Bug fixes and startup checks

[debian/openrocket] / src / net / sf / openrocket / gui / components / ResizeLabel.java

diff --git a/src/net/sf/openrocket/gui/components/ResizeLabel.java b/src/net/sf/openrocket/gui/components/ResizeLabel.java
new file mode 100644 (file)
index 0000000..0978252
--- /dev/null
+++ b/src/net/sf/openrocket/gui/components/ResizeLabel.java
@@ -0,0 +1,47 @@
+package net.sf.openrocket.gui.components;
+
+import java.awt.Font;
+import javax.swing.JLabel;
+
+/**
+ * A resizeable JLabel.  The method resizeFont(float) changes the current font size by the
+ * given (positive or negative) amount.  The change is relative to the current font size.
+ * <p>
+ * A nice small text is achievable by  <code>new ResizeLabel("My text", -2);</code>
+ * 
+ * @author Sampo Niskanen <sampo.niskanen@iki.fi>
+ */
+
+public class ResizeLabel extends JLabel {
+       
+       public ResizeLabel() {
+               super();
+       }
+       
+       public ResizeLabel(String text) {
+               super(text);
+       }
+       
+       public ResizeLabel(float size) {
+               super();
+               resizeFont(size);
+       }
+       
+       public ResizeLabel(String text, float size) {
+               super(text);
+               resizeFont(size);
+       }
+       
+       public ResizeLabel(String text, int horizontalAlignment, float size) {
+               super(text, horizontalAlignment);
+               resizeFont(size);
+       }
+       
+       
+       public void resizeFont(float size) {
+               Font font = this.getFont();
+               font = font.deriveFont(font.getSize2D()+size);
+               this.setFont(font);
+       }
+       
+}