intelisa.pdf
openweb_tm-PRINT.pdf
local.mk
+build/
+
# JS files needed for pdf.js.
# This list doesn't account for the 'worker' directory.
PDF_JS_FILES = \
- pdf.js \
- crypto.js \
- fonts.js \
- metrics.js \
- charsets.js \
- glyphlist.js \
- cidmaps.js \
+ core.js \
+ util.js \
+ canvas.js \
+ obj.js \
+ function.js \
+ charsets.js \
+ cidmaps.js \
+ colorspace.js \
+ core.js \
+ crypto.js \
+ evaluator.js \
+ fonts.js \
+ glyphlist.js \
+ image.js \
+ metrics.js \
+ parser.js \
+ pattern.js \
+ stream.js \
+ worker/message_handler.js \
+ worker/processor_handler.js \
$(NULL)
PDF_WORKER_FILES = \
worker/processor_handler.js \
$(NULL)
-# not sure what to do for all yet
-all: help
+#
+# Bundle pdf.js
+#
+pdfjs:
+ @echo "Bundling source files..."
+ @mkdir -p build
+ @cd src; \
+ cat $(PDF_JS_FILES) > all_files.tmp; \
+ sed -E '/INSERT_POINT/ r all_files.tmp' pdf.js > ../build/pdf.js; \
+ rm -f all_files.tmp; \
+ cd ..
+
+#
+# Watch for file changes, regenerate pdf.js if change found
+#
+watch:
+ @echo "Watching for file changes in src/"
+ @python watch.py src/*.js - 'make pdfjs'
# make server
#
--- /dev/null
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+'use strict';
+
+var ERRORS = 0, WARNINGS = 1, TODOS = 5;
+var verbosity = WARNINGS;
+
+// Set this to true if you want to use workers.
+var useWorker = false;
+
+//
+// getPdf()
+// Convenience function to perform binary Ajax GET
+// Usage: getPdf('http://...', callback)
+// getPdf({
+// url:String ,
+// [,progress:Function, error:Function]
+// },
+// callback)
+//
+function getPdf(arg, callback) {
+ var params = arg;
+ if (typeof arg === 'string')
+ params = { url: arg };
+
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', params.url);
+ xhr.mozResponseType = xhr.responseType = 'arraybuffer';
+ xhr.expected = (document.URL.indexOf('file:') === 0) ? 0 : 200;
+
+ if ('progress' in params)
+ xhr.onprogress = params.progress || undefined;
+
+ if ('error' in params)
+ xhr.onerror = params.error || undefined;
+
+ xhr.onreadystatechange = function getPdfOnreadystatechange() {
+ if (xhr.readyState === 4 && xhr.status === xhr.expected) {
+ var data = (xhr.mozResponseArrayBuffer || xhr.mozResponse ||
+ xhr.responseArrayBuffer || xhr.response);
+ callback(data);
+ }
+ };
+ xhr.send(null);
+}
+
+var Page = (function pagePage() {
+ function constructor(xref, pageNumber, pageDict, ref) {
+ this.pageNumber = pageNumber;
+ this.pageDict = pageDict;
+ this.stats = {
+ create: Date.now(),
+ compile: 0.0,
+ fonts: 0.0,
+ images: 0.0,
+ render: 0.0
+ };
+ this.xref = xref;
+ this.ref = ref;
+ }
+
+ constructor.prototype = {
+ getPageProp: function pageGetPageProp(key) {
+ return this.xref.fetchIfRef(this.pageDict.get(key));
+ },
+ inheritPageProp: function pageInheritPageProp(key) {
+ var dict = this.pageDict;
+ var obj = dict.get(key);
+ while (obj === undefined) {
+ dict = this.xref.fetchIfRef(dict.get('Parent'));
+ if (!dict)
+ break;
+ obj = dict.get(key);
+ }
+ return obj;
+ },
+ get content() {
+ return shadow(this, 'content', this.getPageProp('Contents'));
+ },
+ get resources() {
+ return shadow(this, 'resources', this.inheritPageProp('Resources'));
+ },
+ get mediaBox() {
+ var obj = this.inheritPageProp('MediaBox');
+ // Reset invalid media box to letter size.
+ if (!isArray(obj) || obj.length !== 4)
+ obj = [0, 0, 612, 792];
+ return shadow(this, 'mediaBox', obj);
+ },
+ get view() {
+ var obj = this.inheritPageProp('CropBox');
+ var view = {
+ x: 0,
+ y: 0,
+ width: this.width,
+ height: this.height
+ };
+ if (isArray(obj) && obj.length == 4) {
+ var tl = this.rotatePoint(obj[0], obj[1]);
+ var br = this.rotatePoint(obj[2], obj[3]);
+ view.x = Math.min(tl.x, br.x);
+ view.y = Math.min(tl.y, br.y);
+ view.width = Math.abs(tl.x - br.x);
+ view.height = Math.abs(tl.y - br.y);
+ }
+
+ return shadow(this, 'cropBox', view);
+ },
+ get annotations() {
+ return shadow(this, 'annotations', this.inheritPageProp('Annots'));
+ },
+ get width() {
+ var mediaBox = this.mediaBox;
+ var rotate = this.rotate;
+ var width;
+ if (rotate == 0 || rotate == 180) {
+ width = (mediaBox[2] - mediaBox[0]);
+ } else {
+ width = (mediaBox[3] - mediaBox[1]);
+ }
+ return shadow(this, 'width', width);
+ },
+ get height() {
+ var mediaBox = this.mediaBox;
+ var rotate = this.rotate;
+ var height;
+ if (rotate == 0 || rotate == 180) {
+ height = (mediaBox[3] - mediaBox[1]);
+ } else {
+ height = (mediaBox[2] - mediaBox[0]);
+ }
+ return shadow(this, 'height', height);
+ },
+ get rotate() {
+ var rotate = this.inheritPageProp('Rotate') || 0;
+ // Normalize rotation so it's a multiple of 90 and between 0 and 270
+ if (rotate % 90 != 0) {
+ rotate = 0;
+ } else if (rotate >= 360) {
+ rotate = rotate % 360;
+ } else if (rotate < 0) {
+ // The spec doesn't cover negatives, assume its counterclockwise
+ // rotation. The following is the other implementation of modulo.
