Bug ID: JDK-8210058 Algorithmic Italic font leans opposite angle in Printing

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JDK 11	JDK 13	JDK 14	Other
11.0.7Fixed	13.0.4Fixed	14 b26Fixed	openjdk8u322Fixed

Many Japanese and Chinese fonts don't have Oblique style glyph, and algorithmic styling is used.
When we print characters with algorithmic Italic style and AlphaComposite, the characters leaned opposite angle (top-left to bottom-right).

This problem occurs only for printing, not on screen.

At the beginning, I thought it's FreeType library's problem and reported it to them.
https://savannah.nongnu.org/bugs/index.php?54565
But, they indicated their behavior was correct because Java code mirrored the image instead of 180 degree rotation.

Recreate steps:
1. Download and install IPAMincho font.
2. Compile and launch the attached sample code, Outline.java.
3. Mark "Print to File" checkbox
4. Print
5. Check out.ps file

Fix Request (8u) Request to backport the fix for freetype scaler to 8u. The fix applies cleanly after path shuffling. The reg test fails without the fix and passes with the fix, running test/java/awt/font tests doesn’t report any issue.
01-10-2021
Fix request (13u) Applicable for 13u as well. The patch applies cleanly, I'll push after the longer test run is finished.
04-06-2020
Hi Toshio, I'll take care of the fix - run it through our CI and then approve/push it. Best regards Christoph
25-01-2020
Fix Request Backporting this patch eliminates incorrect printing image of italic styled font. Our customer originally reported this problem with 11, and we'd like to backport it. Patch applies cleanly (including Binary file test/jdk/java/awt/font/Rotate/A.ttf) tier1 and test/jdk/java/awt/font tests pass with the patch. (I'm not a committer. I'd like to ask a sponsor to push it if it's approved.)
21-01-2020
Hi Dmitry, Thank you for fixing our problem!
09-12-2019
URL: https://hg.openjdk.java.net/jdk/jdk/rev/327b35573471 User: psadhukhan Date: 2019-12-03 07:13:08 +0000
03-12-2019
URL: https://hg.openjdk.java.net/jdk/client/rev/327b35573471 User: jdv Date: 2019-11-27 11:10:15 +0000
27-11-2019
It can also be reproduced when drawing on screen: {code} public class RotatedItalicsTest { public static void main(String[] args) { SwingUtilities.invokeLater(() -> new RotatedItalicsTest().initGUI()); } private void initGUI() { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); frame.add(new MyComponent()); frame.setSize(250, 250); frame.setVisible(true); frame.setLocationRelativeTo(null); } private static class MyComponent extends JComponent { @Override protected void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g; g2d.rotate(Math.PI / 2); g2d.setFont(new Font("Tahoma", Font.ITALIC, 48)); g2d.drawString("ABC", 50, -100); } } } {code}
20-08-2019
Similar problem can be observed on Windows when printing to 'Microsoft Print to PDF' destination in landscape mode. Reproducer source code (LandscapePrintTest.java) and output (LandscapePrintTest.pdf) are attached. Produced glyphs are inclined along the wrong axis.
19-08-2019

Duplicate :	JDK-8247293 - Rotated text does not italicize correctly in JDK 11 with added Fonts folder with lucida fonts
Relates :	JDK-8300014 - Some backports placed the tests in the wrong location