Add (basic) support for Optional Content in Annotations
Given that Annotations can also have an `OC`-entry, we need to take that into account when generating their operatorLists. Note that in order to simplify the patch the `getOperatorList`-methods, for the Annotation-classes, were converted to be `async`.
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@ -447,6 +447,7 @@ class Annotation {
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this.setColor(dict.getArray("C"));
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this.setColor(dict.getArray("C"));
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this.setBorderStyle(dict);
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this.setBorderStyle(dict);
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this.setAppearance(dict);
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this.setAppearance(dict);
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this.setOptionalContent(dict);
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const MK = dict.get("MK");
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const MK = dict.get("MK");
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this.setBorderAndBackgroundColors(MK);
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this.setBorderAndBackgroundColors(MK);
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@ -842,6 +843,17 @@ class Annotation {
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this.appearance = normalAppearanceState.get(as.name);
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this.appearance = normalAppearanceState.get(as.name);
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}
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}
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setOptionalContent(dict) {
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this.oc = null;
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const oc = dict.get("OC");
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if (oc instanceof Name) {
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warn("setOptionalContent: Support for /Name-entry is not implemented.");
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} else if (oc instanceof Dict) {
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this.oc = oc;
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}
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}
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loadResources(keys, appearance) {
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loadResources(keys, appearance) {
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return appearance.dict.getAsync("Resources").then(resources => {
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return appearance.dict.getAsync("Resources").then(resources => {
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if (!resources) {
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if (!resources) {
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@ -855,21 +867,27 @@ class Annotation {
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});
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});
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}
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}
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getOperatorList(evaluator, task, intent, renderForms, annotationStorage) {
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async getOperatorList(
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evaluator,
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task,
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intent,
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renderForms,
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annotationStorage
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) {
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const data = this.data;
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const data = this.data;
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let appearance = this.appearance;
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let appearance = this.appearance;
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const isUsingOwnCanvas =
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const isUsingOwnCanvas =
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this.data.hasOwnCanvas && intent & RenderingIntentFlag.DISPLAY;
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this.data.hasOwnCanvas && intent & RenderingIntentFlag.DISPLAY;
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if (!appearance) {
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if (!appearance) {
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if (!isUsingOwnCanvas) {
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if (!isUsingOwnCanvas) {
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return Promise.resolve(new OperatorList());
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return new OperatorList();
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}
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}
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appearance = new StringStream("");
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appearance = new StringStream("");
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appearance.dict = new Dict();
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appearance.dict = new Dict();
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}
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}
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const appearanceDict = appearance.dict;
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const appearanceDict = appearance.dict;
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const resourcesPromise = this.loadResources(
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const resources = await this.loadResources(
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["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"],
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["ExtGState", "ColorSpace", "Pattern", "Shading", "XObject", "Font"],
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appearance
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appearance
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);
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);
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@ -877,30 +895,41 @@ class Annotation {
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const matrix = appearanceDict.getArray("Matrix") || [1, 0, 0, 1, 0, 0];
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const matrix = appearanceDict.getArray("Matrix") || [1, 0, 0, 1, 0, 0];
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const transform = getTransformMatrix(data.rect, bbox, matrix);
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const transform = getTransformMatrix(data.rect, bbox, matrix);
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return resourcesPromise.then(resources => {
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const opList = new OperatorList();
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const opList = new OperatorList();
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opList.addOp(OPS.beginAnnotation, [
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data.id,
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data.rect,
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transform,
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matrix,
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isUsingOwnCanvas,
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]);
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return evaluator
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let optionalContent;
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.getOperatorList({
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if (this.oc) {
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stream: appearance,
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optionalContent = await evaluator.parseMarkedContentProps(
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task,
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this.oc,
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resources,
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/* resources = */ null
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operatorList: opList,
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);
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fallbackFontDict: this._fallbackFontDict,
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}
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})
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if (optionalContent !== undefined) {
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.then(() => {
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opList.addOp(OPS.beginMarkedContentProps, ["OC", optionalContent]);
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opList.addOp(OPS.endAnnotation, []);
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}
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this.reset();
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return opList;
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opList.addOp(OPS.beginAnnotation, [
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});
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data.id,
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data.rect,
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transform,
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matrix,
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isUsingOwnCanvas,
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]);
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await evaluator.getOperatorList({
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stream: appearance,
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task,
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resources,
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operatorList: opList,
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fallbackFontDict: this._fallbackFontDict,
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});
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});
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opList.addOp(OPS.endAnnotation, []);
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if (optionalContent !== undefined) {
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opList.addOp(OPS.endMarkedContent, []);
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}
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this.reset();
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return opList;
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}
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}
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async save(evaluator, task, annotationStorage) {
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async save(evaluator, task, annotationStorage) {
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@ -1575,11 +1604,17 @@ class WidgetAnnotation extends Annotation {
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return str;
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return str;
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}
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}
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getOperatorList(evaluator, task, intent, renderForms, annotationStorage) {
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async getOperatorList(
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evaluator,
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task,
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intent,
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renderForms,
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annotationStorage
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) {
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// Do not render form elements on the canvas when interactive forms are
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// Do not render form elements on the canvas when interactive forms are
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// enabled. The display layer is responsible for rendering them instead.
