I have images that I need to prevent the user from doing a right click and
selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com 11 3029
you cannot prevent it. you may take steps to make it more difficult but
there are always ways to get the picture. i'd suggest you copyright the
picture. if this doesn't work for you, handle the oncontextmenu event from
javascript which fires off when the right mouse button is clicked. there
won't be a menu so the picture won't be saved....for the most part.
a savvy user can always capture the entire screen and use paint to obtain
just the required pieces.
--
Regards,
Alvin Bruney [ASP.NET MVP]
Got tidbits? Get it here... http://tinyurl.com/3he3b
"moondaddy" <mo*******@nospam.com> wrote in message
news:%2******************@TK2MSFTNGP12.phx.gbl... I have images that I need to prevent the user from doing a right click and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
Or you can just turn off JavaScript and the context menu will always be
shown. Or you can view the document source, get the image URLs and navigate
the browser to them directly. Point being that it is not hard to get around
the programmatic restrictions.
In the end, it may be more trouble then it is worth to restrict the
downloading of the images. What you might do is place some kind of
watermark on the images to make it more difficult for the person to use on a
non-legitimate way.
"Alvin Bruney [MVP]" <vapor at steaming post office> wrote in message
news:O2**************@TK2MSFTNGP10.phx.gbl... you cannot prevent it. you may take steps to make it more difficult but there are always ways to get the picture. i'd suggest you copyright the picture. if this doesn't work for you, handle the oncontextmenu event from javascript which fires off when the right mouse button is clicked. there won't be a menu so the picture won't be saved....for the most part.
a savvy user can always capture the entire screen and use paint to obtain just the required pieces.
-- Regards, Alvin Bruney [ASP.NET MVP] Got tidbits? Get it here... http://tinyurl.com/3he3b "moondaddy" <mo*******@nospam.com> wrote in message news:%2******************@TK2MSFTNGP12.phx.gbl... I have images that I need to prevent the user from doing a right click
and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
Any web site which has right-click disabled is a sign of an amateur web
site. If your clients don't mind having that reputation, go right ahead.
There is simply no way to prevent pictures from being downloaded by the
browser. That is, after all, what a browser does. If you see it in the page,
it's already on your computer.
--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.
"Peter Rilling" <pe***@nospam.rilling.net> wrote in message
news:uY**************@TK2MSFTNGP10.phx.gbl... Or you can just turn off JavaScript and the context menu will always be shown. Or you can view the document source, get the image URLs and
navigate the browser to them directly. Point being that it is not hard to get
around the programmatic restrictions.
In the end, it may be more trouble then it is worth to restrict the downloading of the images. What you might do is place some kind of watermark on the images to make it more difficult for the person to use on
a non-legitimate way.
"Alvin Bruney [MVP]" <vapor at steaming post office> wrote in message news:O2**************@TK2MSFTNGP10.phx.gbl... you cannot prevent it. you may take steps to make it more difficult but there are always ways to get the picture. i'd suggest you copyright the picture. if this doesn't work for you, handle the oncontextmenu event
from javascript which fires off when the right mouse button is clicked. there won't be a menu so the picture won't be saved....for the most part.
a savvy user can always capture the entire screen and use paint to
obtain just the required pieces.
-- Regards, Alvin Bruney [ASP.NET MVP] Got tidbits? Get it here... http://tinyurl.com/3he3b "moondaddy" <mo*******@nospam.com> wrote in message news:%2******************@TK2MSFTNGP12.phx.gbl... I have images that I need to prevent the user from doing a right click and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
well i wouldn't go as far as saying it is amateur, i think that is overly
hash. OP probably needs to protect his IP thru copyrighting, that will give
some legal recourse, or the watermark is a good idea, although a good dose
of paintshop pro will remove the watermark.
