Hi Dominik,
Yeah, we can't seem to figure out why it isn't working. We had an idea to
create a rectangle annotation, make it thin enough to have the appearance
of a line, and then rotate it to match the line's points, but I can't for
the life of me figure out where to set or get the transformation matrix for
annotations. Any ideas where this can be done?
Thanks,
Eric
On Sat, May 12, 2012 at 4:55 AM, Dominik Seichter <
[email protected]> wrote:
> Hi Eric,
>
> I am not sure if the annotation API is so complete. Sometimes it is a
> good idea to first look the annotation kind up in the PDF Reference
> from Adobe and see what objects and dictionary params you need.
> Afterwards you can compare it to the objects generated by
> PdfAnnotation.
>
> Cheers,
> Dominik
>
> On Fri, May 11, 2012 at 10:22 PM, Eric Patton <[email protected]> wrote:
> > Hi! My colleagues and I are writing an iOS application to draw
> annotations
> > onto PDFs on the device, and ,after some trouble getting everything to
> > compile, we have it working pretty great with PoDoFo!
> >
> > We have all of our annotation types drawing onto the PDF except for one;
> the
> > line annotation. We are storing our annotation line as a custom class
> with a
> > PointA and PointB for the start and end of the line as well as a bounding
> > rectangle, but there doesn't seem to be anywhere to actually specify the
> two
> > points with the ePdfAnnotation_Line creation. This is how we're
> attempting
> > to create the line right now:
> >
> >> PdfAnnotation *annot;
> >>
> >> AMLine *line = (AMLine *)annotation;
> >>
> >> float minX = MIN(line.pointA.x, line.pointB.x);
> >>
> >> float minY = MIN(line.pointA.y, line.pointB.y);
> >>
> >> float maxX = MAX(line.pointA.x, line.pointB.x);
> >>
> >> float maxY = MAX(line.pointA.y, line.pointB.y);
> >>
> >> PdfRect bounds(minX, minY, maxX - minX, maxY - minY);
> >>
> >> annot = page->CreateAnnotation(ePdfAnnotation_Line, bounds);
> >
> >
> > We can't find anything that we can do differently that will get this to
> > actually draw the line. Is there something special that needs to be done
> for
> > line annotations?
> >
> > Thank you,
> >
> > Eric
> >
> >
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