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<h1 class="page-title">Source: core/annotation.js</h1>
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<pre class="prettyprint source linenums"><code>/* 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, isArray, isInt, 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 './evaluator';
import { Stream } from './stream';
/**
* @class
* @alias AnnotationFactory
*/
function AnnotationFactory() {}
AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ {
/**
* @param {XRef} xref
* @param {Object} ref
* @param {PDFManager} pdfManager
* @param {Object} idFactory
* @returns {Annotation}
*/
create: function AnnotationFactory_create(xref, ref, pdfManager, idFactory) {
var dict = xref.fetchIfRef(ref);
if (!isDict(dict)) {
return;
}
var id = isRef(ref) ? ref.toString() : 'annot_' + idFactory.createObjId();
// Determine the annotation's subtype.
var subtype = dict.get('Subtype');
subtype = isName(subtype) ? subtype.name : null;
// Return the right annotation object based on the subtype and field type.
var 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':
var fieldType = Util.getInheritableProperty(dict, '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 'Highlight':
return new HighlightAnnotation(parameters);
case 'Underline':
return new UnderlineAnnotation(parameters);
case 'Squiggly':
return new SquigglyAnnotation(parameters);
case 'StrikeOut':
return new StrikeOutAnnotation(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);
}
},
};
var Annotation = (function AnnotationClosure() {
// 12.5.5: Algorithm: Appearance streams
function getTransformMatrix(rect, bbox, matrix) {
var bounds = Util.getAxialAlignedBoundingBox(bbox, matrix);
var minX = bounds[0];
var minY = bounds[1];
var maxX = bounds[2];
var 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]];
}
var xRatio = (rect[2] - rect[0]) / (maxX - minX);
var yRatio = (rect[3] - rect[1]) / (maxY - minY);
return [
xRatio,
0,
0,
yRatio,
rect[0] - minX * xRatio,
rect[1] - minY * yRatio
];
}
function Annotation(params) {
var 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 = {};
this.data.id = params.id;
this.data.subtype = params.subtype;
this.data.annotationFlags = this.flags;
this.data.rect = this.rectangle;
this.data.color = this.color;
this.data.borderStyle = this.borderStyle;
this.data.hasAppearance = !!this.appearance;
}
Annotation.prototype = {
/**
* @private
*/
_hasFlag: function Annotation_hasFlag(flags, flag) {
return !!(flags &amp; flag);
},
/**
* @private
*/
_isViewable: function Annotation_isViewable(flags) {
return !this._hasFlag(flags, AnnotationFlag.INVISIBLE) &amp;&amp;
!this._hasFlag(flags, AnnotationFlag.HIDDEN) &amp;&amp;
!this._hasFlag(flags, AnnotationFlag.NOVIEW);
},
/**
* @private
*/
_isPrintable: function AnnotationFlag_isPrintable(flags) {
return this._hasFlag(flags, AnnotationFlag.PRINT) &amp;&amp;
!this._hasFlag(flags, AnnotationFlag.INVISIBLE) &amp;&amp;
!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: function Annotation_setFlags(flags) {
this.flags = (isInt(flags) &amp;&amp; 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: function Annotation_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: function Annotation_setRectangle(rectangle) {
if (isArray(rectangle) &amp;&amp; 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: function Annotation_setColor(color) {
var rgbColor = new Uint8Array(3); // Black in RGB color space (default)
if (!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: function Annotation_setBorderStyle(borderStyle) {
this.borderStyle = new AnnotationBorderStyle();
if (!isDict(borderStyle)) {
return;
}
if (borderStyle.has('BS')) {
var dict = borderStyle.get('BS');
var 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')) {
var array = borderStyle.getArray('Border');
if (isArray(array) &amp;&amp; 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: function Annotation_setAppearance(dict) {
this.appearance = null;
var appearanceStates = dict.get('AP');
if (!isDict(appearanceStates)) {
return;
}
// In case the normal appearance is a stream, then it is used directly.
var 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.
