AfflictionNetworks/samskivert
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Changed the way outlines are rendered. Using TextLayout.getOutline() is

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more correct but results in a crappy outline on anything less than an
extraordinarily large font. The "draw the same text offset by one pixel in
each of the four directions" method results in much more readable results
with sensibly sized fonts.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@626 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
mdb
2002-03-03 07:03:20 +00:00
parent 8772250d6f
commit 3b311d39a8
1 changed files with 34 additions and 1 deletions
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projects/samskivert/src/java/com/samskivert/swing/Label.java
+34 -1
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@@ -1,17 +1,20 @@
//
// $Id: Label.java,v 1.4 2001/12/20 02:00:12 mdb Exp $
// $Id: Label.java,v 1.5 2002/03/03 07:03:20 mdb Exp $
package com.samskivert.swing;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.font.TextLayout;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
@@ -71,6 +74,18 @@ public class Label implements SwingConstants
_font = font;
}
/**
* Instructs the label to render the text outlined in the specified
* color when rendering. The text itself will be rendered in whatever
* color is currently set in the graphics context, but the outline
* will always be in the specified color. Set the outline color to
* <code>null</code> to disable outlining (which is the default).
*/
public void setOutlineColor (Color color)
{
_outlineColor = color;
}
/**
* Sets the alignment of the text within the label to either {@link
* SwingConstants#LEFT}, {@link SwingConstants#RIGHT}, or {@link
@@ -231,7 +246,21 @@ public class Label implements SwingConstants
case CENTER: dx = extra/2; break;
}
// render the outline using the hacky, but much nicer than
// using "real" outlines (via TextLayout.getOutline), method
if (_outlineColor != null) {
Color old = gfx.getColor();
gfx.setColor(_outlineColor);
layout.draw(gfx, x + dx - 1, y - 1);
layout.draw(gfx, x + dx - 1, y + 1);
layout.draw(gfx, x + dx + 1, y + 1);
layout.draw(gfx, x + dx + 1, y - 1);
gfx.setColor(old);
}
// and draw the text itself
layout.draw(gfx, x + dx, y);
y += layout.getDescent() + layout.getLeading();
}
}
@@ -277,4 +306,8 @@ public class Label implements SwingConstants
/** Formatted text layout instances that contain each line of text. */
protected TextLayout[] _layouts;
/** The color in which to outline the text when rendering or null if
* the text should not be outlined. */
protected Color _outlineColor = null;
}