--
Regards,
Alvin Bruney [ASP.NET MVP]
Got tidbits? Get it here... http://tinyurl.com/3he3b
"Kevin Spencer" <ke***@takempis.com> wrote in message
news:ev**************@TK2MSFTNGP10.phx.gbl... Any web site which has right-click disabled is a sign of an amateur web site. If your clients don't mind having that reputation, go right ahead. There is simply no way to prevent pictures from being downloaded by the browser. That is, after all, what a browser does. If you see it in the
page, it's already on your computer.
-- HTH, Kevin Spencer .Net Developer Microsoft MVP Big things are made up of lots of little things.
"Peter Rilling" <pe***@nospam.rilling.net> wrote in message news:uY**************@TK2MSFTNGP10.phx.gbl... Or you can just turn off JavaScript and the context menu will always be shown. Or you can view the document source, get the image URLs and navigate the browser to them directly. Point being that it is not hard to get around the programmatic restrictions.
In the end, it may be more trouble then it is worth to restrict the downloading of the images. What you might do is place some kind of watermark on the images to make it more difficult for the person to use
on a non-legitimate way.
"Alvin Bruney [MVP]" <vapor at steaming post office> wrote in message news:O2**************@TK2MSFTNGP10.phx.gbl... you cannot prevent it. you may take steps to make it more difficult
but there are always ways to get the picture. i'd suggest you copyright
the picture. if this doesn't work for you, handle the oncontextmenu event from javascript which fires off when the right mouse button is clicked.
there won't be a menu so the picture won't be saved....for the most part.
a savvy user can always capture the entire screen and use paint to obtain just the required pieces.
-- Regards, Alvin Bruney [ASP.NET MVP] Got tidbits? Get it here... http://tinyurl.com/3he3b "moondaddy" <mo*******@nospam.com> wrote in message news:%2******************@TK2MSFTNGP12.phx.gbl... > I have images that I need to prevent the user from doing a right
click and > selecting "Save Picture As"? How can I do this? > > -- > mo*******@nospam.com > >
moondaddy wrote: I have images that I need to prevent the user from doing a right click and selecting "Save Picture As"? How can I do this?
No can do. You can make it so the the majority of users cannot save it
(ie, through JavaScript as was mentioned), but if someone really wants to
save it, they will.
Think about it: You have to transfer the picture to the web browser so it
can be displayed, right? In that case it already is: 1) in the client
computer's memory, and 2) probably in a cache locally too.
If you want to see how else you can try to protect your picture post here.
--
gabriel
Yes, digital watermarks are the only possible means to any real kind of
protection. Of course, it doesn't stop someone from copying the images, but
it does make it possible to track them down and prosecute.
--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.
"Alvin Bruney [MVP]" <vapor at steaming post office> wrote in message
news:Oo**************@TK2MSFTNGP11.phx.gbl... well i wouldn't go as far as saying it is amateur, i think that is overly hash. OP probably needs to protect his IP thru copyrighting, that will
give some legal recourse, or the watermark is a good idea, although a good dose of paintshop pro will remove the watermark.
-- Regards, Alvin Bruney [ASP.NET MVP] Got tidbits? Get it here... http://tinyurl.com/3he3b "Kevin Spencer" <ke***@takempis.com> wrote in message news:ev**************@TK2MSFTNGP10.phx.gbl... Any web site which has right-click disabled is a sign of an amateur web site. If your clients don't mind having that reputation, go right ahead. There is simply no way to prevent pictures from being downloaded by the browser. That is, after all, what a browser does. If you see it in the page, it's already on your computer.
-- HTH, Kevin Spencer .Net Developer Microsoft MVP Big things are made up of lots of little things.
"Peter Rilling" <pe***@nospam.rilling.net> wrote in message news:uY**************@TK2MSFTNGP10.phx.gbl... Or you can just turn off JavaScript and the context menu will always
be shown. Or you can view the document source, get the image URLs and navigate the browser to them directly. Point being that it is not hard to get around the programmatic restrictions.
In the end, it may be more trouble then it is worth to restrict the downloading of the images. What you might do is place some kind of watermark on the images to make it more difficult for the person to
use on a non-legitimate way.
