author | lbourges |
Mon, 11 Dec 2017 21:14:43 +0100 | |
changeset 48284 | fd7fbc929001 |
parent 47971 | 75686e8da573 |
child 49496 | 1ea202af7a97 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2017, 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.awt.BasicStroke; |
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import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Path2D; |
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import java.awt.geom.PathIterator; |
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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.java2d.ReentrantContextProvider; |
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import sun.java2d.ReentrantContextProviderCLQ; |
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import sun.java2d.ReentrantContextProviderTL; |
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import sun.java2d.pipe.AATileGenerator; |
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import sun.java2d.pipe.Region; |
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import sun.java2d.pipe.RenderingEngine; |
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import sun.security.action.GetPropertyAction; |
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/** |
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* Marlin RendererEngine implementation (derived from Pisces) |
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*/ |
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public final class DMarlinRenderingEngine extends RenderingEngine |
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implements MarlinConst |
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{ |
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private static enum NormMode { |
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ON_WITH_AA { |
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@Override |
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PathIterator getNormalizingPathIterator(final DRendererContext rdrCtx, |
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final PathIterator src) |
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{ |
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// NormalizingPathIterator NearestPixelCenter: |
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return rdrCtx.nPCPathIterator.init(src); |
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} |
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}, |
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ON_NO_AA{ |
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@Override |
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PathIterator getNormalizingPathIterator(final DRendererContext rdrCtx, |
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final PathIterator src) |
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{ |
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// NearestPixel NormalizingPathIterator: |
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return rdrCtx.nPQPathIterator.init(src); |
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} |
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}, |
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OFF{ |
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@Override |
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PathIterator getNormalizingPathIterator(final DRendererContext rdrCtx, |
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final PathIterator src) |
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{ |
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// return original path iterator if normalization is disabled: |
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return src; |
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} |
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}; |
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abstract PathIterator getNormalizingPathIterator(DRendererContext rdrCtx, |
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PathIterator src); |
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} |
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private static final float MIN_PEN_SIZE = 1.0f / NORM_SUBPIXELS; |
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static final double UPPER_BND = Float.MAX_VALUE / 2.0d; |
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static final double LOWER_BND = -UPPER_BND; |
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static final boolean DO_CLIP = MarlinProperties.isDoClip(); |
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static final boolean DO_CLIP_FILL = true; |
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static final boolean DO_TRACE_PATH = false; |
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static final boolean DO_CLIP_RUNTIME_ENABLE = MarlinProperties.isDoClipRuntimeFlag(); |
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/** |
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* Public constructor |
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*/ |
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public DMarlinRenderingEngine() { |