+ rotate = ((rotate % 360) + 360) % 360;
+ }
+ return shadow(this, 'rotate', rotate);
+ },
+
+ startRenderingFromIRQueue: function startRenderingFromIRQueue(
+ IRQueue, fonts) {
+ var self = this;
+ this.IRQueue = IRQueue;
+ var gfx = new CanvasGraphics(this.ctx, this.objs);
+ var startTime = Date.now();
+
+ var displayContinuation = function pageDisplayContinuation() {
+ // Always defer call to display() to work around bug in
+ // Firefox error reporting from XHR callbacks.
+ setTimeout(function pageSetTimeout() {
+ try {
+ self.display(gfx, self.callback);
+ } catch (e) {
+ if (self.callback) self.callback(e.toString());
+ throw e;
+ }
+ });
+ };
+
+ this.ensureFonts(fonts, function() {
+ displayContinuation();
+ });
+ },
+
+ getIRQueue: function(handler, dependency) {
+ if (this.IRQueue) {
+ // content was compiled
+ return this.IRQueue;
+ }
+
+ var xref = this.xref;
+ var content = xref.fetchIfRef(this.content);
+ var resources = xref.fetchIfRef(this.resources);
+ if (isArray(content)) {
+ // fetching items
+ var i, n = content.length;
+ for (i = 0; i < n; ++i)
+ content[i] = xref.fetchIfRef(content[i]);
+ content = new StreamsSequenceStream(content);
+ }
+
+ var pe = this.pe = new PartialEvaluator(
+ xref, handler, 'p' + this.pageNumber + '_');
+ var IRQueue = {};
+ return this.IRQueue = pe.getIRQueue(
+ content, resources, IRQueue, dependency);
+ },
+
+ ensureFonts: function(fonts, callback) {
+ // Convert the font names to the corresponding font obj.
+ for (var i = 0; i < fonts.length; i++) {
+ fonts[i] = this.objs.objs[fonts[i]].data;
+ }
+
+ // Load all the fonts
+ var fontObjs = FontLoader.bind(
+ fonts,
+ function(fontObjs) {
+ this.stats.fonts = Date.now();
+
+ callback.call(this);
+ }.bind(this),
+ this.objs
+ );
+ },
+
+ display: function(gfx, callback) {
+ var xref = this.xref;
+ var resources = xref.fetchIfRef(this.resources);
+ var mediaBox = xref.fetchIfRef(this.mediaBox);
+ assertWellFormed(isDict(resources), 'invalid page resources');
+
+ gfx.xref = xref;
+ gfx.res = resources;
+ gfx.beginDrawing({ x: mediaBox[0], y: mediaBox[1],
+ width: this.width,
+ height: this.height,
+ rotate: this.rotate });
+
+ var startIdx = 0;
+ var length = this.IRQueue.fnArray.length;
+ var IRQueue = this.IRQueue;
+
+ var self = this;
+ var startTime = Date.now();
+ function next() {
+ startIdx = gfx.executeIRQueue(IRQueue, startIdx, next);
+ if (startIdx == length) {
+ self.stats.render = Date.now();
+ if (callback) callback();
+ }
+ }
+ next();
+ },
+ rotatePoint: function pageRotatePoint(x, y, reverse) {
+ var rotate = reverse ? (360 - this.rotate) : this.rotate;
+ switch (rotate) {
+ case 180:
+ return {x: this.width - x, y: y};
+ case 90:
+ return {x: this.width - y, y: this.height - x};
+ case 270:
+ return {x: y, y: x};
+ case 360:
+ case 0:
+ default:
+ return {x: x, y: this.height - y};
+ }
+ },
+ getLinks: function pageGetLinks() {
+ var xref = this.xref;
+ var annotations = xref.fetchIfRef(this.annotations) || [];
+ var i, n = annotations.length;
+ var links = [];
+ for (i = 0; i < n; ++i) {
+ var annotation = xref.fetch(annotations[i]);
+ if (!isDict(annotation))
+ continue;
+ var subtype = annotation.get('Subtype');
+ if (!isName(subtype) || subtype.name != 'Link')
+ continue;
+ var rect = annotation.get('Rect');
+ var topLeftCorner = this.rotatePoint(rect[0], rect[1]);
+ var bottomRightCorner = this.rotatePoint(rect[2], rect[3]);
+
+ var link = {};
+ link.x = Math.min(topLeftCorner.x, bottomRightCorner.x);
+ link.y = Math.min(topLeftCorner.y, bottomRightCorner.y);
+ link.width = Math.abs(topLeftCorner.x - bottomRightCorner.x);
+ link.height = Math.abs(topLeftCorner.y - bottomRightCorner.y);
+ var a = this.xref.fetchIfRef(annotation.get('A'));
+ if (a) {
+ switch (a.get('S').name) {
+ case 'URI':
+ link.url = a.get('URI');
+ break;
+ case 'GoTo':
+ link.dest = a.get('D');
+ break;
+ default:
+ TODO('other link types');
+ }
+ } else if (annotation.has('Dest')) {
+ // simple destination link
+ var dest = annotation.get('Dest');
+ link.dest = isName(dest) ? dest.name : dest;
+ }
+ links.push(link);
+ }
+ return links;
+ },
+ startRendering: function(ctx, callback) {
+ this.ctx = ctx;
+ this.callback = callback;
+
+ this.startRenderingTime = Date.now();
+ this.pdf.startRendering(this);
+ }
+ };
+
+ return constructor;
+})();
+
+/**
+ * The `PDFDocModel` holds all the data of the PDF file. Compared to the
+ * `PDFDoc`, this one doesn't have any job management code.
