/**
* Find the color band that this value falls in and assign that color.
*
* @param v
* @param color
*/
private final void absoluteValue(final double v, final int[] color) {
final double search;
switch (scaling) {
case Absolute:
search = v;
break;
case MinMax:
search = (v - min) / (max - min);
break;
case Modulo:
search = v % (max - min);
break;
default:
search = 0;
break;
}
final Map.Entry<Double, Color> lower = floorEntry(search);
Color c;
if (lower == null) {
c = entrySet().iterator().next().getValue();
} else {
c = lower.getValue();
}
color[R] = c.getRed();
color[G] = c.getGreen();
color[B] = c.getBlue();
color[A] = c.getAlpha();
}
/**
* Interpolate the color value for the given scalar value. The result is placed in color.
*
* @param v
* @param color
* @return
*/
private final void interpolateValue(final double v, final int[] color) {
final double search;
switch (scaling) {
case Absolute:
search = v;
break;
case MinMax:
search = (v - min) / (max - min);
break;
case Modulo:
search = (v - min) % (max - min);
break;
default:
search = 0;
break;
}
final Map.Entry<Double, Color> lower = floorEntry(search);
final Map.Entry<Double, Color> upper = higherEntry(search);
assert (upper != null || lower != null);
if (upper == null) {
final Color c = lower.getValue();
color[R] = c.getRed();
color[G] = c.getGreen();
color[B] = c.getBlue();
color[A] = c.getAlpha();
} else if (lower == null) {
final Color c = upper.getValue();
color[R] = c.getRed();
color[G] = c.getGreen();
color[B] = c.getBlue();
color[A] = c.getAlpha();
} else {
final double diff = upper.getKey().doubleValue() - lower.getKey().doubleValue();
final double lw = 1.0 - ((search - lower.getKey().doubleValue()) / diff);
final double uw = 1.0 - lw;
final Color lc = lower.getValue();
final Color uc = upper.getValue();
color[R] = (int) Math.round(lc.getRed() * lw + uc.getRed() * uw);
color[G] = (int) Math.round(lc.getGreen() * lw + uc.getGreen() * uw);
color[B] = (int) Math.round(lc.getBlue() * lw + uc.getBlue() * uw);
color[A] = (int) Math.round(lc.getAlpha() * lw + uc.getAlpha() * uw);
}
}
@Override
public void write(final OutputStream out) throws IOException {
out.write(TYPE_COLOR);
super.write(out);
out.write(color.getRed());
out.write(color.getGreen());
out.write(color.getBlue());
out.write(color.getAlpha());
}
public void drawTileNumC(int tileNum, int x, int y, Color c, Graphics g) {
BufferedImage coloredTile = tiles[tileNum];
for (int i = 0; i < this.tW; i++) {
for (int j = 0; j < this.tH; j++) {
Color originalColor = new Color(coloredTile.getRGB(i, j), true);
Color nc = new Color(c.getRed(), c.getGreen(), c.getBlue(), originalColor.getAlpha());
coloredTile.setRGB(i, j, nc.getRGB());
}
}
g.drawImage(tiles[tileNum], x, y, null);
}