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super(); |
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logSettings(DMarlinRenderingEngine.class.getName()); |
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} |
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/** |
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* Create a widened path as specified by the parameters. |
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* <p> |
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* The specified {@code src} {@link Shape} is widened according |
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* to the specified attribute parameters as per the |
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* {@link BasicStroke} specification. |
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* |
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* @param src the source path to be widened |
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* @param width the width of the widened path as per {@code BasicStroke} |
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* @param caps the end cap decorations as per {@code BasicStroke} |
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* @param join the segment join decorations as per {@code BasicStroke} |
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* @param miterlimit the miter limit as per {@code BasicStroke} |
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* @param dashes the dash length array as per {@code BasicStroke} |
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* @param dashphase the initial dash phase as per {@code BasicStroke} |
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* @return the widened path stored in a new {@code Shape} object |
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* @since 1.7 |
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*/ |
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@Override |
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public Shape createStrokedShape(Shape src, |
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float width, |
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int caps, |
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int join, |
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float miterlimit, |
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float[] dashes, |
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float dashphase) |
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{ |
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final DRendererContext rdrCtx = getRendererContext(); |
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try { |
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// initialize a large copyable Path2D to avoid a lot of array growing: |
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final Path2D.Double p2d = rdrCtx.getPath2D(); |
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strokeTo(rdrCtx, |
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src, |
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null, |
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width, |
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NormMode.OFF, |
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caps, |
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join, |
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miterlimit, |
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dashes, |
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dashphase, |
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rdrCtx.transformerPC2D.wrapPath2D(p2d) |
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); |
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// Use Path2D copy constructor (trim) |
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return new Path2D.Double(p2d); |
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} finally { |
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// recycle the DRendererContext instance |
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returnRendererContext(rdrCtx); |
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} |
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} |
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/** |
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* Sends the geometry for a widened path as specified by the parameters |
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* to the specified consumer. |
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* <p> |
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* The specified {@code src} {@link Shape} is widened according |
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* to the parameters specified by the {@link BasicStroke} object. |
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* Adjustments are made to the path as appropriate for the |
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* {@link java.awt.RenderingHints#VALUE_STROKE_NORMALIZE} hint if the |
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* {@code normalize} boolean parameter is true. |
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* Adjustments are made to the path as appropriate for the |
