Jens,
Thanks for your detailed email. I need to investigate this but it
looks like a bug.
Vincent.
> Jens von Pilgrim wrote:
>
> Hello,
>
> I've got a little question concering affine transformations such as
> rotation.
>
> There are (at least) two possibilities for performing an affine
> transformation on a text: 1) Creating a rotated font or 2) "rotate"
> the graphics.
>
> The following code snippet illustrates both possiblities:
>
> ----------------8X--------------------8X-------------------
> public void paint(Graphics io_Graphics) {
> java.awt.Graphics2D g2d = (java.awt.Graphics2D) io_Graphics;
>
> AffineTransform origAT = g2d.getTransform();
> Font origFont = g2d.getFont();
> g2d.setColor(Color.blue);
>
> // 1) create rotated font
> AffineTransform at = new AffineTransform();
> at.rotate(Math.toRadians((double) 45d));
> Font rotatedFont = origFont.deriveFont(at);
> g2d.setFont(rotatedFont);
> g2d.drawString("Hello World by font.rotate", 40, 60);
> g2d.setFont(origFont);
>
> // restore
> g2d.setTransform(origAT);
> g2d.setFont(origFont);
> g2d.setColor(Color.red);
>
> // 2) rotate graphics
> g2d.rotate(Math.toRadians((double) 45d), 40, 60);
> g2d.drawString("Hello World by graphics.rotate", 40, 60);
>
> g2d.setTransform(origAT);
> }
> ----------------8X--------------------8X-------------------
>
> Using an AWT graphics object (java.awt.Graphics) both fragments
> produce the same rotation - the results are printed overlapped.
>
> Using a SVGGraphics2D object, only the 2nd way performs the rotation,
> the 1st way does _not_ rotate the font! OK, I can use the 2nd variant
> in my code, but not if I use third party code...
>
> This means, the AWT and SVG results differ! Is this a bug (or missing
> feature) of the Batik (1.0 and 1.1RC3) generator?
>
> jens
>
> ____________________________________________________________
> Jens von Pilgrim
> 4flow AG
> Berlin, Germany
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