hi bruno .
can u let me know where can i get more reference about the parameters of
this method.
here i am attcahing the image which i want to make transparent .
i have created this image in paint and saved as JPG
when i pass the parameter as Image.setTransparency(new int[]( 0xF0
, 0xFF ))
i am not able to see the image in my pdf .
On 6/19/08, Bruno Lowagie <[EMAIL PROTECTED]> wrote:
>
> answers solutions wrote:
> > Hi
> >
> > wht are the parameters i should pass to the method
> > Image.setTransparency(new int[]( , ))
> >
> > . inorder to make a image with backgroung to be transparent .
> >
> > i am placing this image against a image which has a white background .
>
> It depends on your image. Let me quote the PDF Reference:
>
> "For color key masking, the value of the Mask entry is an array of
> 2 x n integers, [ min1 max1 ... minn maxn ], where n is the number
> of color components in the image's color space. Each integer must be
> in the range 0 to 2BitsPerComponent - 1, representing color values
> before decoding with the Decode array. An image sample is masked
> (not painted) if all of its color components before decoding,
> c1 ... cn, fall within the specified ranges (that is, if mini <= ci
> <= maxi for all 1 <= i <= n)."
>
> I used images with 1 color component, and 256 possible color
> values (8 bits). All the background colors in my images are
> in the higher ranges (I took the range between 0xF0 and 0xFF);
> but it really depends on the images. That's why I asked how
> the images you have to use are produced (but you didn't answer
> that important question; you expect us to answer, but you are
> very unclear yourself).
>
> Your alternative would be to use JAI to preprocess your images
> before adding them to iText. But this is not a JAI mailing list.
> So you have to look elsewhere if you want to discover that path.
>
> I also told you that I think the design you are trying to
> implement has many flaws. People often think I'm saying stuff
> like that to insult them, but... well, if a design has flaws,
> why can't I say so? Why do you keep on pushing for more answers
> when you know that it's very probable that you are on the wrong
> track? Most of the developers I know would go to their project
> leader and say: "we need to reconsider our design."
>
> A while ago, I've been contacted by a developer just like you.
> The developer told me for which company he worked.
>
> Although the developer lived in an Asian country, his employer
> was Belgian. So I contacted the Belgian project manager and
> I explained the problem. He told me the project was done
> the offshore company was going beyond its deadlines and that
> caused a lot of stress both in Belgium as well as in India.
>
> This stress could have been avoided if only the communication
> had been better. I mean: all I had to do was explain that there
> was a flaw in the design. The design was adapted and the problem
> was solved in far less time than expected. (Needless to say that
> a lot of time was wasted because of the bad communication.)
>
> If you want to help yourself, you should start answering
> questions too: are you an offshore developer? what company
> are you working for?
>
> Otherwise, you give the impression that you are benefiting
> from the delay (for instance if you are paid by the hour).
> In that case, we can help you by stop answering your questions
> so that it takes longer for you to find a solution.
>
> best regards,
> Bruno
>
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