"Alvin Bruney [MVP]" <vapor at steaming post office> wrote in message news:O2**************@TK2MSFTNGP10.phx.gbl... > you cannot prevent it. you may take steps to make it more difficult but > there are always ways to get the picture. i'd suggest you copyright the > picture. if this doesn't work for you, handle the oncontextmenu
event from > javascript which fires off when the right mouse button is clicked. there > won't be a menu so the picture won't be saved....for the most part. > > a savvy user can always capture the entire screen and use paint to obtain > just the required pieces. > > -- > Regards, > Alvin Bruney [ASP.NET MVP] > Got tidbits? Get it here... > http://tinyurl.com/3he3b > "moondaddy" <mo*******@nospam.com> wrote in message > news:%2******************@TK2MSFTNGP12.phx.gbl... > > I have images that I need to prevent the user from doing a right click and > > selecting "Save Picture As"? How can I do this? > > > > -- > > mo*******@nospam.com > > > > > >
Here is solutions you might try.
1. Javaapplet showing the pictures.
2. Flash to show the pictures.
"moondaddy" <mo*******@nospam.com> wrote in message
news:%2******************@TK2MSFTNGP12.phx.gbl... I have images that I need to prevent the user from doing a right click and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
Just for giggles, I will often check out "image stopper" attempts.
Very few cannot be easily outwitted. If you are only interested in
keeping "honest people honest" then go for it. Otherwise, just figure
any image that you put on the web can be downloaded and work around
it. If you are putting copies of images you want money for, try
putting a complex watermark on the image. Also, make the image very
low resolution. It will keep people from being able to use it for
much, plus saves download time. The Flash option might work better
than the Java applet, but even then, there is always Alt-Print-Screen.
On Mon, 16 Feb 2004 17:04:43 -0500, "George Ter-Saakov"
<no****@hotmail.com> wrote: Here is solutions you might try.
1. Javaapplet showing the pictures. 2. Flash to show the pictures.
"moondaddy" <mo*******@nospam.com> wrote in message news:%2******************@TK2MSFTNGP12.phx.gbl. .. I have images that I need to prevent the user from doing a right click and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
Two words.....
screen capture
If you can see it, it is available to "steal".
--
Curt Christianson
Owner/Lead Developer, DF-Software www.Darkfalz.com
"George Ter-Saakov" <no****@hotmail.com> wrote in message
news:%2****************@tk2msftngp13.phx.gbl... Here is solutions you might try.
1. Javaapplet showing the pictures. 2. Flash to show the pictures.
"moondaddy" <mo*******@nospam.com> wrote in message news:%2******************@TK2MSFTNGP12.phx.gbl... I have images that I need to prevent the user from doing a right click
and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
"George Ter-Saakov" <no****@hotmail.com> wrote in news:#FcYFjN9DHA.3380
@tk2msftngp13.phx.gbl: Here is solutions you might try.
1. Javaapplet showing the pictures. 2. Flash to show the pictures.
The problem is that anyone can still just screenshot the picture. At most you
can protect against users who dont know very much. But anyone with even a
little bit of knowledge will easily be able to get the pictures one way or
another.
--
Chad Z. Hower (a.k.a. Kudzu) - http://www.hower.org/Kudzu/
"Programming is an art form that fights back"
> 1. Javaapplet showing the pictures. 2. Flash to show the pictures.
Can you say "Screen Capture?" (CTRL|PRINT SCREEN)
--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.
"George Ter-Saakov" <no****@hotmail.com> wrote in message
news:#F**************@tk2msftngp13.phx.gbl... Here is solutions you might try.
1. Javaapplet showing the pictures. 2. Flash to show the pictures.
"moondaddy" <mo*******@nospam.com> wrote in message news:%2******************@TK2MSFTNGP12.phx.gbl... I have images that I need to prevent the user from doing a right click
and selecting "Save Picture As"? How can I do this?
-- mo*******@nospam.com
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