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* {@link java.awt.RenderingHints#VALUE_ANTIALIAS_ON} hint if the |
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* {@code antialias} boolean parameter is true. |
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* <p> |
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* The geometry of the widened path is forwarded to the indicated |
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* {@link DPathConsumer2D} object as it is calculated. |
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* |
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* @param src the source path to be widened |
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* @param bs the {@code BasicSroke} object specifying the |
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* decorations to be applied to the widened path |
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* @param normalize indicates whether stroke normalization should |
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* be applied |
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* @param antialias indicates whether or not adjustments appropriate |
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* to antialiased rendering should be applied |
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* @param consumer the {@code DPathConsumer2D} instance to forward |
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* the widened geometry to |
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* @since 1.7 |
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*/ |
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@Override |
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public void strokeTo(Shape src, |
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AffineTransform at, |
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BasicStroke bs, |
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boolean thin, |
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boolean normalize, |
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boolean antialias, |
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final sun.awt.geom.PathConsumer2D consumer) |
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{ |
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final NormMode norm = (normalize) ? |
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((antialias) ? NormMode.ON_WITH_AA : NormMode.ON_NO_AA) |
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: NormMode.OFF; |
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final DRendererContext rdrCtx = getRendererContext(); |
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try { |
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strokeTo(rdrCtx, src, at, bs, thin, norm, antialias, |
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rdrCtx.p2dAdapter.init(consumer)); |
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} finally { |
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// recycle the DRendererContext instance |
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returnRendererContext(rdrCtx); |
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} |
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} |
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void strokeTo(final DRendererContext rdrCtx, |
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Shape src, |
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AffineTransform at, |
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BasicStroke bs, |
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boolean thin, |
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NormMode normalize, |
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boolean antialias, |
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DPathConsumer2D pc2d) |
47126 | 213 |
{ |
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double lw; |
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if (thin) { |
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if (antialias) { |
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lw = userSpaceLineWidth(at, MIN_PEN_SIZE); |
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} else { |
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lw = userSpaceLineWidth(at, 1.0d); |
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} |
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} else { |
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lw = bs.getLineWidth(); |
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} |
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strokeTo(rdrCtx, |
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src, |
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at, |
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lw, |
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normalize, |
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bs.getEndCap(), |
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bs.getLineJoin(), |
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bs.getMiterLimit(), |
