Create JThumbnail.java

JThumbnail.java

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+import java.awt.Image;
+
+import javax.swing.ImageIcon;
+import javax.swing.JLabel;
+
+public class JThumbnail extends JLabel {
+	/*
+	 * JThumbnail
+	 *  A custom made "JClass" to implement ImageIcon in a JLabel without too much hassle.
+	 *  Includes auto resize-to-fit capabilities.
+	 *  https://github.com/MatMasIt/JThumbnail
+	 *  Available under MIT License
+	 */
+	private ImageIcon i;
+	private String path, description;
+	private int w,h;
+
+
+/** 
+ *
+ *  JThumbnail
+ *
+ * @param path  the path
+ * @param description  the description
+ * @param w  the width
+ * @param h  the height
+ */
+	public JThumbnail(String path, String description, int w, int h) { 
+
+		this.i = new ImageIcon(path, description);
+		this.path = path;
+		this.description = description;
+		this.w=w;
+		this.h=h;
+		this.i=scaleImage(this.i,this.w,this.h);
+		this.setIcon(this.i);
+	}
+	
+
+/** 
+ *
+ * Gets the path
+ *
+ * @return the path
+ */
+	public String getPath() { 
+
+		return path;
+	}
+
+
+/** 
+ *
+ * Sets the path and updates the thumbnail accodringly
+ *
+ * @param path  the path
+ */
+	public void setPath(String path) { 
+
+		this.path = path;
+		ImageIcon i2 = new ImageIcon(path, this.description);
+		this.i = i2;
+		this.i=scaleImage(this.i,this.w,this.h);
+		this.setIcon(this.i);
+	}
+
+
+/** 
+ *
+ * Gets the description 
+ *
+ * @return the description
+ */
+	public String getDescription() { 
+
+		return description;
+	}
+
+
+/** 
+ *
+ * Sets the description
+ *
+ * @param description  the description
+ */
+	public void setDescription(String description) { 
+
+		this.description = description;
+		ImageIcon i2 = new ImageIcon(this.path, description);
+		this.i = i2;
+		this.i=scaleImage(this.i,this.w,this.h);
+		this.setIcon(this.i);
+	}
+
+
+/** 
+ *
+ * Gets the Width
+ *
+ * @return the  Width
+ */
+	public int getW() { 
+
+		return w;
+	}
+
+
+/** 
+ *
+ * Sets the Width
+ *
+ * @param w  the witdh
+ */
+	public void setW(int w) { 
+
+		this.w = w;
+		this.i=scaleImage(this.i,this.w,this.h);
+		this.setIcon(this.i);
+	}
+
+
+/** 
+ *
+ * Gets the Height
+ *
+ * @return the  Heigth
+ */
+	public int getH() { 
+
+		return h;
+	}
+
+
+/** 
+ *
+ * Sets the Height
+ *
+ * @param h  the height
+ */
+	public void setH(int h) { 
+
+		this.h = h;
+		this.i=scaleImage(this.i,this.w,this.h);
+		this.setIcon(this.i);
+	}
+
+
+/** 
+ *
+ * Scale image
+ *
+ * @param icon  the icon
+ * @param w  the width
+ * @param h  the heigth
+ * @return ImageIcon
+ */
+	public ImageIcon scaleImage(ImageIcon icon, int w, int h) { 
+
+		int nw = icon.getIconWidth();
+		int nh = icon.getIconHeight();
+
+		if (icon.getIconWidth() > w) {
+			nw = w;
+			nh = (nw * icon.getIconHeight()) / icon.getIconWidth();
+		}
+
+		if (nh > h) {
+			nh = h;
+			nw = (icon.getIconWidth() * nh) / icon.getIconHeight();
+		}
+
+		return new ImageIcon(icon.getImage().getScaledInstance(nw, nh, Image.SCALE_DEFAULT));
+	}
+
+}