+ * Right now there exists one PDFDocModel on the main thread + one object
+ * for each worker. If there is no worker support enabled, there are two
+ * `PDFDocModel` objects on the main thread created.
+ * TODO: Refactor the internal object structure, such that there is no
+ * need for the `PDFDocModel` anymore and there is only one object on the
+ * main thread and not one entire copy on each worker instance.
+ */
+var PDFDocModel = (function pdfDoc() {
+ function constructor(arg, callback) {
+ if (isStream(arg))
+ init.call(this, arg);
+ else if (isArrayBuffer(arg))
+ init.call(this, new Stream(arg));
+ else
+ error('PDFDocModel: Unknown argument type');
+ }
+
+ function init(stream) {
+ assertWellFormed(stream.length > 0, 'stream must have data');
+ this.stream = stream;
+ this.setup();
+ }
+
+ function find(stream, needle, limit, backwards) {
+ var pos = stream.pos;
+ var end = stream.end;
+ var str = '';
+ if (pos + limit > end)
+ limit = end - pos;
+ for (var n = 0; n < limit; ++n)
+ str += stream.getChar();
+ stream.pos = pos;
+ var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle);
+ if (index == -1)
+ return false; /* not found */
+ stream.pos += index;
+ return true; /* found */
+ }
+
+ constructor.prototype = {
+ get linearization() {
+ var length = this.stream.length;
+ var linearization = false;
+ if (length) {
+ linearization = new Linearization(this.stream);
+ if (linearization.length != length)
+ linearization = false;
+ }
+ // shadow the prototype getter with a data property
+ return shadow(this, 'linearization', linearization);
+ },
+ get startXRef() {
+ var stream = this.stream;
+ var startXRef = 0;
+ var linearization = this.linearization;
+ if (linearization) {
+ // Find end of first obj.
+ stream.reset();
+ if (find(stream, 'endobj', 1024))
+ startXRef = stream.pos + 6;
+ } else {
+ // Find startxref at the end of the file.
+ var start = stream.end - 1024;
+ if (start < 0)
+ start = 0;
+ stream.pos = start;
+ if (find(stream, 'startxref', 1024, true)) {
+ stream.skip(9);
+ var ch;
+ do {
+ ch = stream.getChar();
+ } while (Lexer.isSpace(ch));
+ var str = '';
+ while ((ch - '0') <= 9) {
+ str += ch;
+ ch = stream.getChar();
+ }
+ startXRef = parseInt(str, 10);
+ if (isNaN(startXRef))
+ startXRef = 0;
+ }
+ }
+ // shadow the prototype getter with a data property
+ return shadow(this, 'startXRef', startXRef);
+ },
+ get mainXRefEntriesOffset() {
+ var mainXRefEntriesOffset = 0;
+ var linearization = this.linearization;
+ if (linearization)
+ mainXRefEntriesOffset = linearization.mainXRefEntriesOffset;
+ // shadow the prototype getter with a data property
+ return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset);
+ },
+ // Find the header, remove leading garbage and setup the stream
+ // starting from the header.
+ checkHeader: function pdfDocCheckHeader() {
+ var stream = this.stream;
+ stream.reset();
+ if (find(stream, '%PDF-', 1024)) {
+ // Found the header, trim off any garbage before it.
+ stream.moveStart();
+ return;
+ }
+ // May not be a PDF file, continue anyway.
