de36b2aaba
Note that Prettier, purposely, has only limited [configuration options](https://prettier.io/docs/en/options.html). The configuration file is based on [the one in `mozilla central`](https://searchfox.org/mozilla-central/source/.prettierrc) with just a few additions (to avoid future breakage if the defaults ever changes). Prettier is being used for a couple of reasons: - To be consistent with `mozilla-central`, where Prettier is already in use across the tree. - To ensure a *consistent* coding style everywhere, which is automatically enforced during linting (since Prettier is used as an ESLint plugin). This thus ends "all" formatting disussions once and for all, removing the need for review comments on most stylistic matters. Many ESLint options are now redundant, and I've tried my best to remove all the now unnecessary options (but I may have missed some). Note also that since Prettier considers the `printWidth` option as a guide, rather than a hard rule, this patch resorts to a small hack in the ESLint config to ensure that *comments* won't become too long. *Please note:* This patch is generated automatically, by appending the `--fix` argument to the ESLint call used in the `gulp lint` task. It will thus require some additional clean-up, which will be done in a *separate* commit. (On a more personal note, I'll readily admit that some of the changes Prettier makes are *extremely* ugly. However, in the name of consistency we'll probably have to live with that.)
599 lines
17 KiB
JavaScript
599 lines
17 KiB
JavaScript
/* Copyright 2017 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { Dict, Name, Ref } from "../../src/core/primitives";
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import { Stream, StringStream } from "../../src/core/stream";
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import { ColorSpace } from "../../src/core/colorspace";
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import { PDFFunctionFactory } from "../../src/core/function";
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import { XRefMock } from "./test_utils";
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describe("colorspace", function() {
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describe("ColorSpace", function() {
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it("should be true if decode is not an array", function() {
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expect(ColorSpace.isDefaultDecode("string", 0)).toBeTruthy();
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});
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it("should be true if length of decode array is not correct", function() {
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expect(ColorSpace.isDefaultDecode([0], 1)).toBeTruthy();
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expect(ColorSpace.isDefaultDecode([0, 1, 0], 1)).toBeTruthy();
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});
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it("should be true if decode map matches the default decode map", function() {
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expect(ColorSpace.isDefaultDecode([], 0)).toBeTruthy();
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expect(ColorSpace.isDefaultDecode([0, 0], 1)).toBeFalsy();
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expect(ColorSpace.isDefaultDecode([0, 1], 1)).toBeTruthy();
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expect(ColorSpace.isDefaultDecode([0, 1, 0, 1, 0, 1], 3)).toBeTruthy();
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expect(ColorSpace.isDefaultDecode([0, 1, 0, 1, 1, 1], 3)).toBeFalsy();
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expect(
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ColorSpace.isDefaultDecode([0, 1, 0, 1, 0, 1, 0, 1], 4)
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).toBeTruthy();
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expect(
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ColorSpace.isDefaultDecode([1, 0, 0, 1, 0, 1, 0, 1], 4)
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).toBeFalsy();
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});
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});
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describe("DeviceGrayCS", function() {
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it("should handle the case when cs is a Name object", function() {
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let cs = Name.get("DeviceGray");
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let xref = new XRefMock([
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{
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ref: Ref.get(10, 0),
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data: new Dict(),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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let testSrc = new Uint8Array([27, 125, 250, 131]);
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let testDest = new Uint8ClampedArray(4 * 4 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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27, 27, 27,
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27, 27, 27,
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125, 125, 125,
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125, 125, 125,
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27, 27, 27,
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27, 27, 27,
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125, 125, 125,
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125, 125, 125,
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250, 250, 250,
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250, 250, 250,
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131, 131, 131,
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131, 131, 131,
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250, 250, 250,
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250, 250, 250,
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131, 131, 131,
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131, 131, 131
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]);
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colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
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expect(colorSpace.getRgb(new Float32Array([0.1]), 0)).toEqual(
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new Uint8ClampedArray([26, 26, 26])
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);
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expect(colorSpace.getOutputLength(2, 0)).toEqual(6);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(testDest).toEqual(expectedDest);
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});
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it("should handle the case when cs is an indirect object", function() {
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let cs = Ref.get(10, 0);
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let xref = new XRefMock([
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{
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ref: cs,
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data: Name.get("DeviceGray"),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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let testSrc = new Uint8Array([27, 125, 250, 131]);
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let testDest = new Uint8ClampedArray(3 * 3 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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27, 27, 27,
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27, 27, 27,
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125, 125, 125,
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27, 27, 27,
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27, 27, 27,
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125, 125, 125,
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250, 250, 250,
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250, 250, 250,
