deflation seems to work
parent
c44aafe1e5
commit
fb613bb70e
@ -1,247 +0,0 @@
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// Generated by CoffeeScript 1.12.5
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/*
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PDFDocument - represents an entire PDF document
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By Devon Govett
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*/
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(function() {
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var PDFDocument, PDFObject, PDFPage, PDFReference, fs, stream,
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extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
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hasProp = {}.hasOwnProperty;
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stream = require('stream');
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fs = require('fs');
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PDFObject = require('./object');
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PDFReference = require('./reference');
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PDFPage = require('./page');
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PDFDocument = (function(superClass) {
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var mixin;
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extend(PDFDocument, superClass);
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function PDFDocument(options1) {
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var key, ref1, ref2, val;
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this.options = options1 != null ? options1 : {};
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PDFDocument.__super__.constructor.apply(this, arguments);
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this.version = 1.3;
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this.compress = (ref1 = this.options.compress) != null ? ref1 : true;
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this._pageBuffer = [];
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this._pageBufferStart = 0;
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this._offsets = [];
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this._waiting = 0;
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this._ended = false;
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this._offset = 0;
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this._root = this.ref({
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Type: 'Catalog',
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Pages: this.ref({
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Type: 'Pages',
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Count: 0,
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Kids: []
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})
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});
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this.page = null;
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this.initColor();
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this.initVector();
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this.initFonts();
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this.initText();
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this.initImages();
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this.info = {
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Producer: 'PDFKit',
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Creator: 'PDFKit',
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CreationDate: new Date()
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};
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if (this.options.info) {
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ref2 = this.options.info;
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for (key in ref2) {
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val = ref2[key];
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this.info[key] = val;
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}
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}
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this._write("%PDF-" + this.version);
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this._write("%\xFF\xFF\xFF\xFF");
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if (this.options.autoFirstPage !== false) {
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this.addPage();
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}
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}
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mixin = function(methods) {
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var method, name, results;
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results = [];
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for (name in methods) {
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method = methods[name];
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results.push(PDFDocument.prototype[name] = method);
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}
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return results;
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};
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mixin(require('./mixins/color'));
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mixin(require('./mixins/vector'));
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mixin(require('./mixins/fonts'));
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mixin(require('./mixins/text'));
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mixin(require('./mixins/images'));
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mixin(require('./mixins/annotations'));
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PDFDocument.prototype.addPage = function(options) {
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var pages;
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if (options == null) {
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options = this.options;
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}
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if (!this.options.bufferPages) {
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this.flushPages();
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}
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this.page = new PDFPage(this, options);
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this._pageBuffer.push(this.page);
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pages = this._root.data.Pages.data;
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pages.Kids.push(this.page.dictionary);
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pages.Count++;
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this.x = this.page.margins.left;
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this.y = this.page.margins.top;
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this._ctm = [1, 0, 0, 1, 0, 0];
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this.transform(1, 0, 0, -1, 0, this.page.height);
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this.emit('pageAdded');
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return this;
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};
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PDFDocument.prototype.bufferedPageRange = function() {
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return {
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start: this._pageBufferStart,
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count: this._pageBuffer.length
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};
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};
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PDFDocument.prototype.switchToPage = function(n) {
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var page;
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if (!(page = this._pageBuffer[n - this._pageBufferStart])) {
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throw new Error("switchToPage(" + n + ") out of bounds, current buffer covers pages " + this._pageBufferStart + " to " + (this._pageBufferStart + this._pageBuffer.length - 1));
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}
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return this.page = page;
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};
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PDFDocument.prototype.flushPages = function() {
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var i, len, page, pages;
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pages = this._pageBuffer;
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this._pageBuffer = [];
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this._pageBufferStart += pages.length;
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for (i = 0, len = pages.length; i < len; i++) {
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page = pages[i];
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page.end();