+ },
+ setup: function pdfDocSetup(ownerPassword, userPassword) {
+ this.checkHeader();
+ this.xref = new XRef(this.stream,
+ this.startXRef,
+ this.mainXRefEntriesOffset);
+ this.catalog = new Catalog(this.xref);
+ },
+ get numPages() {
+ var linearization = this.linearization;
+ var num = linearization ? linearization.numPages : this.catalog.numPages;
+ // shadow the prototype getter
+ return shadow(this, 'numPages', num);
+ },
+ getPage: function pdfDocGetPage(n) {
+ return this.catalog.getPage(n);
+ }
+ };
+
+ return constructor;
+})();
+
+var PDFDoc = (function() {
+ function constructor(arg, callback) {
+ var stream = null;
+ var data = null;
+
+ if (isStream(arg)) {
+ stream = arg;
+ data = arg.bytes;
+ } else if (isArrayBuffer(arg)) {
+ stream = new Stream(arg);
+ data = arg;
+ } else {
+ error('PDFDoc: Unknown argument type');
+ }
+
+ this.data = data;
+ this.stream = stream;
+ this.pdf = new PDFDocModel(stream);
+
+ this.catalog = this.pdf.catalog;
+ this.objs = new PDFObjects();
+
+ this.pageCache = [];
+
+ if (useWorker) {
+ var worker = new Worker('../worker/pdf_worker_loader.js');
+ } else {
+ // If we don't use a worker, just post/sendMessage to the main thread.
+ var worker = {
+ postMessage: function(obj) {
+ worker.onmessage({data: obj});
+ },
+ terminate: function() {}
+ };
+ }
+ this.worker = worker;
+
+ this.fontsLoading = {};
+
+ var processorHandler = this.processorHandler =
+ new MessageHandler('main', worker);
+
+ processorHandler.on('page', function(data) {
+ var pageNum = data.pageNum;
+ var page = this.pageCache[pageNum];
+ var depFonts = data.depFonts;
+
+ page.startRenderingFromIRQueue(data.IRQueue, depFonts);
+ }, this);
+
+ processorHandler.on('obj', function(data) {
+ var id = data[0];
+ var type = data[1];
+
+ switch (type) {
+ case 'JpegStream':
+ var IR = data[2];
+ new JpegImage(id, IR, this.objs);
+ break;
+ case 'Font':
+ var name = data[2];
+ var file = data[3];
+ var properties = data[4];
+
+ if (file) {
+ var fontFileDict = new Dict();
+ fontFileDict.map = file.dict.map;
+
+ var fontFile = new Stream(file.bytes, file.start,
+ file.end - file.start, fontFileDict);
+
+ // Check if this is a FlateStream. Otherwise just use the created
+ // Stream one. This makes complex_ttf_font.pdf work.
+ var cmf = file.bytes[0];
+ if ((cmf & 0x0f) == 0x08) {
+ file = new FlateStream(fontFile);
+ } else {
+ file = fontFile;
+ }
+ }
+
+ // For now, resolve the font object here direclty. The real font
+ // object is then created in FontLoader.bind().
+ this.objs.resolve(id, {
+ name: name,
+ file: file,
+ properties: properties
+ });
+ break;
+ default:
+ throw 'Got unkown object type ' + type;
+ }
+ }, this);
+
+ processorHandler.on('font_ready', function(data) {
+ var id = data[0];
+ var font = new FontShape(data[1]);
+
+ // If there is no string, then there is nothing to attach to the DOM.
+ if (!font.str) {
+ this.objs.resolve(id, font);
+ } else {
+ this.objs.setData(id, font);
+ }
+ }.bind(this));
+
+ if (!useWorker) {
+ // If the main thread is our worker, setup the handling for the messages
+ // the main thread sends to it self.
+ WorkerProcessorHandler.setup(processorHandler);
+ }
+
+ this.workerReadyPromise = new Promise('workerReady');
+ setTimeout(function() {
+ processorHandler.send('doc', this.data);
+ this.workerReadyPromise.resolve(true);
+ }.bind(this));
+ }
+
+ constructor.prototype = {
+ get numPages() {
+ return this.pdf.numPages;
+ },
+
+ startRendering: function(page) {
+ // The worker might not be ready to receive the page request yet.
+ this.workerReadyPromise.then(function() {
+ this.processorHandler.send('page_request', page.pageNumber + 1);
+ }.bind(this));
+ },
+
+ getPage: function(n) {
+ if (this.pageCache[n])
+ return this.pageCache[n];
+
+ var page = this.pdf.getPage(n);
+ // Add a reference to the objects such that Page can forward the reference
+ // to the CanvasGraphics and so on.
+ page.objs = this.objs;
+ page.pdf = this;
+ return this.pageCache[n] = page;
+ },
+
+ destroy: function() {
+ if (this.worker)
+ this.worker.terminate();
+
+ if (this.fontWorker)
+ this.fontWorker.terminate();
+
+ for (var n in this.pageCache)
+ delete this.pageCache[n];
+
+ delete this.data;
+ delete this.stream;
+ delete this.pdf;
+ delete this.catalog;
+ }
+ };
+
+ return constructor;
+})();
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-'use strict';
+// // TODO: Global namespace
+// var PDF = {};
-var ERRORS = 0, WARNINGS = 1, TODOS = 5;
-var verbosity = WARNINGS;
+// Stay away from global
+(function(){
-// Set this to true if you want to use workers.
