66 lines
2 KiB
Java
66 lines
2 KiB
Java
package org.insa.graphics.drawing.overlays;
|
|
|
|
import java.awt.Color;
|
|
import java.awt.Image;
|
|
import java.awt.image.BufferedImage;
|
|
import java.io.DataInputStream;
|
|
import java.io.FileInputStream;
|
|
|
|
public class MarkerUtils {
|
|
|
|
private static final String MARKER_MASK_FILE = "res/marker_mask.bin";
|
|
|
|
/**
|
|
* Create a Bitmap representing a marker of the given color.
|
|
*
|
|
* @param color
|
|
* @return
|
|
*/
|
|
public static Image getMarkerForColor(Color color) {
|
|
// create image
|
|
int[][] mask = readMarkerMask();
|
|
BufferedImage image = new BufferedImage(mask[0].length, mask.length, BufferedImage.TYPE_4BYTE_ABGR);
|
|
|
|
// Color[] map = getColorMapping(color);
|
|
int rgb = color.getRGB() & 0x00ffffff;
|
|
for (int i = 0; i < image.getHeight(); ++i) {
|
|
for (int j = 0; j < image.getWidth(); ++j) {
|
|
// image.setRGB(j, i, map[MARKER_MASK[i][j]].getRGB());
|
|
image.setRGB(j, i, rgb | (mask[i][j] << 24));
|
|
}
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
// Mask cache
|
|
private static int[][] MASK_CACHE = null;
|
|
|
|
/**
|
|
* @return Retrieve the mask from the mask file or from the cache.
|
|
*/
|
|
private static int[][] readMarkerMask() {
|
|
if (MASK_CACHE == null) {
|
|
try {
|
|
DataInputStream dis = new DataInputStream(new FileInputStream(MARKER_MASK_FILE));
|
|
|
|
int nrows = dis.readInt();
|
|
int ncols = dis.readInt();
|
|
|
|
MASK_CACHE = new int[nrows][ncols];
|
|
for (int i = 0; i < nrows; ++i) {
|
|
for (int j = 0; j < ncols; ++j) {
|
|
MASK_CACHE[i][j] = dis.readUnsignedByte();
|
|
}
|
|
}
|
|
dis.close();
|
|
}
|
|
catch (Exception e) {
|
|
e.printStackTrace();
|
|
MASK_CACHE = null;
|
|
}
|
|
}
|
|
return MASK_CACHE;
|
|
}
|
|
|
|
}
|