--- /dev/null 2015-11-23 13:25:17.000000000 -0800 +++ new/src/java.desktop/share/classes/sun/java2d/marlin/MarlinProperties.java 2015-11-23 13:25:16.000000000 -0800 @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package sun.java2d.marlin; + +import java.security.AccessController; +import static sun.java2d.marlin.MarlinUtils.logInfo; +import sun.security.action.GetPropertyAction; + +public final class MarlinProperties { + + private MarlinProperties() { + // no-op + } + + // marlin system properties + + public static boolean isUseThreadLocal() { + return getBoolean("sun.java2d.renderer.useThreadLocal", "true"); + } + + /** + * Return the initial pixel size used to define initial arrays + * (tile AA chunk, alpha line, buckets) + * + * @return 64 < initial pixel size < 32768 (2048 by default) + */ + public static int getInitialImageSize() { + return getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024); + } + + /** + * Return the log(2) corresponding to subpixel on x-axis ( + * + * @return 1 (2 subpixels) < initial pixel size < 4 (256 subpixels) + * (3 by default ie 8 subpixels) + */ + public static int getSubPixel_Log2_X() { + return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 1, 8); + } + + /** + * Return the log(2) corresponding to subpixel on y-axis ( + * + * @return 1 (2 subpixels) < initial pixel size < 8 (256 subpixels) + * (3 by default ie 8 subpixels) + */ + public static int getSubPixel_Log2_Y() { + return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 1, 8); + } + + /** + * Return the log(2) corresponding to the square tile size in pixels + * + * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels) + * (5 by default ie 32x32 pixels) + */ + public static int getTileSize_Log2() { + return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 8); + } + + /** + * Return the log(2) corresponding to the block size in pixels + * + * @return 3 (8 pixels) < block size < 8 (256 pixels) + * (5 by default ie 32 pixels) + */ + public static int getBlockSize_Log2() { + return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8); + } + + // RLE / blockFlags settings + + public static boolean isForceRLE() { + return getBoolean("sun.java2d.renderer.forceRLE", "false"); + } + + public static boolean isForceNoRLE() { + return getBoolean("sun.java2d.renderer.forceNoRLE", "false"); + } + + public static boolean isUseTileFlags() { + return getBoolean("sun.java2d.renderer.useTileFlags", "true"); + } + + public static boolean isUseTileFlagsWithHeuristics() { + return isUseTileFlags() + && getBoolean("sun.java2d.renderer.useTileFlags.useHeuristics", "true"); + } + + public static int getRLEMinWidth() { + return getInteger("sun.java2d.renderer.rleMinWidth", 64, 0, Integer.MAX_VALUE); + } + + // optimisation parameters + + public static boolean isUseSimplifier() { + return getBoolean("sun.java2d.renderer.useSimplifier", "false"); + } + + // debugging parameters + + public static boolean isDoStats() { + return getBoolean("sun.java2d.renderer.doStats", "false"); + } + + public static boolean isDoMonitors() { + return getBoolean("sun.java2d.renderer.doMonitors", "false"); + } + + public static boolean isDoChecks() { + return getBoolean("sun.java2d.renderer.doChecks", "false"); + } + + // logging parameters + + public static boolean isUseLogger() { + return getBoolean("sun.java2d.renderer.useLogger", "false"); + } + + public static boolean isLogCreateContext() { + return getBoolean("sun.java2d.renderer.logCreateContext", "false"); + } + + public static boolean isLogUnsafeMalloc() { + return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false"); + } + + // system property utilities + static boolean getBoolean(final String key, final String def) { + return Boolean.valueOf(AccessController.doPrivileged( + new GetPropertyAction(key, def))); + } + + static int getInteger(final String key, final int def, + final int min, final int max) + { + final String property = AccessController.doPrivileged( + new GetPropertyAction(key)); + + int value = def; + if (property != null) { + try { + value = Integer.decode(property); + } catch (NumberFormatException e) { + logInfo("Invalid integer value for " + key + " = " + property); + } + } + + // check for invalid values + if ((value < min) || (value > max)) { + logInfo("Invalid value for " + key + " = " + value + + "; expected value in range[" + min + ", " + max + "] !"); + value = def; + } + return value; + } + +}