AfflictionNetworks/samskivert
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Render styled text directly rather than fiddling with x and y to center

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them on the primary text; account for some fiddliness with right aligned
text and less than a single pixel of extra space. Rendering text at x +
0.3, say, would some times shift it over an entire pixel to x + 1. Whee!


git-svn-id: https://samskivert.googlecode.com/svn/trunk@965 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
mdb
2002-12-06 22:17:50 +00:00
parent 2c19f33032
commit 8798a1bfff
1 changed files with 18 additions and 35 deletions
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projects/samskivert/src/java/com/samskivert/swing/Label.java
+18 -35
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@@ -1,5 +1,5 @@
//
// $Id: Label.java,v 1.30 2002/12/06 21:52:35 mdb Exp $
// $Id: Label.java,v 1.31 2002/12/06 22:17:50 mdb Exp $
//
// samskivert library - useful routines for java programs
// Copyright (C) 2002 Michael Bayne
@@ -432,36 +432,13 @@ public class Label implements SwingConstants, LabelStyleConstants
gfx.setColor(_textColor);
}
switch (_style) {
case OUTLINE:
// shift everything over and down by one pixel if we're outlining
x += 1;
y += 1;
break;
case SHADOW:
// shift everything over and up by one pixel if we're drawing
// with a shadow
x += 1;
y -= 1;
break;
case BOLD:
// shift everything over one pixel if we're drawing in bold
x -= 1;
break;
default:
break;
}
// render our text
for (int i = 0; i < _layouts.length; i++) {
TextLayout layout = _layouts[i];
Rectangle2D lbounds = _lbounds[i];
y += layout.getAscent();
float extra = (float)(_size.width - getWidth(lbounds));
float extra = (float)Math.floor(_size.width - getWidth(lbounds));
float rx = x;
switch (_align) {
case -1: rx = x + (layout.isLeftToRight() ? 0 : extra); break;
@@ -470,41 +447,47 @@ public class Label implements SwingConstants, LabelStyleConstants
case CENTER: rx = x + extra/2; break;
}
// System.out.println("line " + i + " x: " + x + " y: " + y +
// " rx: " + rx + " width: " + _size.width +
// " lwidth: " + getWidth(lbounds) +
// " extra: " + extra);
switch (_style) {
case OUTLINE:
// render the outline using the hacky, but much nicer than
// using "real" outlines (via TextLayout.getOutline), method
Color textColor = gfx.getColor();
gfx.setColor(_alternateColor);
layout.draw(gfx, rx - 1, y - 1);
layout.draw(gfx, rx - 1, y);
layout.draw(gfx, rx - 1, y + 1);
layout.draw(gfx, rx, y - 1);
layout.draw(gfx, rx, y);
layout.draw(gfx, rx, y + 1);
layout.draw(gfx, rx + 1, y - 1);
layout.draw(gfx, rx, y + 2);
layout.draw(gfx, rx + 1, y);
layout.draw(gfx, rx + 1, y + 1);
layout.draw(gfx, rx + 1, y + 2);
layout.draw(gfx, rx + 2, y);
layout.draw(gfx, rx + 2, y + 1);
layout.draw(gfx, rx + 2, y + 2);
gfx.setColor(textColor);
layout.draw(gfx, rx + 1, y + 1);
break;
case SHADOW:
textColor = gfx.getColor();
gfx.setColor(_alternateColor);
layout.draw(gfx, rx - 1, y + 1);
layout.draw(gfx, rx, y + 1);
gfx.setColor(textColor);
layout.draw(gfx, rx + 1, y);
break;
case BOLD:
layout.draw(gfx, rx, y);
layout.draw(gfx, rx + 1, y);
break;
default:
layout.draw(gfx, rx, y);
break;
}
// and draw the text itself
layout.draw(gfx, rx, y);
y += layout.getDescent() + layout.getLeading();
}