Merge branch 'master' of git://github.com/mozilla/pdf.js into text-select
Conflicts: src/canvas.js web/viewer.js
This commit is contained in:
commit
4cfc552163
1
Makefile
1
Makefile
@ -33,6 +33,7 @@ PDF_JS_FILES = \
|
||||
pattern.js \
|
||||
stream.js \
|
||||
worker.js \
|
||||
../external/jpgjs/jpg.js \
|
||||
$(NULL)
|
||||
|
||||
# make server
|
||||
|
@ -22,6 +22,7 @@
|
||||
<script type="text/javascript" src="../../src/pattern.js"></script>
|
||||
<script type="text/javascript" src="../../src/stream.js"></script>
|
||||
<script type="text/javascript" src="../../src/worker.js"></script>
|
||||
<script type="text/javascript" src="../../external/jpgjs/jpg.js"></script>
|
||||
|
||||
<script type="text/javascript">
|
||||
// Specify the main script used to create a new PDF.JS web worker.
|
||||
|
20
external/jasmine/MIT.LICENSE
vendored
Normal file
20
external/jasmine/MIT.LICENSE
vendored
Normal file
@ -0,0 +1,20 @@
|
||||
Copyright (c) 2008-2011 Pivotal Labs
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
"Software"), to deal in the Software without restriction, including
|
||||
without limitation the rights to use, copy, modify, merge, publish,
|
||||
distribute, sublicense, and/or sell copies of the Software, and to
|
||||
permit persons to whom the Software is furnished to do so, subject to
|
||||
the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be
|
||||
included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
676
external/jasmine/jasmine-html.js
vendored
Normal file
676
external/jasmine/jasmine-html.js
vendored
Normal file
@ -0,0 +1,676 @@
|
||||
jasmine.HtmlReporterHelpers = {};
|
||||
|
||||
jasmine.HtmlReporterHelpers.createDom = function(type, attrs, childrenVarArgs) {
|
||||
var el = document.createElement(type);
|
||||
|
||||
for (var i = 2; i < arguments.length; i++) {
|
||||
var child = arguments[i];
|
||||
|
||||
if (typeof child === 'string') {
|
||||
el.appendChild(document.createTextNode(child));
|
||||
} else {
|
||||
if (child) {
|
||||
el.appendChild(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (var attr in attrs) {
|
||||
if (attr == "className") {
|
||||
el[attr] = attrs[attr];
|
||||
} else {
|
||||
el.setAttribute(attr, attrs[attr]);
|
||||
}
|
||||
}
|
||||
|
||||
return el;
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.getSpecStatus = function(child) {
|
||||
var results = child.results();
|
||||
var status = results.passed() ? 'passed' : 'failed';
|
||||
if (results.skipped) {
|
||||
status = 'skipped';
|
||||
}
|
||||
|
||||
return status;
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.appendToSummary = function(child, childElement) {
|
||||
var parentDiv = this.dom.summary;
|
||||
var parentSuite = (typeof child.parentSuite == 'undefined') ? 'suite' : 'parentSuite';
|
||||
var parent = child[parentSuite];
|
||||
|
||||
if (parent) {
|
||||
if (typeof this.views.suites[parent.id] == 'undefined') {
|
||||
this.views.suites[parent.id] = new jasmine.HtmlReporter.SuiteView(parent, this.dom, this.views);
|
||||
}
|
||||
parentDiv = this.views.suites[parent.id].element;
|
||||
}
|
||||
|
||||
parentDiv.appendChild(childElement);
|
||||
};
|
||||
|
||||
|
||||
jasmine.HtmlReporterHelpers.addHelpers = function(ctor) {
|
||||
for(var fn in jasmine.HtmlReporterHelpers) {
|
||||
ctor.prototype[fn] = jasmine.HtmlReporterHelpers[fn];
|
||||
}
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter = function(_doc) {
|
||||
var self = this;
|
||||
var doc = _doc || window.document;
|
||||
|
||||
var reporterView;
|
||||
|
||||
var dom = {};
|
||||
|
||||
// Jasmine Reporter Public Interface
|
||||
self.logRunningSpecs = false;
|
||||
|
||||
self.reportRunnerStarting = function(runner) {
|
||||
var specs = runner.specs() || [];
|
||||
|
||||
if (specs.length == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
createReporterDom(runner.env.versionString());
|
||||
doc.body.appendChild(dom.reporter);
|
||||
|
||||
reporterView = new jasmine.HtmlReporter.ReporterView(dom);
|
||||
reporterView.addSpecs(specs, self.specFilter);
|
||||
};
|
||||
|
||||
self.reportRunnerResults = function(runner) {
|
||||
reporterView.complete();
|
||||
};
|
||||
|
||||
self.reportSuiteResults = function(suite) {
|
||||
reporterView.suiteComplete(suite);
|
||||
};
|
||||
|
||||
self.reportSpecStarting = function(spec) {
|
||||
if (self.logRunningSpecs) {
|
||||
self.log('>> Jasmine Running ' + spec.suite.description + ' ' + spec.description + '...');
|
||||
}
|
||||
};
|
||||
|
||||
self.reportSpecResults = function(spec) {
|
||||
reporterView.specComplete(spec);
|
||||
};
|
||||
|
||||
self.log = function() {
|
||||
var console = jasmine.getGlobal().console;
|
||||
if (console && console.log) {
|
||||
if (console.log.apply) {
|
||||
console.log.apply(console, arguments);
|
||||
} else {
|
||||
console.log(arguments); // ie fix: console.log.apply doesn't exist on ie
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
self.specFilter = function(spec) {
|
||||
if (!focusedSpecName()) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return spec.getFullName().indexOf(focusedSpecName()) === 0;
|
||||
};
|
||||
|
||||
return self;
|
||||
|
||||
function focusedSpecName() {
|
||||
var specName;
|
||||
|
||||
(function memoizeFocusedSpec() {
|
||||
if (specName) {
|
||||
return;
|
||||
}
|
||||
|
||||
var paramMap = [];
|
||||
var params = doc.location.search.substring(1).split('&');
|
||||
|
||||
for (var i = 0; i < params.length; i++) {
|
||||
var p = params[i].split('=');
|
||||
paramMap[decodeURIComponent(p[0])] = decodeURIComponent(p[1]);
|
||||
}
|
||||
|
||||
specName = paramMap.spec;
|
||||
})();
|
||||
|
||||
return specName;
|
||||
}
|
||||
|
||||
function createReporterDom(version) {
|
||||
dom.reporter = self.createDom('div', { id: 'HTMLReporter', className: 'jasmine_reporter' },
|
||||
dom.banner = self.createDom('div', { className: 'banner' },
|
||||
self.createDom('span', { className: 'title' }, "Jasmine "),
|
||||
self.createDom('span', { className: 'version' }, version)),
|
||||
|
||||
dom.symbolSummary = self.createDom('ul', {className: 'symbolSummary'}),
|
||||
dom.alert = self.createDom('div', {className: 'alert'}),
|
||||
dom.results = self.createDom('div', {className: 'results'},
|
||||
dom.summary = self.createDom('div', { className: 'summary' }),
|
||||
dom.details = self.createDom('div', { id: 'details' }))
|
||||
);
|
||||
}
|
||||
};
|
||||
jasmine.HtmlReporterHelpers.addHelpers(jasmine.HtmlReporter);jasmine.HtmlReporterHelpers = {};
|
||||
|
||||
jasmine.HtmlReporterHelpers.createDom = function(type, attrs, childrenVarArgs) {
|
||||
var el = document.createElement(type);
|
||||
|
||||
for (var i = 2; i < arguments.length; i++) {
|
||||
var child = arguments[i];
|
||||
|
||||
if (typeof child === 'string') {
|
||||
el.appendChild(document.createTextNode(child));
|
||||
} else {
|
||||
if (child) {
|
||||
el.appendChild(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (var attr in attrs) {
|
||||
if (attr == "className") {
|
||||
el[attr] = attrs[attr];
|
||||
} else {
|
||||
el.setAttribute(attr, attrs[attr]);
|
||||
}
|
||||
}
|
||||
|
||||
return el;
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.getSpecStatus = function(child) {
|
||||
var results = child.results();
|
||||
var status = results.passed() ? 'passed' : 'failed';
|
||||
if (results.skipped) {
|
||||
status = 'skipped';
|
||||
}
|
||||
|
||||
return status;
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.appendToSummary = function(child, childElement) {
|
||||
var parentDiv = this.dom.summary;
|
||||
var parentSuite = (typeof child.parentSuite == 'undefined') ? 'suite' : 'parentSuite';
|
||||
var parent = child[parentSuite];
|
||||
|
||||
if (parent) {
|
||||
if (typeof this.views.suites[parent.id] == 'undefined') {
|
||||
this.views.suites[parent.id] = new jasmine.HtmlReporter.SuiteView(parent, this.dom, this.views);
|
||||
}
|
||||
parentDiv = this.views.suites[parent.id].element;
|
||||
}
|
||||
|
||||
parentDiv.appendChild(childElement);
|
||||
};
|
||||
|
||||
|
||||
jasmine.HtmlReporterHelpers.addHelpers = function(ctor) {
|
||||
for(var fn in jasmine.HtmlReporterHelpers) {
|
||||
ctor.prototype[fn] = jasmine.HtmlReporterHelpers[fn];
|
||||
}
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.ReporterView = function(dom) {
|
||||
this.startedAt = new Date();
|
||||
this.runningSpecCount = 0;
|
||||
this.completeSpecCount = 0;
|
||||
this.passedCount = 0;
|
||||
this.failedCount = 0;
|
||||
this.skippedCount = 0;
|
||||
|
||||
this.createResultsMenu = function() {
|
||||
this.resultsMenu = this.createDom('span', {className: 'resultsMenu bar'},
|
||||
this.summaryMenuItem = this.createDom('a', {className: 'summaryMenuItem', href: "#"}, '0 specs'),
|
||||
' | ',
|
||||
this.detailsMenuItem = this.createDom('a', {className: 'detailsMenuItem', href: "#"}, '0 failing'));
|
||||
|
||||
this.summaryMenuItem.onclick = function() {
|
||||
dom.reporter.className = dom.reporter.className.replace(/ showDetails/g, '');
|
||||
};
|
||||
|
||||
this.detailsMenuItem.onclick = function() {
|
||||
showDetails();
|
||||
};
|
||||
};
|
||||
|
||||
this.addSpecs = function(specs, specFilter) {
|
||||
this.totalSpecCount = specs.length;
|
||||
|
||||
this.views = {
|
||||
specs: {},
|
||||
suites: {}
|
||||
};
|
||||
|
||||
for (var i = 0; i < specs.length; i++) {
|
||||
var spec = specs[i];
|
||||
this.views.specs[spec.id] = new jasmine.HtmlReporter.SpecView(spec, dom, this.views);
|
||||
if (specFilter(spec)) {
|
||||
this.runningSpecCount++;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
this.specComplete = function(spec) {
|
||||
this.completeSpecCount++;
|
||||
|
||||
if (isUndefined(this.views.specs[spec.id])) {
|
||||
this.views.specs[spec.id] = new jasmine.HtmlReporter.SpecView(spec, dom);
|
||||
}
|
||||
|
||||
var specView = this.views.specs[spec.id];
|
||||
|
||||
switch (specView.status()) {
|
||||
case 'passed':
|
||||
this.passedCount++;
|
||||
break;
|
||||
|
||||
case 'failed':
|
||||
this.failedCount++;
|
||||
break;
|
||||
|
||||
case 'skipped':
|
||||
this.skippedCount++;
|
||||
break;
|
||||
}
|
||||
|
||||
specView.refresh();
|
||||
this.refresh();
|
||||
};
|
||||
|
||||
this.suiteComplete = function(suite) {
|
||||
var suiteView = this.views.suites[suite.id];
|
||||
if (isUndefined(suiteView)) {
|
||||
return;
|
||||
}
|
||||
suiteView.refresh();
|
||||
};
|
||||
|
||||
this.refresh = function() {
|
||||
|
||||
if (isUndefined(this.resultsMenu)) {
|
||||
this.createResultsMenu();
|
||||
}
|
||||
|
||||
// currently running UI
|
||||
if (isUndefined(this.runningAlert)) {
|
||||
this.runningAlert = this.createDom('a', {href: "?", className: "runningAlert bar"});
|
||||
dom.alert.appendChild(this.runningAlert);
|
||||
}
|
||||
this.runningAlert.innerHTML = "Running " + this.completeSpecCount + " of " + specPluralizedFor(this.totalSpecCount);
|
||||
|
||||
// skipped specs UI
|
||||
if (isUndefined(this.skippedAlert)) {
|
||||
this.skippedAlert = this.createDom('a', {href: "?", className: "skippedAlert bar"});
|
||||
}
|
||||
|
||||
this.skippedAlert.innerHTML = "Skipping " + this.skippedCount + " of " + specPluralizedFor(this.totalSpecCount) + " - run all";
|
||||
|
||||
if (this.skippedCount === 1 && isDefined(dom.alert)) {
|
||||
dom.alert.appendChild(this.skippedAlert);
|
||||
}
|
||||
|
||||
// passing specs UI
|
||||
if (isUndefined(this.passedAlert)) {
|
||||
this.passedAlert = this.createDom('span', {href: "?", className: "passingAlert bar"});
|
||||
}
|
||||
this.passedAlert.innerHTML = "Passing " + specPluralizedFor(this.passedCount);
|
||||
|
||||
// failing specs UI
|
||||
if (isUndefined(this.failedAlert)) {
|
||||
this.failedAlert = this.createDom('span', {href: "?", className: "failingAlert bar"});
|
||||
}
|
||||
this.failedAlert.innerHTML = "Failing " + specPluralizedFor(this.failedCount);
|
||||
|
||||
if (this.failedCount === 1 && isDefined(dom.alert)) {
|
||||
dom.alert.appendChild(this.failedAlert);
|
||||
dom.alert.appendChild(this.resultsMenu);
|
||||
}
|
||||
|
||||
// summary info
|
||||
this.summaryMenuItem.innerHTML = "" + specPluralizedFor(this.runningSpecCount);
|
||||
this.detailsMenuItem.innerHTML = "" + this.failedCount + " failing";
|
||||
};
|
||||
|
||||
this.complete = function() {
|
||||
dom.alert.removeChild(this.runningAlert);
|
||||
|
||||
this.skippedAlert.innerHTML = "Ran " + this.runningSpecCount + " of " + specPluralizedFor(this.totalSpecCount) + " - run all";
|
||||
|
||||
if (this.failedCount === 0) {
|
||||
dom.alert.appendChild(this.createDom('span', {className: 'passingAlert bar'}, "Passing " + specPluralizedFor(this.passedCount)));