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// enabled. The display layer is responsible for rendering them instead.
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if (renderForms && !(this instanceof SignatureWidgetAnnotation)) {
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if (renderForms && !(this instanceof SignatureWidgetAnnotation)) {
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return Promise.resolve(new OperatorList());
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return new OperatorList();
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}
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}
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if (!this._hasText) {
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if (!this._hasText) {
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@ -1592,56 +1627,69 @@ class WidgetAnnotation extends Annotation {
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);
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);
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}
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}
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return this._getAppearance(evaluator, task, annotationStorage).then(
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const content = await this._getAppearance(
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content => {
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evaluator,
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if (this.appearance && content === null) {
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task,
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return super.getOperatorList(
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annotationStorage
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evaluator,
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task,
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intent,
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renderForms,
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annotationStorage
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);
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}
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const operatorList = new OperatorList();
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// Even if there is an appearance stream, ignore it. This is the
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// behaviour used by Adobe Reader.
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if (!this._defaultAppearance || content === null) {
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return operatorList;
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}
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const matrix = [1, 0, 0, 1, 0, 0];
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const bbox = [
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0,
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0,
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this.data.rect[2] - this.data.rect[0],
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this.data.rect[3] - this.data.rect[1],
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];
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const transform = getTransformMatrix(this.data.rect, bbox, matrix);
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operatorList.addOp(OPS.beginAnnotation, [
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this.data.id,
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this.data.rect,
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transform,
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this.getRotationMatrix(annotationStorage),
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]);
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const stream = new StringStream(content);
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return evaluator
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.getOperatorList({
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stream,
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task,
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resources: this._fieldResources.mergedResources,
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operatorList,
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})
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.then(function () {
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operatorList.addOp(OPS.endAnnotation, []);
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return operatorList;
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});
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}
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);
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);
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if (this.appearance && content === null) {
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return super.getOperatorList(
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evaluator,
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task,
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intent,
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renderForms,
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annotationStorage
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);
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}
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const operatorList = new OperatorList();
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// Even if there is an appearance stream, ignore it. This is the
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// behaviour used by Adobe Reader.
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if (!this._defaultAppearance || content === null) {
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return operatorList;
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}
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const matrix = [1, 0, 0, 1, 0, 0];
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const bbox = [
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0,
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0,
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this.data.rect[2] - this.data.rect[0],
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this.data.rect[3] - this.data.rect[1],
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];
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const transform = getTransformMatrix(this.data.rect, bbox, matrix);
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let optionalContent;
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if (this.oc) {
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optionalContent = await evaluator.parseMarkedContentProps(
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this.oc,
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/* resources = */ null
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);
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}
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if (optionalContent !== undefined) {
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operatorList.addOp(OPS.beginMarkedContentProps, ["OC", optionalContent]);
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}
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operatorList.addOp(OPS.beginAnnotation, [
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this.data.id,
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this.data.rect,
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transform,
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this.getRotationMatrix(annotationStorage),
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]);
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const stream = new StringStream(content);
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await evaluator.getOperatorList({
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stream,
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task,
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resources: this._fieldResources.mergedResources,
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operatorList,
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});
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operatorList.addOp(OPS.endAnnotation, []);
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if (optionalContent !== undefined) {
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operatorList.addOp(OPS.endMarkedContent, []);
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}
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return operatorList;
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}
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}
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_getMKDict(rotation) {
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_getMKDict(rotation) {
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@ -6561,6 +6561,16 @@
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}
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}
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}
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}
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},
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},
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{ "id": "bug1737260-oc",
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"file": "pdfs/bug1737260.pdf",
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"md5": "8bd4f810d30972764b07ae141a4afbc4",
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"rounds": 1,
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"link": true,
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"type": "eq",
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"optionalContent": {
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"191R": false
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}
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},
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{ "id": "bug1737260",
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{ "id": "bug1737260",
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"file": "pdfs/bug1737260.pdf",
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"file": "pdfs/bug1737260.pdf",
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"md5": "8bd4f810d30972764b07ae141a4afbc4",
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"md5": "8bd4f810d30972764b07ae141a4afbc4",
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