var 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: function Annotation_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: function Annotation_loadResources(keys) {
return this.appearance.dict.getAsync('Resources').then((resources) => {
if (!resources) {
return;
}
var objectLoader = new ObjectLoader(resources.map,
keys,
resources.xref);
return objectLoader.load().then(function() {
return resources;
});
});
},
getOperatorList: function Annotation_getOperatorList(evaluator, task,
renderForms) {
if (!this.appearance) {
return Promise.resolve(new OperatorList());
}
var data = this.data;
var appearanceDict = this.appearance.dict;
var resourcesPromise = this.loadResources([
'ExtGState',
'ColorSpace',
'Pattern',
'Shading',
'XObject',
'Font'
// ProcSet
// Properties
]);
var bbox = appearanceDict.getArray('BBox') || [0, 0, 1, 1];
var matrix = appearanceDict.getArray('Matrix') || [1, 0, 0, 1, 0, 0];
var transform = getTransformMatrix(data.rect, bbox, matrix);
return resourcesPromise.then((resources) => {
var 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;
});
});
},
};
return Annotation;
})();
/**
* Contains all data regarding an annotation's border style.
*
* @class
*/
var AnnotationBorderStyle = (function AnnotationBorderStyleClosure() {
/**
* @constructor
* @private
*/
function AnnotationBorderStyle() {
this.width = 1;
this.style = AnnotationBorderStyleType.SOLID;
this.dashArray = [3];
this.horizontalCornerRadius = 0;
this.verticalCornerRadius = 0;
}
AnnotationBorderStyle.prototype = {
/**
* Set the width.
*
* @public
* @memberof AnnotationBorderStyle
* @param {integer} width - The width
*/
setWidth: function AnnotationBorderStyle_setWidth(width) {
if (width === (width | 0)) {
this.width = width;
}
},
/**
* Set the style.
*
* @public
* @memberof AnnotationBorderStyle
* @param {Object} style - The style object
* @see {@link shared/util.js}
*/
setStyle: function AnnotationBorderStyle_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: function AnnotationBorderStyle_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 (isArray(dashArray) &amp;&amp; dashArray.length > 0) {
// According to the PDF specification: the elements in a dashArray
// shall be numbers that are nonnegative and not all equal to zero.
var isValid = true;
var allZeros = true;
for (var i = 0, len = dashArray.length; i &lt; len; i++) {
var element = dashArray[i];
var validNumber = (+element >= 0);
if (!validNumber) {
isValid = false;
break;
} else if (element > 0) {
allZeros = false;
}
}
if (isValid &amp;&amp; !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:
function AnnotationBorderStyle_setHorizontalCornerRadius(radius) {
if (radius === (radius | 0)) {
this.horizontalCornerRadius = radius;
}
},
/**
* Set the vertical corner radius (from a Border dictionary).
*
* @public
* @memberof AnnotationBorderStyle
* @param {integer} radius - The vertical corner radius
*/
setVerticalCornerRadius:
function AnnotationBorderStyle_setVerticalCornerRadius(radius) {
if (radius === (radius | 0)) {
this.verticalCornerRadius = radius;
}
},
};
return AnnotationBorderStyle;
})();
var WidgetAnnotation = (function WidgetAnnotationClosure() {
function WidgetAnnotation(params) {
Annotation.call(this, params);
var dict = params.dict;
var data = this.data;
data.annotationType = AnnotationType.WIDGET;
data.fieldName = this._constructFieldName(dict);
data.fieldValue = Util.getInheritableProperty(dict, 'V',
/* getArray = */ true);
data.alternativeText = stringToPDFString(dict.get('TU') || '');
data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || '';
var fieldType = Util.getInheritableProperty(dict, 'FT');
data.fieldType = isName(fieldType) ? fieldType.name : null;
this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty;
data.fieldFlags = Util.getInheritableProperty(dict, 'Ff');
if (!isInt(data.fieldFlags) || data.fieldFlags &lt; 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);
}
}
Util.inherit(WidgetAnnotation, Annotation, {
/**
* 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: function WidgetAnnotation_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') &amp;&amp; !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.
var fieldName = [];
if (dict.has('T')) {
fieldName.unshift(stringToPDFString(dict.get('T')));
}
var 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: function WidgetAnnotation_hasFieldFlag(flag) {
return !!(this.data.fieldFlags &amp; flag);
},
});
return WidgetAnnotation;
})();
var TextWidgetAnnotation = (function TextWidgetAnnotationClosure() {
function TextWidgetAnnotation(params) {
WidgetAnnotation.call(this, params);
// The field value is always a string.