|
||||
} else {
|
||||
showDetails();
|
||||
}
|
||||
|
||||
dom.banner.appendChild(this.createDom('span', {className: 'duration'}, "finished in " + ((new Date().getTime() - this.startedAt.getTime()) / 1000) + "s"));
|
||||
};
|
||||
|
||||
return this;
|
||||
|
||||
function showDetails() {
|
||||
if (dom.reporter.className.search(/showDetails/) === -1) {
|
||||
dom.reporter.className += " showDetails";
|
||||
}
|
||||
}
|
||||
|
||||
function isUndefined(obj) {
|
||||
return typeof obj === 'undefined';
|
||||
}
|
||||
|
||||
function isDefined(obj) {
|
||||
return !isUndefined(obj);
|
||||
}
|
||||
|
||||
function specPluralizedFor(count) {
|
||||
var str = count + " spec";
|
||||
if (count > 1) {
|
||||
str += "s"
|
||||
}
|
||||
return str;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.addHelpers(jasmine.HtmlReporter.ReporterView);
|
||||
|
||||
|
||||
jasmine.HtmlReporter.SpecView = function(spec, dom, views) {
|
||||
this.spec = spec;
|
||||
this.dom = dom;
|
||||
this.views = views;
|
||||
|
||||
this.symbol = this.createDom('li', { className: 'pending' });
|
||||
this.dom.symbolSummary.appendChild(this.symbol);
|
||||
|
||||
this.summary = this.createDom('div', { className: 'specSummary' },
|
||||
this.createDom('a', {
|
||||
className: 'description',
|
||||
href: '?spec=' + encodeURIComponent(this.spec.getFullName()),
|
||||
title: this.spec.getFullName()
|
||||
}, this.spec.description)
|
||||
);
|
||||
|
||||
this.detail = this.createDom('div', { className: 'specDetail' },
|
||||
this.createDom('a', {
|
||||
className: 'description',
|
||||
href: '?spec=' + encodeURIComponent(this.spec.getFullName()),
|
||||
title: this.spec.getFullName()
|
||||
}, this.spec.getFullName())
|
||||
);
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.SpecView.prototype.status = function() {
|
||||
return this.getSpecStatus(this.spec);
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.SpecView.prototype.refresh = function() {
|
||||
this.symbol.className = this.status();
|
||||
|
||||
switch (this.status()) {
|
||||
case 'skipped':
|
||||
break;
|
||||
|
||||
case 'passed':
|
||||
this.appendSummaryToSuiteDiv();
|
||||
break;
|
||||
|
||||
case 'failed':
|
||||
this.appendSummaryToSuiteDiv();
|
||||
this.appendFailureDetail();
|
||||
break;
|
||||
}
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.SpecView.prototype.appendSummaryToSuiteDiv = function() {
|
||||
this.summary.className += ' ' + this.status();
|
||||
this.appendToSummary(this.spec, this.summary);
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.SpecView.prototype.appendFailureDetail = function() {
|
||||
this.detail.className += ' ' + this.status();
|
||||
|
||||
var resultItems = this.spec.results().getItems();
|
||||
var messagesDiv = this.createDom('div', { className: 'messages' });
|
||||
|
||||
for (var i = 0; i < resultItems.length; i++) {
|
||||
var result = resultItems[i];
|
||||
|
||||
if (result.type == 'log') {
|
||||
messagesDiv.appendChild(this.createDom('div', {className: 'resultMessage log'}, result.toString()));
|
||||
} else if (result.type == 'expect' && result.passed && !result.passed()) {
|
||||
messagesDiv.appendChild(this.createDom('div', {className: 'resultMessage fail'}, result.message));
|
||||
|
||||
if (result.trace.stack) {
|
||||
messagesDiv.appendChild(this.createDom('div', {className: 'stackTrace'}, result.trace.stack));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (messagesDiv.childNodes.length > 0) {
|
||||
this.detail.appendChild(messagesDiv);
|
||||
this.dom.details.appendChild(this.detail);
|
||||
}
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.addHelpers(jasmine.HtmlReporter.SpecView);jasmine.HtmlReporter.SuiteView = function(suite, dom, views) {
|
||||
this.suite = suite;
|
||||
this.dom = dom;
|
||||
this.views = views;
|
||||
|
||||
this.element = this.createDom('div', { className: 'suite' },
|
||||
this.createDom('a', { className: 'description', href: '?spec=' + encodeURIComponent(this.suite.getFullName()) }, this.suite.description)
|
||||
);
|
||||
|
||||
this.appendToSummary(this.suite, this.element);
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.SuiteView.prototype.status = function() {
|
||||
return this.getSpecStatus(this.suite);
|
||||
};
|
||||
|
||||
jasmine.HtmlReporter.SuiteView.prototype.refresh = function() {
|
||||
this.element.className += " " + this.status();
|
||||
};
|
||||
|
||||
jasmine.HtmlReporterHelpers.addHelpers(jasmine.HtmlReporter.SuiteView);
|
||||
|
||||
/* @deprecated Use jasmine.HtmlReporter instead
|
||||
*/
|
||||
jasmine.TrivialReporter = function(doc) {
|
||||
this.document = doc || document;
|
||||
this.suiteDivs = {};
|
||||
this.logRunningSpecs = false;
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.createDom = function(type, attrs, childrenVarArgs) {
|
||||
var el = document.createElement(type);
|
||||
|
||||
for (var i = 2; i < arguments.length; i++) {
|
||||
var child = arguments[i];
|
||||
|
||||
if (typeof child === 'string') {
|
||||
el.appendChild(document.createTextNode(child));
|
||||
} else {
|
||||
if (child) { el.appendChild(child); }
|
||||
}
|
||||
}
|
||||
|
||||
for (var attr in attrs) {
|
||||
if (attr == "className") {
|
||||
el[attr] = attrs[attr];
|
||||
} else {
|
||||
el.setAttribute(attr, attrs[attr]);
|
||||
}
|
||||
}
|
||||
|
||||
return el;
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.reportRunnerStarting = function(runner) {
|
||||
var showPassed, showSkipped;
|
||||
|
||||
this.outerDiv = this.createDom('div', { id: 'TrivialReporter', className: 'jasmine_reporter' },
|
||||
this.createDom('div', { className: 'banner' },
|
||||
this.createDom('div', { className: 'logo' },
|
||||
this.createDom('span', { className: 'title' }, "Jasmine"),
|
||||
this.createDom('span', { className: 'version' }, runner.env.versionString())),
|
||||
this.createDom('div', { className: 'options' },
|
||||
"Show ",
|
||||
showPassed = this.createDom('input', { id: "__jasmine_TrivialReporter_showPassed__", type: 'checkbox' }),
|
||||
this.createDom('label', { "for": "__jasmine_TrivialReporter_showPassed__" }, " passed "),
|
||||
showSkipped = this.createDom('input', { id: "__jasmine_TrivialReporter_showSkipped__", type: 'checkbox' }),
|
||||
this.createDom('label', { "for": "__jasmine_TrivialReporter_showSkipped__" }, " skipped")
|
||||
)
|
||||
),
|
||||
|
||||
this.runnerDiv = this.createDom('div', { className: 'runner running' },
|
||||
this.createDom('a', { className: 'run_spec', href: '?' }, "run all"),
|
||||
this.runnerMessageSpan = this.createDom('span', {}, "Running..."),
|
||||
this.finishedAtSpan = this.createDom('span', { className: 'finished-at' }, ""))
|
||||
);
|
||||
|
||||
this.document.body.appendChild(this.outerDiv);
|
||||
|
||||
var suites = runner.suites();
|
||||
for (var i = 0; i < suites.length; i++) {
|
||||
var suite = suites[i];
|
||||
var suiteDiv = this.createDom('div', { className: 'suite' },
|
||||
this.createDom('a', { className: 'run_spec', href: '?spec=' + encodeURIComponent(suite.getFullName()) }, "run"),
|
||||
this.createDom('a', { className: 'description', href: '?spec=' + encodeURIComponent(suite.getFullName()) }, suite.description));
|
||||
this.suiteDivs[suite.id] = suiteDiv;
|
||||
var parentDiv = this.outerDiv;
|
||||
if (suite.parentSuite) {
|
||||
parentDiv = this.suiteDivs[suite.parentSuite.id];
|
||||
}
|
||||
parentDiv.appendChild(suiteDiv);
|
||||
}
|
||||
|
||||
this.startedAt = new Date();
|
||||
|
||||
var self = this;
|
||||
showPassed.onclick = function(evt) {
|
||||
if (showPassed.checked) {
|
||||
self.outerDiv.className += ' show-passed';
|
||||
} else {
|
||||
self.outerDiv.className = self.outerDiv.className.replace(/ show-passed/, '');
|
||||
}
|
||||
};
|
||||
|
||||
showSkipped.onclick = function(evt) {
|
||||
if (showSkipped.checked) {
|
||||
self.outerDiv.className += ' show-skipped';
|
||||
} else {
|
||||
self.outerDiv.className = self.outerDiv.className.replace(/ show-skipped/, '');
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.reportRunnerResults = function(runner) {
|
||||
var results = runner.results();
|
||||
var className = (results.failedCount > 0) ? "runner failed" : "runner passed";
|
||||
this.runnerDiv.setAttribute("class", className);
|
||||
//do it twice for IE
|
||||
this.runnerDiv.setAttribute("className", className);
|
||||
var specs = runner.specs();
|
||||
var specCount = 0;
|
||||
for (var i = 0; i < specs.length; i++) {
|
||||
if (this.specFilter(specs[i])) {
|
||||
specCount++;
|
||||
}
|
||||
}
|
||||
var message = "" + specCount + " spec" + (specCount == 1 ? "" : "s" ) + ", " + results.failedCount + " failure" + ((results.failedCount == 1) ? "" : "s");
|
||||
message += " in " + ((new Date().getTime() - this.startedAt.getTime()) / 1000) + "s";
|
||||
this.runnerMessageSpan.replaceChild(this.createDom('a', { className: 'description', href: '?'}, message), this.runnerMessageSpan.firstChild);
|
||||
|
||||
this.finishedAtSpan.appendChild(document.createTextNode("Finished at " + new Date().toString()));
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.reportSuiteResults = function(suite) {
|
||||
var results = suite.results();
|
||||
var status = results.passed() ? 'passed' : 'failed';
|
||||
if (results.totalCount === 0) { // todo: change this to check results.skipped
|
||||
status = 'skipped';
|
||||
}
|
||||
this.suiteDivs[suite.id].className += " " + status;
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.reportSpecStarting = function(spec) {
|
||||
if (this.logRunningSpecs) {
|
||||
this.log('>> Jasmine Running ' + spec.suite.description + ' ' + spec.description + '...');
|
||||
}
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.reportSpecResults = function(spec) {
|
||||
var results = spec.results();
|
||||
var status = results.passed() ? 'passed' : 'failed';
|
||||
if (results.skipped) {
|
||||
status = 'skipped';
|
||||
}
|
||||
var specDiv = this.createDom('div', { className: 'spec ' + status },
|
||||
this.createDom('a', { className: 'run_spec', href: '?spec=' + encodeURIComponent(spec.getFullName()) }, "run"),
|
||||
this.createDom('a', {
|
||||
className: 'description',
|
||||
href: '?spec=' + encodeURIComponent(spec.getFullName()),
|
||||
title: spec.getFullName()
|
||||
}, spec.description));
|
||||
|
||||
|
||||
var resultItems = results.getItems();
|
||||
var messagesDiv = this.createDom('div', { className: 'messages' });
|
||||
for (var i = 0; i < resultItems.length; i++) {
|
||||
var result = resultItems[i];
|
||||
|
||||
if (result.type == 'log') {
|
||||
messagesDiv.appendChild(this.createDom('div', {className: 'resultMessage log'}, result.toString()));
|
||||
} else if (result.type == 'expect' && result.passed && !result.passed()) {
|
||||
messagesDiv.appendChild(this.createDom('div', {className: 'resultMessage fail'}, result.message));
|
||||
|
||||
if (result.trace.stack) {
|
||||
messagesDiv.appendChild(this.createDom('div', {className: 'stackTrace'}, result.trace.stack));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (messagesDiv.childNodes.length > 0) {
|
||||
specDiv.appendChild(messagesDiv);
|
||||
}
|
||||
|
||||
this.suiteDivs[spec.suite.id].appendChild(specDiv);
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.log = function() {
|
||||
var console = jasmine.getGlobal().console;
|
||||
if (console && console.log) {
|
||||
if (console.log.apply) {
|
||||
console.log.apply(console, arguments);
|
||||
} else {
|
||||
console.log(arguments); // ie fix: console.log.apply doesn't exist on ie
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.getLocation = function() {
|
||||
return this.document.location;
|
||||
};
|
||||
|
||||
jasmine.TrivialReporter.prototype.specFilter = function(spec) {
|
||||
var paramMap = {};
|
||||
var params = this.getLocation().search.substring(1).split('&');
|
||||
for (var i = 0; i < params.length; i++) {
|
||||
var p = params[i].split('=');
|
||||
paramMap[decodeURIComponent(p[0])] = decodeURIComponent(p[1]);
|
||||
}
|
||||
|
||||
if (!paramMap.spec) {
|
||||
return true;
|
||||
}
|
||||
return spec.getFullName().indexOf(paramMap.spec) === 0;
|
||||
};
|
81
external/jasmine/jasmine.css
vendored
Normal file
81
external/jasmine/jasmine.css
vendored
Normal file
@ -0,0 +1,81 @@
|
||||
body { background-color: #eeeeee; padding: 0; margin: 5px; overflow-y: scroll; }
|
||||
|
||||
#HTMLReporter { font-size: 11px; font-family: Monaco, "Lucida Console", monospace; line-height: 14px; color: #333333; }
|
||||
#HTMLReporter a { text-decoration: none; }
