evaluator, task, renderForms) {
if (!this.appearance) {
return Promise.resolve(new OperatorList());
}
let data = this.data;
let appearanceDict = this.appearance.dict;
let resourcesPromise = this.loadResources([
'ExtGState',
'ColorSpace',
'Pattern',
'Shading',
'XObject',
'Font',
// ProcSet
// Properties
]);
let bbox = appearanceDict.getArray('BBox') || [0, 0, 1, 1];
let matrix = appearanceDict.getArray('Matrix') || [1, 0, 0, 1, 0, 0];
let transform = getTransformMatrix(data.rect, bbox, matrix);
return resourcesPromise.then((resources) => {
let opList = new OperatorList();
opList.addOp(OPS.beginAnnotation, [data.rect, transform, matrix]);
return evaluator.getOperatorList({
stream: this.appearance,
task,
resources,
operatorList: opList,
}).then(() => {
opList.addOp(OPS.endAnnotation, []);
this.appearance.reset();
return opList;
});
});
}
}
/**
* Contains all data regarding an annotation's border style.
*/
class AnnotationBorderStyle {
constructor() {
this.width = 1;
this.style = AnnotationBorderStyleType.SOLID;
this.dashArray = [3];
this.horizontalCornerRadius = 0;
this.verticalCornerRadius = 0;
}
/**
* Set the width.
*
* @public
* @memberof AnnotationBorderStyle
* @param {integer} width - The width
*/
setWidth(width) {
if (Number.isInteger(width)) {
this.width = width;
}
}
/**
* Set the style.
*
* @public
* @memberof AnnotationBorderStyle
* @param {Object} style - The style object
* @see {@link shared/util.js}
*/
setStyle(style) {
if (!style) {
return;
}
switch (style.name) {
case 'S':
this.style = AnnotationBorderStyleType.SOLID;
break;
case 'D':
this.style = AnnotationBorderStyleType.DASHED;
break;
case 'B':
this.style = AnnotationBorderStyleType.BEVELED;
break;
case 'I':
this.style = AnnotationBorderStyleType.INSET;
break;
case 'U':
this.style = AnnotationBorderStyleType.UNDERLINE;
break;
default:
break;
}
}
/**
* Set the dash array.
*
* @public
* @memberof AnnotationBorderStyle
* @param {Array} dashArray - The dash array with at least one element
*/
setDashArray(dashArray) {
// We validate the dash array, but we do not use it because CSS does not
// allow us to change spacing of dashes. For more information, visit
// http://www.w3.org/TR/css3-background/#the-border-style.
if (Array.isArray(dashArray) && dashArray.length > 0) {
// According to the PDF specification: the elements in `dashArray`
// shall be numbers that are nonnegative and not all equal to zero.
let isValid = true;
let allZeros = true;
for (let i = 0, len = dashArray.length; i < len; i++) {
let element = dashArray[i];
let validNumber = (+element >= 0);
if (!validNumber) {
isValid = false;
break;
} else if (element > 0) {
allZeros = false;
}
}
if (isValid && !allZeros) {
this.dashArray = dashArray;
} else {
this.width = 0; // Adobe behavior when the array is invalid.
}
} else if (dashArray) {
this.width = 0; // Adobe behavior when the array is invalid.
}
}
/**
* Set the horizontal corner radius (from a Border dictionary).
*
* @public
* @memberof AnnotationBorderStyle
* @param {integer} radius - The horizontal corner radius
*/
setHorizontalCornerRadius(radius) {
if (Number.isInteger(radius)) {
this.horizontalCornerRadius = radius;
}
}
/**
* Set the vertical corner radius (from a Border dictionary).
