/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.awt.util;

import java.awt.Rectangle;
import java.awt.image.Raster;
import org.jnode.driver.video.Surface;
import org.jnode.system.resource.MemoryResource;
import org.jnode.vm.Unsafe;

final class BitmapGraphics24bpp extends AbstractBitmapGraphics {

    /**
     * @param mem
     * @param width
     * @param height
     * @param offset
     * @param bytesPerLine
     */
    public BitmapGraphics24bpp(MemoryResource mem, int width, int height,
                               int offset, int bytesPerLine) {
        super(mem, width, height, offset, bytesPerLine);
        //Unsafe.debug("creating BitmapGraphics24bpp");
    }

    protected void doDrawImage(Raster src, int srcX, int srcY, int dstX,
                               int dstY, int width, int height) {
        // TODO Implement me
        log.error("Not implemented");
        Unsafe.debug("doDrawImage Not implemented");
    }

    protected void doDrawImage(Raster src, int srcX, int srcY, int dstX,
                               int dstY, int width, int height, int bgColor) {
        // TODO Implement me
        log.error("Not implemented");
        Unsafe.debug("doDrawImage Not implemented");
    }

    /**
     * @see org.jnode.awt.util.BitmapGraphics#doDrawAlphaRaster(java.awt.image.Raster,
     *      int, int, int, int, int, int, int)
     */
    protected void doDrawAlphaRaster(Raster raster, int srcX, int srcY,
                                     int dstX, int dstY, int width, int height, int color) {
        // TODO Implement me
        log.error("Not implemented");
        Unsafe.debug("doDrawImage Not implemented");
    }

    public int doGetPixel(int x, int y) {
        final int ofs = offset + (y * bytesPerLine) + (x * 3);
        return mem.getInt(ofs);
    }

    public int[] doGetPixels(Rectangle r) {
        int x = r.x;
        int y = r.y;
        int w = r.width;
        int h = r.height;
        int[] ret = new int[w * h];

        int resultIdx = 0;
        int ofs = getOffset(x, y);
        for (int i = 0; i < w; i++) {

            int idxLine = ofs;
            for (int j = 0; j < h; j++) {
                ret[resultIdx] = mem.getInt(ofs);

                resultIdx++;
                idxLine += 3;
            }

            ofs += bytesPerLine;
        }
        return ret;
    }

    protected void doDrawLine(int x, int y, int w, int color, int mode) {
        final int ofs = getOffset(x, y);

        if (mode == Surface.PAINT_MODE) {
            mem.setInt24(ofs, color, w);
        } else {
            mem.xorInt24(ofs, color, w);
        }
    }

    protected void doDrawPixels(int x, int y, int count, int color, int mode) {
        final int ofs = getOffset(x, y);

        if (mode == Surface.PAINT_MODE) {
            mem.setInt24(ofs, color, count);
        } else {
            mem.xorInt24(ofs, color, count);
        }
    }

    @Override
    protected int getOffset(int x, int y) {
        return offset + (y * bytesPerLine) + (x * 3);
    }

    @Override
    protected int getBytesForWidth(int width) {
        return width * 3;
    }
}