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Add a parser to get font data from the default appearance (#12831)

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* Add a parser to get font data from the default appearance
 - pdfium & poppler use a special parser too to get these info.

* Update src/core/default_appearance.js

Co-authored-by: Jonas Jenwald <jonas.jenwald@gmail.com>

Co-authored-by: Jonas Jenwald <jonas.jenwald@gmail.com>
This commit is contained in:
calixteman 2021-01-21 11:15:31 -08:00 • committed by GitHub
parent 4142001fc2
commit 1039698697
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 191 additions and 33 deletions
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4
test/unit/annotation_spec.js
View file

@ -1808,7 +1808,7 @@ describe("annotation", function () {
}, done.fail)
.then(appearance => {
expect(appearance).toEqual(
"/Tx BMC q BT /Helv 11 Tf 1 0 0 1 0 0 Tm" +
"/Tx BMC q BT /Helv 11 Tf 0 g 1 0 0 1 0 0 Tm" +
" 2.00 2.00 Td (test \\(print\\)) Tj ET Q EMC"
);
done();
@ -1848,7 +1848,7 @@ describe("annotation", function () {
"\x30\x53\x30\x93\x30\x6b\x30\x61" +
"\x30\x6f\x4e\x16\x75\x4c\x30\x6e";
expect(appearance).toEqual(
"/Tx BMC q BT /Goth 9 Tf 1 0 0 1 0 0 Tm" +
"/Tx BMC q BT /Goth 9 Tf 0 g 1 0 0 1 0 0 Tm" +
` 2.00 2.00 Td (${utf16String}) Tj ET Q EMC`
);
done();

1
test/unit/clitests.json
View file

@ -16,6 +16,7 @@
"core_utils_spec.js",
"crypto_spec.js",
"custom_spec.js",
"default_appearance_spec.js",
"display_svg_spec.js",
"display_utils_spec.js",
"document_spec.js",

55
test/unit/default_appearance_spec.js Normal file
View file

@ -0,0 +1,55 @@
/* Copyright 2020 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 {
createDefaultAppearance,
parseDefaultAppearance,
} from "../../src/core/default_appearance.js";
import { Name } from "../../src/core/primitives.js";
describe("Default appearance", function () {
describe("parseDefaultAppearance and createDefaultAppearance", function () {
it("should parse and create default appearance", function () {
const da = "/FontName 12 Tf 0.10 0.20 0.30 rg";
const result = {
fontSize: 12,
fontName: Name.get("FontName"),
fontColor: new Uint8ClampedArray([26, 51, 76]),
};
expect(parseDefaultAppearance(da)).toEqual(result);
expect(createDefaultAppearance(result)).toEqual(da);
expect(
parseDefaultAppearance(
" 0.1 0.2 0.3 rg /FontName 12 Tf 0.3 0.2 0.1 rg /NameFont 13 Tf"
)
).toEqual({
fontSize: 13,
fontName: Name.get("NameFont"),
fontColor: new Uint8ClampedArray([76, 51, 26]),
});
});
it("should parse default appearance with save/restore", function () {
const da =
"0.10 0.20 0.30 rg /FontName 12 Tf q 0.30 0.20 0.10 rg /NameFont 13 Tf Q";
expect(parseDefaultAppearance(da)).toEqual({
fontSize: 12,
fontName: Name.get("FontName"),
fontColor: new Uint8ClampedArray([26, 51, 76]),
});
});
});
});

1
test/unit/jasmine-boot.js
View file

@ -60,6 +60,7 @@ async function initializePDFJS(callback) {
"pdfjs-test/unit/core_utils_spec.js",
"pdfjs-test/unit/crypto_spec.js",
"pdfjs-test/unit/custom_spec.js",
"pdfjs-test/unit/default_appearance_spec.js",
"pdfjs-test/unit/display_svg_spec.js",
"pdfjs-test/unit/display_utils_spec.js",
"pdfjs-test/unit/document_spec.js",