java.awt.geom.AffineTransform > -----Original Message----- > From: Rimple, Ken [SMTP:[EMAIL PROTECTED] > Sent: Monday, October 06, 2003 14:10 > To: Paulo Soares; [EMAIL PROTECTED] > Subject: RE: [iText-questions] Some questions about PdfContentByte... > > Thanks for the help. > > I realize now that you just have to accept the origin of botton left. I > found > a reference to the PDF ref guide from Adobe, downloaded it, and now have a > better > idea of what's going on. Thanks very much! > > Is the AffineTransform a class in the released iText library? I couldn't > find > it in the JavaDoc. > > Ken > > > -----Original Message----- > From: Paulo Soares [mailto:[EMAIL PROTECTED] > Sent: Saturday, October 04, 2003 9:46 AM > To: Rimple, Ken; [EMAIL PROTECTED] > Subject: Re: [iText-questions] Some questions about PdfContentByte... > > > > ----- Original Message ----- > From: "Ken Rimple" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Friday, October 03, 2003 12:16 > Subject: [iText-questions] Some questions about PdfContentByte... > > > > I am generating a PDF report that has mixed landscape and portrait > > styles > > for various pages. > > For some pages, I'm importing the raw PDF of a page and drawing on top > > of > > it. For those pages: > > > > 1. Why is the origin 0,0 on the bottom left for text and graphics?? I > > was > > able to compensate > > for this for graphics by doing math (translate to doc height - (x + > > image size)) but doesn't > > seem to be all that easy for a font. > > That the way PDFs work. > > > 2. I attempted to understand the translation matrix but can't get it to > > make the origin top/left > > You can use an AffineTransform. > > > 3. It appears that I can't set font styles for a contentbyte.showText > > or > > showTextAligned--is > > this true? I need to overlay a bold font in some cases, maybe even > > an > > underlined one. I'm > > trying to do this with Arial, and it doesn't seem to take the > > font's > > style or size into account > > when I ask for the basefont (which is what PdfContentByte > > requires). > > > > You can do it with ColumnText.showTextAligned(). See the example > alignCT.java in itextpdf.sf.net. > > > Basically I got seduced into this library from the simple layout engine, > > but > > when I started using the absolute layout I got confused about these > > items. > > It's a great library, but I'm just trying to use the > > absolute positioning and am getting lost. The translation matrix stuff > > seems like voodoo for me > > (admittedly a math idiot) and all I want to do is think top/left for my > > coordinate system without > > doing a ton of work. Are these simple questions? I didn't find > > anything in > > the tutorial or examples > > that would help. > > It's a lot easier to accept the bottom left coordinate system than to do > it > the other way as fonts need a special treatment to keep them from showing > upside down. It can be done, of course. If you really want to do it see > PdfGraphics2D.java. > > Best Regards, > Paulo Soares >
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