I tried the following but the image now no longer draws...
AffineTransform at = new AffineTransform(rect.getWidth(), 0, 0,
rect.getHeight(), rect.getLowerLeftX(), rect.getLowerLeftY());
PDPageContentStream canvas = new PDPageContentStream(document, page,
PDPageContentStream.AppendMode.APPEND, true, true);
at.rotate(Math.toRadians(90));
canvas.saveGraphicsState();
canvas.transform(new Matrix(at));
canvas.drawImage(ximage, rect.getLowerLeftX(), rect.getLowerLeftY());
canvas.restoreGraphicsState();
canvas.close();
Did I misunderstand something?
As for the imaging squishing I am seeing. It looks to me like the rectangle
size / position of the image non rotated stays exactly the same but the
contents are rotated and squished. I can send you a couple pdfs showing what I
mean (direct email?). And maybe that is how it is supposed to work, but I would
of expected the image to look exactly the same just rotated. In case of 90
degrees, like the example above, I would of expect simply the width to become
the height and the height to become the width.
-----Original Message-----
From: Tilman Hausherr [mailto:[email protected]]
Sent: Friday, March 04, 2016 2:44 PM
To: [email protected]
Subject: Re: drawing images with rotation PDFBox 2.0
Am 04.03.2016 um 20:35 schrieb Stahle, Patrick:
> Hi,
>
> I am struggling with rotating an image. For instance I have the following
> code:
> AffineTransform at = new AffineTransform(rect.getWidth(), 0, 0,
> rect.getHeight(), rect.getLowerLeftX(), rect.getLowerLeftY());
> PDPageContentStream canvas = new PDPageContentStream(document, page,
> PDPageContentStream.AppendMode.APPEND, true, true);
> at.rotate(Math.toRadians(90));
> canvas.drawXObject(ximage, at);
> canvas.close();
>
> It seems to work, but not the way I would've expected it to. It rotates the
> image but keeps the original boxed rectangle size which in this case
> squishing the image. Is this expected behavior, and if so is there way for an
> image to rotate and keep the sizing? I kind of hoped it work the same way as
> rotating text...
Sorry I don't understand you... why should it not keep the size?
>
> Also on a PDFBox 2.0 note, the "PDPageContentStream -> drawXObject' is
> deprecated and the source says to use drawImage instead. However I was not
> able to find a drawImage method that takes AffineTransform. What is the
> recommended way to do this in 2.0 going forward?
saveGraphicsState();
transform(new Matrix(transform)); <== do the rotation only
drawImage() <=== here just set the position
restoreGraphicsState();
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