-var useWorker = false;
+ 'use strict';
-//
-// getPdf()
-// Convenience function to perform binary Ajax GET
-// Usage: getPdf('http://...', callback)
-// getPdf({
-// url:String ,
-// [,progress:Function, error:Function]
-// },
-// callback)
-//
-function getPdf(arg, callback) {
- var params = arg;
- if (typeof arg === 'string')
- params = { url: arg };
+ // All files will be inserted below this point
+ // INSERT_POINT
- var xhr = new XMLHttpRequest();
- xhr.open('GET', params.url);
- xhr.mozResponseType = xhr.responseType = 'arraybuffer';
- xhr.expected = (document.URL.indexOf('file:') === 0) ? 0 : 200;
+ //
+ // Expose API in global object
+ //
+ window.PDFDoc = PDFDoc;
+ window.getPdf = getPdf;
- if ('progress' in params)
- xhr.onprogress = params.progress || undefined;
-
- if ('error' in params)
- xhr.onerror = params.error || undefined;
-
- xhr.onreadystatechange = function getPdfOnreadystatechange() {
- if (xhr.readyState === 4 && xhr.status === xhr.expected) {
- var data = (xhr.mozResponseArrayBuffer || xhr.mozResponse ||
- xhr.responseArrayBuffer || xhr.response);
- callback(data);
- }
- };
- xhr.send(null);
-}
-
-var Page = (function pagePage() {
- function constructor(xref, pageNumber, pageDict, ref) {
- this.pageNumber = pageNumber;
- this.pageDict = pageDict;
- this.stats = {
- create: Date.now(),
- compile: 0.0,
- fonts: 0.0,
- images: 0.0,
- render: 0.0
- };
- this.xref = xref;
- this.ref = ref;
- }
-
- constructor.prototype = {
- getPageProp: function pageGetPageProp(key) {
- return this.xref.fetchIfRef(this.pageDict.get(key));
- },
- inheritPageProp: function pageInheritPageProp(key) {
- var dict = this.pageDict;
- var obj = dict.get(key);
- while (obj === undefined) {
- dict = this.xref.fetchIfRef(dict.get('Parent'));
- if (!dict)
- break;
- obj = dict.get(key);
- }
- return obj;
- },
- get content() {
- return shadow(this, 'content', this.getPageProp('Contents'));
- },
- get resources() {
- return shadow(this, 'resources', this.inheritPageProp('Resources'));
- },
- get mediaBox() {
- var obj = this.inheritPageProp('MediaBox');
- // Reset invalid media box to letter size.
- if (!isArray(obj) || obj.length !== 4)
- obj = [0, 0, 612, 792];
- return shadow(this, 'mediaBox', obj);
- },
- get view() {
- var obj = this.inheritPageProp('CropBox');
- var view = {
- x: 0,
- y: 0,
- width: this.width,
- height: this.height
- };
- if (isArray(obj) && obj.length == 4) {
- var tl = this.rotatePoint(obj[0], obj[1]);
- var br = this.rotatePoint(obj[2], obj[3]);
- view.x = Math.min(tl.x, br.x);
- view.y = Math.min(tl.y, br.y);
- view.width = Math.abs(tl.x - br.x);
- view.height = Math.abs(tl.y - br.y);
- }
-
- return shadow(this, 'cropBox', view);
- },
- get annotations() {
- return shadow(this, 'annotations', this.inheritPageProp('Annots'));
- },
- get width() {
- var mediaBox = this.mediaBox;
- var rotate = this.rotate;
- var width;
- if (rotate == 0 || rotate == 180) {
- width = (mediaBox[2] - mediaBox[0]);
- } else {
- width = (mediaBox[3] - mediaBox[1]);
- }
- return shadow(this, 'width', width);
- },
- get height() {
- var mediaBox = this.mediaBox;
- var rotate = this.rotate;
- var height;
- if (rotate == 0 || rotate == 180) {
- height = (mediaBox[3] - mediaBox[1]);
- } else {
- height = (mediaBox[2] - mediaBox[0]);
- }
- return shadow(this, 'height', height);
- },
- get rotate() {
- var rotate = this.inheritPageProp('Rotate') || 0;
- // Normalize rotation so it's a multiple of 90 and between 0 and 270
- if (rotate % 90 != 0) {
- rotate = 0;
- } else if (rotate >= 360) {
- rotate = rotate % 360;
- } else if (rotate < 0) {
- // The spec doesn't cover negatives, assume its counterclockwise
- // rotation. The following is the other implementation of modulo.
- rotate = ((rotate % 360) + 360) % 360;
- }
- return shadow(this, 'rotate', rotate);
- },
-
- startRenderingFromIRQueue: function startRenderingFromIRQueue(
- IRQueue, fonts) {
- var self = this;
- this.IRQueue = IRQueue;
- var gfx = new CanvasGraphics(this.ctx, this.objs);
- var startTime = Date.now();
-
- var displayContinuation = function pageDisplayContinuation() {
- // Always defer call to display() to work around bug in
- // Firefox error reporting from XHR callbacks.
