author | lbourges |
Wed, 03 Aug 2016 22:53:38 +0200 | |
changeset 40421 | d5ee65e2b0fb |
parent 34816 | 5ff696b1bbac |
child 47126 | 188ef162f019 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.java2d.marlin; |
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import java.security.AccessController; |
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import static sun.java2d.marlin.MarlinUtils.logInfo; |
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import sun.security.action.GetPropertyAction; |
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public final class MarlinProperties { |
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private MarlinProperties() { |
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// no-op |
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} |
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// marlin system properties |
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public static boolean isUseThreadLocal() { |
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return getBoolean("sun.java2d.renderer.useThreadLocal", "true"); |
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} |
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/** |
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* Return the initial edge capacity used to define initial arrays |
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* (edges, polystack, crossings) |
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* |
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* @return 256 < initial edges < 65536 (4096 by default) |
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*/ |
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public static int getInitialEdges() { |
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return align( |
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getInteger("sun.java2d.renderer.edges", 4096, 64, 64 * 1024), |
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64); |
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} |
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/** |
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* Return the initial pixel size used to define initial arrays |
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* (tile AA chunk, alpha line, buckets) |
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* |
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* @return 64 < initial pixel size < 32768 (2048 by default) |
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*/ |
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public static int getInitialImageSize() { |
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return align( |
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getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024), |
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64); |
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} |
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/** |
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* Return the log(2) corresponding to subpixel on x-axis ( |
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* |
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* @return 1 (2 subpixels) < initial pixel size < 4 (256 subpixels) |
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* (3 by default ie 8 subpixels) |
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*/ |
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public static int getSubPixel_Log2_X() { |
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return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 1, 8); |
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} |
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/** |
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* Return the log(2) corresponding to subpixel on y-axis ( |
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* |
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* @return 1 (2 subpixels) < initial pixel size < 8 (256 subpixels) |
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* (3 by default ie 8 subpixels) |
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*/ |
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public static int getSubPixel_Log2_Y() { |
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return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 1, 8); |
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} |
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/** |
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* Return the log(2) corresponding to the square tile size in pixels |
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* |
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* @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels) |
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* (5 by default ie 32x32 pixels) |
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*/ |
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public static int getTileSize_Log2() { |
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return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 8); |
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} |
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/** |
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* Return the log(2) corresponding to the block size in pixels |
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* |
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* @return 3 (8 pixels) < block size < 8 (256 pixels) |
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* (5 by default ie 32 pixels) |
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*/ |
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public static int getBlockSize_Log2() { |
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return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8); |
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} |
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// RLE / blockFlags settings |
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public static boolean isForceRLE() { |
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return getBoolean("sun.java2d.renderer.forceRLE", "false"); |
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} |
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public static boolean isForceNoRLE() { |
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return getBoolean("sun.java2d.renderer.forceNoRLE", "false"); |
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} |
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public static boolean isUseTileFlags() { |
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return getBoolean("sun.java2d.renderer.useTileFlags", "true"); |
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} |
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public static boolean isUseTileFlagsWithHeuristics() { |
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return isUseTileFlags() |
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&& getBoolean("sun.java2d.renderer.useTileFlags.useHeuristics", "true"); |
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} |
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public static int getRLEMinWidth() { |
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return getInteger("sun.java2d.renderer.rleMinWidth", 64, 0, Integer.MAX_VALUE); |
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} |
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// optimisation parameters |
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public static boolean isUseSimplifier() { |
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return getBoolean("sun.java2d.renderer.useSimplifier", "false"); |
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} |
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// debugging parameters |
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public static boolean isDoStats() { |
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return getBoolean("sun.java2d.renderer.doStats", "false"); |
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} |
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public static boolean isDoMonitors() { |
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return getBoolean("sun.java2d.renderer.doMonitors", "false"); |
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} |
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public static boolean isDoChecks() { |
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return getBoolean("sun.java2d.renderer.doChecks", "false"); |
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} |
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// logging parameters |
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public static boolean isLoggingEnabled() { |
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return getBoolean("sun.java2d.renderer.log", "false"); |
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} |
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public static boolean isUseLogger() { |
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return getBoolean("sun.java2d.renderer.useLogger", "false"); |
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} |
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public static boolean isLogCreateContext() { |
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return getBoolean("sun.java2d.renderer.logCreateContext", "false"); |
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} |
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public static boolean isLogUnsafeMalloc() { |
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return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false"); |
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} |
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// system property utilities |
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static boolean getBoolean(final String key, final String def) { |
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return Boolean.valueOf(AccessController.doPrivileged( |
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new GetPropertyAction(key, def))); |
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} |
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static int getInteger(final String key, final int def, |
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final int min, final int max) |
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{ |
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final String property = AccessController.doPrivileged( |
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new GetPropertyAction(key)); |
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int value = def; |
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if (property != null) { |
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try { |
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value = Integer.decode(property); |
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} catch (NumberFormatException e) { |
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logInfo("Invalid integer value for " + key + " = " + property); |
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} |
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} |
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// check for invalid values |
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if ((value < min) || (value > max)) { |
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logInfo("Invalid value for " + key + " = " + value |
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+ "; expected value in range[" + min + ", " + max + "] !"); |
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value = def; |
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} |
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return value; |
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} |
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static int align(final int val, final int norm) { |
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final int ceil = FloatMath.ceil_int( ((float)val) / norm); |
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return ceil * norm; |
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} |
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} |