/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* FreeCol is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.resources;
import java.awt.Color;
import java.awt.Image;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
/**
* A <code>Resource</code> wrapping a "Chip", that is a small
* <code>BufferedImage</code> indicating the owner of a unit or
* mission, or the alarm of a native settlement. The <code>URI</code>
* is expected to look like this "urn:chip:mission:red:black", for
* example.
*
* @see Resource
* @see Color
*/
public class ChipResource extends Resource {
public static final String SCHEME = "chip:";
public static final int WIDTH = 10;
public static final int HEIGHT = 17;
/**
* Describe foreground here.
*/
private Color foreground = Color.BLACK;
/**
* Describe background here.
*/
private Color background = Color.WHITE;
/**
* Describe chip here.
*/
private BufferedImage image = null;
/**
* Describe type here.
*/
private final String type;
private Map<Double, Image> scaledImages = new HashMap<Double, Image>();
private ChipResource(String type, Color bg, Color fg) {
this.type = type;
this.background = bg;
this.foreground = fg;
}
/**
* Do not use directly.
* @param resourceLocator The <code>URI</code> used when loading this
* resource.
* @see ResourceFactory#createResource(URI)
*/
ChipResource(URI resourceLocator) {
super(resourceLocator);
String[] parts = resourceLocator.getSchemeSpecificPart().split(":");
type = parts[1];
background = ColorResource.getColor(parts[2]);
foreground = ColorResource.getColor(parts[3]);
}
/**
* Preloading is a noop for this resource type.
*/
public void preload() {}
/**
* Get the <code>Foreground</code> value.
*
* @return a <code>Color</code> value
*/
public final Color getForeground() {
return foreground;
}
/**
* Set the <code>Foreground</code> value.
*
* @param newForeground The new Foreground value.
*/
public final void setForeground(final Color newForeground) {
this.foreground = newForeground;
image = null;
}
/**
* Get the <code>Background</code> value.
*
* @return a <code>Color</code> value
*/
public final Color getBackground() {
return background;
}
/**
* Set the <code>Background</code> value.
*
* @param newBackground The new Background value.
*/
public final void setBackground(final Color newBackground) {
this.background = newBackground;
image = null;
}
/**
* Get the <code>Type</code> value.
*
* @return a <code>String</code> value
*/
public final String getType() {
return type;
}
/**
* Get the <code>Image</code> value.
*
* @return a <code>BufferedImage</code> value
*/
public final Image getImage() {
if (image == null) {
image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_ARGB);
if ("color".equals(type)) {
createColorChip();
} else if ("mission".equals(type)) {
createMissionChip();
} else if ("alarm.visited".equals(type)) {
createAlarmChip(true);
} else if ("alarm.unvisited".equals(type)) {
createAlarmChip(false);
}
}
return image;
}
public final Image getImage(double scale) {
Image scaledImage = scaledImages.get(scale);
if (scaledImage == null) {
Image image = getImage();
int width = (int) (WIDTH * scale);
int height = (int) (HEIGHT * scale);
scaledImage = image.getScaledInstance(width, height, Image.SCALE_SMOOTH);
scaledImages.put(scale, scaledImage);
}
return scaledImage;
}
private void createColorChip() {
Graphics2D g = (Graphics2D) image.getGraphics();
int bw = WIDTH / 10;
g.setColor(foreground);
g.fillRect(0, 0, WIDTH, HEIGHT);
g.setColor(background);
g.fillRect(bw, bw, WIDTH - 2*bw , HEIGHT - 2*bw);
}
private void createMissionChip() {
Graphics2D g = (Graphics2D) image.getGraphics();
int bw = WIDTH / 10;
int dw = WIDTH / 5;
g.setColor(background);
g.fillRect(0, 0, WIDTH, HEIGHT);
GeneralPath cross = new GeneralPath(GeneralPath.WIND_EVEN_ODD);
cross.moveTo(2*dw, bw);
cross.lineTo(3*dw, bw);
cross.lineTo(3*dw, 2*dw);
cross.lineTo(WIDTH - bw, 2*dw);
cross.lineTo(WIDTH - bw, 3*dw);
cross.lineTo(3*dw, 3*dw);
cross.lineTo(3*dw, HEIGHT - bw);
cross.lineTo(2*dw, HEIGHT - bw);
cross.lineTo(2*dw, 3*dw);
cross.lineTo(bw, 3*dw);
cross.lineTo(bw, 2*dw);
cross.lineTo(2*dw, 2*dw);
cross.closePath();
g.setColor(foreground);
g.fill(cross);
}
private void createAlarmChip(boolean visited) {
Graphics2D g = (Graphics2D) image.getGraphics();
int bw = WIDTH / 10;
int dw = WIDTH / 5;
createColorChip();
g.setColor(foreground);
if (visited) {
g.fillRect(2*dw, bw+dw, dw, 3*dw+bw);
} else {
g.fillRect(bw+dw, bw+dw, 2*dw, dw);
g.fillRect(3*dw, 2*dw, dw, dw);
g.fillRect(2*dw, 3*dw, bw+dw, bw);
g.fillRect(2*dw, 3*dw+bw, dw, bw+dw);
}
g.fillRect(2*dw, HEIGHT - 3*dw, dw, dw);
}
// Factory methods
public static ChipResource colorChip(Color color) {
return new ChipResource("color", color, Color.BLACK);
}
public static ChipResource missionChip(Color color, boolean expert) {
return new ChipResource("mission",
(expert ? ResourceManager.getColor("expertMission.background.color") :
ResourceManager.getColor("mission.background.color")),
color);
}
}