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}
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};
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PDFDocument.prototype.ref = function(data) {
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var ref;
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ref = new PDFReference(this, this._offsets.length + 1, data);
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this._offsets.push(null);
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this._waiting++;
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return ref;
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};
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PDFDocument.prototype._read = function() {};
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PDFDocument.prototype._write = function(data) {
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if (!Buffer.isBuffer(data)) {
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data = new Buffer(data + '\n', 'binary');
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}
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this.push(data);
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return this._offset += data.length;
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};
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PDFDocument.prototype.addContent = function(data) {
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this.page.write(data);
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return this;
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};
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PDFDocument.prototype._refEnd = function(ref) {
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this._offsets[ref.id - 1] = ref.offset;
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if (--this._waiting === 0 && this._ended) {
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this._finalize();
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return this._ended = false;
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}
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};
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PDFDocument.prototype.write = function(filename, fn) {
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var err;
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err = new Error('PDFDocument#write is deprecated, and will be removed in a future version of PDFKit. Please pipe the document into a Node stream.');
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console.warn(err.stack);
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this.pipe(fs.createWriteStream(filename));
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this.end();
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return this.once('end', fn);
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};
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PDFDocument.prototype.output = function(fn) {
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throw new Error('PDFDocument#output is deprecated, and has been removed from PDFKit. Please pipe the document into a Node stream.');
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};
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PDFDocument.prototype.end = function() {
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var font, key, name, ref1, ref2, val;
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this.flushPages();
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this._info = this.ref();
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ref1 = this.info;
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for (key in ref1) {
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val = ref1[key];
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if (typeof val === 'string') {
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val = new String(val);
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}
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this._info.data[key] = val;
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}
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this._info.end();
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ref2 = this._fontFamilies;
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for (name in ref2) {
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font = ref2[name];
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font.finalize();
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}
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this._root.end();
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this._root.data.Pages.end();
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if (this._waiting === 0) {
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return this._finalize();
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} else {
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return this._ended = true;
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}
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};
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PDFDocument.prototype._finalize = function(fn) {
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var i, len, offset, ref1, xRefOffset;
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xRefOffset = this._offset;
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this._write("xref");
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this._write("0 " + (this._offsets.length + 1));
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this._write("0000000000 65535 f ");
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ref1 = this._offsets;
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for (i = 0, len = ref1.length; i < len; i++) {
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offset = ref1[i];
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offset = ('0000000000' + offset).slice(-10);
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this._write(offset + ' 00000 n ');
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}
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this._write('trailer');
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this._write(PDFObject.convert({
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Size: this._offsets.length + 1,
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Root: this._root,
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Info: this._info
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}));
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this._write('startxref');
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this._write("" + xRefOffset);
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this._write('%%EOF');
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return this.push(null);
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};
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PDFDocument.prototype.toString = function() {
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return "[object PDFDocument]";
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};
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return PDFDocument;
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})(stream.Readable);
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module.exports = PDFDocument;
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}).call(this);
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@ -1,117 +0,0 @@
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// Generated by CoffeeScript 1.12.5
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/*
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PDFReference - represents a reference to another object in the PDF object heirarchy
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By Devon Govett
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*/
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(function() {
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var PDFObject, PDFReference, stream, zlib,
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bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
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extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
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hasProp = {}.hasOwnProperty;
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zlib = require('zlib');
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stream = require('stream');
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PDFReference = (function(superClass) {
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extend(PDFReference, superClass);
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function PDFReference(document, id, data) {
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this.document = document;
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this.id = id;
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this.data = data != null ? data : {};
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this.finalize = bind(this.finalize, this);
