So what you are saying is this:
If i decide to do any transformation on my image or other element this will
not work correctly?
I am aware i do have to adjust the matrix, but i was not aware i did have to
alter the bbox.(although i do understand why)
On Tue, May 6, 2008 at 3:33 PM, Leonard Rosenthol <[EMAIL PROTECTED]>
wrote:
> It's not the resources that are the issue - you are correct, you
> could leave them alone...
>
> It's the matrix and BBox that are most important, as those values are
> actually used when processing the content. So if you change the size
> and/or transformation of the content inside the XObject - it will NOT
> render correctly.
>
> Leonard
>
>
> On May 6, 2008, at 12:17 AM, [EMAIL PROTECTED] wrote:
>
> > Quoting Leonard Rosenthol <[EMAIL PROTECTED]>:
> >
> >> Provided that you replace the ENTIRE object (with all associated
> >> elements in the dictionary), then it should be fine to replace Form
> >> XObjects as well.
> >
> > Why is this important?
> >
> > Suppose that your original XObject uses a font Helvetica,
> > referred to in the XObject's content stream as /F0.
> > Then you replace this content stream and the new XObject
> > uses a font Times New Roman. If this font is referred to
> > as /F0, and you don't change the resources dictionary,
> > you won't see Times New Roman, but Helvetica (and it will
> > look ugly because the character advances in Helvetica are
> > different from those in Times New Roman).
> > More likely, the name used as a reference for the font will
> > be different (for instance /F1 instead of /F0); in that case
> > the PDF will be corrupt: if /F1 isn't present in the resources
> > Adobe Reader doesn't know which font you want to use.
> >
> > Fonts are only one type of resources. You can run in to
> > similar problems with other resources too. This is explained
> > in chapter 18 of the book "iText in Action".
> > --
> > This answer is provided by 1T3XT BVBA
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