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131, 131, 131
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]);
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colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
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expect(colorSpace.getRgb(new Float32Array([0.2]), 0)).toEqual(
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new Uint8ClampedArray([51, 51, 51])
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);
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expect(colorSpace.getOutputLength(3, 1)).toEqual(12);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(testDest).toEqual(expectedDest);
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});
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});
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describe("DeviceRgbCS", function() {
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it("should handle the case when cs is a Name object", function() {
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let cs = Name.get("DeviceRGB");
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let xref = new XRefMock([
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{
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ref: Ref.get(10, 0),
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data: new Dict(),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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// prettier-ignore
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let testSrc = new Uint8Array([
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27, 125, 250,
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131, 139, 140,
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111, 25, 198,
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21, 147, 255
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]);
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let testDest = new Uint8ClampedArray(4 * 4 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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27, 125, 250,
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27, 125, 250,
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131, 139, 140,
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131, 139, 140,
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27, 125, 250,
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27, 125, 250,
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131, 139, 140,
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131, 139, 140,
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111, 25, 198,
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111, 25, 198,
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21, 147, 255,
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21, 147, 255,
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111, 25, 198,
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111, 25, 198,
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21, 147, 255,
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21, 147, 255
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]);
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colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
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expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3]), 0)).toEqual(
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new Uint8ClampedArray([26, 51, 77])
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);
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expect(colorSpace.getOutputLength(4, 0)).toEqual(4);
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expect(colorSpace.isPassthrough(8)).toBeTruthy();
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expect(testDest).toEqual(expectedDest);
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});
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it("should handle the case when cs is an indirect object", function() {
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let cs = Ref.get(10, 0);
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let xref = new XRefMock([
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{
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ref: cs,
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data: Name.get("DeviceRGB"),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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// prettier-ignore
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let testSrc = new Uint8Array([
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27, 125, 250,
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131, 139, 140,
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111, 25, 198,
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21, 147, 255
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]);
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let testDest = new Uint8ClampedArray(3 * 3 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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27, 125, 250,
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27, 125, 250,
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131, 139, 140,
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27, 125, 250,
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27, 125, 250,
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131, 139, 140,
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111, 25, 198,
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111, 25, 198,
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21, 147, 255
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]);
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colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
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expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3]), 0)).toEqual(
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new Uint8ClampedArray([26, 51, 77])
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);
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expect(colorSpace.getOutputLength(4, 1)).toEqual(5);
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expect(colorSpace.isPassthrough(8)).toBeTruthy();
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expect(testDest).toEqual(expectedDest);
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});
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});
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describe("DeviceCmykCS", function() {
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it("should handle the case when cs is a Name object", function() {
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let cs = Name.get("DeviceCMYK");
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let xref = new XRefMock([
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{
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ref: Ref.get(10, 0),
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data: new Dict(),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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// prettier-ignore
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let testSrc = new Uint8Array([
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27, 125, 250, 128,
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131, 139, 140, 45,
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111, 25, 198, 78,
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21, 147, 255, 69
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]);
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let testDest = new Uint8ClampedArray(4 * 4 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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135, 81, 18,
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135, 81, 18,
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114, 102, 97,
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114, 102, 97,
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135, 81, 18,
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135, 81, 18,
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114, 102, 97,