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PDFReference.__super__.constructor.call(this, {
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decodeStrings: false
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});
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this.gen = 0;
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this.deflate = null;
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this.compress = false;
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this.uncompressedLength = 0;
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this.chunks = [];
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}
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PDFReference.prototype.initDeflate = function() {
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this.data.Filter = 'FlateDecode';
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this.deflate = zlib.createDeflate();
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this.deflate.on('data', (function(_this) {
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return function(chunk) {
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console.log("got data event for ref " + _this.id + " from " + _this.toString());
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_this.chunks.push(chunk);
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return _this.data.Length += chunk.length;
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};
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})(this));
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return this.deflate.on('end', (function(_this) {
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return function() {
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console.log("got end event for ref " + _this.id + " from " + _this.toString());
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return _this.finalize();
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};
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})(this));
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};
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PDFReference.prototype._write = function(chunk, encoding, callback) {
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var base;
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if (!Buffer.isBuffer(chunk)) {
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chunk = new Buffer(chunk + '\n', 'binary');
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}
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this.uncompressedLength += chunk.length;
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if ((base = this.data).Length == null) {
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base.Length = 0;
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}
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if (this.compress) {
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if (!this.deflate) {
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this.initDeflate();
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}
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console.log("chunk = " + chunk);
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this.deflate.write(chunk);
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console.log("wrote chunk");
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} else {
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this.chunks.push(chunk);
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this.data.Length += chunk.length;
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}
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return callback();
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};
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PDFReference.prototype.end = function(chunk) {
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PDFReference.__super__.end.apply(this, arguments);
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if (this.deflate) {
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return this.deflate.end();
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} else {
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return this.finalize();
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}
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};
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PDFReference.prototype.finalize = function() {
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var chunk, i, len, ref;
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this.offset = this.document._offset;
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this.document._write(this.id + " " + this.gen + " obj");
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this.document._write(PDFObject.convert(this.data));
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if (this.chunks.length) {
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this.document._write('stream');
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ref = this.chunks;
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for (i = 0, len = ref.length; i < len; i++) {
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chunk = ref[i];
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this.document._write(chunk);
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}
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this.chunks.length = 0;
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this.document._write('\nendstream');
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}
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this.document._write('endobj');
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return this.document._refEnd(this);
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};
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PDFReference.prototype.toString = function() {
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return this.id + " " + this.gen + " R";
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};
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return PDFReference;
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})(stream.Writable);
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module.exports = PDFReference;
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PDFObject = require('./object');
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}).call(this);
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@ -1,4 +1,3 @@
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#lang racket/base
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(provide (all-defined-out))
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(define test-mode (make-parameter #f))
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(define compression-enabled (make-parameter #f))
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(define test-mode (make-parameter #f))
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PDFDocument = require 'pdfkit'
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fs = require 'fs'
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# Create a new PDFDocument
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# uncompressed obj order: 5 4 3 6 2 1
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# compressed obj order: 5 4 6 2 1 3
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doc = new PDFDocument({compress: yes})
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doc.pipe(fs.createWriteStream('test0c.pdf'))
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doc.end()
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Binary file not shown.
@ -0,0 +1,10 @@
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#lang pitfall/pdftest
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(define-runtime-path this "test0crkt.pdf")
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(check-true
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(let ()
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(define doc (make-object PDFDocument (hash 'compress #t)))
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(send doc pipe (open-output-file this #:exists 'replace))
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(send doc end)))
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(check-copy-equal? this)
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PDFDocument = require 'pdfkit'
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fs = require 'fs'
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# Create a new PDFDocument
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doc = new PDFDocument({compress: no})
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doc.pipe(fs.createWriteStream('test1c.pdf'))
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# Draw a triangle and a circle
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doc.save()
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.moveTo(100, 150)
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.lineTo(100, 250)
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.lineTo(200, 250)
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.fill("#FF3300")
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doc.circle(280, 200, 50)