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bs.getDashArray(), |
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bs.getDashPhase(), |
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pc2d); |
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} |
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private double userSpaceLineWidth(AffineTransform at, double lw) { |
47126 | 238 |
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double widthScale; |
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if (at == null) { |
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widthScale = 1.0d; |
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} else if ((at.getType() & (AffineTransform.TYPE_GENERAL_TRANSFORM | |
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AffineTransform.TYPE_GENERAL_SCALE)) != 0) { |
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widthScale = Math.sqrt(at.getDeterminant()); |
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} else { |
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// First calculate the "maximum scale" of this transform. |
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248 |
double A = at.getScaleX(); // m00 |
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249 |
double C = at.getShearX(); // m01 |
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250 |
double B = at.getShearY(); // m10 |
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double D = at.getScaleY(); // m11 |
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252 |
||
253 |
/* |
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254 |
* Given a 2 x 2 affine matrix [ A B ] such that |
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255 |
* [ C D ] |
|
256 |
* v' = [x' y'] = [Ax + Cy, Bx + Dy], we want to |
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257 |
* find the maximum magnitude (norm) of the vector v' |
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* with the constraint (x^2 + y^2 = 1). |
|
259 |
* The equation to maximize is |
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260 |
* |v'| = sqrt((Ax+Cy)^2+(Bx+Dy)^2) |
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* or |v'| = sqrt((AA+BB)x^2 + 2(AC+BD)xy + (CC+DD)y^2). |
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262 |
* Since sqrt is monotonic we can maximize |v'|^2 |
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263 |
* instead and plug in the substitution y = sqrt(1 - x^2). |
|
264 |
* Trigonometric equalities can then be used to get |
|
265 |
* rid of most of the sqrt terms. |
|
266 |
*/ |
|
267 |
||
268 |
double EA = A*A + B*B; // x^2 coefficient |
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double EB = 2.0d * (A*C + B*D); // xy coefficient |
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270 |
double EC = C*C + D*D; // y^2 coefficient |
|
271 |
||
272 |
/* |
|
273 |
* There is a lot of calculus omitted here. |
|
274 |
* |
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275 |
* Conceptually, in the interests of understanding the |
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276 |
* terms that the calculus produced we can consider |
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277 |
* that EA and EC end up providing the lengths along |
|
278 |
* the major axes and the hypot term ends up being an |
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279 |
* adjustment for the additional length along the off-axis |
|
280 |
* angle of rotated or sheared ellipses as well as an |
|
281 |
* adjustment for the fact that the equation below |
|
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* averages the two major axis lengths. (Notice that |
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283 |
* the hypot term contains a part which resolves to the |
|
284 |
* difference of these two axis lengths in the absence |
|
285 |
* of rotation.) |
|
286 |
* |
|
287 |
* In the calculus, the ratio of the EB and (EA-EC) terms |
|
288 |
* ends up being the tangent of 2*theta where theta is |
|
289 |
* the angle that the long axis of the ellipse makes |
|
290 |
* with the horizontal axis. Thus, this equation is |
|
291 |
* calculating the length of the hypotenuse of a triangle |
|
292 |
* along that axis. |
|
293 |
*/ |
|
294 |
||
295 |
double hypot = Math.sqrt(EB*EB + (EA-EC)*(EA-EC)); |
|
296 |
// sqrt omitted, compare to squared limits below. |
|
297 |
double widthsquared = ((EA + EC + hypot) / 2.0d); |
|
298 |
||
299 |
widthScale = Math.sqrt(widthsquared); |
|
300 |
} |
|
301 |
||
302 |
return (lw / widthScale); |
|
303 |
} |
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304 |
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void strokeTo(final DRendererContext rdrCtx, |
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Shape src, |
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AffineTransform at, |
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double width, |
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NormMode norm, |
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int caps, |
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311 |
int join, |
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float miterlimit, |