*
* @public
* @memberof AnnotationBorderStyle
* @param {integer} radius - The vertical corner radius
*/
setVerticalCornerRadius(radius) {
if (Number.isInteger(radius)) {
this.verticalCornerRadius = radius;
}
}
}
class WidgetAnnotation extends Annotation {
constructor(params) {
super(params);
let dict = params.dict;
let data = this.data;
data.annotationType = AnnotationType.WIDGET;
data.fieldName = this._constructFieldName(dict);
data.fieldValue = getInheritableProperty({ dict, key: 'V',
getArray: true, });
data.alternativeText = stringToPDFString(dict.get('TU') || '');
data.defaultAppearance = getInheritableProperty({ dict, key: 'DA', }) || '';
let fieldType = getInheritableProperty({ dict, key: 'FT', });
data.fieldType = isName(fieldType) ? fieldType.name : null;
this.fieldResources = getInheritableProperty({ dict, key: 'DR', }) ||
Dict.empty;
data.fieldFlags = getInheritableProperty({ dict, key: 'Ff', });
if (!Number.isInteger(data.fieldFlags) || data.fieldFlags < 0) {
data.fieldFlags = 0;
}
data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY);
// Hide signatures because we cannot validate them.
if (data.fieldType === 'Sig') {
this.setFlags(AnnotationFlag.HIDDEN);
}
}
/**
* Construct the (fully qualified) field name from the (partial) field
* names of the field and its ancestors.
*
* @private
* @memberof WidgetAnnotation
* @param {Dict} dict - Complete widget annotation dictionary
* @return {string}
*/
_constructFieldName(dict) {
// Both the `Parent` and `T` fields are optional. While at least one of
// them should be provided, bad PDF generators may fail to do so.
if (!dict.has('T') && !dict.has('Parent')) {
warn('Unknown field name, falling back to empty field name.');
return '';
}
// If no parent exists, the partial and fully qualified names are equal.
if (!dict.has('Parent')) {
return stringToPDFString(dict.get('T'));
}
// Form the fully qualified field name by appending the partial name to
// the parent's fully qualified name, separated by a period.
let fieldName = [];
if (dict.has('T')) {
fieldName.unshift(stringToPDFString(dict.get('T')));
}
let loopDict = dict;
while (loopDict.has('Parent')) {
loopDict = loopDict.get('Parent');
if (!isDict(loopDict)) {
// Even though it is not allowed according to the PDF specification,
// bad PDF generators may provide a `Parent` entry that is not a
// dictionary, but `null` for example (issue 8143).
break;
}
if (loopDict.has('T')) {
fieldName.unshift(stringToPDFString(loopDict.get('T')));
}
}
return fieldName.join('.');
}
/**
* Check if a provided field flag is set.
*
* @public
* @memberof WidgetAnnotation
* @param {number} flag - Hexadecimal representation for an annotation
* field characteristic
* @return {boolean}
* @see {@link shared/util.js}
*/
hasFieldFlag(flag) {
return !!(this.data.fieldFlags & flag);
}
getOperatorList(evaluator, task, renderForms) {
// Do not render form elements on the canvas when interactive forms are
// enabled. The display layer is responsible for rendering them instead.
if (renderForms) {
return Promise.resolve(new OperatorList());
}
return super.getOperatorList(evaluator, task, renderForms);
}
}
class TextWidgetAnnotation extends WidgetAnnotation {
constructor(params) {
super(params);
const dict = params.dict;
// The field value is always a string.
this.data.fieldValue = stringToPDFString(this.data.fieldValue || '');
// Determine the alignment of text in the field.
let alignment = getInheritableProperty({ dict, key: 'Q', });
if (!Number.isInteger(alignment) || alignment < 0 || alignment > 2) {
alignment = null;
}
this.data.textAlignment = alignment;
// Determine the maximum length of text in the field.
let maximumLength = getInheritableProperty({ dict, key: 'MaxLen', });
if (!Number.isInteger(maximumLength) || maximumLength < 0) {
maximumLength = null;
}
this.data.maxLen = maximumLength;
// Process field flags for the display layer.
