+++ /dev/null
-/*
- * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of Oracle or the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package osm.jp.gpx.matchtime.gui;
-
-import javax.swing.*;
-
-import java.beans.*;
-import java.awt.*;
-import java.io.File;
-
-/* ImagePreview.java by FileChooserDemo2.java. */
-@SuppressWarnings("serial")
-public class ImagePreview extends JComponent implements PropertyChangeListener {
- ImageIcon thumbnail = null;
- File file = null;
- static int IMAGE_SIZE_X = 320;
- static int IMAGE_SIZE_Y = 240;
-
- @SuppressWarnings({"LeakingThisInConstructor", "OverridableMethodCallInConstructor"})
- public ImagePreview(JFileChooser fc) {
- setPreferredSize(new Dimension(IMAGE_SIZE_X + 10, IMAGE_SIZE_Y + 10));
- fc.addPropertyChangeListener(this);
- }
-
- public void loadImage() {
- if (file == null) {
- thumbnail = null;
- return;
- }
-
- //Don't use createImageIcon (which is a wrapper for getResource)
- //because the image we're trying to load is probably not one
- //of this program's own resources.
- ImageIcon tmpIcon = new ImageIcon(file.getPath());
- if (tmpIcon != null) {
- if (tmpIcon.getIconWidth() > IMAGE_SIZE_X) {
- thumbnail = new ImageIcon(tmpIcon.getImage().
- getScaledInstance(IMAGE_SIZE_X, -1, Image.SCALE_DEFAULT));
- } else { //no need to miniaturize
- thumbnail = tmpIcon;
- }
- }
- }
-
- @Override
- public void propertyChange(PropertyChangeEvent e) {
- boolean update = false;
- String prop = e.getPropertyName();
-
- if (JFileChooser.DIRECTORY_CHANGED_PROPERTY.equals(prop)) {
- file = null;
- update = true;
- }
- else if (JFileChooser.SELECTED_FILE_CHANGED_PROPERTY.equals(prop)) {
- file = (File) e.getNewValue();
- update = true;
- }
- if (update) {
- thumbnail = null;
- if (isShowing()) {
- loadImage();
- repaint();
- }
- }
- }
-
- @Override
- protected void paintComponent(Graphics g) {
- if (thumbnail == null) {
- loadImage();
- }
- if (thumbnail != null) {
- int x = getWidth()/2 - thumbnail.getIconWidth()/2;
- int y = getHeight()/2 - thumbnail.getIconHeight()/2;
-
- if (y < 0) {
- y = 0;
- }
-
- if (x < 5) {
- x = 5;
- }
- thumbnail.paintIcon(this, g, x, y);
- }
- }
-}
OSDN Git Service
