There is some libraries that lets you run C++. So, it is it possible to run a game that uses directx full mode screen?
Google is developing a tool to allow this kind of thing via Chrome. It is called Chrome Native Client, or NACL for short. http://blog.chromium.org/2010/05/sneak-peek-at-native-client-sdk.html
In general, no. Most online games are written with Javascript, Flash, the newly hatchedd HTML5 and similar technologies. Perhaps C++ integration is possible on some level, but you definitely cannot write a browser-hosted game purely and entirely in C++.
it could also be done with an ActiveX control. ActiveX only works in IE. there are Netscape plugins that work in other browsers. so make a solution that contains both. you need a book on ActiveX/COM/OLE. Better yet, take a class if you can find one, you will learn far more, because COM is not an easy subject to just read about and then really do - versioning is a big problem.
nope, not supported in firefox. but read this: http://www.google.com/chrome/intl/en/webmasters-faq.html#activex
some people may have activex controls disabled. if this is the case, your game will not run. you will have to tell the user that they will need to change their security settings in IE. you can get feedback from the object element in javascript as to whether or not the activex loaded. there is code out there for that.
http://msdn.microsoft.com/en-us/library/7sw4ddf8%28v=vs.85%29.aspx
examples are all over the internet.
Related
I am planning to use yui or jquery ui as front end for native c++ applications. I found no bindings present for this purpose. Will it be feasible/possible to do this ? If it is so, then how shall i proceed? please suggest advice.thanks
#rwik - I can see your point and desire to do what you intend and I would presume it to be a wise move to be making at this point in time considering the vast facilities browsers bring to the table as well as other aspects... I know we are in September now and I have come across this pretty late, but this is also for others who have a similar problem...
As far as I know, descending from JavaScript in to C++ is pretty murky, mostly due to the heterogenous nature of Javascript engines [Rhino, Tracemonkey, Spidermonkey, V8, Caracan,Charka, etc] employed by different browsers. But there are indeed ways to do this - depending on how dirty you want to get your hands and, indeed, on your abilities...
If you were to go with Google as a browser, you should take a look at projects such as cproxyv8 - http://code.google.com/p/cproxyv8/ or v8-juice - http://code.google.com/p/v8-juice/ which both offer interesting facilities...
My preference however is with Mozilla - simply because of XML User-Interface Language (XUL) which, if you do not know, allows you to speedily create your own user interfaces by giving direct access to its layout engine. I.e., you can even do away with the browser look and have your own independent layout while still having all browser facilities at your disposal.
With respect to C++/Javascript interaction - projects should exist for all alternatives - it pays to check.
I wish you good luck if you haven't already solved this problem.
I'd recommend QT instead.
However since native C++ has nothing to do with GUI I'm going to assume you are making a library in C++. However Yui is basically just JavaScript as is jQuery. So if you're asking can a web page or script be a C++ application the answer is not really.
What you could do is create a web service which uses your C++ library and exposes an interface for your web based application to call it indirectly.
One way to accomplish this is to embed WebKit into your application and provide your custom C++ functionality via a plugin. Both the WebKit framework on OSX and the Chromium Embedded Framework on Windows allow this style of application development. This allows you to write a UI using local Javascript/HTML files without the need for a webserver.
There are no direct bindings in JQuery and YUI because these libraries run in a web browser. Thus unless you’re planning to write your own browser plugins, the integration with the C++ will happen at the webserver that serves the data to the browser.
You could feed the data from your C++ code directly into JQuery/YUI by building web services directly in C++. But you might want to build a web application that will be serving your JQuery/YUI pages and that act as user interface controller (like in the MVC pattern). Web application languages like Java, PHP, etc. all have ways to call native code. Java has JNDI and in PHP you build extensions that link to C++ code.
Since time immemorial I've been trying to avoid printing from my Windows-based applications due to the lack of native support for it. Whenever absolutely necessary I was resorting to dynamically making a simple HTML layout and then opening it in a web browser with a short Java Script in it to pop up a printing dialog for a user. Now I need to find something more substantial.
Let me explain. I have a project that deals with medical charts and it has to be able to print into those charts (at specific locations) as well as print on to a Letter/A4 size page in general. It also has to provide a preview of what is being printed in a paged-view environment.
