Really interesting ! Thank you Latcho ! I just need to get Flash8 to do it.
Hope it works !
Latcho wrote:
that ought to be done with the class flash.display.BitmapData
Like this for loop you could pass it an array cwith rgb and even alpha
values.
The filesizes off the strings will be as big or bigger as bmp op png24 !
var canvas = new flash.display.BitmapData(50,50,true);
for ( var y:Number=0; y<50; y++ ) {
for ( var x:Number=0; x<50; x++ ) {
var alfa:Number = y*5;
var red:Number = x*5;
var green:Number = 250-(x*5);
var blue:Number = 250-(y*5);
var col:Number =
(alfa<<24)|(red<<16)|(green<<8)|(blue<<0);
canvas.setPixel32(x,y,col)
}
}
_root.createEmptyMovieClip("bmp", 1);
_root.bmp.attachBitmap(canvas, 2);
--->
And then you will realise soon enough that you will need something
like this:
(didn't test this myself though)
http://www.razorberry.com/blog/archives/2004/08/22/lzw-compression-methods-in-as2/
Regards,
Latcho
Chris Wilson wrote:
Good to know that's possible. How would you take the binary string
and have
flash treat it as a graphic?
-Chris
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Latcho
Sent: Monday, November 07, 2005 6:59 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] secure png
raw data: that IS possible ! Only compression get's lost, but you
could write your own serverside and clientside
compression and decompression algorithm. Good luck.
Chris Wilson wrote:
I see. Thanks for clarifying. I'm not sure how to disable the
caching,
unfortunately.
If there were a way to create an image in Flash using a raw binary data
string, you could read the png file and process it that way, thereby
probably bypassing any built-in file-based caching. I'm still
relatively
new to Flash, though, so that might not be possible.
Best of luck on it, though!
-Chris
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Maxime
Sent: Monday, November 07, 2005 6:05 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] secure png
The goal of the client is to customize an image with a lot of 3d
rendered png alpha layers. They don't care if the competitors do a
screen capture, they don't want their competitors to know how they
treat the image(alpha) for the layering of images.
Chris Wilson a écrit :
I don't know of a way to do that, but what's the point? All the
competitor
needs is a screen capture utility (or just <ctrl>-Print Screen in
Windows)
and the image is theirs...
-Chris
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Maxime
Sent: Monday, November 07, 2005 5:27 PM
To: flashcoders@chattyfig.figleaf.com
Subject: [Flashcoders] secure png
I would like to load png into flash 8 without having it in the
cache. My client don't want it competitors to have access to their
png so I have to find a way to load a png in flash securely. Is
there any solutions ?
Thanks
Maxime
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