/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package sun.java2d.marlin;

/**

 * Marlin constant holder using System properties

 */

interface MarlinConst {

    // enable Logs (logger or stdout)

    // use Logger instead of stdout

    // log new RendererContext

        && MarlinProperties.isLogCreateContext();

    // log misc.Unsafe alloc/realloc/free

        && MarlinProperties.isLogUnsafeMalloc();

    // do check unsafe alignment:

    // do statistics

    // do monitors

    // disabled to reduce byte-code size a bit...

    // do checks

    // do AA range checks: disable when algorithm / code is stable

    static final boolean DO_AA_RANGE_CHECK = false;

    // enable logs

    // enable oversize logs

    // enable traces

    // do flush monitors

    // use one polling thread to dump statistics/monitors

    // thread dump interval (ms)

    // do clean dirty array

    // flag to use line simplifier

    // flag to enable logs related bounds checks

    // 2048 pixel (width x height) for initial capacity

    static final int INITIAL_PIXEL_DIM

        = MarlinProperties.getInitialImageSize();

    // typical array sizes: only odd numbers allowed below

    static final int INITIAL_ARRAY        = 256;

    static final int INITIAL_SMALL_ARRAY  = 1024;

    static final int INITIAL_MEDIUM_ARRAY = 4096;

    static final int INITIAL_LARGE_ARRAY  = 8192;

    // alpha row dimension

    static final int INITIAL_AA_ARRAY     = INITIAL_PIXEL_DIM;

    // initial edges (24 bytes) = 24K [ints] = 96K

    static final int INITIAL_EDGES_CAPACITY = 4096 * 24; // 6 ints per edges

    // zero value as byte

    static final byte BYTE_0 = (byte) 0;

    // subpixels expressed as log2

    public static final int SUBPIXEL_LG_POSITIONS_X

        = MarlinProperties.getSubPixel_Log2_X();

    public static final int SUBPIXEL_LG_POSITIONS_Y

        = MarlinProperties.getSubPixel_Log2_Y();

    // number of subpixels

    public static final int SUBPIXEL_POSITIONS_X = 1 << (SUBPIXEL_LG_POSITIONS_X);

    public static final int SUBPIXEL_POSITIONS_Y = 1 << (SUBPIXEL_LG_POSITIONS_Y);

    public static final float NORM_SUBPIXELS

        = (float)Math.sqrt(( SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_X

                           + SUBPIXEL_POSITIONS_Y * SUBPIXEL_POSITIONS_Y)/2.0);

    public static final int MAX_AA_ALPHA

        = SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_Y;

    public static final int TILE_SIZE_LG = MarlinProperties.getTileSize_Log2();

    public static final int TILE_SIZE = 1 << TILE_SIZE_LG; // 32 by default

    public static final int BLOCK_SIZE_LG = MarlinProperties.getBlockSize_Log2();

    public static final int BLOCK_SIZE    = 1 << BLOCK_SIZE_LG;

}