- setTimeout(function pageSetTimeout() {
- try {
- self.display(gfx, self.callback);
- } catch (e) {
- if (self.callback) self.callback(e.toString());
- throw e;
- }
- });
- };
-
- this.ensureFonts(fonts, function() {
- displayContinuation();
- });
- },
-
- getIRQueue: function(handler, dependency) {
- if (this.IRQueue) {
- // content was compiled
- return this.IRQueue;
- }
-
- var xref = this.xref;
- var content = xref.fetchIfRef(this.content);
- var resources = xref.fetchIfRef(this.resources);
- if (isArray(content)) {
- // fetching items
- var i, n = content.length;
- for (i = 0; i < n; ++i)
- content[i] = xref.fetchIfRef(content[i]);
- content = new StreamsSequenceStream(content);
- }
-
- var pe = this.pe = new PartialEvaluator(
- xref, handler, 'p' + this.pageNumber + '_');
- var IRQueue = {};
- return this.IRQueue = pe.getIRQueue(
- content, resources, IRQueue, dependency);
- },
-
- ensureFonts: function(fonts, callback) {
- // Convert the font names to the corresponding font obj.
- for (var i = 0; i < fonts.length; i++) {
- fonts[i] = this.objs.objs[fonts[i]].data;
- }
-
- // Load all the fonts
- var fontObjs = FontLoader.bind(
- fonts,
- function(fontObjs) {
- this.stats.fonts = Date.now();
-
- callback.call(this);
- }.bind(this),
- this.objs
- );
- },
-
- display: function(gfx, callback) {
- var xref = this.xref;
- var resources = xref.fetchIfRef(this.resources);
- var mediaBox = xref.fetchIfRef(this.mediaBox);
- assertWellFormed(isDict(resources), 'invalid page resources');
-
- gfx.xref = xref;
- gfx.res = resources;
- gfx.beginDrawing({ x: mediaBox[0], y: mediaBox[1],
- width: this.width,
- height: this.height,
- rotate: this.rotate });
-
- var startIdx = 0;
- var length = this.IRQueue.fnArray.length;
- var IRQueue = this.IRQueue;
-
- var self = this;
- var startTime = Date.now();
- function next() {
- startIdx = gfx.executeIRQueue(IRQueue, startIdx, next);
- if (startIdx == length) {
- self.stats.render = Date.now();
- if (callback) callback();
- }
- }
- next();
- },
- rotatePoint: function pageRotatePoint(x, y, reverse) {
- var rotate = reverse ? (360 - this.rotate) : this.rotate;
- switch (rotate) {
- case 180:
- return {x: this.width - x, y: y};
- case 90:
- return {x: this.width - y, y: this.height - x};
- case 270:
- return {x: y, y: x};
- case 360:
- case 0:
- default:
- return {x: x, y: this.height - y};
- }
- },
- getLinks: function pageGetLinks() {
- var xref = this.xref;
- var annotations = xref.fetchIfRef(this.annotations) || [];
- var i, n = annotations.length;
- var links = [];
- for (i = 0; i < n; ++i) {
- var annotation = xref.fetch(annotations[i]);
- if (!isDict(annotation))
- continue;
- var subtype = annotation.get('Subtype');
- if (!isName(subtype) || subtype.name != 'Link')
- continue;
- var rect = annotation.get('Rect');
- var topLeftCorner = this.rotatePoint(rect[0], rect[1]);
- var bottomRightCorner = this.rotatePoint(rect[2], rect[3]);
-
- var link = {};
- link.x = Math.min(topLeftCorner.x, bottomRightCorner.x);
- link.y = Math.min(topLeftCorner.y, bottomRightCorner.y);
- link.width = Math.abs(topLeftCorner.x - bottomRightCorner.x);
- link.height = Math.abs(topLeftCorner.y - bottomRightCorner.y);
- var a = this.xref.fetchIfRef(annotation.get('A'));
- if (a) {
- switch (a.get('S').name) {
- case 'URI':
- link.url = a.get('URI');
- break;
- case 'GoTo':
- link.dest = a.get('D');
- break;
- default:
- TODO('other link types');
- }
- } else if (annotation.has('Dest')) {
- // simple destination link
- var dest = annotation.get('Dest');
- link.dest = isName(dest) ? dest.name : dest;
- }
- links.push(link);
- }
- return links;
- },
- startRendering: function(ctx, callback) {
- this.ctx = ctx;
- this.callback = callback;
-
- this.startRenderingTime = Date.now();
- this.pdf.startRendering(this);
- }
- };
-
- return constructor;
-})();
-
-/**
- * The `PDFDocModel` holds all the data of the PDF file. Compared to the
- * `PDFDoc`, this one doesn't have any job management code.
- * Right now there exists one PDFDocModel on the main thread + one object
- * for each worker. If there is no worker support enabled, there are two
- * `PDFDocModel` objects on the main thread created.
- * TODO: Refactor the internal object structure, such that there is no
- * need for the `PDFDocModel` anymore and there is only one object on the
- * main thread and not one entire copy on each worker instance.
- */
-var PDFDocModel = (function pdfDoc() {
- function constructor(arg, callback) {
- if (isStream(arg))
- init.call(this, arg);
- else if (isArrayBuffer(arg))
- init.call(this, new Stream(arg));
- else
- error('PDFDocModel: Unknown argument type');
- }
-
- function init(stream) {
- assertWellFormed(stream.length > 0, 'stream must have data');
- this.stream = stream;
- this.setup();
- }
-
- function find(stream, needle, limit, backwards) {
- var pos = stream.pos;
- var end = stream.end;
- var str = '';
- if (pos + limit > end)
- limit = end - pos;
- for (var n = 0; n < limit; ++n)
- str += stream.getChar();
- stream.pos = pos;
- var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle);
- if (index == -1)
- return false; /* not found */
- stream.pos += index;
- return true; /* found */
- }
-
- constructor.prototype = {
- get linearization() {
- var length = this.stream.length;
- var linearization = false;
- if (length) {
- linearization = new Linearization(this.stream);
- if (linearization.length != length)
- linearization = false;
- }
- // shadow the prototype getter with a data property
- return shadow(this, 'linearization', linearization);
- },
- get startXRef() {
- var stream = this.stream;
- var startXRef = 0;
- var linearization = this.linearization;
- if (linearization) {
- // Find end of first obj.