|
||||
#HTMLReporter a:hover { text-decoration: underline; }
|
||||
#HTMLReporter p, #HTMLReporter h1, #HTMLReporter h2, #HTMLReporter h3, #HTMLReporter h4, #HTMLReporter h5, #HTMLReporter h6 { margin: 0; line-height: 14px; }
|
||||
#HTMLReporter .banner, #HTMLReporter .symbolSummary, #HTMLReporter .summary, #HTMLReporter .resultMessage, #HTMLReporter .specDetail .description, #HTMLReporter .alert .bar, #HTMLReporter .stackTrace { padding-left: 9px; padding-right: 9px; }
|
||||
#HTMLReporter #jasmine_content { position: fixed; right: 100%; }
|
||||
#HTMLReporter .version { color: #aaaaaa; }
|
||||
#HTMLReporter .banner { margin-top: 14px; }
|
||||
#HTMLReporter .duration { color: #aaaaaa; float: right; }
|
||||
#HTMLReporter .symbolSummary { overflow: hidden; *zoom: 1; margin: 14px 0; }
|
||||
#HTMLReporter .symbolSummary li { display: block; float: left; height: 7px; width: 14px; margin-bottom: 7px; font-size: 16px; }
|
||||
#HTMLReporter .symbolSummary li.passed { font-size: 14px; }
|
||||
#HTMLReporter .symbolSummary li.passed:before { color: #5e7d00; content: "\02022"; }
|
||||
#HTMLReporter .symbolSummary li.failed { line-height: 9px; }
|
||||
#HTMLReporter .symbolSummary li.failed:before { color: #b03911; content: "x"; font-weight: bold; margin-left: -1px; }
|
||||
#HTMLReporter .symbolSummary li.skipped { font-size: 14px; }
|
||||
#HTMLReporter .symbolSummary li.skipped:before { color: #bababa; content: "\02022"; }
|
||||
#HTMLReporter .symbolSummary li.pending { line-height: 11px; }
|
||||
#HTMLReporter .symbolSummary li.pending:before { color: #aaaaaa; content: "-"; }
|
||||
#HTMLReporter .bar { line-height: 28px; font-size: 14px; display: block; color: #eee; }
|
||||
#HTMLReporter .runningAlert { background-color: #666666; }
|
||||
#HTMLReporter .skippedAlert { background-color: #aaaaaa; }
|
||||
#HTMLReporter .skippedAlert:first-child { background-color: #333333; }
|
||||
#HTMLReporter .skippedAlert:hover { text-decoration: none; color: white; text-decoration: underline; }
|
||||
#HTMLReporter .passingAlert { background-color: #a6b779; }
|
||||
#HTMLReporter .passingAlert:first-child { background-color: #5e7d00; }
|
||||
#HTMLReporter .failingAlert { background-color: #cf867e; }
|
||||
#HTMLReporter .failingAlert:first-child { background-color: #b03911; }
|
||||
#HTMLReporter .results { margin-top: 14px; }
|
||||
#HTMLReporter #details { display: none; }
|
||||
#HTMLReporter .resultsMenu, #HTMLReporter .resultsMenu a { background-color: #fff; color: #333333; }
|
||||
#HTMLReporter.showDetails .summaryMenuItem { font-weight: normal; text-decoration: inherit; }
|
||||
#HTMLReporter.showDetails .summaryMenuItem:hover { text-decoration: underline; }
|
||||
#HTMLReporter.showDetails .detailsMenuItem { font-weight: bold; text-decoration: underline; }
|
||||
#HTMLReporter.showDetails .summary { display: none; }
|
||||
#HTMLReporter.showDetails #details { display: block; }
|
||||
#HTMLReporter .summaryMenuItem { font-weight: bold; text-decoration: underline; }
|
||||
#HTMLReporter .summary { margin-top: 14px; }
|
||||
#HTMLReporter .summary .suite .suite, #HTMLReporter .summary .specSummary { margin-left: 14px; }
|
||||
#HTMLReporter .summary .specSummary.passed a { color: #5e7d00; }
|
||||
#HTMLReporter .summary .specSummary.failed a { color: #b03911; }
|
||||
#HTMLReporter .description + .suite { margin-top: 0; }
|
||||
#HTMLReporter .suite { margin-top: 14px; }
|
||||
#HTMLReporter .suite a { color: #333333; }
|
||||
#HTMLReporter #details .specDetail { margin-bottom: 28px; }
|
||||
#HTMLReporter #details .specDetail .description { display: block; color: white; background-color: #b03911; }
|
||||
#HTMLReporter .resultMessage { padding-top: 14px; color: #333333; }
|
||||
#HTMLReporter .resultMessage span.result { display: block; }
|
||||
#HTMLReporter .stackTrace { margin: 5px 0 0 0; max-height: 224px; overflow: auto; line-height: 18px; color: #666666; border: 1px solid #ddd; background: white; white-space: pre; }
|
||||
|
||||
#TrivialReporter { padding: 8px 13px; position: absolute; top: 0; bottom: 0; left: 0; right: 0; overflow-y: scroll; background-color: white; font-family: "Helvetica Neue Light", "Lucida Grande", "Calibri", "Arial", sans-serif; /*.resultMessage {*/ /*white-space: pre;*/ /*}*/ }
|
||||
#TrivialReporter a:visited, #TrivialReporter a { color: #303; }
|
||||
#TrivialReporter a:hover, #TrivialReporter a:active { color: blue; }
|
||||
#TrivialReporter .run_spec { float: right; padding-right: 5px; font-size: .8em; text-decoration: none; }
|
||||
#TrivialReporter .banner { color: #303; background-color: #fef; padding: 5px; }
|
||||
#TrivialReporter .logo { float: left; font-size: 1.1em; padding-left: 5px; }
|
||||
#TrivialReporter .logo .version { font-size: .6em; padding-left: 1em; }
|
||||
#TrivialReporter .runner.running { background-color: yellow; }
|
||||
#TrivialReporter .options { text-align: right; font-size: .8em; }
|
||||
#TrivialReporter .suite { border: 1px outset gray; margin: 5px 0; padding-left: 1em; }
|
||||
#TrivialReporter .suite .suite { margin: 5px; }
|
||||
#TrivialReporter .suite.passed { background-color: #dfd; }
|
||||
#TrivialReporter .suite.failed { background-color: #fdd; }
|
||||
#TrivialReporter .spec { margin: 5px; padding-left: 1em; clear: both; }
|
||||
#TrivialReporter .spec.failed, #TrivialReporter .spec.passed, #TrivialReporter .spec.skipped { padding-bottom: 5px; border: 1px solid gray; }
|
||||
#TrivialReporter .spec.failed { background-color: #fbb; border-color: red; }
|
||||
#TrivialReporter .spec.passed { background-color: #bfb; border-color: green; }
|
||||
#TrivialReporter .spec.skipped { background-color: #bbb; }
|
||||
#TrivialReporter .messages { border-left: 1px dashed gray; padding-left: 1em; padding-right: 1em; }
|
||||
#TrivialReporter .passed { background-color: #cfc; display: none; }
|
||||
#TrivialReporter .failed { background-color: #fbb; }
|
||||
#TrivialReporter .skipped { color: #777; background-color: #eee; display: none; }
|
||||
#TrivialReporter .resultMessage span.result { display: block; line-height: 2em; color: black; }
|
||||
#TrivialReporter .resultMessage .mismatch { color: black; }
|
||||
#TrivialReporter .stackTrace { white-space: pre; font-size: .8em; margin-left: 10px; max-height: 5em; overflow: auto; border: 1px inset red; padding: 1em; background: #eef; }
|
||||
#TrivialReporter .finished-at { padding-left: 1em; font-size: .6em; }
|
||||
#TrivialReporter.show-passed .passed, #TrivialReporter.show-skipped .skipped { display: block; }
|
||||
#TrivialReporter #jasmine_content { position: fixed; right: 100%; }
|
||||
#TrivialReporter .runner { border: 1px solid gray; display: block; margin: 5px 0; padding: 2px 0 2px 10px; }
|
2476
external/jasmine/jasmine.js
vendored
Normal file
2476
external/jasmine/jasmine.js
vendored
Normal file
File diff suppressed because it is too large
Load Diff
BIN
external/jasmine/jasmine_favicon.png
vendored
Normal file
BIN
external/jasmine/jasmine_favicon.png
vendored
Normal file
Binary file not shown.
After Width: | Height: | Size: 905 B |
24
external/jpgjs/LICENSE
vendored
Normal file
24
external/jpgjs/LICENSE
vendored
Normal file
@ -0,0 +1,24 @@
|
||||
|
||||
Copyright (C) 2011 by notmasteryet
|
||||
|
||||
Contributors: Yury Delendik
|
||||
Brendan Dahl <bdahl@mozilla.com>
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
"Software"), to deal in the Software without restriction, including
|
||||
without limitation the rights to use, copy, modify, merge, publish,
|
||||
distribute, sublicense, and/or sell copies of the Software, and to
|
||||
permit persons to whom the Software is furnished to do so, subject to
|
||||
the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be
|
||||
included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
911
external/jpgjs/jpg.js
vendored
Normal file
911
external/jpgjs/jpg.js
vendored
Normal file
@ -0,0 +1,911 @@
|
||||
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
|
||||
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
|
||||
|
||||
// - The JPEG specification can be found in the ITU CCITT Recommendation T.81
|
||||
// (www.w3.org/Graphics/JPEG/itu-t81.pdf)
|
||||
// - The JFIF specification can be found in the JPEG File Interchange Format
|
||||
// (www.w3.org/Graphics/JPEG/jfif3.pdf)
|
||||
// - The Adobe Application-Specific JPEG markers in the Supporting the DCT Filters
|
||||
// in PostScript Level 2, Technical Note #5116
|
||||
// (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf)
|
||||
|
||||
var JpegImage = (function jpegImage() {
|
||||
"use strict";
|
||||
var dctZigZag = new Int32Array([
|
||||
0,
|
||||
1, 8,
|
||||
16, 9, 2,
|
||||
3, 10, 17, 24,
|
||||
32, 25, 18, 11, 4,
|
||||
5, 12, 19, 26, 33, 40,
|
||||
48, 41, 34, 27, 20, 13, 6,
|
||||
7, 14, 21, 28, 35, 42, 49, 56,
|
||||
57, 50, 43, 36, 29, 22, 15,
|
||||
23, 30, 37, 44, 51, 58,
|
||||
59, 52, 45, 38, 31,
|
||||
39, 46, 53, 60,
|
||||
61, 54, 47,
|
||||
55, 62,
|
||||
63
|
||||
]);
|
||||
|
||||
var dctCos1 = 4017 // cos(pi/16)
|
||||
var dctSin1 = 799 // sin(pi/16)
|
||||
var dctCos3 = 3406 // cos(3*pi/16)
|
||||
var dctSin3 = 2276 // sin(3*pi/16)
|
||||
var dctCos6 = 1567 // cos(6*pi/16)
|
||||
var dctSin6 = 3784 // sin(6*pi/16)
|
||||
var dctSqrt2 = 5793 // sqrt(2)
|
||||
var dctSqrt1d2 = 2896 // sqrt(2) / 2
|
||||
|
||||
function constructor() {
|
||||
}
|
||||
|
||||
function buildHuffmanTable(codeLengths, values) {
|
||||
var k = 0, code = [], i, j, length = 16;
|
||||
while (length > 0 && !codeLengths[length - 1])
|
||||
length--;
|
||||
code.push({children: [], index: 0});
|
||||
var p = code[0], q;
|
||||
for (i = 0; i < length; i++) {
|
||||
for (j = 0; j < codeLengths[i]; j++) {
|
||||
p = code.pop();
|
||||
p.children[p.index] = values[k];
|
||||
while (p.index > 0) {
|
||||
p = code.pop();
|
||||
}
|
||||
p.index++;
|
||||
code.push(p);
|
||||
while (code.length <= i) {
|
||||
code.push(q = {children: [], index: 0});
|
||||
p.children[p.index] = q.children;
|
||||
p = q;
|
||||
}
|
||||
k++;
|
||||
}
|
||||
if (i + 1 < length) {
|
||||
// p here points to last code
|
||||
code.push(q = {children: [], index: 0});
|
||||
p.children[p.index] = q.children;
|
||||
p = q;
|
||||
}
|
||||
}
|
||||
return code[0].children;
|
||||
}
|
||||
|
||||
function decodeScan(data, offset,
|
||||
frame, components, resetInterval,
|
||||
spectralStart, spectralEnd,
|
||||
successivePrev, successive) {
|
||||
var precision = frame.precision;
|
||||
var samplesPerLine = frame.samplesPerLine;
|
||||
var scanLines = frame.scanLines;
|
||||
var mcusPerLine = frame.mcusPerLine;
|
||||
var progressive = frame.progressive;
|
||||
var maxH = frame.maxH, maxV = frame.maxV;
|
||||
|
||||
var startOffset = offset, bitsData = 0, bitsCount = 0;
|
||||
function readBit() {
|
||||
if (bitsCount > 0) {
|
||||
bitsCount--;
|
||||
return (bitsData >> bitsCount) & 1;
|
||||
}
|
||||
bitsData = data[offset++];
|
||||
if (bitsData == 0xFF) {
|
||||
var nextByte = data[offset++];
|
||||
if (nextByte) {
|
||||
throw "unexpected marker: " + ((bitsData << 8) | nextByte).toString(16);
|
||||
}
|
||||
// unstuff 0
|
||||
}
|
||||
bitsCount = 7;
|
||||
return bitsData >>> 7;
|
||||
}
|
||||
function decodeHuffman(tree) {
|
||||
var node = tree, bit;
|
||||
while ((bit = readBit()) !== null) {
|
||||
node = node[bit];
|
||||
if (typeof node === 'number')
|
||||
return node;
|
||||
if (typeof node !== 'object')
|
||||
throw "invalid huffman sequence";
|
||||
}
|
||||
return null;
|
||||
}
|
||||
function receive(length) {
|
||||
var n = 0;
|
||||
while (length > 0) {
|
||||
var bit = readBit();
|
||||
if (bit === null) return;
|
||||
n = (n << 1) | bit;
|
||||
length--;
|
||||
}
|
||||
return n;
|
||||
}
|
||||
function receiveAndExtend(length) {
|
||||
var n = receive(length);
|
||||
if (n >= 1 << (length - 1))
|
||||
return n;
|
||||
return n + (-1 << length) + 1;
|
||||
}
|
||||
function decodeBaseline(component, zz) {
|
||||
var t = decodeHuffman(component.huffmanTableDC);
|
||||
var diff = t === 0 ? 0 : receiveAndExtend(t);
|
||||
zz[0]= (component.pred += diff);
|
||||
var k = 1;
|
||||
while (k < 64) {
|
||||
var rs = decodeHuffman(component.huffmanTableAC);
|
||||
var s = rs & 15, r = rs >> 4;
|
||||
if (s === 0) {
|
||||
if (r < 15)
|
||||
break;
|
||||
k += 16;
|
||||
continue;
|
||||
}
|
||||
k += r;
|
||||
var z = dctZigZag[k];
|
||||
zz[z] = receiveAndExtend(s);
|
||||
k++;
|
||||
}
|
||||
}
|
||||
function decodeDCFirst(component, zz) {
|
||||
var t = decodeHuffman(component.huffmanTableDC);
|
||||
var diff = t === 0 ? 0 : (receiveAndExtend(t) << successive);