this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE);
this.data.comb = this.hasFieldFlag(AnnotationFieldFlag.COMB) &&
!this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) &&
!this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) &&
!this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) &&
this.data.maxLen !== null;
}
getOperatorList(evaluator, task, renderForms) {
if (renderForms || this.appearance) {
return super.getOperatorList(evaluator, task, renderForms);
}
let operatorList = new OperatorList();
// Even if there is an appearance stream, ignore it. This is the
// behaviour used by Adobe Reader.
if (!this.data.defaultAppearance) {
return Promise.resolve(operatorList);
}
let stream = new Stream(stringToBytes(this.data.defaultAppearance));
return evaluator.getOperatorList({
stream,
task,
resources: this.fieldResources,
operatorList,
}).then(function () {
return operatorList;
});
}
}
class ButtonWidgetAnnotation extends WidgetAnnotation {
constructor(params) {
super(params);
this.data.checkBox = !this.hasFieldFlag(AnnotationFieldFlag.RADIO) &&
!this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);
this.data.radioButton = this.hasFieldFlag(AnnotationFieldFlag.RADIO) &&
!this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);
this.data.pushButton = this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);
if (this.data.checkBox) {
this._processCheckBox();
} else if (this.data.radioButton) {
this._processRadioButton(params);
} else if (this.data.pushButton) {
this._processPushButton(params);
} else {
warn('Invalid field flags for button widget annotation');
}
}
_processCheckBox() {
if (!isName(this.data.fieldValue)) {
return;
}
this.data.fieldValue = this.data.fieldValue.name;
}
_processRadioButton(params) {
this.data.fieldValue = this.data.buttonValue = null;
// The parent field's `V` entry holds a `Name` object with the appearance
// state of whichever child field is currently in the "on" state.
let fieldParent = params.dict.get('Parent');
if (isDict(fieldParent) && fieldParent.has('V')) {
let fieldParentValue = fieldParent.get('V');
if (isName(fieldParentValue)) {
this.data.fieldValue = fieldParentValue.name;
}
}
// The button's value corresponds to its appearance state.
let appearanceStates = params.dict.get('AP');
if (!isDict(appearanceStates)) {
return;
}
let normalAppearanceState = appearanceStates.get('N');
if (!isDict(normalAppearanceState)) {
return;
}
let keys = normalAppearanceState.getKeys();
for (let i = 0, ii = keys.length; i < ii; i++) {
if (keys[i] !== 'Off') {
this.data.buttonValue = keys[i];
break;
}
}
}
_processPushButton(params) {
if (!params.dict.has('A')) {
warn('Push buttons without action dictionaries are not supported');
return;
}
Catalog.parseDestDictionary({
destDict: params.dict,
resultObj: this.data,
docBaseUrl: params.pdfManager.docBaseUrl,
});
}
}
class ChoiceWidgetAnnotation extends WidgetAnnotation {
constructor(params) {
super(params);
// Determine the options. The options array may consist of strings or
// arrays. If the array consists of arrays, then the first element of
// each array is the export value and the second element of each array is
// the display value. If the array consists of strings, then these
// represent both the export and display value. In this case, we convert
// it to an array of arrays as well for convenience in the display layer.
// Note that the specification does not state that the `Opt` field is
// inheritable, but in practice PDF generators do make annotations
// inherit the options from a parent annotation (issue 8094).
this.data.options = [];
let options = getInheritableProperty({ dict: params.dict, key: 'Opt', });
if (Array.isArray(options)) {
let xref = params.xref;
for (let i = 0, ii = options.length; i < ii; i++) {
let option = xref.fetchIfRef(options[i]);
let isOptionArray = Array.isArray(option);
this.data.options[i] = {
exportValue: isOptionArray ? xref.fetchIfRef(option[0]) : option,
displayValue: stringToPDFString(isOptionArray ?
xref.fetchIfRef(option[1]) : option),
};
}
}
// Determine the field value. In this case, it may be a string or an
// array of strings. For convenience in the display layer, convert the
// string to an array of one string as well.
if (!Array.isArray(this.data.fieldValue)) {
this.data.fieldValue = [this.data.fieldValue];
}
// Process field flags for the display layer.