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float[] dashes, |
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314 |
float dashphase, |
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315 |
DPathConsumer2D pc2d) |
47126 | 316 |
{ |
317 |
// We use strokerat so that in Stroker and Dasher we can work only |
|
318 |
// with the pre-transformation coordinates. This will repeat a lot of |
|
319 |
// computations done in the path iterator, but the alternative is to |
|
320 |
// work with transformed paths and compute untransformed coordinates |
|
321 |
// as needed. This would be faster but I do not think the complexity |
|
322 |
// of working with both untransformed and transformed coordinates in |
|
323 |
// the same code is worth it. |
|
324 |
// However, if a path's width is constant after a transformation, |
|
325 |
// we can skip all this untransforming. |
|
326 |
||
327 |
// As pathTo() will check transformed coordinates for invalid values |
|
328 |
// (NaN / Infinity) to ignore such points, it is necessary to apply the |
|
329 |
// transformation before the path processing. |
|
330 |
AffineTransform strokerat = null; |
|
331 |
||
332 |
int dashLen = -1; |
|
333 |
boolean recycleDashes = false; |
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334 |
double scale = 1.0d; |
47126 | 335 |
double[] dashesD = null; |
336 |
||
337 |
// Ensure converting dashes to double precision: |
|
338 |
if (dashes != null) { |
|
339 |
recycleDashes = true; |
|
340 |
dashLen = dashes.length; |
|
341 |
dashesD = rdrCtx.dasher.copyDashArray(dashes); |
|
342 |
} |
|
343 |
||
344 |
if (at != null && !at.isIdentity()) { |
|
345 |
final double a = at.getScaleX(); |
|
346 |
final double b = at.getShearX(); |
|
347 |
final double c = at.getShearY(); |
|
348 |
final double d = at.getScaleY(); |
|
349 |
final double det = a * d - c * b; |
|
350 |
||
351 |
if (Math.abs(det) <= (2.0d * Double.MIN_VALUE)) { |
|
352 |
// this rendering engine takes one dimensional curves and turns |
|
353 |
// them into 2D shapes by giving them width. |
|
354 |
// However, if everything is to be passed through a singular |
|
355 |
// transformation, these 2D shapes will be squashed down to 1D |
|
356 |
// again so, nothing can be drawn. |
|
357 |
||
358 |
// Every path needs an initial moveTo and a pathDone. If these |
|
359 |
// are not there this causes a SIGSEGV in libawt.so (at the time |
|
360 |
// of writing of this comment (September 16, 2010)). Actually, |
|
361 |
// I am not sure if the moveTo is necessary to avoid the SIGSEGV |
|
362 |
// but the pathDone is definitely needed. |
|
363 |
pc2d.moveTo(0.0d, 0.0d); |
|
364 |
pc2d.pathDone(); |
|
365 |
return; |
|
366 |
} |
|
367 |
||
368 |
// If the transform is a constant multiple of an orthogonal transformation |
|
369 |
// then every length is just multiplied by a constant, so we just |
|
370 |
// need to transform input paths to stroker and tell stroker |
|
371 |
// the scaled width. This condition is satisfied if |
|
372 |
// a*b == -c*d && a*a+c*c == b*b+d*d. In the actual check below, we |
|
373 |
// leave a bit of room for error. |
|
374 |
if (nearZero(a*b + c*d) && nearZero(a*a + c*c - (b*b + d*d))) { |
|
48284
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|
375 |
scale = Math.sqrt(a*a + c*c); |
47126 | 376 |
|
377 |
if (dashesD != null) { |
|
378 |
for (int i = 0; i < dashLen; i++) { |
|
379 |
dashesD[i] *= scale; |
|
380 |
} |
|
381 |
dashphase *= scale; |
|
382 |
} |
|
383 |
width *= scale; |
|
384 |
||
385 |
// by now strokerat == null. Input paths to |
|
386 |
// stroker (and maybe dasher) will have the full transform at |
|
387 |
// applied to them and nothing will happen to the output paths. |
|
388 |
} else { |
|
389 |
strokerat = at; |
|
390 |
||
391 |
// by now strokerat == at. Input paths to |
|
392 |
// stroker (and maybe dasher) will have the full transform at |
|
393 |
// applied to them, then they will be normalized, and then |
|
394 |
// the inverse of *only the non translation part of at* will |
|
395 |
// be applied to the normalized paths. This won't cause problems |
|
396 |
// in stroker, because, suppose at = T*A, where T is just the |
|
397 |
// translation part of at, and A is the rest. T*A has already |
|
398 |
// been applied to Stroker/Dasher's input. Then Ainv will be |
|
399 |
// applied. Ainv*T*A is not equal to T, but it is a translation, |
|
400 |
// which means that none of stroker's assumptions about its |
|
401 |
// input will be violated. After all this, A will be applied |
|
402 |
// to stroker's output. |
|
403 |
} |
|
404 |
} else { |
|
405 |
// either at is null or it's the identity. In either case |
|
406 |
// we don't transform the path. |
|
407 |
at = null; |
|
408 |
} |
|
409 |
||
48284
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diff
changeset
|
410 |
final DTransformingPathConsumer2D transformerPC2D = rdrCtx.transformerPC2D; |
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|
411 |
|
fd7fbc929001
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changeset
|
412 |
if (DO_TRACE_PATH) { |
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parents:
47971
diff
changeset
|
413 |
// trace Stroker: |