|
||||
zz[0] = (component.pred += diff);
|
||||
}
|
||||
function decodeDCSuccessive(component, zz) {
|
||||
zz[0] |= readBit() << successive;
|
||||
}
|
||||
var eobrun = 0;
|
||||
function decodeACFirst(component, zz) {
|
||||
if (eobrun > 0) {
|
||||
eobrun--;
|
||||
return;
|
||||
}
|
||||
var k = spectralStart, e = spectralEnd;
|
||||
while (k <= e) {
|
||||
var rs = decodeHuffman(component.huffmanTableAC);
|
||||
var s = rs & 15, r = rs >> 4;
|
||||
if (s === 0) {
|
||||
if (r < 15) {
|
||||
eobrun = receive(r) + (1 << r) - 1;
|
||||
break;
|
||||
}
|
||||
k += 16;
|
||||
continue;
|
||||
}
|
||||
k += r;
|
||||
var z = dctZigZag[k];
|
||||
zz[z] = receiveAndExtend(s) * (1 << successive);
|
||||
k++;
|
||||
}
|
||||
}
|
||||
var successiveACState = 0, successiveACNextValue;
|
||||
function decodeACSuccessive(component, zz) {
|
||||
var k = spectralStart, e = spectralEnd, r = 0;
|
||||
while (k <= e) {
|
||||
var z = dctZigZag[k];
|
||||
switch (successiveACState) {
|
||||
case 0: // initial state
|
||||
var rs = decodeHuffman(component.huffmanTableAC);
|
||||
var s = rs & 15, r = rs >> 4;
|
||||
if (s === 0) {
|
||||
if (r < 15) {
|
||||
eobrun = receive(r) + (1 << r);
|
||||
successiveACState = 4;
|
||||
} else {
|
||||
r = 16;
|
||||
successiveACState = 1;
|
||||
}
|
||||
} else {
|
||||
if (s !== 1)
|
||||
throw "invalid ACn encoding";
|
||||
successiveACNextValue = receiveAndExtend(s);
|
||||
successiveACState = r ? 2 : 3;
|
||||
}
|
||||
continue;
|
||||
case 1: // skipping r zero items
|
||||
case 2:
|
||||
if (zz[z])
|
||||
zz[z] += (readBit() << successive);
|
||||
else {
|
||||
r--;
|
||||
if (r === 0)
|
||||
successiveACState = successiveACState == 2 ? 3 : 0;
|
||||
}
|
||||
break;
|
||||
case 3: // set value for a zero item
|
||||
if (zz[z])
|
||||
zz[z] += (readBit() << successive);
|
||||
else {
|
||||
zz[z] = successiveACNextValue << successive;
|
||||
successiveACState = 0;
|
||||
}
|
||||
break;
|
||||
case 4: // eob
|
||||
if (zz[z])
|
||||
zz[z] += (readBit() << successive);
|
||||
break;
|
||||
}
|
||||
k++;
|
||||
}
|
||||
if (successiveACState === 4) {
|
||||
eobrun--;
|
||||
if (eobrun === 0)
|
||||
successiveACState = 0;
|
||||
}
|
||||
}
|
||||
function decodeMcu(component, decode, mcu, row, col) {
|
||||
var mcuRow = (mcu / mcusPerLine) | 0;
|
||||
var mcuCol = mcu % mcusPerLine;
|
||||
var blockRow = mcuRow * component.v + row;
|
||||
var blockCol = mcuCol * component.h + col;
|
||||
decode(component, component.blocks[blockRow][blockCol]);
|
||||
}
|
||||
function decodeBlock(component, decode, mcu) {
|
||||
var blockRow = (mcu / component.blocksPerLine) | 0;
|
||||
var blockCol = mcu % component.blocksPerLine;
|
||||
decode(component, component.blocks[blockRow][blockCol]);
|
||||
}
|
||||
|
||||
var componentsLength = components.length;
|
||||
var component, i, j, k, n;
|
||||
var decodeFn;
|
||||
if (progressive) {
|
||||
if (spectralStart === 0)
|
||||
decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
|
||||
else
|
||||
decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
|
||||
} else {
|
||||
decodeFn = decodeBaseline;
|
||||
}
|
||||
|
||||
var mcu = 0, marker;
|
||||
var mcuExpected;
|
||||
if (componentsLength == 1) {
|
||||
mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
|
||||
} else {
|
||||
mcuExpected = mcusPerLine * frame.mcusPerColumn;
|
||||
}
|
||||
if (!resetInterval) resetInterval = mcuExpected;
|
||||
|
||||
var h, v;
|
||||
while (mcu < mcuExpected) {
|
||||
// reset interval stuff
|
||||
for (i = 0; i < componentsLength; i++)
|
||||
components[i].pred = 0;
|
||||
eobrun = 0;
|
||||
|
||||
if (componentsLength == 1) {
|
||||
component = components[0];
|
||||
for (n = 0; n < resetInterval; n++) {
|
||||
decodeBlock(component, decodeFn, mcu);
|
||||
mcu++;
|
||||
}
|
||||
} else {
|
||||
for (n = 0; n < resetInterval; n++) {
|
||||
for (i = 0; i < componentsLength; i++) {
|
||||
component = components[i];
|
||||
h = component.h;
|
||||
v = component.v;
|
||||
for (j = 0; j < v; j++) {
|
||||
for (k = 0; k < h; k++) {
|
||||
decodeMcu(component, decodeFn, mcu, j, k);
|
||||
}
|
||||
}
|
||||
}
|
||||
mcu++;
|
||||
}
|
||||
}
|
||||
|
||||
// find marker
|
||||
bitsCount = 0;
|
||||
marker = (data[offset] << 8) | data[offset + 1];
|
||||
if (marker <= 0xFF00) {
|
||||
throw "marker was not found";
|
||||
}
|
||||
|
||||
if (marker >= 0xFFD0 && marker <= 0xFFD7) { // RSTx
|
||||
offset += 2;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
return offset - startOffset;
|
||||
}
|
||||
|
||||
function buildComponentData(frame, component) {
|
||||
var lines = [];
|
||||
var blocksPerLine = component.blocksPerLine;
|
||||
var blocksPerColumn = component.blocksPerColumn;
|
||||
var samplesPerLine = blocksPerLine << 3;
|
||||
var R = new Int32Array(64), r = new Uint8Array(64);
|
||||
|
||||
// A port of poppler's IDCT method which in turn is taken from:
|
||||
// Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz,
|
||||
// "Practical Fast 1-D DCT Algorithms with 11 Multiplications",
|
||||
// IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989,
|
||||
// 988-991.
|
||||
function quantizeAndInverse(zz, dataOut, dataIn) {
|
||||
var qt = component.quantizationTable;
|
||||
var v0, v1, v2, v3, v4, v5, v6, v7, t;
|
||||
var p = dataIn;
|
||||
var i;
|
||||
|
||||
// dequant
|
||||
for (i = 0; i < 64; i++)
|
||||
p[i] = zz[i] * qt[i];
|
||||
|
||||
// inverse DCT on rows
|
||||
for (i = 0; i < 8; ++i) {
|
||||
var row = 8 * i;
|
||||
|
||||
// check for all-zero AC coefficients
|
||||
if (p[1 + row] == 0 && p[2 + row] == 0 && p[3 + row] == 0 &&
|
||||
p[4 + row] == 0 && p[5 + row] == 0 && p[6 + row] == 0 &&
|
||||
p[7 + row] == 0) {
|
||||
t = (dctSqrt2 * p[0 + row] + 512) >> 10;
|
||||
p[0 + row] = t;
|
||||
p[1 + row] = t;
|
||||
p[2 + row] = t;
|
||||
p[3 + row] = t;
|
||||
p[4 + row] = t;
|
||||
p[5 + row] = t;
|
||||
p[6 + row] = t;
|
||||
p[7 + row] = t;
|
||||
continue;
|
||||
}
|
||||
|
||||
// stage 4
|
||||
v0 = (dctSqrt2 * p[0 + row] + 128) >> 8;
|
||||
v1 = (dctSqrt2 * p[4 + row] + 128) >> 8;
|
||||
v2 = p[2 + row];
|
||||
v3 = p[6 + row];
|
||||
v4 = (dctSqrt1d2 * (p[1 + row] - p[7 + row]) + 128) >> 8;
|
||||
v7 = (dctSqrt1d2 * (p[1 + row] + p[7 + row]) + 128) >> 8;
|
||||
v5 = p[3 + row] << 4;
|
||||
v6 = p[5 + row] << 4;
|
||||
|
||||
// stage 3
|
||||
t = (v0 - v1+ 1) >> 1;
|
||||
v0 = (v0 + v1 + 1) >> 1;
|
||||
v1 = t;
|
||||
t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8;
|
||||
v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8;
|
||||
v3 = t;
|
||||
t = (v4 - v6 + 1) >> 1;
|
||||
v4 = (v4 + v6 + 1) >> 1;
|
||||
v6 = t;
|
||||
t = (v7 + v5 + 1) >> 1;
|
||||
v5 = (v7 - v5 + 1) >> 1;
|
||||
v7 = t;
|
||||
|
||||
// stage 2
|
||||
t = (v0 - v3 + 1) >> 1;
|
||||
v0 = (v0 + v3 + 1) >> 1;
|
||||
v3 = t;
|
||||
t = (v1 - v2 + 1) >> 1;
|
||||
v1 = (v1 + v2 + 1) >> 1;
|
||||
v2 = t;
|
||||
t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;
|
||||
v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;
|
||||
v7 = t;
|
||||
t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;
|
||||
v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;
|
||||
v6 = t;
|
||||
|
||||
// stage 1
|
||||
p[0 + row] = v0 + v7;
|
||||
p[7 + row] = v0 - v7;
|
||||
p[1 + row] = v1 + v6;
|
||||
p[6 + row] = v1 - v6;
|
||||
p[2 + row] = v2 + v5;
|
||||
p[5 + row] = v2 - v5;
|
||||
p[3 + row] = v3 + v4;
|
||||
p[4 + row] = v3 - v4;
|
||||
}
|
||||
|
||||
// inverse DCT on columns
|
||||
for (i = 0; i < 8; ++i) {
|
||||
var col = i;
|
||||
|
||||
// check for all-zero AC coefficients
|
||||
if (p[1*8 + col] == 0 && p[2*8 + col] == 0 && p[3*8 + col] == 0 &&
|
||||
p[4*8 + col] == 0 && p[5*8 + col] == 0 && p[6*8 + col] == 0 &&
|
||||
p[7*8 + col] == 0) {
|
||||
t = (dctSqrt2 * dataIn[i+0] + 8192) >> 14;
|
||||
p[0*8 + col] = t;
|
||||
p[1*8 + col] = t;
|
||||
p[2*8 + col] = t;
|
||||
p[3*8 + col] = t;
|
||||
p[4*8 + col] = t;
|
||||
p[5*8 + col] = t;
|
||||
p[6*8 + col] = t;
|
||||
p[7*8 + col] = t;
|
||||
continue;
|
||||
}
|
||||
|
||||
// stage 4
|
||||
v0 = (dctSqrt2 * p[0*8 + col] + 2048) >> 12;
|
||||
v1 = (dctSqrt2 * p[4*8 + col] + 2048) >> 12;
|
||||
v2 = p[2*8 + col];
|
||||
v3 = p[6*8 + col];
|
||||
v4 = (dctSqrt1d2 * (p[1*8 + col] - p[7*8 + col]) + 2048) >> 12;
|
||||
v7 = (dctSqrt1d2 * (p[1*8 + col] + p[7*8 + col]) + 2048) >> 12;
|
||||
v5 = p[3*8 + col];
|
||||
v6 = p[5*8 + col];
|
||||
|
||||
// stage 3
|
||||
t = (v0 - v1 + 1) >> 1;
|
||||
v0 = (v0 + v1 + 1) >> 1;
|
||||
v1 = t;
|
||||
t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12;
|
||||
v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12;
|
||||
v3 = t;
|
||||
t = (v4 - v6 + 1) >> 1;
|
||||
v4 = (v4 + v6 + 1) >> 1;
|
||||
v6 = t;
|
||||
t = (v7 + v5 + 1) >> 1;
|
||||
v5 = (v7 - v5 + 1) >> 1;
|
||||
v7 = t;
|
||||
|
||||
// stage 2
|
||||
t = (v0 - v3 + 1) >> 1;
|
||||
v0 = (v0 + v3 + 1) >> 1;
|
||||
v3 = t;
|
||||
t = (v1 - v2 + 1) >> 1;
|
||||
v1 = (v1 + v2 + 1) >> 1;
|
||||
v2 = t;
|
||||
t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12;
|
||||
v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12;
|
||||
v7 = t;
|
||||
t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12;
|
||||
v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12;
|
||||
v6 = t;
|
||||
|
||||
// stage 1
|
||||
p[0*8 + col] = v0 + v7;
|
||||
p[7*8 + col] = v0 - v7;
|
||||
p[1*8 + col] = v1 + v6;
|
||||
p[6*8 + col] = v1 - v6;
|
||||
p[2*8 + col] = v2 + v5;
|
||||
p[5*8 + col] = v2 - v5;
|
||||
p[3*8 + col] = v3 + v4;
|
||||
p[4*8 + col] = v3 - v4;
|
||||
}
|
||||
|
||||
// convert to 8-bit integers
|
||||
for (i = 0; i < 64; ++i) {
|
||||
var sample = 128 + ((p[i] + 8) >> 4);
|
||||
dataOut[i] = sample < 0 ? 0 : sample > 0xFF ? 0xFF : sample;
|
||||
}
|
||||
}
|
||||
|
||||
var i, j;
|
||||
for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
|
||||
var scanLine = blockRow << 3;
|
||||
for (i = 0; i < 8; i++)
|
||||
lines.push(new Uint8Array(samplesPerLine));
|
||||
for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
|
||||
quantizeAndInverse(component.blocks[blockRow][blockCol], r, R);
|
||||
|
||||
var offset = 0, sample = blockCol << 3;
|
||||
for (j = 0; j < 8; j++) {
|
||||
var line = lines[scanLine + j];
|
||||
for (i = 0; i < 8; i++)
|
||||
line[sample + i] = r[offset++];
|
||||
}
|
||||
}
|
||||
}
|
||||
return lines;
|
||||
}
|
||||
|
||||
constructor.prototype = {
|
||||
load: function load(path) {
|
||||
var xhr = new XMLHttpRequest();
|
||||
xhr.open("GET", path, true);
|
||||
xhr.responseType = "arraybuffer";
|
||||
xhr.onload = (function() {
|
||||
// TODO catch parse error
|
||||
var data = new Uint8Array(xhr.response || xhr.mozResponseArrayBuffer);
|
||||
this.parse(data);
|
||||
if (this.onload)
|
||||
this.onload();
|
||||
}).bind(this);
|
||||
xhr.send(null);
|
||||
},
|
||||
parse: function parse(data) {
|
||||
var offset = 0, length = data.length;
|
||||
function readUint16() {
|
||||
var value = (data[offset] << 8) | data[offset + 1];
|
||||
offset += 2;
|
||||
return value;
|
||||
}
|
||||
function readDataBlock() {
|
||||
var length = readUint16();
|
||||
var array = data.subarray(offset, offset + length - 2);
|
||||
offset += array.length;
|
||||
return array;
|
||||
}
|
||||
function prepareComponents(frame) {
|
||||
var maxH = 0, maxV = 0;
|
||||
var component, componentId;
|
||||
for (componentId in frame.components) {
|
||||
if (frame.components.hasOwnProperty(componentId)) {
|
||||
component = frame.components[componentId];
|
||||
if (maxH < component.h) maxH = component.h;
|
||||
if (maxV < component.v) maxV = component.v;
|
||||
}
|
||||
}
|
||||
var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / maxH);
|
||||
var mcusPerColumn = Math.ceil(frame.scanLines / 8 / maxV);
|
||||
for (componentId in frame.components) {
|
||||
if (frame.components.hasOwnProperty(componentId)) {
|
||||
component = frame.components[componentId];
|
||||
var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / maxH);
|
||||
var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / maxV);
|
||||
var blocksPerLineForMcu = mcusPerLine * component.h;
|
||||
var blocksPerColumnForMcu = mcusPerColumn * component.v;
|
||||
var blocks = [];
|
||||
for (var i = 0; i < blocksPerColumnForMcu; i++) {
|
||||
var row = [];
|
||||
for (var j = 0; j < blocksPerLineForMcu; j++)
|
||||
row.push(new Int32Array(64));
|
||||
blocks.push(row);
|
||||
}
|
||||
component.blocksPerLine = blocksPerLine;
|
||||
component.blocksPerColumn = blocksPerColumn;
|
||||
component.blocks = blocks;
|
||||
}
|
||||
}
|
||||