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.fill("#6600FF")
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doc.end()
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@ -0,0 +1,22 @@
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#lang pitfall/pdftest
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(define-runtime-path this "test1crkt.pdf")
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(check-true
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(let ([doc (make-object PDFDocument (hash 'compress #t))])
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(send doc pipe (open-output-file this #:exists 'replace))
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;; Draw a triangle and a circle
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(send* doc
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[save]
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[moveTo 100 150]
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[lineTo 100 250]
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[lineTo 200 250]
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[fill "#FF3300"])
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(send* doc
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[circle 280 200 50]
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[fill "#6600FF"])
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(send doc end)))
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(check-copy-equal? this)
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@ -0,0 +1,77 @@
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#lang pitfall/pdftest
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(define-runtime-path this "test2crkt.pdf")
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(check-true
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(let ([doc (make-object PDFDocument (hash 'compress #t))])
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(send doc pipe (open-output-file this #:exists 'replace))
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;; curved path as bezier
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(send* doc
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[moveTo 0 20]
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[lineTo 100 160]
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[quadraticCurveTo 130 200 150 120]
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[bezierCurveTo 190 -40 200 200 300 150]
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[lineTo 400 90]
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[stroke])
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(send* doc [translate 0 200])
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;; triangle
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(send* doc
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[polygon '(100 0) '(50 100) '(150 100)]
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[stroke])
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;; dashed circle
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(send* doc
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[save]
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[translate 200 0]
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[circle 100 50 50]
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[dash 5 (hash 'space 10)]
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[stroke]
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[restore])
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;; filled circle
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(send* doc
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[save]
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[translate 400 0]
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[circle 100 50 50]
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[lineWidth 3]
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[fillOpacity 0.8]
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[fillAndStroke "red" "#900"]
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[restore])
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(send* doc [translate 0 200])
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;; these examples are easier to see with a large line width
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(send* doc [lineWidth 25])
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;; line cap settings
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(send* doc [lineCap 'butt]
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[moveTo 50 20]
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[lineTo 100 20]
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[stroke]
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[lineCap 'round]
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[moveTo 150 20]
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[lineTo 200 20]
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[stroke])
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;; square line cap shown with a circle instead of a line so you can see it
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(send* doc [lineCap 'square]
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[moveTo 250 20]
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[circle 275 30 15]
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[stroke])
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;; line join settings
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(send* doc [lineJoin 'miter]
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[rect 50 100 50 50]
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[stroke]
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[lineJoin 'round]
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[rect 150 100 50 50]
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[stroke]
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[lineJoin 'bevel]
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[rect 250 100 50 50]
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[stroke])
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(send doc end)))
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(check-copy-equal? this)
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@ -0,0 +1,10 @@
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#lang pitfall/pdftest
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(define-runtime-path this "test3crkt.pdf")
|
||||
|
||||
(check-true
|
||||
(let ([doc (make-object PDFDocument (hash 'compress #t))])
|
||||
(send doc pipe (open-output-file this #:exists 'replace))
|
||||
(send doc text "Hello world")
|
||||
(send doc end)))
|
||||
|
||||
(check-copy-equal? this)
|
||||
Binary file not shown.
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@ -0,0 +1,68 @@
|
||||
#lang pitfall/pdftest
|
||||
(define-runtime-path this "test4crkt.pdf")
|
||||
|
||||
(check-true
|
||||
(let ([doc (make-object PDFDocument (hash 'compress #t))])
|
||||
(send doc pipe (open-output-file this #:exists 'replace))
|
||||
|
||||
(send* doc
|
||||
[font "Courier-Bold"]
|
||||
[fontSize 10]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Courier-BoldOblique"]
|
||||
[fontSize 11]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Courier-Oblique"]
|
||||
[fontSize 12]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Courier"]
|
||||
[fontSize 14]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Helvetica-Bold"]
|
||||
[fontSize 16]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Helvetica-BoldOblique"]
|
||||
[fontSize 18]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Helvetica-Oblique"]
|
||||
[fontSize 20]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Helvetica"]
|
||||
[fontSize 22]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Symbol"]
|
||||
[fontSize 24]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Times-Bold"]
|
||||
[fontSize 26]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Times-BoldItalic"]
|
||||
[fontSize 28]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Times-Italic"]
|
||||
[fontSize 30]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "Times-Roman"]
|
||||
[fontSize 32]
|
||||
[text "Hello"]
|
||||
[translate -30 30]
|
||||
[font "ZapfDingbats"]
|
||||
[fontSize 34]
|
||||
[text "Hello"])
|
||||
|
||||
|
||||
(send doc end)))
|
||||
|
||||
(check-copy-equal? this)
|
||||
Binary file not shown.
Binary file not shown.
@ -0,0 +1,20 @@
|
||||
#lang pitfall/pdftest
|
||||
(define-runtime-path this "test5crkt.pdf")
|
||||
|
||||
(check-true
|
||||
(let ([doc (make-object PDFDocument (hash 'compress #t))])
|
||||
(send doc pipe (open-output-file this #:exists 'replace))
|
||||
|
||||
;; # Set the font, draw some text, and embed an image
|
||||
(send* doc
|
||||
[font "Times-Italic"]
|
||||
[fontSize 25]
|
||||
[text "Some text with an embedded font!" 100 100 (hash 'lineBreak #f)]
|
||||
[image "assets/test.png" 100 160 (hash 'width 412)]
|
||||
[image "assets/test.jpeg" 190 400 (hash 'height 300)]
|
||||
)
|
||||
|
||||
|
||||
(send doc end)))
|
||||
|
||||
;(check-copy-equal? this)
|
||||
Loading…
Reference in New Issue