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diff
changeset
|
414 |
pc2d = transformerPC2D.traceStroker(pc2d); |
fd7fbc929001
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diff
changeset
|
415 |
} |
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diff
changeset
|
416 |
|
47126 | 417 |
if (USE_SIMPLIFIER) { |
418 |
// Use simplifier after stroker before Renderer |
|
419 |
// to remove collinear segments (notably due to cap square) |
|
420 |
pc2d = rdrCtx.simplifier.init(pc2d); |
|
421 |
} |
|
422 |
||
48284
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changeset
|
423 |
// deltaTransformConsumer may adjust the clip rectangle: |
47126 | 424 |
pc2d = transformerPC2D.deltaTransformConsumer(pc2d, strokerat); |
425 |
||
48284
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diff
changeset
|
426 |
// stroker will adjust the clip rectangle (width / miter limit): |
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diff
changeset
|
427 |
pc2d = rdrCtx.stroker.init(pc2d, width, caps, join, miterlimit, scale); |
47126 | 428 |
|
429 |
if (dashesD != null) { |
|
430 |
pc2d = rdrCtx.dasher.init(pc2d, dashesD, dashLen, dashphase, |
|
431 |
recycleDashes); |
|
48284
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changeset
|
432 |
} else if (rdrCtx.doClip && (caps != Stroker.CAP_BUTT)) { |
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diff
changeset
|
433 |
if (DO_TRACE_PATH) { |
fd7fbc929001
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parents:
47971
diff
changeset
|
434 |
pc2d = transformerPC2D.traceClosedPathDetector(pc2d); |
fd7fbc929001
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changeset
|
435 |
} |
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diff
changeset
|
436 |
|
fd7fbc929001
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parents:
47971
diff
changeset
|
437 |
// If no dash and clip is enabled: |
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47971
diff
changeset
|
438 |
// detect closedPaths (polygons) for caps |
fd7fbc929001
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lbourges
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diff
changeset
|
439 |
pc2d = transformerPC2D.detectClosedPath(pc2d); |
47126 | 440 |
} |
441 |
pc2d = transformerPC2D.inverseDeltaTransformConsumer(pc2d, strokerat); |
|
442 |
||
48284
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changeset
|
443 |
if (DO_TRACE_PATH) { |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
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parents:
47971
diff
changeset
|
444 |
// trace Input: |
fd7fbc929001
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lbourges
parents:
47971
diff
changeset
|
445 |
pc2d = transformerPC2D.traceInput(pc2d); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
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parents:
47971
diff
changeset
|
446 |
} |
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diff
changeset
|
447 |
|
47126 | 448 |
final PathIterator pi = norm.getNormalizingPathIterator(rdrCtx, |
449 |
src.getPathIterator(at)); |
|
450 |
||
451 |
pathTo(rdrCtx, pi, pc2d); |
|
452 |
||
453 |
/* |
|
454 |
* Pipeline seems to be: |
|
455 |
* shape.getPathIterator(at) |
|
456 |
* -> (NormalizingPathIterator) |
|
457 |
* -> (inverseDeltaTransformConsumer) |
|
458 |
* -> (Dasher) |
|
459 |
* -> Stroker |
|
460 |
* -> (deltaTransformConsumer) |
|
461 |
* |
|
462 |
* -> (CollinearSimplifier) to remove redundant segments |
|
463 |
* |
|
464 |
* -> pc2d = Renderer (bounding box) |
|
465 |
*/ |
|
466 |
} |
|
467 |
||
468 |
private static boolean nearZero(final double num) { |
|
469 |
return Math.abs(num) < 2.0d * Math.ulp(num); |
|
470 |
} |
|
471 |
||
472 |
abstract static class NormalizingPathIterator implements PathIterator { |
|
473 |
||
474 |
private PathIterator src; |
|
475 |
||
476 |
// the adjustment applied to the current position. |
|
477 |
private double curx_adjust, cury_adjust; |
|
478 |
// the adjustment applied to the last moveTo position. |
|
479 |
private double movx_adjust, movy_adjust; |
|
480 |
||
481 |
private final double[] tmp; |
|
482 |
||
483 |
NormalizingPathIterator(final double[] tmp) { |
|
484 |
this.tmp = tmp; |
|
485 |
} |
|
486 |
||
487 |
final NormalizingPathIterator init(final PathIterator src) { |
|
488 |
this.src = src; |
|
489 |
return this; // fluent API |
|
490 |
} |
|
491 |
||
492 |
/** |
|
493 |
* Disposes this path iterator: |
|
494 |
* clean up before reusing this instance |
|
495 |
*/ |
|
496 |
final void dispose() { |
|
497 |
// free source PathIterator: |
|
498 |
this.src = null; |
|
499 |
} |
|
500 |
||
501 |
@Override |
|
502 |
public final int currentSegment(final double[] coords) { |
|
503 |
int lastCoord; |
|
504 |
final int type = src.currentSegment(coords); |
|
505 |
||
506 |
switch(type) { |
|
507 |
case PathIterator.SEG_MOVETO: |
|
508 |
case PathIterator.SEG_LINETO: |
|
509 |
lastCoord = 0; |
|
510 |
break; |
|
511 |
case PathIterator.SEG_QUADTO: |
|
512 |
lastCoord = 2; |
|
513 |
break; |
|
514 |
case PathIterator.SEG_CUBICTO: |
|
515 |
lastCoord = 4; |
|
516 |
break; |
|
517 |
case PathIterator.SEG_CLOSE: |
|
518 |
// we don't want to deal with this case later. We just exit now |
|