frame.maxH = maxH;
|
||||
frame.maxV = maxV;
|
||||
frame.mcusPerLine = mcusPerLine;
|
||||
frame.mcusPerColumn = mcusPerColumn;
|
||||
}
|
||||
var jfif = null;
|
||||
var adobe = null;
|
||||
var pixels = null;
|
||||
var frame, resetInterval;
|
||||
var quantizationTables = [], frames = [];
|
||||
var huffmanTablesAC = [], huffmanTablesDC = [];
|
||||
var fileMarker = readUint16();
|
||||
if (fileMarker != 0xFFD8) { // SOI (Start of Image)
|
||||
throw "SOI not found";
|
||||
}
|
||||
|
||||
fileMarker = readUint16();
|
||||
while (fileMarker != 0xFFD9) { // EOI (End of image)
|
||||
var i, j, l;
|
||||
switch(fileMarker) {
|
||||
case 0xFFE0: // APP0 (Application Specific)
|
||||
case 0xFFE1: // APP1
|
||||
case 0xFFE2: // APP2
|
||||
case 0xFFE3: // APP3
|
||||
case 0xFFE4: // APP4
|
||||
case 0xFFE5: // APP5
|
||||
case 0xFFE6: // APP6
|
||||
case 0xFFE7: // APP7
|
||||
case 0xFFE8: // APP8
|
||||
case 0xFFE9: // APP9
|
||||
case 0xFFEA: // APP10
|
||||
case 0xFFEB: // APP11
|
||||
case 0xFFEC: // APP12
|
||||
case 0xFFED: // APP13
|
||||
case 0xFFEE: // APP14
|
||||
case 0xFFEF: // APP15
|
||||
case 0xFFFE: // COM (Comment)
|
||||
var appData = readDataBlock();
|
||||
|
||||
if (fileMarker === 0xFFE0) {
|
||||
if (appData[0] === 0x4A && appData[1] === 0x46 && appData[2] === 0x49 &&
|
||||
appData[3] === 0x46 && appData[4] === 0) { // 'JFIF\x00'
|
||||
jfif = {
|
||||
version: { major: appData[5], minor: appData[6] },
|
||||
densityUnits: appData[7],
|
||||
xDensity: (appData[8] << 8) | appData[9],
|
||||
yDensity: (appData[10] << 8) | appData[11],
|
||||
thumbWidth: appData[12],
|
||||
thumbHeight: appData[13],
|
||||
thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
|
||||
};
|
||||
}
|
||||
}
|
||||
// TODO APP1 - Exif
|
||||
if (fileMarker === 0xFFEE) {
|
||||
if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6F &&
|
||||
appData[3] === 0x62 && appData[4] === 0x65 && appData[5] === 0) { // 'Adobe\x00'
|
||||
adobe = {
|
||||
version: appData[6],
|
||||
flags0: (appData[7] << 8) | appData[8],
|
||||
flags1: (appData[9] << 8) | appData[10],
|
||||
transformCode: appData[11]
|
||||
};
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case 0xFFDB: // DQT (Define Quantization Tables)
|
||||
var quantizationTableCount = Math.floor((readUint16() - 2) / 65);
|
||||
for (i = 0; i < quantizationTableCount; i++) {
|
||||
var quantizationTableSpec = data[offset++];
|
||||
var tableData = new Int32Array(64);
|
||||
if ((quantizationTableSpec >> 4) === 0) { // 8 bit values
|
||||
for (j = 0; j < 64; j++) {
|
||||
var z = dctZigZag[j];
|
||||
tableData[z] = data[offset++];
|
||||
}
|
||||
} else if ((quantizationTableSpec >> 4) === 1) { //16 bit
|
||||
tableData[j] = readUint16();
|
||||
} else
|
||||
throw "DQT: invalid table spec";
|
||||
quantizationTables[quantizationTableSpec & 15] = tableData;
|
||||
}
|
||||
break;
|
||||
|
||||
case 0xFFC0: // SOF0 (Start of Frame, Baseline DCT)
|
||||
case 0xFFC2: // SOF2 (Start of Frame, Progressive DCT)
|
||||
readUint16(); // skip data length
|
||||
frame = {};
|
||||
frame.progressive = (fileMarker === 0xFFC2);
|
||||
frame.precision = data[offset++];
|
||||
frame.scanLines = readUint16();
|
||||
frame.samplesPerLine = readUint16();
|
||||
frame.components = [];
|
||||
var componentsCount = data[offset++], componentId;
|
||||
var maxH = 0, maxV = 0;
|
||||
for (i = 0; i < componentsCount; i++) {
|
||||
componentId = data[offset];
|
||||
var h = data[offset + 1] >> 4;
|
||||
var v = data[offset + 1] & 15;
|
||||
var qId = data[offset + 2];
|
||||
frame.components[componentId] = {
|
||||
h: h,
|
||||
v: v,
|
||||
quantizationTable: quantizationTables[qId]
|
||||
};
|
||||
offset += 3;
|
||||
}
|
||||
prepareComponents(frame);
|
||||
frames.push(frame);
|
||||
break;
|
||||
|
||||
case 0xFFC4: // DHT (Define Huffman Tables)
|
||||
var huffmanLength = readUint16();
|
||||
for (i = 2; i < huffmanLength;) {
|
||||
var huffmanTableSpec = data[offset++];
|
||||
var codeLengths = new Uint8Array(16);
|
||||
var codeLengthSum = 0;
|
||||
for (j = 0; j < 16; j++, offset++)
|
||||
codeLengthSum += (codeLengths[j] = data[offset]);
|
||||
var huffmanValues = new Uint8Array(codeLengthSum);
|
||||
for (j = 0; j < codeLengthSum; j++, offset++)
|
||||
huffmanValues[j] = data[offset];
|
||||
i += 17 + codeLengthSum;
|
||||
|
||||
((huffmanTableSpec >> 4) === 0 ?
|
||||
huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] =
|
||||
buildHuffmanTable(codeLengths, huffmanValues);
|
||||
}
|
||||
break;
|
||||
|
||||
case 0xFFDD: // DRI (Define Restart Interval)
|
||||
readUint16(); // skip data length
|
||||
resetInterval = readUint16();
|
||||
break;
|
||||
|
||||
case 0xFFDA: // SOS (Start of Scan)
|
||||
var scanLength = readUint16();
|
||||
var selectorsCount = data[offset++];
|
||||
var components = [], component;
|
||||
for (i = 0; i < selectorsCount; i++) {
|
||||
component = frame.components[data[offset++]];
|
||||
var tableSpec = data[offset++];
|
||||
component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
|
||||
component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
|
||||
components.push(component);
|
||||
}
|
||||
var spectralStart = data[offset++];
|
||||
var spectralEnd = data[offset++];
|
||||
var successiveApproximation = data[offset++];
|
||||
var processed = decodeScan(data, offset,
|
||||
frame, components, resetInterval,
|
||||
spectralStart, spectralEnd,
|
||||
successiveApproximation >> 4, successiveApproximation & 15);
|
||||
offset += processed;
|
||||
break;
|
||||
default:
|
||||
throw "unknown JPEG marker " + fileMarker.toString(16);
|
||||
}
|
||||
fileMarker = readUint16();
|
||||
}
|
||||
if (frames.length != 1)
|
||||
throw "only single frame JPEGs supported";
|
||||
|
||||
this.width = frame.samplesPerLine;
|
||||
this.height = frame.scanLines;
|
||||
this.jfif = jfif;
|
||||
this.adobe = adobe;
|
||||
this.components = [];
|
||||
for (var id in frame.components) {
|
||||
if (frame.components.hasOwnProperty(id)) {
|
||||
this.components.push({
|
||||
lines: buildComponentData(frame, frame.components[id]),
|
||||
scaleX: frame.components[id].h / frame.maxH,
|
||||
scaleY: frame.components[id].v / frame.maxV
|
||||
});
|
||||
}
|
||||
}
|
||||
},
|
||||
getData: function getData(width, height) {
|
||||
function clampTo8bit(a) {
|
||||
return a < 0 ? 0 : a > 255 ? 255 : a;
|
||||
}
|
||||
var scaleX = this.width / width, scaleY = this.height / height;
|
||||
|
||||
var component1, component2, component3, component4;
|
||||
var component1Line, component2Line, component3Line, component4Line;
|
||||
var x, y;
|
||||
var offset = 0;
|
||||
var Y, Cb, Cr, K, C, M, Ye, R, G, B;
|
||||
var colorTransform;
|
||||
var dataLength = width * height * this.components.length;
|
||||
var data = new Uint8Array(dataLength);
|
||||
switch (this.components.length) {
|
||||
case 1:
|
||||
component1 = this.components[0];
|
||||
for (y = 0; y < height; y++) {
|
||||
component1Line = component1.lines[0 | (y * component1.scaleY * scaleY)];
|
||||
for (x = 0; x < width; x++) {
|
||||
Y = component1Line[0 | (x * component1.scaleX * scaleX)];
|
||||
|
||||
data[offset++] = Y;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
// The default transform for three components is true
|
||||
colorTransform = true;
|
||||
// The adobe transform marker overrides any previous setting
|
||||
if (this.adobe && this.adobe.transformCode)
|
||||
colorTransform = true;
|
||||
else if (typeof this.colorTransform !== 'undefined')
|
||||
colorTransform = !!this.colorTransform;
|
||||
|
||||
component1 = this.components[0];
|
||||
component2 = this.components[1];
|
||||
component3 = this.components[2];
|
||||
for (y = 0; y < height; y++) {
|
||||
component1Line = component1.lines[0 | (y * component1.scaleY * scaleY)];
|
||||
component2Line = component2.lines[0 | (y * component2.scaleY * scaleY)];
|
||||
component3Line = component3.lines[0 | (y * component3.scaleY * scaleY)];
|
||||
for (x = 0; x < width; x++) {
|
||||
if (!colorTransform) {
|
||||
R = component1Line[0 | (x * component1.scaleX * scaleX)];
|
||||
G = component2Line[0 | (x * component2.scaleX * scaleX)];
|
||||
B = component3Line[0 | (x * component3.scaleX * scaleX)];
|
||||
} else {
|
||||
Y = component1Line[0 | (x * component1.scaleX * scaleX)];
|
||||
Cb = component2Line[0 | (x * component2.scaleX * scaleX)];
|
||||
Cr = component3Line[0 | (x * component3.scaleX * scaleX)];
|
||||
|
||||
R = clampTo8bit(Y + 1.402 * (Cr - 128));
|
||||
G = clampTo8bit(Y - 0.3441363 * (Cb - 128) - 0.71413636 * (Cr - 128));
|
||||
B = clampTo8bit(Y + 1.772 * (Cb - 128));
|
||||
}
|
||||
|
||||
data[offset++] = R;
|
||||
data[offset++] = G;
|
||||
data[offset++] = B;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
if (!this.adobe)
|
||||
throw 'Unsupported color mode (4 components)';
|
||||
// The default transform for four components is false
|
||||
colorTransform = false;
|
||||
// The adobe transform marker overrides any previous setting
|
||||
if (this.adobe && this.adobe.transformCode)
|
||||
colorTransform = true;
|
||||
else if (typeof this.colorTransform !== 'undefined')
|
||||
colorTransform = !!this.colorTransform;
|
||||
|
||||
component1 = this.components[0];
|
||||
component2 = this.components[1];
|
||||
component3 = this.components[2];
|
||||
component4 = this.components[3];
|
||||
for (y = 0; y < height; y++) {
|
||||
component1Line = component1.lines[0 | (y * component1.scaleY * scaleY)];
|
||||
component2Line = component2.lines[0 | (y * component2.scaleY * scaleY)];
|
||||
component3Line = component3.lines[0 | (y * component3.scaleY * scaleY)];
|
||||
component4Line = component4.lines[0 | (y * component4.scaleY * scaleY)];
|
||||
for (x = 0; x < width; x++) {
|
||||
if (!colorTransform) {
|
||||
C = component1Line[0 | (x * component1.scaleX * scaleX)];
|
||||
M = component2Line[0 | (x * component2.scaleX * scaleX)];
|
||||
Ye = component3Line[0 | (x * component3.scaleX * scaleX)];
|
||||
K = component4Line[0 | (x * component4.scaleX * scaleX)];
|
||||
} else {
|
||||
Y = component1Line[0 | (x * component1.scaleX * scaleX)];
|
||||
Cb = component2Line[0 | (x * component2.scaleX * scaleX)];
|
||||
Cr = component3Line[0 | (x * component3.scaleX * scaleX)];
|
||||
K = component4Line[0 | (x * component4.scaleX * scaleX)];
|
||||
|
||||
C = 255 - clampTo8bit(Y + 1.402 * (Cr - 128));
|
||||
M = 255 - clampTo8bit(Y - 0.3441363 * (Cb - 128) - 0.71413636 * (Cr - 128));
|
||||
Ye = 255 - clampTo8bit(Y + 1.772 * (Cb - 128));
|
||||
}
|
||||
data[offset++] = C;
|
||||
data[offset++] = M;
|
||||
data[offset++] = Ye;
|
||||
data[offset++] = K;
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
throw 'Unsupported color mode';
|
||||
}
|
||||
return data;
|
||||
},
|
||||
copyToImageData: function copyToImageData(imageData) {
|
||||
var width = imageData.width, height = imageData.height;
|
||||
var imageDataArray = imageData.data;
|
||||
var data = this.getData(width, height);
|
||||
var i = 0, j = 0, x, y;
|
||||
var Y, K, C, M, R, G, B;
|
||||
switch (this.components.length) {
|
||||
case 1:
|
||||
for (y = 0; y < height; y++) {
|
||||
for (x = 0; x < width; x++) {
|
||||
Y = data[i++];
|
||||
|
||||
imageDataArray[j++] = Y;
|
||||
imageDataArray[j++] = Y;
|
||||
imageDataArray[j++] = Y;
|
||||
imageDataArray[j++] = 255;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
for (y = 0; y < height; y++) {
|
||||
for (x = 0; x < width; x++) {
|
||||
R = data[i++];
|
||||
G = data[i++];
|
||||
B = data[i++];
|
||||
|
||||
imageDataArray[j++] = R;
|
||||
imageDataArray[j++] = G;
|
||||
imageDataArray[j++] = B;
|
||||
imageDataArray[j++] = 255;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
for (y = 0; y < height; y++) {
|
||||
for (x = 0; x < width; x++) {
|
||||
C = data[i++];
|
||||
M = data[i++];
|
||||
Y = data[i++];
|
||||
K = data[i++];
|
||||
|
||||
R = 255 - clampTo8bit(C * (1 - K / 255) + K);
|
||||
G = 255 - clampTo8bit(M * (1 - K / 255) + K);
|
||||
B = 255 - clampTo8bit(Y * (1 - K / 255) + K);
|
||||
|
||||
imageDataArray[j++] = R;
|
||||
imageDataArray[j++] = G;
|
||||
imageDataArray[j++] = B;
|
||||
imageDataArray[j++] = 255;
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
throw 'Unsupported color mode';
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
return constructor;
|
||||
})();
|
153
src/canvas.js
153
src/canvas.js
@ -59,15 +59,121 @@ function ScratchCanvas(width, height) {
|
||||
return canvas;
|
||||
}
|
||||
|
||||
function addContextCurrentTransform(ctx) {
|
||||
// If the context doesn't expose a `mozCurrentTransform`, add a JS based on.