this.data.fieldValue = stringToPDFString(this.data.fieldValue || '');
// Determine the alignment of text in the field.
var alignment = Util.getInheritableProperty(params.dict, 'Q');
if (!isInt(alignment) || alignment &lt; 0 || alignment > 2) {
alignment = null;
}
this.data.textAlignment = alignment;
// Determine the maximum length of text in the field.
var maximumLength = Util.getInheritableProperty(params.dict, 'MaxLen');
if (!isInt(maximumLength) || maximumLength &lt; 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) &amp;&amp;
!this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) &amp;&amp;
!this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) &amp;&amp;
!this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) &amp;&amp;
this.data.maxLen !== null;
}
Util.inherit(TextWidgetAnnotation, WidgetAnnotation, {
getOperatorList:
function TextWidgetAnnotation_getOperatorList(evaluator, task,
renderForms) {
var operatorList = new OperatorList();
// 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(operatorList);
}
if (this.appearance) {
return Annotation.prototype.getOperatorList.call(this, evaluator, task,
renderForms);
}
// 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);
}
var stream = new Stream(stringToBytes(this.data.defaultAppearance));
return evaluator.getOperatorList({
stream,
task,
resources: this.fieldResources,
operatorList,
}).then(function () {
return operatorList;
});
},
});
return TextWidgetAnnotation;
})();
var ButtonWidgetAnnotation = (function ButtonWidgetAnnotationClosure() {
function ButtonWidgetAnnotation(params) {
WidgetAnnotation.call(this, params);
this.data.checkBox = !this.hasFieldFlag(AnnotationFieldFlag.RADIO) &amp;&amp;
!this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);
if (this.data.checkBox) {
if (!isName(this.data.fieldValue)) {
return;
}
this.data.fieldValue = this.data.fieldValue.name;
}
this.data.radioButton = this.hasFieldFlag(AnnotationFieldFlag.RADIO) &amp;&amp;
!this.hasFieldFlag(AnnotationFieldFlag.PUSHBUTTON);
if (this.data.radioButton) {
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.
var fieldParent = params.dict.get('Parent');
if (isDict(fieldParent) &amp;&amp; fieldParent.has('V')) {
var fieldParentValue = fieldParent.get('V');
if (isName(fieldParentValue)) {
this.data.fieldValue = fieldParentValue.name;
}
}
// The button's value corresponds to its appearance state.
var appearanceStates = params.dict.get('AP');
if (!isDict(appearanceStates)) {
return;
}
var normalAppearanceState = appearanceStates.get('N');
if (!isDict(normalAppearanceState)) {
return;
}
var keys = normalAppearanceState.getKeys();
for (var i = 0, ii = keys.length; i &lt; ii; i++) {
if (keys[i] !== 'Off') {
this.data.buttonValue = keys[i];
break;
}
}
}
}
Util.inherit(ButtonWidgetAnnotation, WidgetAnnotation, {
getOperatorList:
function ButtonWidgetAnnotation_getOperatorList(evaluator, task,
renderForms) {
var operatorList = new OperatorList();
// 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(operatorList);
}
if (this.appearance) {
return Annotation.prototype.getOperatorList.call(this, evaluator, task,
renderForms);
}
return Promise.resolve(operatorList);
},
});
return ButtonWidgetAnnotation;
})();
var ChoiceWidgetAnnotation = (function ChoiceWidgetAnnotationClosure() {
function ChoiceWidgetAnnotation(params) {
WidgetAnnotation.call(this, 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 = [];
var options = Util.getInheritableProperty(params.dict, 'Opt');
if (isArray(options)) {
var xref = params.xref;
for (var i = 0, ii = options.length; i &lt; ii; i++) {
var option = xref.fetchIfRef(options[i]);
var isOptionArray = isArray(option);
this.data.options[i] = {
exportValue: isOptionArray ? xref.fetchIfRef(option[0]) : option,
displayValue: 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 (!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);
}
