1 /*
   2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.marlin;
  27 
  28 /**
  29  * Marlin constant holder using System properties
  30  */
  31 public interface MarlinConst {
  32     // enable Logs (logger or stdout)
  33     static final boolean ENABLE_LOGS = MarlinProperties.isLoggingEnabled();
  34     // use Logger instead of stdout
  35     static final boolean USE_LOGGER = ENABLE_LOGS && MarlinProperties.isUseLogger();
  36 
  37     // log new RendererContext
  38     static final boolean LOG_CREATE_CONTEXT = ENABLE_LOGS
  39         && MarlinProperties.isLogCreateContext();
  40     // log misc.Unsafe alloc/realloc/free
  41     static final boolean LOG_UNSAFE_MALLOC = ENABLE_LOGS
  42         && MarlinProperties.isLogUnsafeMalloc();
  43     // do check unsafe alignment:
  44     static final boolean DO_CHECK_UNSAFE = false;
  45 
  46     // do statistics
  47     static final boolean DO_STATS = ENABLE_LOGS && MarlinProperties.isDoStats();
  48     // do monitors
  49     // disabled to reduce byte-code size a bit...
  50     static final boolean DO_MONITORS = false;
  51 //    static final boolean DO_MONITORS = ENABLE_LOGS && MarlinProperties.isDoMonitors();
  52     // do checks
  53     static final boolean DO_CHECKS = ENABLE_LOGS && MarlinProperties.isDoChecks();
  54 
  55     // do AA range checks: disable when algorithm / code is stable
  56     static final boolean DO_AA_RANGE_CHECK = false;
  57 
  58     // enable logs
  59     static final boolean DO_LOG_WIDEN_ARRAY = ENABLE_LOGS && false;
  60     // enable oversize logs
  61     static final boolean DO_LOG_OVERSIZE = ENABLE_LOGS && false;
  62     // enable traces
  63     static final boolean DO_TRACE = ENABLE_LOGS && false;
  64 
  65     // do flush stats
  66     static final boolean DO_FLUSH_STATS = true;
  67     // do flush monitors
  68     static final boolean DO_FLUSH_MONITORS = true;
  69     // use one polling thread to dump statistics/monitors
  70     static final boolean USE_DUMP_THREAD = false;
  71     // thread dump interval (ms)
  72     static final long DUMP_INTERVAL = 5000L;
  73 
  74     // do clean dirty array
  75     static final boolean DO_CLEAN_DIRTY = false;
  76 
  77     // flag to use line simplifier
  78     static final boolean USE_SIMPLIFIER = MarlinProperties.isUseSimplifier();
  79 





  80     // flag to enable logs related bounds checks
  81     static final boolean DO_LOG_BOUNDS = ENABLE_LOGS && false;
  82 
  83     // Initial Array sizing (initial context capacity) ~ 450K
  84 
  85     // 2048 pixel (width x height) for initial capacity
  86     static final int INITIAL_PIXEL_DIM
  87         = MarlinProperties.getInitialImageSize();



  88 
  89     // typical array sizes: only odd numbers allowed below
  90     static final int INITIAL_ARRAY        = 256;
  91 
  92     // alpha row dimension
  93     static final int INITIAL_AA_ARRAY     = INITIAL_PIXEL_DIM;
  94 
  95     // 4096 edges for initial capacity
  96     static final int INITIAL_EDGES_COUNT = MarlinProperties.getInitialEdges();
  97 
  98     // initial edges = edges count (4096)
  99     // 6 ints per edges = 24 bytes
 100     // edges capacity = 24 x initial edges = 24 * edges count (4096) = 96K
 101     static final int INITIAL_EDGES_CAPACITY = INITIAL_EDGES_COUNT * 24;
 102 
 103     // crossing capacity = edges count / 4 ~ 1024
 104     static final int INITIAL_CROSSING_COUNT = INITIAL_EDGES_COUNT >> 2;
 105 
 106     // zero value as byte
 107     static final byte BYTE_0 = (byte) 0;
 108 
 109     // subpixels expressed as log2
 110     public static final int SUBPIXEL_LG_POSITIONS_X
 111         = MarlinProperties.getSubPixel_Log2_X();
 112     public static final int SUBPIXEL_LG_POSITIONS_Y
 113         = MarlinProperties.getSubPixel_Log2_Y();
 114 



 115     // number of subpixels
 116     public static final int SUBPIXEL_POSITIONS_X = 1 << (SUBPIXEL_LG_POSITIONS_X);
 117     public static final int SUBPIXEL_POSITIONS_Y = 1 << (SUBPIXEL_LG_POSITIONS_Y);
 118 
 119     // 2048 (pixelSize) pixels (height) x 8 subpixels = 64K
 120     static final int INITIAL_BUCKET_ARRAY
 121         = INITIAL_PIXEL_DIM * SUBPIXEL_POSITIONS_Y;
 122 
 123     public static final float NORM_SUBPIXELS
 124         = (float) Math.sqrt(( SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_X
 125                             + SUBPIXEL_POSITIONS_Y * SUBPIXEL_POSITIONS_Y) / 2.0d);
 126 
 127     public static final int MAX_AA_ALPHA
 128         = SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_Y;
 129 
 130     public static final int BLOCK_SIZE_LG = MarlinProperties.getBlockSize_Log2();
 131     public static final int BLOCK_SIZE    = 1 << BLOCK_SIZE_LG;
 132 
 133     static final boolean ENABLE_BLOCK_FLAGS = MarlinProperties.isUseTileFlags();
 134     static final boolean ENABLE_BLOCK_FLAGS_HEURISTICS = MarlinProperties.isUseTileFlagsWithHeuristics();
 135 
 136     static final boolean FORCE_RLE = MarlinProperties.isForceRLE();
 137     static final boolean FORCE_NO_RLE = MarlinProperties.isForceNoRLE();
 138     // minimum width to try using RLE encoding:
 139     static final int RLE_MIN_WIDTH
 140         = Math.max(BLOCK_SIZE, MarlinProperties.getRLEMinWidth());
 141 
 142     // Constants
 143     public static final int WIND_EVEN_ODD = 0;
 144     public static final int WIND_NON_ZERO = 1;
 145 
 146     /**
 147      * Constant value for join style.
 148      */
 149     public static final int JOIN_MITER = 0;
 150 
 151     /**
 152      * Constant value for join style.
 153      */
 154     public static final int JOIN_ROUND = 1;
 155 
 156     /**
 157      * Constant value for join style.
 158      */
 159     public static final int JOIN_BEVEL = 2;
 160 
 161     /**
 162      * Constant value for end cap style.
 163      */
 164     public static final int CAP_BUTT = 0;
 165 
 166     /**
 167      * Constant value for end cap style.
 168      */
 169     public static final int CAP_ROUND = 1;
 170 
 171     /**
 172      * Constant value for end cap style.
 173      */
 174     public static final int CAP_SQUARE = 2;
 175 
 176     // Out codes
 177     static final int OUTCODE_TOP      = 1;
 178     static final int OUTCODE_BOTTOM   = 2;
 179     static final int OUTCODE_LEFT     = 4;
 180     static final int OUTCODE_RIGHT    = 8;
 181     static final int OUTCODE_MASK_T_B = OUTCODE_TOP  | OUTCODE_BOTTOM;
 182     static final int OUTCODE_MASK_L_R = OUTCODE_LEFT | OUTCODE_RIGHT;
 183     static final int OUTCODE_MASK_T_B_L_R = OUTCODE_MASK_T_B | OUTCODE_MASK_L_R;
 184 }
--- EOF ---