|
||||
if (!ctx.mozCurrentTransform) {
|
||||
// Store the original context
|
||||
ctx._originalSave = ctx.save;
|
||||
ctx._originalRestore = ctx.restore;
|
||||
ctx._originalRotate = ctx.rotate;
|
||||
ctx._originalScale = ctx.scale;
|
||||
ctx._originalTranslate = ctx.translate;
|
||||
ctx._originalTransform = ctx.transform;
|
||||
|
||||
ctx._transformMatrix = [1, 0, 0, 1, 0, 0];
|
||||
ctx._transformStack = [];
|
||||
|
||||
Object.defineProperty(ctx, 'mozCurrentTransform', {
|
||||
get: function getCurrentTransform() {
|
||||
return this._transformMatrix;
|
||||
}
|
||||
});
|
||||
|
||||
Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
|
||||
get: function getCurrentTransformInverse() {
|
||||
// Calculation done using WolframAlpha:
|
||||
// http://www.wolframalpha.com/input/?
|
||||
// i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}
|
||||
|
||||
var m = this._transformMatrix;
|
||||
var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];
|
||||
|
||||
var ad_bc = a * d - b * c;
|
||||
var bc_ad = b * c - a * d;
|
||||
|
||||
return [
|
||||
d / ad_bc,
|
||||
b / bc_ad,
|
||||
c / bc_ad,
|
||||
a / ad_bc,
|
||||
(d * e - c * f) / bc_ad,
|
||||
(b * e - a * f) / ad_bc
|
||||
];
|
||||
}
|
||||
});
|
||||
|
||||
ctx.save = function ctxSave() {
|
||||
var old = this._transformMatrix;
|
||||
this._transformStack.push(old);
|
||||
this._transformMatrix = old.slice(0, 6);
|
||||
|
||||
this._originalSave();
|
||||
};
|
||||
|
||||
ctx.restore = function ctxRestore() {
|
||||
var prev = this._transformStack.pop();
|
||||
if (prev) {
|
||||
this._transformMatrix = prev;
|
||||
this._originalRestore();
|
||||
}
|
||||
};
|
||||
|
||||
ctx.translate = function ctxTranslate(x, y) {
|
||||
var m = this._transformMatrix;
|
||||
m[4] = m[0] * x + m[2] * y + m[4];
|
||||
m[5] = m[1] * x + m[3] * y + m[5];
|
||||
|
||||
this._originalTranslate(x, y);
|
||||
};
|
||||
|
||||
ctx.scale = function ctxScale(x, y) {
|
||||
var m = this._transformMatrix;
|
||||
m[0] = m[0] * x;
|
||||
m[1] = m[1] * x;
|
||||
m[2] = m[2] * y;
|
||||
m[3] = m[3] * y;
|
||||
|
||||
this._originalScale(x, y);
|
||||
};
|
||||
|
||||
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
|
||||
var m = this._transformMatrix;
|
||||
this._transformMatrix = [
|
||||
m[0] * a + m[2] * b,
|
||||
m[1] * a + m[3] * b,
|
||||
m[0] * c + m[2] * d,
|
||||
m[1] * c + m[3] * d,
|
||||
m[0] * e + m[2] * f + m[4],
|
||||
m[1] * e + m[3] * f + m[5]
|
||||
];
|
||||
|
||||
ctx._originalTransform(a, b, c, d, e, f);
|
||||
};
|
||||
|
||||
ctx.rotate = function ctxRotate(angle) {
|
||||
var cosValue = Math.cos(angle);
|
||||
var sinValue = Math.sin(angle);
|
||||
|
||||
var m = this._transformMatrix;
|
||||
this._transformMatrix = [
|
||||
m[0] * cosValue + m[2] * sinValue,
|
||||
m[1] * cosValue + m[3] * sinValue,
|
||||
m[0] * (-sinValue) + m[2] * cosValue,
|
||||
m[1] * (-sinValue) + m[3] * cosValue,
|
||||
m[4],
|
||||
m[5]
|
||||
];
|
||||
|
||||
this._originalRotate(angle);
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
var CanvasGraphics = (function canvasGraphics() {
|
||||
// Defines the time the executeIRQueue is going to be executing
|
||||
// before it stops and shedules a continue of execution.
|
||||
var kExecutionTime = 50;
|
||||
|
||||
// Number of IR commands to execute before checking
|
||||
// if we execute longer then `kExecutionTime`.
|
||||
var kExecutionTimeCheck = 500;
|
||||
|
||||
function constructor(canvasCtx, objs, textLayer) {
|
||||
this.ctx = canvasCtx;
|
||||
this.current = new CanvasExtraState();
|
||||
@ -78,6 +184,9 @@ var CanvasGraphics = (function canvasGraphics() {
|
||||
this.ScratchCanvas = ScratchCanvas;
|
||||
this.objs = objs;
|
||||
this.textLayer = textLayer;
|
||||
if (canvasCtx) {
|
||||
addContextCurrentTransform(canvasCtx);
|
||||
}
|
||||
}
|
||||
|
||||
var LINE_CAP_STYLES = ['butt', 'round', 'square'];
|
||||
@ -119,31 +228,33 @@ var CanvasGraphics = (function canvasGraphics() {
|
||||
var i = executionStartIdx || 0;
|
||||
var argsArrayLen = argsArray.length;
|
||||
|
||||
// Sometimes the IRQueue to execute is empty.
|
||||
if (argsArrayLen == i) {
|
||||
return i;
|
||||
}
|
||||
|
||||
var executionEndIdx;
|
||||
var startTime = Date.now();
|
||||
|
||||
var objs = this.objs;
|
||||
|
||||
do {
|
||||
executionEndIdx = Math.min(argsArrayLen, i + kExecutionTimeCheck);
|
||||
while (true) {
|
||||
if (fnArray[i] !== 'dependency') {
|
||||
this[fnArray[i]].apply(this, argsArray[i]);
|
||||
} else {
|
||||
var deps = argsArray[i];
|
||||
for (var n = 0, nn = deps.length; n < nn; n++) {
|
||||
var depObjId = deps[n];
|
||||
|
||||
for (i; i < executionEndIdx; i++) {
|
||||
if (fnArray[i] !== 'dependency') {
|
||||
this[fnArray[i]].apply(this, argsArray[i]);
|
||||
} else {
|
||||
var deps = argsArray[i];
|
||||
for (var n = 0, nn = deps.length; n < nn; n++) {
|
||||
var depObjId = deps[n];
|
||||
|
||||
// If the promise isn't resolved yet, add the continueCallback
|
||||
// to the promise and bail out.
|
||||
if (!objs.isResolved(depObjId)) {
|
||||
objs.get(depObjId, continueCallback);
|
||||
return i;
|
||||
}
|
||||
// If the promise isn't resolved yet, add the continueCallback
|
||||
// to the promise and bail out.
|
||||
if (!objs.isResolved(depObjId)) {
|
||||
objs.get(depObjId, continueCallback);
|
||||
return i;
|
||||
}
|
||||
}
|
||||
}
|
||||
i++;
|
||||
|
||||
// If the entire IRQueue was executed, stop as were done.
|
||||
if (i == argsArrayLen) {
|
||||
@ -160,7 +271,7 @@ var CanvasGraphics = (function canvasGraphics() {
|
||||
|
||||
// If the IRQueue isn't executed completly yet OR the execution time
|
||||
// was short enough, do another execution round.
|
||||
} while (true);
|
||||
}
|
||||
},
|
||||
|
||||
endDrawing: function canvasGraphicsEndDrawing() {
|
||||
|
@ -24,7 +24,7 @@ var ColorSpace = (function colorSpaceColorSpace() {
|
||||
|
||||
constructor.parse = function colorSpaceParse(cs, xref, res) {
|
||||
var IR = constructor.parseToIR(cs, xref, res);
|
||||
if (IR instanceof SeparationCS)
|
||||
if (IR instanceof AlternateCS)
|
||||
return IR;
|
||||
|
||||
return constructor.fromIR(IR);
|
||||
@ -50,11 +50,12 @@ var ColorSpace = (function colorSpaceColorSpace() {
|
||||
var hiVal = IR[2];
|
||||
var lookup = IR[3];
|
||||
return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup);
|
||||
case 'SeparationCS':
|
||||
var alt = IR[1];
|
||||
var tintFnIR = IR[2];
|
||||
case 'AlternateCS':
|
||||
var numComps = IR[1];
|
||||
var alt = IR[2];
|
||||
var tintFnIR = IR[3];
|
||||
|
||||
return new SeparationCS(ColorSpace.fromIR(alt),
|
||||
return new AlternateCS(numComps, ColorSpace.fromIR(alt),
|
||||
PDFFunction.fromIR(tintFnIR));
|
||||
default:
|
||||
error('Unkown name ' + name);
|
||||
@ -134,11 +135,17 @@ var ColorSpace = (function colorSpaceColorSpace() {
|
||||
var lookup = xref.fetchIfRef(cs[3]);
|
||||
return ['IndexedCS', baseIndexedCS, hiVal, lookup];
|
||||
case 'Separation':
|
||||
case 'DeviceN':
|
||||
var name = cs[1];
|
||||
var numComps = 1;
|
||||
if (isName(name))
|
||||
numComps = 1;
|
||||
else if (isArray(name))
|
||||
numComps = name.length;
|
||||
var alt = ColorSpace.parseToIR(cs[2], xref, res);
|
||||
var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3]));
|
||||
return ['SeparationCS', alt, tintFnIR];
|
||||
return ['AlternateCS', numComps, alt, tintFnIR];
|
||||
case 'Lab':
|
||||
case 'DeviceN':
|
||||
default:
|
||||
error('unimplemented color space object "' + mode + '"');
|
||||
}
|
||||
@ -151,33 +158,45 @@ var ColorSpace = (function colorSpaceColorSpace() {
|
||||
return constructor;
|
||||
})();
|
||||
|
||||
var SeparationCS = (function separationCS() {
|
||||
function constructor(base, tintFn) {
|
||||
this.name = 'Separation';
|
||||
this.numComps = 1;
|
||||
this.defaultColor = [1];
|
||||
/**
|
||||
* Alternate color space handles both Separation and DeviceN color spaces. A
|
||||
* Separation color space is actually just a DeviceN with one color component.
|
||||
* Both color spaces use a tinting function to convert colors to a base color
|
||||
* space.