- stream.reset();
- if (find(stream, 'endobj', 1024))
- startXRef = stream.pos + 6;
- } else {
- // Find startxref at the end of the file.
- var start = stream.end - 1024;
- if (start < 0)
- start = 0;
- stream.pos = start;
- if (find(stream, 'startxref', 1024, true)) {
- stream.skip(9);
- var ch;
- do {
- ch = stream.getChar();
- } while (Lexer.isSpace(ch));
- var str = '';
- while ((ch - '0') <= 9) {
- str += ch;
- ch = stream.getChar();
- }
- startXRef = parseInt(str, 10);
- if (isNaN(startXRef))
- startXRef = 0;
- }
- }
- // shadow the prototype getter with a data property
- return shadow(this, 'startXRef', startXRef);
- },
- get mainXRefEntriesOffset() {
- var mainXRefEntriesOffset = 0;
- var linearization = this.linearization;
- if (linearization)
- mainXRefEntriesOffset = linearization.mainXRefEntriesOffset;
- // shadow the prototype getter with a data property
- return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset);
- },
- // Find the header, remove leading garbage and setup the stream
- // starting from the header.
- checkHeader: function pdfDocCheckHeader() {
- var stream = this.stream;
- stream.reset();
- if (find(stream, '%PDF-', 1024)) {
- // Found the header, trim off any garbage before it.
- stream.moveStart();
- return;
- }
- // May not be a PDF file, continue anyway.
- },
- setup: function pdfDocSetup(ownerPassword, userPassword) {
- this.checkHeader();
- this.xref = new XRef(this.stream,
- this.startXRef,
- this.mainXRefEntriesOffset);
- this.catalog = new Catalog(this.xref);
- },
- get numPages() {
- var linearization = this.linearization;
- var num = linearization ? linearization.numPages : this.catalog.numPages;
- // shadow the prototype getter
- return shadow(this, 'numPages', num);
- },
- getPage: function pdfDocGetPage(n) {
- return this.catalog.getPage(n);
- }
- };
-
- return constructor;
-})();
-
-var PDFDoc = (function() {
- function constructor(arg, callback) {
- var stream = null;
- var data = null;
-
- if (isStream(arg)) {
- stream = arg;
- data = arg.bytes;
- } else if (isArrayBuffer(arg)) {
- stream = new Stream(arg);
- data = arg;
- } else {
- error('PDFDoc: Unknown argument type');
- }
-
- this.data = data;
- this.stream = stream;
- this.pdf = new PDFDocModel(stream);
-
- this.catalog = this.pdf.catalog;
- this.objs = new PDFObjects();
-
- this.pageCache = [];
-
- if (useWorker) {
- var worker = new Worker('../worker/pdf_worker_loader.js');
- } else {
- // If we don't use a worker, just post/sendMessage to the main thread.
- var worker = {
- postMessage: function(obj) {
- worker.onmessage({data: obj});
- },
- terminate: function() {}
- };
- }
- this.worker = worker;
-
- this.fontsLoading = {};
-
- var processorHandler = this.processorHandler =
- new MessageHandler('main', worker);
-
- processorHandler.on('page', function(data) {
- var pageNum = data.pageNum;
- var page = this.pageCache[pageNum];
- var depFonts = data.depFonts;
-
- page.startRenderingFromIRQueue(data.IRQueue, depFonts);
- }, this);
-
- processorHandler.on('obj', function(data) {
- var id = data[0];
- var type = data[1];
-
- switch (type) {
- case 'JpegStream':
- var IR = data[2];
- new JpegImage(id, IR, this.objs);
- break;
- case 'Font':
- var name = data[2];
- var file = data[3];
- var properties = data[4];
-
- if (file) {
- var fontFileDict = new Dict();
- fontFileDict.map = file.dict.map;
-
- var fontFile = new Stream(file.bytes, file.start,
- file.end - file.start, fontFileDict);
-
- // Check if this is a FlateStream. Otherwise just use the created
- // Stream one. This makes complex_ttf_font.pdf work.
- var cmf = file.bytes[0];
- if ((cmf & 0x0f) == 0x08) {
- file = new FlateStream(fontFile);
- } else {
- file = fontFile;
- }
- }
-
- // For now, resolve the font object here direclty. The real font
- // object is then created in FontLoader.bind().
- this.objs.resolve(id, {
- name: name,
- file: file,
- properties: properties
- });
- break;
- default:
- throw 'Got unkown object type ' + type;
- }
- }, this);
-
- processorHandler.on('font_ready', function(data) {
- var id = data[0];
- var font = new FontShape(data[1]);
-
- // If there is no string, then there is nothing to attach to the DOM.
