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4c5e73a06c
* tiling pattern support (foliojs#526) based on strokovnjaka/pdfkit@b85dd55622 Co-authored-by: Jernej Logar <jernej.logar@plandela.si>
121 lines
2.5 KiB
JavaScript
121 lines
2.5 KiB
JavaScript
import PDFDocument from '../../lib/document';
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import { logData } from './helpers';
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describe('Pattern', function() {
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let document;
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beforeEach(() => {
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document = new PDFDocument({
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info: { CreationDate: new Date(Date.UTC(2018, 1, 1)) },
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compress: false
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});
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});
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test('Uncolored tiling pattern', () => {
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const docData = logData(document);
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const patternStream = '1 w 0 1 m 4 5 l s 2 0 m 5 3 l s';
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const binaryStream = Buffer.from(`${patternStream}\n`, 'binary');
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const pattern = document.pattern([1, 1, 4, 4], 3, 3, patternStream);
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document
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.rect(0, 0, 100, 100)
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.fill([pattern, 'blue'])
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.end();
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// empty resources
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expect(docData).toContainChunk(['10 0 obj', `<<\n>>`]);
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// pattern dictionary
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expect(docData).toContainChunk([
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'11 0 obj',
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`<<
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/Type /Pattern
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/PatternType 1
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/PaintType 2
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/TilingType 2
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/BBox [1 1 4 4]
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/XStep 3
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/YStep 3
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/Matrix [1 0 0 -1 0 792]
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/Resources 10 0 R
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/Length 32
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>>`,
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'stream',
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binaryStream,
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'\nendstream'
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]);
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// page resource dictionary with color space and pattern
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expect(docData).toContainChunk([
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'6 0 obj',
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`<<
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/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]
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/ColorSpace <<
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/CsPDeviceCMYK 8 0 R
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/CsPDeviceRGB 9 0 R
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>>
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/Pattern <<
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/P1 11 0 R
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>>
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>>`
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]);
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// map to the underlying color space
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expect(docData).toContainChunk(['8 0 obj', `[/Pattern /DeviceCMYK]`]);
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expect(docData).toContainChunk(['9 0 obj', `[/Pattern /DeviceRGB]`]);
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// graphics
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const graphicsStream = Buffer.from(
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`1 0 0 -1 0 792 cm
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0 0 100 100 re
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/CsPDeviceRGB cs
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0 0 1 /P1 scn
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f\n`,
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'binary'
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);
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expect(docData).toContainChunk([
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'5 0 obj',
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`<<
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/Length 66
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>>`,
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'stream',
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graphicsStream,
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'\nendstream'
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]);
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});
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test('Pattern naming', () => {
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const docData = logData(document);
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const pattern1 = document.pattern(
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[1, 1, 4, 4],
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3,
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3,
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'1 w 0 1 m 4 5 l s 2 0 m 5 3 l s'
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);
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const pattern2 = document.pattern(
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[1, 1, 7, 7],
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6,
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6,
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'1 w 0 1 m 7 8 l s 5 0 m 8 3 l s'
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);
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document.rect(0, 0, 100, 100).fill([pattern1, 'blue']);
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document
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.rect(0, 0, 100, 100)
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.fill([pattern2, 'red'])
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.end();
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// patterns P1 and P2
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expect(docData).toContainChunk([
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'6 0 obj',
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`<<
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/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]
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/ColorSpace <<
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/CsPDeviceCMYK 8 0 R
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/CsPDeviceRGB 9 0 R
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>>
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/Pattern <<
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/P1 11 0 R
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/P2 13 0 R
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>>
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>>`
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]);
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});
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});
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