|
||||
*/
|
||||
var AlternateCS = (function alternateCS() {
|
||||
function constructor(numComps, base, tintFn) {
|
||||
this.name = 'Alternate';
|
||||
this.numComps = numComps;
|
||||
this.defaultColor = [];
|
||||
for (var i = 0; i < numComps; ++i)
|
||||
this.defaultColor.push(1);
|
||||
this.base = base;
|
||||
this.tintFn = tintFn;
|
||||
}
|
||||
|
||||
constructor.prototype = {
|
||||
getRgb: function sepcs_getRgb(color) {
|
||||
getRgb: function altcs_getRgb(color) {
|
||||
var tinted = this.tintFn(color);
|
||||
return this.base.getRgb(tinted);
|
||||
},
|
||||
getRgbBuffer: function sepcs_getRgbBuffer(input, bits) {
|
||||
getRgbBuffer: function altcs_getRgbBuffer(input, bits) {
|
||||
var tintFn = this.tintFn;
|
||||
var base = this.base;
|
||||
var scale = 1 / ((1 << bits) - 1);
|
||||
var length = input.length;
|
||||
var pos = 0;
|
||||
var numComps = base.numComps;
|
||||
var baseBuf = new Uint8Array(numComps * length);
|
||||
var baseNumComps = base.numComps;
|
||||
var baseBuf = new Uint8Array(baseNumComps * length);
|
||||
var numComps = this.numComps;
|
||||
var scaled = new Array(numComps);
|
||||
|
||||
for (var i = 0; i < length; ++i) {
|
||||
var scaled = input[i] * scale;
|
||||
var tinted = tintFn([scaled]);
|
||||
for (var j = 0; j < numComps; ++j)
|
||||
for (var i = 0; i < length; i += numComps) {
|
||||
for (var z = 0; z < numComps; ++z)
|
||||
scaled[z] = input[i + z] * scale;
|
||||
|
||||
var tinted = tintFn(scaled);
|
||||
for (var j = 0; j < baseNumComps; ++j)
|
||||
baseBuf[pos++] = 255 * tinted[j];
|
||||
}
|
||||
return base.getRgbBuffer(baseBuf, 8);
|
||||
|
@ -552,7 +552,7 @@ var PDFDoc = (function pdfDoc() {
|
||||
switch (type) {
|
||||
case 'JpegStream':
|
||||
var IR = data[2];
|
||||
new JpegImage(id, IR, this.objs);
|
||||
new JpegImageLoader(id, IR, this.objs);
|
||||
break;
|
||||
case 'Font':
|
||||
var name = data[2];
|
||||
|
@ -179,7 +179,7 @@ var PartialEvaluator = (function partialEvaluator() {
|
||||
var w = dict.get('Width', 'W');
|
||||
var h = dict.get('Height', 'H');
|
||||
|
||||
if (image instanceof JpegStream) {
|
||||
if (image instanceof JpegStream && image.isNative) {
|
||||
var objId = 'img_' + uniquePrefix + (++self.objIdCounter);
|
||||
handler.send('obj', [objId, 'JpegStream', image.getIR()]);
|
||||
|
||||
|
143
src/function.js
143
src/function.js
@ -20,6 +20,8 @@ var PDFFunction = (function pdfFunction() {
|
||||
var array = [];
|
||||
var codeSize = 0;
|
||||
var codeBuf = 0;
|
||||
// 32 is a valid bps so shifting won't work
|
||||
var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1);
|
||||
|
||||
var strBytes = str.getBytes((length * bps + 7) / 8);
|
||||
var strIdx = 0;
|
||||
@ -30,7 +32,7 @@ var PDFFunction = (function pdfFunction() {
|
||||
codeSize += 8;
|
||||
}
|
||||
codeSize -= bps;
|
||||
array.push(codeBuf >> codeSize);
|
||||
array.push((codeBuf >> codeSize) * sampleMul);
|
||||
codeBuf &= (1 << codeSize) - 1;
|
||||
}
|
||||
return array;
|
||||
@ -76,6 +78,17 @@ var PDFFunction = (function pdfFunction() {
|
||||
},
|
||||
|
||||
constructSampled: function pdfFunctionConstructSampled(str, dict) {
|
||||
function toMultiArray(arr) {
|
||||
var inputLength = arr.length;
|
||||
var outputLength = arr.length / 2;
|
||||
var out = new Array(outputLength);
|
||||
var index = 0;
|
||||
for (var i = 0; i < inputLength; i += 2) {
|
||||
out[index] = [arr[i], arr[i + 1]];
|
||||
++index;
|
||||
}
|
||||
return out;
|
||||
}
|
||||
var domain = dict.get('Domain');
|
||||
var range = dict.get('Range');
|
||||
|
||||
@ -85,9 +98,8 @@ var PDFFunction = (function pdfFunction() {
|
||||
var inputSize = domain.length / 2;
|
||||
var outputSize = range.length / 2;
|
||||
|
||||
if (inputSize != 1)
|
||||
error('No support for multi-variable inputs to functions: ' +
|
||||
inputSize);
|
||||
domain = toMultiArray(domain);
|
||||
range = toMultiArray(range);
|
||||
|
||||
var size = dict.get('Size');
|
||||
var bps = dict.get('BitsPerSample');
|
||||
@ -105,15 +117,36 @@ var PDFFunction = (function pdfFunction() {
|
||||
encode.push(size[i] - 1);
|
||||
}
|
||||
}
|
||||
encode = toMultiArray(encode);
|
||||
|
||||
var decode = dict.get('Decode');
|
||||
if (!decode)
|
||||
decode = range;
|
||||
else
|
||||
decode = toMultiArray(decode);
|
||||
|
||||
// Precalc the multipliers
|
||||
var inputMul = new Float64Array(inputSize);
|
||||
for (var i = 0; i < inputSize; ++i) {
|
||||
inputMul[i] = (encode[i][1] - encode[i][0]) /
|
||||
(domain[i][1] - domain[i][0]);
|
||||
}
|
||||
|
||||
var idxMul = new Int32Array(inputSize);
|
||||
idxMul[0] = outputSize;
|
||||
for (i = 1; i < inputSize; ++i) {
|
||||
idxMul[i] = idxMul[i - 1] * size[i - 1];
|
||||
}
|
||||
|
||||
var nSamples = outputSize;
|
||||
for (i = 0; i < inputSize; ++i)
|
||||
nSamples *= size[i];
|
||||
|
||||
var samples = this.getSampleArray(size, outputSize, bps, str);
|
||||
|
||||
return [
|
||||
CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size,
|
||||
outputSize, bps, range
|
||||
outputSize, bps, range, inputMul, idxMul, nSamples
|
||||
];
|
||||
},
|
||||
|
||||
@ -127,64 +160,74 @@ var PDFFunction = (function pdfFunction() {
|
||||
var outputSize = IR[7];
|
||||
var bps = IR[8];
|
||||
var range = IR[9];
|
||||
var inputMul = IR[10];
|
||||
var idxMul = IR[11];
|
||||
var nSamples = IR[12];
|
||||
|
||||
return function constructSampledFromIRResult(args) {
|
||||
var clip = function constructSampledFromIRClip(v, min, max) {
|
||||
if (v > max)
|
||||
v = max;
|
||||
else if (v < min)
|
||||
v = min;
|
||||
return v;
|
||||
};
|
||||
|
||||
if (inputSize != args.length)
|
||||
error('Incorrect number of arguments: ' + inputSize + ' != ' +
|
||||
args.length);
|
||||
// Most of the below is a port of Poppler's implementation.
|
||||
// TODO: There's a few other ways to do multilinear interpolation such
|
||||
// as piecewise, which is much faster but an approximation.
|
||||
var out = new Float64Array(outputSize);
|
||||
var x;
|
||||
var e = new Array(inputSize);
|
||||
var efrac0 = new Float64Array(inputSize);
|
||||
var efrac1 = new Float64Array(inputSize);
|
||||
var sBuf = new Float64Array(1 << inputSize);
|
||||
var i, j, k, idx, t;
|
||||
|
||||
for (var i = 0; i < inputSize; i++) {
|
||||
var i2 = i * 2;
|
||||
|
||||
// clip to the domain
|
||||
var v = clip(args[i], domain[i2], domain[i2 + 1]);
|
||||
|
||||
// encode
|
||||
v = encode[i2] + ((v - domain[i2]) *
|
||||
(encode[i2 + 1] - encode[i2]) /
|
||||
(domain[i2 + 1] - domain[i2]));
|
||||
|
||||
// clip to the size
|
||||
args[i] = clip(v, 0, size[i] - 1);
|
||||
// map input values into sample array
|
||||
for (i = 0; i < inputSize; ++i) {
|
||||
x = (args[i] - domain[i][0]) * inputMul[i] + encode[i][0];
|
||||
if (x < 0) {
|
||||
x = 0;
|
||||
} else if (x > size[i] - 1) {
|
||||
x = size[i] - 1;
|
||||
}
|
||||
e[i] = [Math.floor(x), 0];
|
||||
if ((e[i][1] = e[i][0] + 1) >= size[i]) {
|
||||
// this happens if in[i] = domain[i][1]
|
||||
e[i][1] = e[i][0];
|
||||
}
|
||||
efrac1[i] = x - e[i][0];
|
||||
efrac0[i] = 1 - efrac1[i];
|
||||
}
|
||||
|
||||
// interpolate to table
|
||||
TODO('Multi-dimensional interpolation');
|
||||
var floor = Math.floor(args[0]);
|
||||
var ceil = Math.ceil(args[0]);
|
||||
var scale = args[0] - floor;
|
||||
// for each output, do m-linear interpolation
|
||||
for (i = 0; i < outputSize; ++i) {
|
||||
|
||||
floor *= outputSize;
|
||||
ceil *= outputSize;
|
||||
|
||||
var output = [], v = 0;
|
||||
for (var i = 0; i < outputSize; ++i) {
|
||||
if (ceil == floor) {
|
||||
v = samples[ceil + i];
|
||||
} else {
|
||||
var low = samples[floor + i];
|
||||
var high = samples[ceil + i];
|
||||
v = low * scale + high * (1 - scale);
|
||||
// pull 2^m values out of the sample array
|
||||
for (j = 0; j < (1 << inputSize); ++j) {
|
||||
idx = i;
|
||||
for (k = 0, t = j; k < inputSize; ++k, t >>= 1) {
|
||||
idx += idxMul[k] * (e[k][t & 1]);
|
||||
}
|
||||
if (idx >= 0 && idx < nSamples) {
|
||||
sBuf[j] = samples[idx];
|
||||
} else {
|
||||
sBuf[j] = 0; // TODO Investigate if this is what Adobe does
|
||||
}
|
||||
}
|
||||
|
||||
var i2 = i * 2;
|
||||
// decode
|
||||
v = decode[i2] + (v * (decode[i2 + 1] - decode[i2]) /
|
||||
((1 << bps) - 1));
|
||||
// do m sets of interpolations
|
||||
for (j = 0, t = (1 << inputSize); j < inputSize; ++j, t >>= 1) {
|
||||
for (k = 0; k < t; k += 2) {
|
||||
sBuf[k >> 1] = efrac0[j] * sBuf[k] + efrac1[j] * sBuf[k + 1];
|
||||
}
|
||||
}
|
||||
|
||||
// clip to the domain
|
||||
output.push(clip(v, range[i2], range[i2 + 1]));
|
||||
// map output value to range
|
||||
out[i] = (sBuf[0] * (decode[i][1] - decode[i][0]) + decode[i][0]);
|
||||
if (out[i] < range[i][0]) {
|
||||
out[i] = range[i][0];
|
||||
} else if (out[i] > range[i][1]) {
|
||||
out[i] = range[i][1];
|
||||
}
|
||||
}
|
||||
|
||||
return output;
|
||||
return out;
|
||||
}
|
||||
},
|
||||
|
||||
|
12
src/image.js
12
src/image.js
@ -229,12 +229,12 @@ var PDFImage = (function pdfImage() {
|
||||
return constructor;
|
||||
})();
|
||||
|
||||
var JpegImage = (function jpegImage() {
|
||||
function JpegImage(objId, imageData, objs) {
|
||||
var JpegImageLoader = (function jpegImage() {
|
||||
function JpegImageLoader(objId, imageData, objs) {
|
||||
var src = 'data:image/jpeg;base64,' + window.btoa(imageData);
|
||||
|
||||
var img = new Image();
|
||||
img.onload = (function jpegImageOnload() {
|
||||
img.onload = (function jpegImageLoaderOnload() {
|
||||
this.loaded = true;
|
||||
|
||||
objs.resolve(objId, this);
|
||||
@ -246,12 +246,12 @@ var JpegImage = (function jpegImage() {
|
||||
this.domImage = img;
|
||||
}
|
||||
|
||||
JpegImage.prototype = {
|
||||
getImage: function jpegImageGetImage() {
|
||||
JpegImageLoader.prototype = {
|
||||
getImage: function jpegImageLoaderGetImage() {
|
||||
return this.domImage;
|
||||
}
|
||||
};
|
||||
|
||||
return JpegImage;
|
||||
return JpegImageLoader;
|
||||
})();
|
||||
|
||||
|
@ -236,7 +236,7 @@ var Parser = (function parserParser() {
|
||||
return new LZWStream(stream, earlyChange);
|
||||
} else if (name == 'DCTDecode' || name == 'DCT') {
|
||||
var bytes = stream.getBytes(length);
|
||||
return new JpegStream(bytes, stream.dict);
|
||||
return new JpegStream(bytes, stream.dict, this.xref);
|
||||
} else if (name == 'ASCII85Decode' || name == 'A85') {
|
||||
return new Ascii85Stream(stream);
|
||||
} else if (name == 'ASCIIHexDecode' || name == 'AHx') {
|
||||
|
@ -756,8 +756,13 @@ var PredictorStream = (function predictorStream() {
|
||||
return constructor;
|
||||
})();
|
||||
|
||||
// A JpegStream can't be read directly. We use the platform to render
|
||||
// the underlying JPEG data for us.
|
||||
/**
|
||||
* Depending on the type of JPEG a JpegStream is handled in different ways. For
|
||||
* JPEG's that are supported natively such as DeviceGray and DeviceRGB the image
|
||||
* data is stored and then loaded by the browser. For unsupported JPEG's we use
|
||||
* a library to decode these images and the stream behaves like all the other
|
||||
* DecodeStreams.
