init2

src/main/java/arcane/ui/util/GlowText.java

@@ -0,0 +1,114 @@
+package arcane.ui.util;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.font.FontRenderContext;
+import java.awt.font.LineBreakMeasurer;
+import java.awt.font.TextAttribute;
+import java.awt.font.TextLayout;
+import java.text.AttributedCharacterIterator;
+import java.text.AttributedString;
+import java.text.BreakIterator;
+import java.util.Locale;
+
+/**
+ * <p>GlowText class.</p>
+ *
+ * @author Forge
+ * @version $Id$
+ */
+public class GlowText extends JLabel {
+    /** Constant <code>serialVersionUID=-2868833097364223352L</code> */
+    private static final long serialVersionUID = -2868833097364223352L;
+    private int glowSize;
+    private Color glowColor;
+    private boolean wrap;
+
+    /**
+     * <p>setGlow.</p>
+     *
+     * @param glowColor a {@link java.awt.Color} object.
+     * @param size a int.
+     * @param intensity a float.
+     */
+    public void setGlow(Color glowColor, int size, float intensity) {
+        this.glowColor = glowColor;
+        this.glowSize = size;
+    }
+
+    /**
+     * <p>Setter for the field <code>wrap</code>.</p>
+     *
+     * @param wrap a boolean.
+     */
+    public void setWrap(boolean wrap) {
+        this.wrap = wrap;
+    }
+
+    /**
+     * <p>getPreferredSize.</p>
+     *
+     * @return a {@link java.awt.Dimension} object.
+     */
+    public Dimension getPreferredSize() {
+        Dimension size = super.getPreferredSize();
+        size.width += glowSize;
+        size.height += glowSize / 2;
+        return size;
+    }
+
+    /** {@inheritDoc} */
+    public void setText(String text) {
+        super.setText(text);
+    }
+
+    /** {@inheritDoc} */
+    public void paint(Graphics g) {
+        if (getText().length() == 0) return;
+
+        Graphics2D g2d = (Graphics2D) g;
+        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+        g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+
+        Dimension size = getSize();
+        int textX = 0, textY = 0;
+        int wrapWidth = Math.max(0, wrap ? size.width - glowSize : Integer.MAX_VALUE);
+
+        AttributedString attributedString = new AttributedString(getText());
+        attributedString.addAttribute(TextAttribute.FONT, getFont());
+        AttributedCharacterIterator charIterator = attributedString.getIterator();
+        FontRenderContext fontContext = g2d.getFontRenderContext();
+
+        LineBreakMeasurer measurer = new LineBreakMeasurer(charIterator, BreakIterator.getWordInstance(Locale.ENGLISH), fontContext);
+        int lineCount = 0;
+        while (measurer.getPosition() < charIterator.getEndIndex()) {
+            measurer.nextLayout(wrapWidth);
+            lineCount++;
+            if (lineCount > 2) break;
+        }
+        charIterator.first();
+        // Use char wrap if word wrap would cause more than two lines of text.
+        if (lineCount > 2)
+            measurer = new LineBreakMeasurer(charIterator, BreakIterator.getCharacterInstance(Locale.ENGLISH), fontContext);
+        else
+            measurer.setPosition(0);
+        while (measurer.getPosition() < charIterator.getEndIndex()) {
+            TextLayout textLayout = measurer.nextLayout(wrapWidth);
+            float ascent = textLayout.getAscent();
+            textY += ascent; // Move down to baseline.
+
+            g2d.setColor(glowColor);
+            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f));
+            textLayout.draw(g2d, textX + glowSize / 2 + 1, textY + glowSize / 2 - 1);
+            textLayout.draw(g2d, textX + glowSize / 2 + 1, textY + glowSize / 2 + 1);
+            textLayout.draw(g2d, textX + glowSize / 2 - 1, textY + glowSize / 2 - 1);
+            textLayout.draw(g2d, textX + glowSize / 2 - 1, textY + glowSize / 2 + 1);
+
+            g2d.setColor(getForeground());
+            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
+            textLayout.draw(g2d, textX + glowSize / 2, textY + glowSize / 2);
+
+            textY += textLayout.getDescent() + textLayout.getLeading(); // Move down to top of next line.
+        }
+    }
+}