- if (!font.str) {
- this.objs.resolve(id, font);
- } else {
- this.objs.setData(id, font);
- }
- }.bind(this));
-
- if (!useWorker) {
- // If the main thread is our worker, setup the handling for the messages
- // the main thread sends to it self.
- WorkerProcessorHandler.setup(processorHandler);
- }
-
- this.workerReadyPromise = new Promise('workerReady');
- setTimeout(function() {
- processorHandler.send('doc', this.data);
- this.workerReadyPromise.resolve(true);
- }.bind(this));
- }
-
- constructor.prototype = {
- get numPages() {
- return this.pdf.numPages;
- },
-
- startRendering: function(page) {
- // The worker might not be ready to receive the page request yet.
- this.workerReadyPromise.then(function() {
- this.processorHandler.send('page_request', page.pageNumber + 1);
- }.bind(this));
- },
-
- getPage: function(n) {
- if (this.pageCache[n])
- return this.pageCache[n];
-
- var page = this.pdf.getPage(n);
- // Add a reference to the objects such that Page can forward the reference
- // to the CanvasGraphics and so on.
- page.objs = this.objs;
- page.pdf = this;
- return this.pageCache[n] = page;
- },
-
- destroy: function() {
- if (this.worker)
- this.worker.terminate();
-
- if (this.fontWorker)
- this.fontWorker.terminate();
-
- for (var n in this.pageCache)
- delete this.pageCache[n];
-
- delete this.data;
- delete this.stream;
- delete this.pdf;
- delete this.catalog;
- }
- };
-
- return constructor;
-})();
+})(); // self-executing function
--- /dev/null
+#!/usr/bin/env python
+# Python port of Ian Piumarta's watch.c
+# BSD Licensed - http://eschew.org/txt/bsd.txt
+
+import re
+import os
+import sys
+import time
+import string
+import subprocess
+
+maxfiles = 64
+
+def usage():
+ return """usage: %(watch)s <paths...> - <commands...>
+ <paths...> is/are the file/s to be monitored
+ <commands...> is/are the commands to execute (quote if args required)
+ Note: occurrences of '${file}' in command strings will be replaced
+ with updated filename before execution.
+ e.g.: %(watch)s *.txt - 'echo ${file}'
+""" % { 'watch': sys.argv[0] }
+
+def try_get_mtime(path):
+ try:
+ buf = os.stat(path)
+ except OSError:
+ time.sleep(1)
+ try:
+ buf = os.stat(path)
+ except OSError:
+ print "%(watch)s: %(file)s: file not found"
+ sys.exit(1)
+ return buf.st_mtime
+
+def execute_commands(commands, filename):
+ for command in commands:
+ cmd = string.Template(command).safe_substitute(file=filename)
+ cmd_pieces = re.split('\s+', cmd)
+ subprocess.Popen(cmd_pieces)
+
+def main():
+ files = []
+ commands = []
+ seeing_paths = True
+ for part in sys.argv[1:]:
+ if part == '-':
+ seeing_paths = False
+ elif seeing_paths:
+ files.append(part)
+ else:
+ commands.append(part)
+
+ if len(commands) == 0:
+ print usage()
+ sys.exit(1)
+
+ if len(files) > maxfiles:
+ print "%(watch)s: too many files to watch" % sys.argv[0]
+
+ mtimes = dict([(f, try_get_mtime(f)) for f in files])
+ done = False
+ while not done:
+ for f in files:
+ old_mtime = mtimes[f]
+ new_mtime = try_get_mtime(f)
+ if new_mtime != old_mtime:
+ mtimes[f] = new_mtime
+ execute_commands(commands, f)
+ time.sleep(1)
+
+if __name__ == '__main__':
+ try:
+ main()
+ except KeyboardInterrupt:
+ sys.exit(0)
+
+
<script type="text/javascript" src="compatibility.js"></script>
<script type="text/javascript" src="viewer.js"></script>
- <script type="text/javascript" src="../src/pdf.js"></script>
- <script type="text/javascript" src="../src/util.js"></script>
- <script type="text/javascript" src="../src/canvas.js"></script>
- <script type="text/javascript" src="../src/function.js"></script>
- <script type="text/javascript" src="../src/colorspace.js"></script>
- <script type="text/javascript" src="../src/image.js"></script>
- <script type="text/javascript" src="../src/pattern.js"></script>
- <script type="text/javascript" src="../src/obj.js"></script>
- <script type="text/javascript" src="../src/parser.js"></script>
- <script type="text/javascript" src="../src/evaluator.js"></script>
- <script type="text/javascript" src="../src/stream.js"></script>
- <script type="text/javascript" src="../src/fonts.js"></script>
- <script type="text/javascript" src="../src/crypto.js"></script>
- <script type="text/javascript" src="../src/glyphlist.js"></script>
- <script type="text/javascript" src="../src/metrics.js"></script>
- <script type="text/javascript" src="../src/charsets.js"></script>
- <script type="text/javascript" src="../src/cidmaps.js"></script>
- <script type="text/javascript" src="../src/worker/message_handler.js"></script>
- <script type="text/javascript" src="../src/worker/processor_handler.js"></script>
+ <script type="text/javascript" src="../pdf.js"></script>
</head>
<body>
projects / pdf.js.git / commitdiff