Util.inherit(ChoiceWidgetAnnotation, WidgetAnnotation, {
getOperatorList:
function ChoiceWidgetAnnotation_getOperatorList(evaluator, task,
renderForms) {
var operatorList = new OperatorList();
// 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(operatorList);
}
return Annotation.prototype.getOperatorList.call(this, evaluator, task,
renderForms);
},
});
return ChoiceWidgetAnnotation;
})();
var TextAnnotation = (function TextAnnotationClosure() {
var DEFAULT_ICON_SIZE = 22; // px
function TextAnnotation(parameters) {
Annotation.call(this, 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);
}
Util.inherit(TextAnnotation, Annotation, {});
return TextAnnotation;
})();
var LinkAnnotation = (function LinkAnnotationClosure() {
function LinkAnnotation(params) {
Annotation.call(this, params);
var data = this.data;
data.annotationType = AnnotationType.LINK;
Catalog.parseDestDictionary({
destDict: params.dict,
resultObj: data,
docBaseUrl: params.pdfManager.docBaseUrl,
});
}
Util.inherit(LinkAnnotation, Annotation, {});
return LinkAnnotation;
})();
var PopupAnnotation = (function PopupAnnotationClosure() {
function PopupAnnotation(parameters) {
Annotation.call(this, parameters);
this.data.annotationType = AnnotationType.POPUP;
var dict = parameters.dict;
var parentItem = dict.get('Parent');
if (!parentItem) {
warn('Popup annotation has a missing or invalid parent annotation.');
return;
}
var 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) {
var parentFlags = parentItem.get('F');
if (this._isViewable(parentFlags)) {
this.setFlags(parentFlags);
}
}
}
Util.inherit(PopupAnnotation, Annotation, {});
return PopupAnnotation;
})();
var LineAnnotation = (function LineAnnotationClosure() {
function LineAnnotation(parameters) {
Annotation.call(this, parameters);
this.data.annotationType = AnnotationType.LINE;
var dict = parameters.dict;
this.data.lineCoordinates = Util.normalizeRect(dict.getArray('L'));
this._preparePopup(dict);
}
Util.inherit(LineAnnotation, Annotation, {});
return LineAnnotation;
})();
var HighlightAnnotation = (function HighlightAnnotationClosure() {
function HighlightAnnotation(parameters) {
Annotation.call(this, parameters);
this.data.annotationType = AnnotationType.HIGHLIGHT;
this._preparePopup(parameters.dict);
}
Util.inherit(HighlightAnnotation, Annotation, {});
return HighlightAnnotation;
})();
var UnderlineAnnotation = (function UnderlineAnnotationClosure() {
function UnderlineAnnotation(parameters) {
Annotation.call(this, parameters);
this.data.annotationType = AnnotationType.UNDERLINE;
this._preparePopup(parameters.dict);
}
Util.inherit(UnderlineAnnotation, Annotation, {});
return UnderlineAnnotation;
})();
var SquigglyAnnotation = (function SquigglyAnnotationClosure() {
function SquigglyAnnotation(parameters) {
Annotation.call(this, parameters);
this.data.annotationType = AnnotationType.SQUIGGLY;
this._preparePopup(parameters.dict);
}
Util.inherit(SquigglyAnnotation, Annotation, {});
return SquigglyAnnotation;
})();
var StrikeOutAnnotation = (function StrikeOutAnnotationClosure() {
function StrikeOutAnnotation(parameters) {
Annotation.call(this, parameters);
this.data.annotationType = AnnotationType.STRIKEOUT;
this._preparePopup(parameters.dict);
}
Util.inherit(StrikeOutAnnotation, Annotation, {});
return StrikeOutAnnotation;
})();
var FileAttachmentAnnotation = (function FileAttachmentAnnotationClosure() {
function FileAttachmentAnnotation(parameters) {
Annotation.call(this, parameters);
var file = new FileSpec(parameters.dict.get('FS'), parameters.xref);
this.data.annotationType = AnnotationType.FILEATTACHMENT;
this.data.file = file.serializable;
this._preparePopup(parameters.dict);
}
Util.inherit(FileAttachmentAnnotation, Annotation, {});
return FileAttachmentAnnotation;
})();
export {
Annotation,
AnnotationBorderStyle,
AnnotationFactory,
};
</code></pre>
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