In light of that I was wondering what is available from MFC/C++ environment (not C#) in regarding to printing?
PS. I was thinking to look into the RTF format but that seems like quite a daunting task, so I was also wondering, is there any libraries/already written code that can allow to compose/view/print RTFs? If not, what else is out there that can provide printing support like I explained above?
"lack of native support"? It's been covered by Petzold since forever, and it's integrated straight into GDI. Compared to UNIX, it's a complete breeze. And MFC makes it even easier.
Anyway, here's how you do print preview with MFC, and here's how you subsequently print. Lots of links from there, and it's all straightforward. Printers are just another Device Context on which you can draw.
I always found it very convenient to generate PDF files from my MFC/C++ application, There are many libraries out there which enable easy creation of PDF files, preview functionality and so on (also open source). I'm using this (also handles RTF):
PDF Library
There is no support like you call a framework method with some parameters and the framework prints a document or the content of a window for you. You need to manually draw everything on the printing device context. So as already said, you might find it more convenient to use a PDF generator, but of course that depends on your application requirements.
Please try www.oxetta.com , it's a free report builder solution that easily integrates into a C/C++ application.
Hey there,
So I've been heavily focused on design/development using web technology for the last few years (php/mysql, javascript, etc), and I'm a bit hesitant to start learning C++.. At the same time, I see it as a potentially enjoyable learning experience.
To keep things brief, right now I'm developing an online app that plots out certain locations on a map, and you can sort through these locations and do a bunch of other nifty things..sorry to be vague. The point is: I don't see any real advantages of making this an actual "app" when the entire functionality of the app itself can do quite fine through the modern mobile browser..
Not to mention that, by living in a browser, it's much less proprietary
So, my question is: Is there any way to make a simple app that's basically porting the user to my site? I guess it'd be convenient that as an app, the user has a nice little icon to click on when they do need to access it..
Android development relies heavily on Java. So you are all ready on the right track.
However if you just want to make an app that brings people to your website, running javascript I am guessing, this is easy to do with android.
Android supports the webkit browser and has a view group called WebView. Your app can be nothing more than a shortcut on a desktop that opens a webview directly pointed to your website. It could add other options to point to other parts of your website like bookmarks.
WebView webview = new WebView(this);
setContentView(webview);
weview.getSettings().setJavaScriptEnabled(true);
webview.loadUrl("yoursiteurlgoeshere);
A lot of apps on the market are actually based around a WebView. There are other classes that allow you more control over the view, like whether links are opened in the webview or in a new browser, or whether the user is allowed to use the resize options, etc.
Welcome to Android.
There is a massive article on exactly this type of idea. It discusses a number of different things and is well worth the read if you are indeed interested in making a cross-phone web-app. It talks about an html5 facility in the works for creating such a thing as you describe, but it isn't quite universal yet.
Here is an article on making an iphone app in html5.
You can also use phonegap to port your design to andorid.
also, check out a jquery plugin calld jqtouch if you are interseted in developing touch capable applications quickly.
If you are worried about speed and the issue of internet connectivity, you can use html5 local storage features which are available on both android and itouch. Ibm has a great series on these issues and part 2 covers local storage.
No. The problem with web technology on a mobile device is the delay. You are far away from the server, so a lot of the things you can easily do with a normal client creates a very bad user experience on a mobile device. The roundtrip time is simply too large. You have to move much more functionality to the client. This client is also less powerfull, and tends to have limits on caching large elements
How is this related to C++?
There is also a C++ API which is only recently available. Google calls it the NDK (Native Development Kit). Information about it can be found here: http://developer.android.com/sdk/ndk/index.html
I personally haven't developed using the NDK. The only real reason someone would really need to would be to write a high-performance application that can't stand the overhead of the Java JVM--which is getting more and more rare these days IMO.
As far as creating a simple app with a web container in it, see Phobos' response. That is exactly how I'd do it personally.
Is there a relatively easy way to display the output of a C++ program on a webpage? And I don't mean manually, in other words, you see it on a webpage as it runs not as in I make a code tag and write it in myself.
