1 /*
2 * Copyright (c) 2007, 2015, 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
51 return align(
52 getInteger("sun.java2d.renderer.edges", 4096, 64, 64 * 1024),
53 64);
54 }
55
56 /**
57 * Return the initial pixel size used to define initial arrays
58 * (tile AA chunk, alpha line, buckets)
59 *
60 * @return 64 < initial pixel size < 32768 (2048 by default)
61 */
62 public static int getInitialImageSize() {
63 return align(
64 getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024),
65 64);
66 }
67
68 /**
69 * Return the log(2) corresponding to subpixel on x-axis (
70 *
71 * @return 1 (2 subpixels) < initial pixel size < 4 (256 subpixels)
72 * (3 by default ie 8 subpixels)
73 */
74 public static int getSubPixel_Log2_X() {
75 return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 1, 8);
76 }
77
78 /**
79 * Return the log(2) corresponding to subpixel on y-axis (
80 *
81 * @return 1 (2 subpixels) < initial pixel size < 8 (256 subpixels)
82 * (3 by default ie 8 subpixels)
83 */
84 public static int getSubPixel_Log2_Y() {
85 return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 1, 8);
86 }
87
88 /**
89 * Return the log(2) corresponding to the square tile size in pixels
90 *
91 * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels)
92 * (5 by default ie 32x32 pixels)
93 */
94 public static int getTileSize_Log2() {
95 return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 8);
96 }
97
98 /**
99 * Return the log(2) corresponding to the block size in pixels
100 *
101 * @return 3 (8 pixels) < block size < 8 (256 pixels)
102 * (5 by default ie 32 pixels)
103 */
104 public static int getBlockSize_Log2() {
105 return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8);
106 }
107
108 // RLE / blockFlags settings
109
110 public static boolean isForceRLE() {
111 return getBoolean("sun.java2d.renderer.forceRLE", "false");
112 }
113
114 public static boolean isForceNoRLE() {
115 return getBoolean("sun.java2d.renderer.forceNoRLE", "false");
149 }
150
151 // logging parameters
152
153 public static boolean isLoggingEnabled() {
154 return getBoolean("sun.java2d.renderer.log", "false");
155 }
156
157 public static boolean isUseLogger() {
158 return getBoolean("sun.java2d.renderer.useLogger", "false");
159 }
160
161 public static boolean isLogCreateContext() {
162 return getBoolean("sun.java2d.renderer.logCreateContext", "false");
163 }
164
165 public static boolean isLogUnsafeMalloc() {
166 return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false");
167 }
168
169 // system property utilities
170 static boolean getBoolean(final String key, final String def) {
171 return Boolean.valueOf(AccessController.doPrivileged(
172 new GetPropertyAction(key, def)));
173 }
174
175 static int getInteger(final String key, final int def,
176 final int min, final int max)
177 {
178 final String property = AccessController.doPrivileged(
179 new GetPropertyAction(key));
180
181 int value = def;
182 if (property != null) {
183 try {
184 value = Integer.decode(property);
185 } catch (NumberFormatException e) {
186 logInfo("Invalid integer value for " + key + " = " + property);
187 }
188 }
189
190 // check for invalid values
191 if ((value < min) || (value > max)) {
192 logInfo("Invalid value for " + key + " = " + value
193 + "; expected value in range[" + min + ", " + max + "] !");
194 value = def;
195 }
196 return value;
197 }
198
199 static int align(final int val, final int norm) {
200 final int ceil = FloatMath.ceil_int( ((float)val) / norm);
201 return ceil * norm;
202 }
203 }
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1 /*
2 * Copyright (c) 2007, 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
51 return align(
52 getInteger("sun.java2d.renderer.edges", 4096, 64, 64 * 1024),
53 64);
54 }
55
56 /**
57 * Return the initial pixel size used to define initial arrays
58 * (tile AA chunk, alpha line, buckets)
59 *
60 * @return 64 < initial pixel size < 32768 (2048 by default)
61 */
62 public static int getInitialImageSize() {
63 return align(
64 getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024),
65 64);
66 }
67
68 /**
69 * Return the log(2) corresponding to subpixel on x-axis (
70 *
71 * @return 0 (1 subpixels) < initial pixel size < 8 (256 subpixels)
72 * (3 by default ie 8 subpixels)
73 */
74 public static int getSubPixel_Log2_X() {
75 return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 0, 8);
