Hy Paolo, I couldn't wait.... :)
And tried it... You made it, the images now show up!
(they do not support transparence).
http://www.hydrologis.com/testfiles/test.pdf
Inside the legend window I miss some strings... on what could that depend?
Lots of thanks for the help,
Sincerely
Andrea
On Friday 15 October 2004 11:53, Paulo Soares wrote:
> I know where the problem is. When you set the rectangle with a
> transparent color that transparency is also carried to the images.
> Here's the fix to be applied on itext-paulo-139 PdfGraphics2D:
>
> private boolean drawImage(Image img, Image mask, AffineTransform
> xform, Color bgColor, ImageObserver obs) {
> if (xform==null) return true;
>
> xform.translate(0, img.getHeight(obs));
> xform.scale(img.getWidth(obs), img.getHeight(obs));
>
> AffineTransform inverse = this.normalizeMatrix();
> AffineTransform flipper =
> AffineTransform.getScaleInstance(1,-1);
> inverse.concatenate(xform);
> inverse.concatenate(flipper);
>
> double[] mx = new double[6];
> inverse.getMatrix(mx);
> if (currentFillGState != 255) {
> PdfGState gs = fillGState[255];
> if (gs == null) {
> gs = new PdfGState();
> gs.setFillOpacity(1);
> fillGState[255] = gs;
> }
> cb.setGState(gs);
> }
>
> try {
> com.lowagie.text.Image image = null;
> if(!convertImagesToJPEG){
> image = com.lowagie.text.Image.getInstance(img,
> bgColor);
> }
> else{
> BufferedImage scaled = new
> BufferedImage(img.getWidth(null), img.getHeight(null),
> BufferedImage.TYPE_INT_RGB);
> Graphics2D g3 = scaled.createGraphics();
> g3.drawImage(img, 0, 0, img.getWidth(null),
> img.getHeight(null), null);
> g3.dispose();
>
> ByteArrayOutputStream baos = new
> ByteArrayOutputStream();
> com.sun.image.codec.jpeg.JPEGImageEncoder encoder =
> com.sun.image.codec.jpeg.JPEGCodec.createJPEGEncoder(baos);
> com.sun.image.codec.jpeg.JPEGEncodeParam param =
> com.sun.image.codec.jpeg.JPEGCodec.getDefaultJPEGEncodeParam(scaled);
> param.setQuality(jpegQuality, true);
> encoder.encode(scaled, param);
> scaled.flush();
> scaled = null;
> image =
> com.lowagie.text.Image.getInstance(baos.toByteArray());
>
> }
> if (mask!=null) {
> com.lowagie.text.Image msk =
> com.lowagie.text.Image.getInstance(mask, null, true);
> msk.makeMask();
> msk.setInvertMask(true);
> image.setImageMask(msk);
> }
> cb.addImage(image, (float)mx[0], (float)mx[1], (float)mx[2],
> (float)mx[3], (float)mx[4], (float)mx[5]);
> } catch (Exception ex) {
> throw new IllegalArgumentException();
> }
> if (currentFillGState != 255) {
> PdfGState gs = fillGState[currentFillGState];
> cb.setGState(gs);
> }
> return true;
> }
>
> Best Regards,
> Paulo Soares
>
> > -----Original Message-----
> > From: Andrea Antonello [mailto:[EMAIL PROTECTED]
> > Sent: Friday, October 15, 2004 6:13 AM
> > To: Paulo Soares; [EMAIL PROTECTED];
> > Leonard Rosenthol
> > Subject: Re: [iText-questions] problems with output
> >
> > Hy Paolo,
> >
> > > If you changed the top layer to be transparent it will show
> >
> > the pictures
> >
> > > below.
> >
> > I have no layer on top. There was a rectangle, which had
> > transparent fill.
> > However it was at the very bottom.
> > Anyway I now changed it to 4 lines to see if it is that and
> > the result doesn't
> > change:
> > http://www.hydrologis.com/testfiles/test.pdf
> >
> > which brings me back to what Leonard says:
> > > No, the pictures are drawn correctly in the
> >
> > correct "layer" - but
> >
> > > they have the wrong opacity set.
> > >
> > > I just changed the /ExtGState /ca value and they appeared
> > > correctly in Acrobat.
> >
> > In that case I don't understand what the opacity should mean.
> > Really the
> > alphablending? The blending is set by the same routine for
> > all the shapes. So
> > the images should really have no transparency set.
> > What you mean by opacity.
> >
> >
> > What do you think?
> >
> > Thanks for your help,
> > Andrea
> >
> >
> >
> > --
> > ______________________________________________________________
> > ______________
> > HydroloGIS - Environmental Open Source Solutions
> > www.hydrologis.com
> >
> > Andrea Antonello
> > Environmental Engineer
> > mobile: +393288497722
> >
> > "Let it be as much a great honour to take as to give learning,
> > if you want to be called wise."
> > Skuggsja' - The King's mirror - 1240 Reykjavik
> > ______________________________________________________________
> > ______________
--
____________________________________________________________________________
HydroloGIS - Environmental Open Source Solutions
www.hydrologis.com
Andrea Antonello
Environmental Engineer
mobile: +393288497722
"Let it be as much a great honour to take as to give learning,
if you want to be called wise."
Skuggsja' - The King's mirror - 1240 Reykjavik
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