From 7d35f546123e2db5d07a4567e646c7e59795d77f Mon Sep 17 00:00:00 2001
From: stepan <stepan.sindelar@oracle.com>
Date: Tue, 13 Jun 2017 11:41:26 +0200
Subject: [PATCH] FastR Grid: fix real unit conversions for Graphics2DDevice.
---
.../r/library/fastrGrid/device/awt/Graphics2DDevice.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/device/awt/Graphics2DDevice.java b/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/device/awt/Graphics2DDevice.java
index e29477b675..a363fbd189 100644
--- a/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/device/awt/Graphics2DDevice.java
+++ b/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/device/awt/Graphics2DDevice.java
@@ -30,9 +30,11 @@ import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
+import java.awt.GraphicsEnvironment;
import java.awt.Paint;
import java.awt.RenderingHints;
import java.awt.Shape;
+import java.awt.Toolkit;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Path2D;
@@ -59,7 +61,7 @@ public class Graphics2DDevice implements GridDevice {
// may wish to apply his/her own transformations to the graphics object and we should not
// interfere with these. In cases we do use transformation, we make sure to set back the
// original one after we're done.
- static final double AWT_POINTS_IN_INCH = 72.;
+ static final double AWT_POINTS_IN_INCH = GraphicsEnvironment.isHeadless() ? 72. : Toolkit.getDefaultToolkit().getScreenResolution();
private static BasicStroke blankStroke;
--
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