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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 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 getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024);
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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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}
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