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114, 102, 97,
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112, 144, 75,
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112, 144, 75,
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188, 98, 27,
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188, 98, 27,
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112, 144, 75,
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112, 144, 75,
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188, 98, 27,
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188, 98, 27
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]);
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colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
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expect(
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colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3, 1]), 0)
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).toEqual(new Uint8ClampedArray([32, 28, 21]));
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expect(colorSpace.getOutputLength(4, 0)).toEqual(3);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(testDest).toEqual(expectedDest);
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});
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it("should handle the case when cs is an indirect object", function() {
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let cs = Ref.get(10, 0);
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let xref = new XRefMock([
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{
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ref: cs,
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data: Name.get("DeviceCMYK"),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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// prettier-ignore
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let testSrc = new Uint8Array([
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27, 125, 250, 128,
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131, 139, 140, 45,
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111, 25, 198, 78,
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21, 147, 255, 69
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]);
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let testDest = new Uint8ClampedArray(3 * 3 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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135, 81, 18,
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135, 81, 18,
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114, 102, 97,
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135, 81, 18,
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135, 81, 18,
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114, 102, 97,
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112, 144, 75,
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112, 144, 75,
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188, 98, 27
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]);
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colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
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expect(
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colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3, 1]), 0)
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).toEqual(new Uint8ClampedArray([32, 28, 21]));
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expect(colorSpace.getOutputLength(4, 1)).toEqual(4);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(testDest).toEqual(expectedDest);
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});
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});
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describe("CalGrayCS", function() {
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it("should handle the case when cs is an array", function() {
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let params = new Dict();
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params.set("WhitePoint", [1, 1, 1]);
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params.set("BlackPoint", [0, 0, 0]);
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params.set("Gamma", 2.0);
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let cs = [Name.get("CalGray"), params];
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let xref = new XRefMock([
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{
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ref: Ref.get(10, 0),
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data: new Dict(),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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let testSrc = new Uint8Array([27, 125, 250, 131]);
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let testDest = new Uint8ClampedArray(4 * 4 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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25, 25, 25,
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25, 25, 25,
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143, 143, 143,
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143, 143, 143,
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25, 25, 25,
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25, 25, 25,
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143, 143, 143,
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143, 143, 143,
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251, 251, 251,
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251, 251, 251,
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149, 149, 149,
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149, 149, 149,
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251, 251, 251,
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251, 251, 251,
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149, 149, 149,
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149, 149, 149
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]);
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colorSpace.fillRgb(testDest, 2, 2, 4, 4, 4, 8, testSrc, 0);
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expect(colorSpace.getRgb(new Float32Array([1.0]), 0)).toEqual(
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new Uint8ClampedArray([255, 255, 255])
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);
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expect(colorSpace.getOutputLength(4, 0)).toEqual(12);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(testDest).toEqual(expectedDest);
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});
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});
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describe("CalRGBCS", function() {
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it("should handle the case when cs is an array", function() {
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let params = new Dict();
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params.set("WhitePoint", [1, 1, 1]);
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params.set("BlackPoint", [0, 0, 0]);
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params.set("Gamma", [1, 1, 1]);
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params.set("Matrix", [1, 0, 0, 0, 1, 0, 0, 0, 1]);
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let cs = [Name.get("CalRGB"), params];
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let xref = new XRefMock([
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{
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ref: Ref.get(10, 0),
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data: new Dict(),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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// prettier-ignore
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let testSrc = new Uint8Array([
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27, 125, 250,
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131, 139, 140,
