Hi, I tested on windows 7 , issue is not reproduced. Don't have Linux to test.
Maybe other member of team can do this. Regards On Wed, Nov 19, 2014 at 4:45 PM, Balchandra Vaidya < [email protected]> wrote: > > Hi Philippe, > > Here is the JBS ID - https://bugs.openjdk.java.net/browse/JDK-8065373. > Did you see this issue only on Mac OS or did you see it on another > OS/platform such as Windows? > > Thanks for reporting it. > > Regards, > Balchandra > > > > > On 11/19/14 03:11 PM, Philippe Mouawad wrote: > > Hi, > JI-9016915 Regards > Philippe > > On Wed, Nov 19, 2014 at 4:10 PM, Philippe Mouawad < > [email protected]> wrote: > >> Hello Rory, >> I posted a bug, waiting for mail notification. >> It seems bug appeared after Java 7 u40 as I just tested now with Java7 >> u71 and it is also broken there. >> I didn't test versions between 7u40 and 7u71. >> >> Regards >> Philippe >> >> On Wed, Nov 19, 2014 at 3:44 PM, Rory O'Donnell <[email protected] >> > wrote: >> >>> Hi Philippe, >>> >>> Can you log a Java Incident and send us the JI number ? >>> >>> Rgds,Rory >>> On 19/11/2014 14:36, Philippe Mouawad wrote: >>> >>>> Hello Rory, >>>> For information, I submitted this question on Swing-dev , I am not sure >>>> it >>>> is the right list, if so hope you can help. >>>> >>>> Regards >>>> Philippe >>>> ---------- Forwarded message ---------- >>>> From: Philippe Mouawad <[email protected]> >>>> Date: Wed, Nov 19, 2014 at 3:34 PM >>>> Subject: JAVA8u20 and JAVA8u25 Regression in Graphics2D drawing of >>>> derived >>>> Fonts ? >>>> To: [email protected] >>>> >>>> >>>> Hello, >>>> We had recently a report of a bug on Apache JMeter: >>>> >>>> - https://issues.apache.org/bugzilla/show_bug.cgi?id=57221 >>>> >>>> >>>> The bug only occurs on Java 8 (u20 and u25). >>>> >>>> We use jCharts library. >>>> >>>> I narrowed the bug and it seems to come from the way derived fonts are >>>> drawn: >>>> >>>> Library uses: >>>> >>>> public static final AffineTransform VERTICAL_ROTATION = >>>> AffineTransform.getRotateInstance( -Math.PI / 2 ); >>>> >>>> Then >>>> >>>> this.affineTransform= VERTICAL_ROTATION; >>>> this.font.deriveFont( this.affineTransform ) >>>> >>>> So I build a stupid and ugly isolated class to show issue, run it on >>>> Java 7 >>>> display is fine , run it on Java8 result is strange. >>>> >>>> package org.jCharts; >>>> >>>> import java.awt.Color; >>>> import java.awt.Dimension; >>>> import java.awt.Font; >>>> import java.awt.Graphics; >>>> import java.awt.Graphics2D; >>>> import java.awt.RenderingHints; >>>> import java.awt.font.FontRenderContext; >>>> import java.awt.font.LineMetrics; >>>> import java.awt.geom.AffineTransform; >>>> import java.awt.geom.GeneralPath; >>>> import java.awt.geom.Rectangle2D; >>>> >>>> import javax.swing.JFrame; >>>> import javax.swing.JPanel; >>>> >>>> public class Test extends JPanel { >>>> Rectangle2D.Float rect = new Rectangle2D.Float(200, 200, 220, 35); >>>> // float theta = 1.1748778437843f; >>>> double theta = Math.PI / 6; >>>> >>>> @Override >>>> protected void paintComponent(Graphics g) { >>>> super.paintComponent(g); >>>> Graphics2D g2 = (Graphics2D) g; >>>> g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, >>>> RenderingHints.VALUE_ANTIALIAS_ON); >>>> g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, >>>> RenderingHints.VALUE_FRACTIONALMETRICS_ON); >>>> g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, >>>> RenderingHints.VALUE_STROKE_PURE); >>>> g2.setPaint(Color.blue); >>>> Font font = g2.getFont().deriveFont(18f); >>>> g2.setFont(font); >>>> FontRenderContext frc = g2.getFontRenderContext(); >>>> String s = "This text should be rotated"; >>>> float width = (float) font.getStringBounds(s, frc).getWidth(); >>>> LineMetrics lm = font.getLineMetrics(s, frc); >>>> float height = lm.getAscent() + lm.getDescent(); >>>> // Scale text into rect. >>>> float xScale = rect.width / width; >>>> float yScale = rect.height / height; >>>> float scale = (xScale > yScale) ? yScale : xScale; >>>> // Locate string origin. >>>> double x = rect.x; >>>> double y = rect.y + (rect.height + scale * height) / 2 - scale >>>> * lm.getDescent(); >>>> AffineTransform at = AffineTransform.getTranslateInstance(x, >>>> y); >>>> at.scale(scale, scale); >>>> AffineTransform rotator = new AffineTransform(); >>>> rotator.rotate(theta, rect.getCenterX(), rect.getCenterY()); >>>> GeneralPath rect2 = new GeneralPath( >>>> rotator.createTransformedShape(rect)); >>>> // Draw with no rotation. >>>> g2.draw(rect); >>>> g2.setPaint(Color.red); >>>> g2.setFont(font.deriveFont(at)); >>>> g2.drawString(s, 0, 0); >>>> // Rotate once. >>>> g2.setPaint(Color.blue); >>>> g2.draw(rect2); >>>> rotator.concatenate(at); >>>> g2.setFont(font.deriveFont(rotator)); >>>> g2.setPaint(Color.red); >>>> g2.drawString(s, 0, 0); >>>> // Rotate again. >>>> rotator.setToIdentity(); >>>> rotator.rotate(2 * theta, rect.getCenterX(), >>>> rect.getCenterY()); >>>> rect2 = new GeneralPath(rotator.createTransformedShape(rect)); >>>> g2.setPaint(Color.blue); >>>> g2.draw(rect2); >>>> rotator.concatenate(at); >>>> g2.setFont(font.deriveFont(rotator)); >>>> g2.setPaint(Color.red); >>>> g2.drawString(s, 0, 0); >>>> // Check scaled string bounds. >>>> // this was handled by the fractional metrics rendering hint >>>> } >>>> >>>> public static void main(String[] args) { >>>> Test test = new Test(); >>>> test.setPreferredSize(new Dimension(800, 600)); >>>> JFrame f = new JFrame(); >>>> f.getContentPane().add(test); >>>> f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); >>>> f.pack(); >>>> f.setVisible(true); >>>> } >>>> } >>>> >>>> Regards >>>> Philippe M. >>>> >>>> >>>> >>>> >>> -- >>> Rgds,Rory O'Donnell >>> Quality Engineering Manager >>> Oracle EMEA , Dublin, Ireland >>> >>> >> >> >> -- >> Cordialement. >> Philippe Mouawad. >> >> >> > > > -- > Cordialement. > Philippe Mouawad. > > > > -- Cordialement. Philippe Mouawad.
