Android Open Source - Earthbound-Battle-Backgrounds Palette

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Back to project page Earthbound-Battle-Backgrounds.

License

The source code is released under:

MIT License

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Java Source Code

/*
 *  Copyright 2011 Garen J. Torikian/*from ww  w  .  j ava  2s. co  m*/
 * 
 *  This file is part of EarthboundBattleBackground.

    EarthboundBattleBackground 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 3 of the License, or
    (at your option) any later version.

    EarthboundBattleBackground 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 EarthboundBattleBackground.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.miadzin.livewallpaper.earthbound.romlib;

import android.graphics.Color;

public abstract class Palette extends RomObject {
  protected int[][] colors;
  protected int bpp;

  private final String LOG_TAG = "Palette";

  /**
   * Gets an array of colors representing one of this palette's subpalettes.
   * 
   * @param pal
   *            The index of the subpalette to retrieve.
   * 
   * @return An array containing the colors of the specified subpalette.
   */
  public int[] getColors(int pal) {
    return colors[pal];
  }

  public int[][] getColorMatrix() {
    return colors;
  }

  /**
   * Gets or sets the bit depth of this palette.
   */
  public int getBitsPerPixel() {
    return bpp;
  }

  public void setBitsPerPixel(int value) {
    bpp = value;
  }

  /**
   * Internal function - reads palette data from the given block into this
   * palette's colors array.
   * 
   * @param block
   *            Block to read palette data from.
   * @param bpp
   *            Bit depth; must be either 2 or 4.
   * @param count
   *            Number of subpalettes to read.
   */
  protected void ReadPalette(Block block, int bpp, int count)
      throws Exception {
    if (bpp != 2 && bpp != 4)
      throw new Exception(
          "Palette error: Incorrect color depth specified.");

    if (count < 1)
      throw new Exception(
          "Palette error: Must specify positive number of subpalettes.");

    colors = new int[count][];
    for (int pal = 0; pal < count; pal++) {
      colors[pal] = new int[(int) Math.pow(2, bpp)];
      for (int i = 0; i < (int) Math.pow(2, bpp); i++) {
        int clr16 = block.ReadDoubleShort();

        short b = (short) (((clr16 >> 10) & 31) * 8);
        short g = (short) (((clr16 >> 5) & 31) * 8);
        short r = (short) ((clr16 & 31) * 8);
        colors[pal][i] = Color.rgb(r, g, b);
      }
    }
  }
}

Java Source Code List