EDIT: Just so everybody can get this clear I am going to post this up here. I am NOT trying to make a webpage in C++. Please excuse me if this sounds spiteful or anything but I am getting a lot of answers relating to that.
Step one, get yourself a server-side language. Be that PHP, ASP, Python, Ruby, whatever. Get it set up so you can serve it.
Step two, find your language's exec equivalent. Practically all of them have them. It'll let you run a command as if it were from the command line, usually with arguments and capture the output. Here's PHP's:
http://php.net/manual/en/function.exec.php
Of course, if you're passing user-input as arguments, sanitise!
I've just seen that you accepted Scott's answer. I usually wouldn't chase up a SO thread so persistently but I fear you're about to make a mistake that you'll come to regret down the line. Giving direct access to your program and its own built-in server is a terrible idea for two reasons:
You waste a day implementing this built-in server and then getting it to persist and testing it
More importantly, you've just opened up another attack vector into your server. When it comes to security, keep it simple.
You're far better having your C++ app running behind another (mature) server side language as all the work is done for you and it can filter the input to keep things safe.
You could write a CGI app in C++, or you could use an existing web server language to execute the command and send the output to the client.
You want to use Witty.
Wt (pronounced 'witty') is a C++
library for developing interactive web
applications.
The API is widget-centric and similar
to desktop GUI APIs. To the developer,
it offers complete abstraction of any
web-specific implementation details,
including event handling, graphics
support, graceful degradation (or
progressive enhancement), and pretty
URLs.
Unlike many page-based frameworks, Wt
was designed for creating stateful
applications that are at the same time
highly interactive (leveraging
techinques such as AJAX to their
fullest) and accessible (supporting
plain HTML browsers), using automatic
graceful degradation or progressive
enhancement.
The library comes with an application
server that acts as a stand-alone web
server or integrates through FastCGI
with other web servers.
I am not sure this is what you are looking for but you may want CGI You may want to look at this SO question, C++ may not be the best language for what you want to do.
based off the questions you posted Writing a web app like what you want is no simple task. What I would recommend is use some other library (this is one i found with a quick google) to get a web console on your server and give the user it is running under execute deny permissions on every folder except the folder you have your app installed.
This is still is a risky method if you don't set up the security correctly but it is the easiest solution without digging around too much on existing libraries to just have the application interactive.
EDIT --
The "Best" solution is learn AJAX and have your program post its own pages with it but like I said, it will not be easy.
It sounds like you want something like a telnet session embedded in a webpage. A quick google turns up many Java telnet apps, though I'm not qualified to evaluate which would be most ideal to embed in html.
You would set up the login script on the host machine to run your c++ app and the user would interact with it through the shell window. Note though that this will only work for pure command line apps. If you want to use a GUI app in this way, then you should look into remote desktop software or VNC.
It may be worth looking into Adobe's "Alchemy" project on Adobe Labs
This may help you with what you're trying to achieve.
:)
Are you looking for something like what codepad.org does? I believe they explain how they did it here.
There is a library called C++ Server Pages - Poco. I used it for one of my college project, its pretty good. There is also good documentation to get started with, u can find it here http://pocoproject.org/docs/
I am curious to know if there is a way of connecting a flash front-end to a C++ driven backend? I'm not currently working on a project that involves this, but I found out about an application used in the gaming industry, called Scaleform, that requires knowledge on doing such things in order to create menus in games.
Another way to resolve the problem would be to create webservices using C++ and consume them on the flash side. It is a more naive approach and certainly not as good as Scaleform but it is certainly simpler to implement.
You could also have a look at FluorineFx which is an implementation of Flex/Flash Remoting services for the .NET framework. The project is open-source so it could help you get started. Basically, FluorinexFx catches the remote calls in AMF from the flash player and pipes it through the corresponding .NET method and corresponding arguments. It also helps you convert back to flash native .Net objects such as ArrayList, DataTable and even lists of typed objects.
Scaleform implement their own custom Flash Player, thats probably not what you had in mind.
What you can do in a reasonable amount of time is pretending to Adobes flash player that you are a NPAPI-compatible browser - see e.g. here how screenweaver-hx does it.