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111, 25, 198,
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21, 147, 255
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]);
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let testDest = new Uint8ClampedArray(3 * 3 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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0, 238, 255,
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0, 238, 255,
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185, 196, 195,
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0, 238, 255,
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0, 238, 255,
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185, 196, 195,
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235, 0, 243,
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235, 0, 243,
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0, 255, 255
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]);
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colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
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expect(colorSpace.getRgb(new Float32Array([0.1, 0.2, 0.3]), 0)).toEqual(
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new Uint8ClampedArray([0, 147, 151])
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);
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expect(colorSpace.getOutputLength(4, 0)).toEqual(4);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(testDest).toEqual(expectedDest);
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});
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});
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describe("LabCS", function() {
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it("should handle the case when cs is an array", function() {
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let params = new Dict();
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params.set("WhitePoint", [1, 1, 1]);
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params.set("BlackPoint", [0, 0, 0]);
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params.set("Range", [-100, 100, -100, 100]);
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let cs = [Name.get("Lab"), params];
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let xref = new XRefMock([
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{
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ref: Ref.get(10, 0),
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data: new Dict(),
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},
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]);
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let res = new Dict();
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let pdfFunctionFactory = new PDFFunctionFactory({
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xref,
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});
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let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
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// prettier-ignore
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let testSrc = new Uint8Array([
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27, 25, 50,
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31, 19, 40,
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11, 25, 98,
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21, 47, 55
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]);
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let testDest = new Uint8ClampedArray(3 * 3 * 3);
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// prettier-ignore
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let expectedDest = new Uint8ClampedArray([
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0, 49, 101,
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0, 49, 101,
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0, 53, 117,
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0, 49, 101,
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0, 49, 101,
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0, 53, 117,
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0, 41, 40,
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0, 41, 40,
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0, 43, 90
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]);
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colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
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expect(colorSpace.getRgb([55, 25, 35], 0)).toEqual(
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new Uint8ClampedArray([188, 100, 61])
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);
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expect(colorSpace.getOutputLength(4, 0)).toEqual(4);
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expect(colorSpace.isPassthrough(8)).toBeFalsy();
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expect(colorSpace.isDefaultDecode([0, 1])).toBeTruthy();
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expect(testDest).toEqual(expectedDest);
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});
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});
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describe("IndexedCS", function() {
|
|
it("should handle the case when cs is an array", function() {
|
|
// prettier-ignore
|
|
let lookup = new Uint8Array([
|
|
23, 155, 35,
|
|
147, 69, 93,
|
|
255, 109, 70
|
|
]);
|
|
let cs = [Name.get("Indexed"), Name.get("DeviceRGB"), 2, lookup];
|
|
let xref = new XRefMock([
|
|
{
|
|
ref: Ref.get(10, 0),
|
|
data: new Dict(),
|
|
},
|
|
]);
|
|
let res = new Dict();
|
|
|
|
let pdfFunctionFactory = new PDFFunctionFactory({
|
|
xref,
|
|
});
|
|
let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
|
|
|
|
let testSrc = new Uint8Array([2, 2, 0, 1]);
|
|
let testDest = new Uint8ClampedArray(3 * 3 * 3);
|
|
// prettier-ignore
|
|
let expectedDest = new Uint8ClampedArray([
|
|
255, 109, 70,
|
|
255, 109, 70,
|
|
255, 109, 70,
|
|
255, 109, 70,
|
|
255, 109, 70,
|
|
255, 109, 70,
|
|
23, 155, 35,
|
|
23, 155, 35,
|
|
147, 69, 93,
|
|
]);
|
|
colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
|
|
|
|
expect(colorSpace.getRgb([2], 0)).toEqual(
|
|
new Uint8ClampedArray([255, 109, 70])
|
|
);
|
|
expect(colorSpace.isPassthrough(8)).toBeFalsy();
|
|
expect(colorSpace.isDefaultDecode([0, 1], 1)).toBeTruthy();
|
|
expect(testDest).toEqual(expectedDest);
|
|
});
|
|
});
|
|
|
|
describe("AlternateCS", function() {
|
|
it("should handle the case when cs is an array", function() {
|
|
let fnDict = new Dict();
|
|
fnDict.set("FunctionType", 4);
|
|
fnDict.set("Domain", [0.0, 1.0]);
|
|
fnDict.set("Range", [0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0]);
|
|
fnDict.set("Length", 58);
|
|
|
|
let fn = new StringStream(
|
|
"{ dup 0.84 mul " +
|
|
"exch 0.00 exch " +
|
|
"dup 0.44 mul " +
|
|
"exch 0.21 mul }"
|
|
);
|
|
fn = new Stream(fn.bytes, 0, 58, fnDict);
|
|
|
|
let fnRef = Ref.get(10, 0);
|
|
|
|
let cs = [
|
|
Name.get("Separation"),
|
|
Name.get("LogoGreen"),
|
|
Name.get("DeviceCMYK"),
|
|
fnRef,
|
|
];
|
|
let xref = new XRefMock([
|
|
{
|
|
ref: fnRef,
|
|
data: fn,
|
|
},
|
|
]);
|
|
let res = new Dict();
|
|
|
|
let pdfFunctionFactory = new PDFFunctionFactory({
|
|
xref,
|
|
});
|
|
let colorSpace = ColorSpace.parse(cs, xref, res, pdfFunctionFactory);
|
|
|
|
let testSrc = new Uint8Array([27, 25, 50, 31]);
|
|
let testDest = new Uint8ClampedArray(3 * 3 * 3);
|
|
// prettier-ignore
|
|
let expectedDest = new Uint8ClampedArray([
|
|
226, 242, 241,
|
|
226, 242, 241,
|
|
229, 244, 242,
|
|
226, 242, 241,
|
|
226, 242, 241,
|
|
229, 244, 242,
|
|
203, 232, 229,
|
|
203, 232, 229,
|
|
222, 241, 238
|
|
]);
|
|
colorSpace.fillRgb(testDest, 2, 2, 3, 3, 3, 8, testSrc, 0);
|
|
|
|
expect(colorSpace.getRgb([0.1], 0)).toEqual(
|
|
new Uint8ClampedArray([228, 243, 242])
|
|
);
|
|
expect(colorSpace.isPassthrough(8)).toBeFalsy();
|
|
expect(colorSpace.isDefaultDecode([0, 1])).toBeTruthy();
|
|
expect(testDest).toEqual(expectedDest);
|
|
});
|
|
});
|
|
});
|