this.data.combo = this.hasFieldFlag(AnnotationFieldFlag.COMBO);
this.data.multiSelect = this.hasFieldFlag(AnnotationFieldFlag.MULTISELECT);
}
}
class TextAnnotation extends Annotation {
constructor(parameters) {
const DEFAULT_ICON_SIZE = 22; // px
super(parameters);
this.data.annotationType = AnnotationType.TEXT;
if (this.data.hasAppearance) {
this.data.name = 'NoIcon';
} else {
this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE;
this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE;
this.data.name = parameters.dict.has('Name') ?
parameters.dict.get('Name').name : 'Note';
}
this._preparePopup(parameters.dict);
}
}
class LinkAnnotation extends Annotation {
constructor(params) {
super(params);
this.data.annotationType = AnnotationType.LINK;
Catalog.parseDestDictionary({
destDict: params.dict,
resultObj: this.data,
docBaseUrl: params.pdfManager.docBaseUrl,
});
}
}
class PopupAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.POPUP;
let dict = parameters.dict;
let parentItem = dict.get('Parent');
if (!parentItem) {
warn('Popup annotation has a missing or invalid parent annotation.');
return;
}
let parentSubtype = parentItem.get('Subtype');
this.data.parentType = isName(parentSubtype) ? parentSubtype.name : null;
this.data.parentId = dict.getRaw('Parent').toString();
this.data.title = stringToPDFString(parentItem.get('T') || '');
this.data.contents = stringToPDFString(parentItem.get('Contents') || '');
if (!parentItem.has('C')) {
// Fall back to the default background color.
this.data.color = null;
} else {
this.setColor(parentItem.getArray('C'));
this.data.color = this.color;
}
// If the Popup annotation is not viewable, but the parent annotation is,
// that is most likely a bug. Fallback to inherit the flags from the parent
// annotation (this is consistent with the behaviour in Adobe Reader).
if (!this.viewable) {
let parentFlags = parentItem.get('F');
if (this._isViewable(parentFlags)) {
this.setFlags(parentFlags);
}
}
}
}
class LineAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.LINE;
let dict = parameters.dict;
this.data.lineCoordinates = Util.normalizeRect(dict.getArray('L'));
this._preparePopup(dict);
}
}
class SquareAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.SQUARE;
this._preparePopup(parameters.dict);
}
}
class CircleAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.CIRCLE;
this._preparePopup(parameters.dict);
}
}
class PolylineAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.POLYLINE;
// The vertices array is an array 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.
let dict = parameters.dict;
let rawVertices = dict.getArray('Vertices');
this.data.vertices = [];
for (let i = 0, ii = rawVertices.length; i < ii; i += 2) {
this.data.vertices.push({
x: rawVertices[i],
y: rawVertices[i + 1],
});
}
this._preparePopup(dict);
}
}
class PolygonAnnotation extends PolylineAnnotation {
constructor(parameters) {
// Polygons are specific forms of polylines, so reuse their logic.
super(parameters);
this.data.annotationType = AnnotationType.POLYGON;
}
}
class HighlightAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.HIGHLIGHT;
this._preparePopup(parameters.dict);
}
}
class UnderlineAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.UNDERLINE;
this._preparePopup(parameters.dict);
}
}
class SquigglyAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.SQUIGGLY;
this._preparePopup(parameters.dict);
}
}
class StrikeOutAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.STRIKEOUT;
this._preparePopup(parameters.dict);
}
}
class StampAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
this.data.annotationType = AnnotationType.STAMP;
this._preparePopup(parameters.dict);
}
}
class FileAttachmentAnnotation extends Annotation {
constructor(parameters) {
super(parameters);
let file = new FileSpec(parameters.dict.get('FS'), parameters.xref);
this.data.annotationType = AnnotationType.FILEATTACHMENT;
this.data.file = file.serializable;
this._preparePopup(parameters.dict);
}
}
export {
Annotation,
AnnotationBorderStyle,
AnnotationFactory,
};