76 }
77
78 /**
79 * Return the log(2) corresponding to subpixel on y-axis (
80 *
81 * @return 0 (1 subpixels) < initial pixel size < 8 (256 subpixels)
82 * (3 by default ie 8 subpixels)
83 */
84 public static int getSubPixel_Log2_Y() {
85 return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 0, 8);
86 }
87
88 /**
89 * Return the log(2) corresponding to the square tile size in pixels
90 *
91 * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels)
92 * (5 by default ie 32x32 pixels)
93 */
94 public static int getTileSize_Log2() {
95 return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 10);
96 }
97
98 /**
99 * Return the log(2) corresponding to the tile width in pixels
100 *
101 * @return 3 (8 pixels) < tile with < 8 (256 pixels)
102 * (by default is given by the square tile size)
103 */
104 public static int getTileWidth_Log2() {
105 final int tileSize = getTileSize_Log2();
106 return getInteger("sun.java2d.renderer.tileWidth_log2", tileSize, 3, 10);
107 }
108
109 /**
110 * Return the log(2) corresponding to the block size in pixels
111 *
112 * @return 3 (8 pixels) < block size < 8 (256 pixels)
113 * (5 by default ie 32 pixels)
114 */
115 public static int getBlockSize_Log2() {
116 return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8);
117 }
118
119 // RLE / blockFlags settings
120
121 public static boolean isForceRLE() {
122 return getBoolean("sun.java2d.renderer.forceRLE", "false");
123 }
124
125 public static boolean isForceNoRLE() {
126 return getBoolean("sun.java2d.renderer.forceNoRLE", "false");
160 }
161
162 // logging parameters
163
164 public static boolean isLoggingEnabled() {
165 return getBoolean("sun.java2d.renderer.log", "false");
166 }
167
168 public static boolean isUseLogger() {
169 return getBoolean("sun.java2d.renderer.useLogger", "false");
170 }
171
172 public static boolean isLogCreateContext() {
173 return getBoolean("sun.java2d.renderer.logCreateContext", "false");
174 }
175
176 public static boolean isLogUnsafeMalloc() {
177 return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false");
178 }
179
180 // quality settings
181
182 public static float getCubicDecD2() {
183 return getFloat("sun.java2d.renderer.cubic_dec_d2", 1.0f, 0.01f, 4.0f);
184 }
185
186 public static float getCubicIncD1() {
187 return getFloat("sun.java2d.renderer.cubic_inc_d1", 0.4f, 0.01f, 2.0f);
188 }
189
190 public static float getQuadDecD2() {
191 return getFloat("sun.java2d.renderer.quad_dec_d2", 0.5f, 0.01f, 4.0f);
192 }
193
194 // system property utilities
195 static boolean getBoolean(final String key, final String def) {
196 return Boolean.valueOf(AccessController.doPrivileged(
197 new GetPropertyAction(key, def)));
198 }
199
200 static int getInteger(final String key, final int def,
201 final int min, final int max)
202 {
203 final String property = AccessController.doPrivileged(
204 new GetPropertyAction(key));
205
206 int value = def;
207 if (property != null) {
208 try {
209 value = Integer.decode(property);
210 } catch (NumberFormatException e) {
211 logInfo("Invalid integer value for " + key + " = " + property);
212 }
213 }
214
215 // check for invalid values
216 if ((value < min) || (value > max)) {
217 logInfo("Invalid value for " + key + " = " + value
218 + "; expected value in range[" + min + ", " + max + "] !");
219 value = def;
220 }
221 return value;
222 }
223
224 static int align(final int val, final int norm) {
225 final int ceil = FloatMath.ceil_int( ((float)val) / norm);
226 return ceil * norm;
227 }
228
229 public static double getDouble(final String key, final double def,
230 final double min, final double max)
231 {
232 double value = def;
233 final String property = AccessController.doPrivileged(
234 new GetPropertyAction(key));
235
236 if (property != null) {
237 try {
238 value = Double.parseDouble(property);
239 } catch (NumberFormatException nfe) {
240 logInfo("Invalid value for " + key + " = " + property + " !");
241 }
242 }
243 // check for invalid values
244 if (value < min || value > max) {
245 logInfo("Invalid value for " + key + " = " + value
246 + "; expect value in range[" + min + ", " + max + "] !");
247 value = def;
248 }
249 return value;
250 }
251
252 public static float getFloat(final String key, final float def,
253 final float min, final float max)
254 {
255 return (float)getDouble(key, def, min, max);
256 }
257 }
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