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 sun.java2d.marlin;
27
28 /**
29 * Marlin constant holder using System properties
30 */
31 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 // zero value as byte
104 static final byte BYTE_0 = (byte) 0;
105
106 // subpixels expressed as log2
107 public static final int SUBPIXEL_LG_POSITIONS_X
108 = MarlinProperties.getSubPixel_Log2_X();
109 public static final int SUBPIXEL_LG_POSITIONS_Y
110 = MarlinProperties.getSubPixel_Log2_Y();
111
112 // number of subpixels
113 public static final int SUBPIXEL_POSITIONS_X = 1 << (SUBPIXEL_LG_POSITIONS_X);
114 public static final int SUBPIXEL_POSITIONS_Y = 1 << (SUBPIXEL_LG_POSITIONS_Y);
115
116 public static final float NORM_SUBPIXELS
117 = (float) Math.sqrt(( SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_X
118 + SUBPIXEL_POSITIONS_Y * SUBPIXEL_POSITIONS_Y) / 2.0d);
119
120 public static final int MAX_AA_ALPHA
121 = SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_Y;
122
123 public static final int TILE_H_LG = MarlinProperties.getTileSize_Log2();
124 public static final int TILE_H = 1 << TILE_H_LG; // 32 by default
125
126 public static final int TILE_W_LG = MarlinProperties.getTileWidth_Log2();
127 public static final int TILE_W = 1 << TILE_W_LG; // 32 by default
128
129 public static final int BLOCK_SIZE_LG = MarlinProperties.getBlockSize_Log2();
130 public static final int BLOCK_SIZE = 1 << BLOCK_SIZE_LG;
131
132 // Constants
133 public static final int WIND_EVEN_ODD = 0;
134 public static final int WIND_NON_ZERO = 1;
135
136 /**
137 * Constant value for join style.
138 */
139 public static final int JOIN_MITER = 0;
140
141 /**
142 * Constant value for join style.
143 */
144 public static final int JOIN_ROUND = 1;
145
146 /**
147 * Constant value for join style.
148 */
149 public static final int JOIN_BEVEL = 2;
150
151 /**
152 * Constant value for end cap style.
153 */
154 public static final int CAP_BUTT = 0;
155
156 /**
157 * Constant value for end cap style.
158 */
159 public static final int CAP_ROUND = 1;
160
161 /**
162 * Constant value for end cap style.
163 */
164 public static final int CAP_SQUARE = 2;
165
166 // Out codes
167 static final int OUTCODE_TOP = 1;
168 static final int OUTCODE_BOTTOM = 2;
169 static final int OUTCODE_LEFT = 4;
170 static final int OUTCODE_RIGHT = 8;
171 static final int OUTCODE_MASK_T_B = OUTCODE_TOP | OUTCODE_BOTTOM;
172 static final int OUTCODE_MASK_L_R = OUTCODE_LEFT | OUTCODE_RIGHT;
173 static final int OUTCODE_MASK_T_B_L_R = OUTCODE_MASK_T_B | OUTCODE_MASK_L_R;
174 }