|
||||
*/
|
||||
var JpegStream = (function jpegStream() {
|
||||
function isAdobeImage(bytes) {
|
||||
var maxBytesScanned = Math.max(bytes.length - 16, 1024);
|
||||
@ -789,24 +794,56 @@ var JpegStream = (function jpegStream() {
|
||||
return newBytes;
|
||||
}
|
||||
|
||||
function constructor(bytes, dict) {
|
||||
function constructor(bytes, dict, xref) {
|
||||
// TODO: per poppler, some images may have 'junk' before that
|
||||
// need to be removed
|
||||
this.dict = dict;
|
||||
|
||||
if (isAdobeImage(bytes))
|
||||
bytes = fixAdobeImage(bytes);
|
||||
// Flag indicating wether the image can be natively loaded.
|
||||
this.isNative = true;
|
||||
|
||||
this.src = bytesToString(bytes);
|
||||
this.colorTransform = -1;
|
||||
|
||||
if (isAdobeImage(bytes)) {
|
||||
// when bug 674619 land, let's check if browser can do
|
||||
// normal cmyk and then we won't have to the following
|
||||
var cs = xref.fetchIfRef(dict.get('ColorSpace'));
|
||||
|
||||
// DeviceRGB and DeviceGray are the only Adobe images that work natively
|
||||
if (isName(cs) && (cs.name === 'DeviceRGB' || cs.name === 'DeviceGray')) {
|
||||
bytes = fixAdobeImage(bytes);
|
||||
this.src = bytesToString(bytes);
|
||||
} else {
|
||||
this.colorTransform = dict.get('ColorTransform');
|
||||
this.isNative = false;
|
||||
this.bytes = bytes;
|
||||
}
|
||||
} else {
|
||||
this.src = bytesToString(bytes);
|
||||
}
|
||||
|
||||
DecodeStream.call(this);
|
||||
}
|
||||
|
||||
constructor.prototype = {
|
||||
getIR: function jpegStreamGetIR() {
|
||||
return this.src;
|
||||
},
|
||||
getChar: function jpegStreamGetChar() {
|
||||
constructor.prototype = Object.create(DecodeStream.prototype);
|
||||
|
||||
constructor.prototype.ensureBuffer = function jpegStreamEnsureBuffer(req) {
|
||||
if (this.bufferLength)
|
||||
return;
|
||||
var jpegImage = new JpegImage();
|
||||
jpegImage.colorTransform = this.colorTransform;
|
||||
jpegImage.parse(this.bytes);
|
||||
var width = jpegImage.width;
|
||||
var height = jpegImage.height;
|
||||
var data = jpegImage.getData(width, height);
|
||||
this.buffer = data;
|
||||
this.bufferLength = data.length;
|
||||
};
|
||||
constructor.prototype.getIR = function jpegStreamGetIR() {
|
||||
return this.src;
|
||||
};
|
||||
constructor.prototype.getChar = function jpegStreamGetChar() {
|
||||
error('internal error: getChar is not valid on JpegStream');
|
||||
}
|
||||
};
|
||||
|
||||
return constructor;
|
||||
|
@ -40,7 +40,8 @@ function onMessageLoader(evt) {
|
||||
'parser.js',
|
||||
'pattern.js',
|
||||
'stream.js',
|
||||
'worker.js'
|
||||
'worker.js',
|
||||
'../external/jpgjs/jpg.js'
|
||||
];
|
||||
|
||||
// Load all the files.
|
||||
|
3
test/pdfs/.gitignore
vendored
3
test/pdfs/.gitignore
vendored
@ -14,4 +14,5 @@
|
||||
!sizes.pdf
|
||||
!close-path-bug.pdf
|
||||
!alphatrans.pdf
|
||||
|
||||
!devicen.pdf
|
||||
!cmykjpeg.pdf
|
||||
|
2178
test/pdfs/cmykjpeg.pdf
Normal file
2178
test/pdfs/cmykjpeg.pdf
Normal file
File diff suppressed because one or more lines are too long
BIN
test/pdfs/devicen.pdf
Normal file
BIN
test/pdfs/devicen.pdf
Normal file
Binary file not shown.
@ -1 +0,0 @@
|
||||
http://openweb.flossmanuals.net/materials/openweb_tm-PRINT.pdf
|
@ -20,6 +20,7 @@
|
||||
{ "id": "intelisa-load",
|
||||
"file": "pdfs/intelisa.pdf",
|
||||
"md5": "f5712097d29287a97f1278839814f682",
|
||||
"md5": "f3ed5487d1afa34d8b77c0c734a95c79",
|
||||
"link": true,
|
||||
"rounds": 1,
|
||||
"type": "load"
|
||||
@ -44,13 +45,6 @@
|
||||
"rounds": 1,
|
||||
"type": "eq"
|
||||
},
|
||||
{ "id": "openweb-cover",
|
||||
"file": "pdfs/openweb_tm-PRINT.pdf",
|
||||
"md5": "53f611dfc19ddfb50554c21c4af465c0",
|
||||
"link": true,
|
||||
"rounds": 1,
|
||||
"type": "eq"
|
||||
},
|
||||
{ "id": "plusminus",
|
||||
"file": "pdfs/Test-plusminus.pdf",
|
||||
"md5": "1ec7ade5b95ac9aaba3a618af28d34c7",
|
||||
@ -268,5 +262,19 @@
|
||||
"link": false,
|
||||
"rounds": 1,
|
||||
"type": "eq"
|
||||
},
|
||||
{ "id": "devicen",
|
||||
"file": "pdfs/devicen.pdf",
|
||||
"md5": "aac6a91725435d1376c6ff492dc5cb75",
|
||||
"link": false,
|
||||
"rounds": 1,
|
||||
"type": "eq"
|
||||
},
|
||||
{ "id": "cmykjpeg",
|
||||
"file": "pdfs/cmykjpeg.pdf",
|
||||
"md5": "85d162b48ce98503a382d96f574f70a2",
|
||||
"link": false,
|
||||
"rounds": 1,
|
||||
"type": "eq"
|
||||
}
|
||||
]
|
||||
|
@ -21,6 +21,7 @@
|
||||
<script type="text/javascript" src="/src/pattern.js"></script>
|
||||
<script type="text/javascript" src="/src/stream.js"></script>
|
||||
<script type="text/javascript" src="/src/worker.js"></script>
|
||||
<script type="text/javascript" src="/external/jpgjs/jpg.js"></script>
|
||||
<script type="text/javascript" src="driver.js"></script>
|
||||
|
||||
<script type="text/javascript">
|
||||
|
16
test/unit/obj_spec.js
Normal file
16
test/unit/obj_spec.js
Normal file
@ -0,0 +1,16 @@
|
||||
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
|
||||
|
||||
'use strict';
|
||||
|
||||
describe("obj", function() {
|
||||
|
||||
describe("Name", function() {
|
||||
it("should retain the given name", function() {
|
||||
var givenName = "Font";
|
||||
var name = new Name(givenName);
|
||||
expect(name.name).toEqual(givenName);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
51
test/unit/unit_test.html
Normal file
51
test/unit/unit_test.html
Normal file
@ -0,0 +1,51 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<title>pdf.js unit test</title>
|
||||
|
||||
<link rel="shortcut icon" type="image/png" href="../../external/jasmine/jasmine_favicon.png">
|
||||
<link rel="stylesheet" type="text/css" href="../../external/jasmine/jasmine.css">
|
||||
|
||||
<script type="text/javascript" src="../../external/jasmine/jasmine.js"></script>
|
||||
<script type="text/javascript" src="../../external/jasmine/jasmine-html.js"></script>
|
||||
|
||||
<!-- include spec files here... -->
|
||||
<script type="text/javascript" src="obj_spec.js"></script>
|
||||
|
||||
<!-- include source files here... -->
|
||||
<script type="text/javascript" src="../../src/obj.js"></script>
|
||||
|
||||
<script type="text/javascript">
|
||||
'use strict';
|
||||
|
||||
(function pdfJsUnitTest() {
|
||||
var jasmineEnv = jasmine.getEnv();
|
||||
jasmineEnv.updateInterval = 1000;
|
||||
|
||||
var trivialReporter = new jasmine.TrivialReporter();
|
||||
|
||||
jasmineEnv.addReporter(trivialReporter);
|
||||
|
||||
jasmineEnv.specFilter = function pdfJsUnitTestSpecFilter(spec) {
|
||||
return trivialReporter.specFilter(spec);
|
||||
};
|
||||
|
||||
var currentWindowOnload = window.onload;
|
||||
|
||||
window.onload = function pdfJsUnitTestOnload() {
|
||||
if (currentWindowOnload) {
|
||||
currentWindowOnload();
|
||||
}
|
||||
execJasmine();
|
||||
};
|
||||
|
||||
function execJasmine() {
|
||||
jasmineEnv.execute();
|
||||
}
|
||||
})();
|
||||
</script>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
@ -25,7 +25,7 @@
|
||||
<script type="text/javascript" src="../src/pattern.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
|
||||
<script type="text/javascript" src="../src/stream.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
|
||||
<script type="text/javascript" src="../src/worker.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
|
||||
|
||||
<script type="text/javascript" src="../external/jpgjs/jpg.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
|
||||
<script type="text/javascript">PDFJS.workerSrc = '../src/worker_loader.js';</script> <!-- PDFJSSCRIPT_REMOVE -->
|
||||
|
||||
<script type="text/javascript" src="viewer.js"></script>
|
||||
|
@ -193,6 +193,13 @@ var PDFView = {
|
||||
},
|
||||
|
||||
load: function pdfViewLoad(data, scale) {
|
||||
function bindOnAfterDraw(pageView, thumbnailView) {
|
||||
// when page is painted, using the image as thumbnail base
|
||||
pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
|
||||
thumbnailView.setImage(pageView.canvas);
|
||||
};
|
||||
}
|
||||
|
||||
var loadingIndicator = document.getElementById('loading');
|
||||
loadingIndicator.setAttribute('hidden', 'true');
|
||||
|
||||
@ -219,10 +226,14 @@ var PDFView = {
|
||||
var thumbnails = this.thumbnails = [];
|
||||
for (var i = 1; i <= pagesCount; i++) {
|
||||
var page = pdf.getPage(i);
|
||||
pages.push(new PageView(container, page, i, page.width, page.height,
|
||||
page.stats, this.navigateTo.bind(this)));
|
||||
thumbnails.push(new ThumbnailView(sidebar, page, i,
|
||||
page.width / page.height));
|
||||
var pageView = new PageView(container, page, i, page.width, page.height,
|
||||
page.stats, this.navigateTo.bind(this));
|
||||
var thumbnailView = new ThumbnailView(sidebar, page, i,
|
||||
page.width / page.height);
|
||||
bindOnAfterDraw(pageView, thumbnailView);
|
||||
|
||||
pages.push(pageView);
|
||||
thumbnails.push(thumbnailView);
|
||||
var pageRef = page.ref;
|
||||
pagesRefMap[pageRef.num + ' ' + pageRef.gen + ' R'] = i;
|
||||
}
|
||||
@ -360,6 +371,8 @@ var PageView = function pageView(container, content, id, pageWidth, pageHeight,
|
||||
while (div.hasChildNodes())
|
||||
div.removeChild(div.lastChild);
|
||||
div.removeAttribute('data-loaded');
|
||||
|
||||
delete this.canvas;
|
||||
};
|
||||
|
||||
function setupLinks(content, scale) {
|
||||
@ -474,6 +487,7 @@ var PageView = function pageView(container, content, id, pageWidth, pageHeight,
|
||||
canvas.id = 'page' + this.id;
|
||||
canvas.mozOpaque = true;
|
||||
div.appendChild(canvas);
|
||||
this.canvas = canvas;
|
||||
|
||||
var textLayer = document.createElement('div');
|
||||
textLayer.className = 'textLayer';
|
||||
@ -491,7 +505,11 @@ var PageView = function pageView(container, content, id, pageWidth, pageHeight,
|
||||
ctx.translate(-this.x * scale, -this.y * scale);
|
||||
|
||||
stats.begin = Date.now();
|
||||
this.content.startRendering(ctx, this.updateStats, textLayer);
|
||||
this.content.startRendering(ctx, (function pageViewDrawCallback() {
|
||||
this.updateStats();
|
||||
if (this.onAfterDraw)
|
||||
this.onAfterDraw();
|
||||
}).bind(this), textLayer);
|
||||
|
||||
setupLinks(this.content, this.scale);
|
||||
div.setAttribute('data-loaded', true);
|
||||
@ -522,10 +540,9 @@ var ThumbnailView = function thumbnailView(container, page, id, pageRatio) {
|
||||
anchor.appendChild(div);
|
||||
container.appendChild(anchor);
|
||||
|
||||
this.draw = function thumbnailViewDraw() {
|
||||
if (div.hasChildNodes())
|
||||
return;
|
||||
this.hasImage = false;
|
||||
|
||||
function getPageDrawContext() {
|
||||
var canvas = document.createElement('canvas');
|
||||
canvas.id = 'thumbnail' + id;
|
||||
canvas.mozOpaque = true;
|
||||
@ -553,7 +570,28 @@ var ThumbnailView = function thumbnailView(container, page, id, pageRatio) {
|
||||
div.style.height = (view.height * scaleY) + 'px';
|
||||
div.style.lineHeight = (view.height * scaleY) + 'px';
|
||||
|
||||
return ctx;
|
||||
}
|
||||
|
||||
this.draw = function thumbnailViewDraw() {
|
||||
if (this.hasImage)
|
||||
return;
|
||||
|
||||
var ctx = getPageDrawContext();
|
||||
page.startRendering(ctx, function thumbnailViewDrawStartRendering() {});
|
||||
|
||||
this.hasImage = true;
|
||||
};
|
||||
|
||||
this.setImage = function thumbnailViewSetImage(img) {
|
||||
if (this.hasImage)
|
||||
return;
|
||||
|
||||
var ctx = getPageDrawContext();
|
||||
ctx.drawImage(img, 0, 0, img.width, img.height,
|
||||
0, 0, ctx.canvas.width, ctx.canvas.height);
|
||||
|
||||
this.hasImage = true;
|
||||
};
|
||||
};
|
||||
|
||||
@ -691,6 +729,10 @@ window.addEventListener('transitionend', function webViewerTransitionend(evt) {
|
||||
|
||||
var container = document.getElementById('sidebarView');
|
||||
container._interval = window.setInterval(function interval() {
|
||||
// skipping the thumbnails with set images
|
||||
while (pageIndex < pagesCount && PDFView.thumbnails[pageIndex].hasImage)
|
||||
pageIndex++;
|
||||
|
||||
if (pageIndex >= pagesCount) {
|
||||
window.clearInterval(container._interval);
|
||||
return;
|
||||
|
Loading…
Reference in New Issue
Block a user