519 |
curx_adjust = movx_adjust; |
|
520 |
cury_adjust = movy_adjust; |
|
521 |
return type; |
|
522 |
default: |
|
523 |
throw new InternalError("Unrecognized curve type"); |
|
524 |
} |
|
525 |
||
526 |
// normalize endpoint |
|
527 |
double coord, x_adjust, y_adjust; |
|
528 |
||
529 |
coord = coords[lastCoord]; |
|
530 |
x_adjust = normCoord(coord); // new coord |
|
531 |
coords[lastCoord] = x_adjust; |
|
532 |
x_adjust -= coord; |
|
533 |
||
534 |
coord = coords[lastCoord + 1]; |
|
535 |
y_adjust = normCoord(coord); // new coord |
|
536 |
coords[lastCoord + 1] = y_adjust; |
|
537 |
y_adjust -= coord; |
|
538 |
||
539 |
// now that the end points are done, normalize the control points |
|
540 |
switch(type) { |
|
541 |
case PathIterator.SEG_MOVETO: |
|
542 |
movx_adjust = x_adjust; |
|
543 |
movy_adjust = y_adjust; |
|
544 |
break; |
|
545 |
case PathIterator.SEG_LINETO: |
|
546 |
break; |
|
547 |
case PathIterator.SEG_QUADTO: |
|
548 |
coords[0] += (curx_adjust + x_adjust) / 2.0d; |
|
549 |
coords[1] += (cury_adjust + y_adjust) / 2.0d; |
|
550 |
break; |
|
551 |
case PathIterator.SEG_CUBICTO: |
|
552 |
coords[0] += curx_adjust; |
|
553 |
coords[1] += cury_adjust; |
|
554 |
coords[2] += x_adjust; |
|
555 |
coords[3] += y_adjust; |
|
556 |
break; |
|
557 |
case PathIterator.SEG_CLOSE: |
|
558 |
// handled earlier |
|
559 |
default: |
|
560 |
} |
|
561 |
curx_adjust = x_adjust; |
|
562 |
cury_adjust = y_adjust; |
|
563 |
return type; |
|
564 |
} |
|
565 |
||
566 |
abstract double normCoord(final double coord); |
|
567 |
||
568 |
@Override |
|
569 |
public final int currentSegment(final float[] coords) { |
|
570 |
final double[] _tmp = tmp; // dirty |
|
571 |
int type = this.currentSegment(_tmp); |
|
572 |
for (int i = 0; i < 6; i++) { |
|
573 |
coords[i] = (float)_tmp[i]; |
|
574 |
} |
|
575 |
return type; |
|
576 |
} |
|
577 |
||
578 |
@Override |
|
579 |
public final int getWindingRule() { |
|
580 |
return src.getWindingRule(); |
|
581 |
} |
|
582 |
||
583 |
@Override |
|
584 |
public final boolean isDone() { |
|
585 |
if (src.isDone()) { |
|
586 |
// Dispose this instance: |
|
587 |
dispose(); |
|
588 |
return true; |
|
589 |
} |
|
590 |
return false; |
|
591 |
} |
|
592 |
||
593 |
@Override |
|
594 |
public final void next() { |
|
595 |
src.next(); |
|
596 |
} |
|
597 |
||
598 |
static final class NearestPixelCenter |
|
599 |
extends NormalizingPathIterator |
|
600 |
{ |
|
601 |
NearestPixelCenter(final double[] tmp) { |
|
602 |
super(tmp); |
|
603 |
} |
|
604 |
||
605 |
@Override |
|
606 |
double normCoord(final double coord) { |
|
607 |
// round to nearest pixel center |
|
608 |
return Math.floor(coord) + 0.5d; |
|
609 |
} |
|
610 |
} |
|
611 |
||
612 |
static final class NearestPixelQuarter |
|
613 |
extends NormalizingPathIterator |
|
614 |
{ |
|
615 |
NearestPixelQuarter(final double[] tmp) { |
|
616 |
super(tmp); |
|
617 |
} |
|
618 |
||
619 |
@Override |
|
620 |
double normCoord(final double coord) { |
|
621 |
// round to nearest (0.25, 0.25) pixel quarter |
|
622 |
return Math.floor(coord + 0.25d) + 0.25d; |
|
623 |
} |
|
624 |
} |
|
625 |
} |
|
626 |
||
627 |
private static void pathTo(final DRendererContext rdrCtx, final PathIterator pi, |
|
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
628 |
DPathConsumer2D pc2d) |
47126 | 629 |
{ |
630 |
// mark context as DIRTY: |
|
631 |
rdrCtx.dirty = true; |
|
632 |
||
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
633 |
pathToLoop(rdrCtx.double6, pi, pc2d); |
47126 | 634 |
|
635 |
// mark context as CLEAN: |
|
636 |
rdrCtx.dirty = false; |
|
637 |
} |
|
638 |
||
639 |
private static void pathToLoop(final double[] coords, final PathIterator pi, |
|
640 |
final DPathConsumer2D pc2d) |
|
641 |
{ |
|
642 |
// ported from DuctusRenderingEngine.feedConsumer() but simplified: |
|
643 |
// - removed skip flag = !subpathStarted |
|
644 |
// - removed pathClosed (ie subpathStarted not set to false) |
|
645 |
boolean subpathStarted = false; |
|
646 |
||
647 |
for (; !pi.isDone(); pi.next()) { |
|
648 |
switch (pi.currentSegment(coords)) { |
|
649 |
case PathIterator.SEG_MOVETO: |
|
650 |
/* Checking SEG_MOVETO coordinates if they are out of the |
|
651 |
* [LOWER_BND, UPPER_BND] range. This check also handles NaN |
|
652 |
* and Infinity values. Skipping next path segment in case of |
|
653 |
* invalid data. |
|
654 |
*/ |
|
655 |
if (coords[0] < UPPER_BND && coords[0] > LOWER_BND && |
|
656 |
coords[1] < UPPER_BND && coords[1] > LOWER_BND) |
|
657 |
{ |
|
658 |
pc2d.moveTo(coords[0], coords[1]); |
|
659 |
subpathStarted = true; |
|
660 |
} |
|
661 |
break; |
|
662 |
case PathIterator.SEG_LINETO: |
|
663 |
/* Checking SEG_LINETO coordinates if they are out of the |
|
664 |
* [LOWER_BND, UPPER_BND] range. This check also handles NaN |
|
665 |
* and Infinity values. Ignoring current path segment in case |
|
666 |
* of invalid data. If segment is skipped its endpoint |
|
667 |
* (if valid) is used to begin new subpath. |
|
668 |
*/ |
|
669 |
if (coords[0] < UPPER_BND && coords[0] > LOWER_BND && |
|
670 |
coords[1] < UPPER_BND && coords[1] > LOWER_BND) |
|
671 |
{ |
|
672 |
if (subpathStarted) { |
|
673 |
pc2d.lineTo(coords[0], coords[1]); |
|
674 |
} else { |
|
675 |
pc2d.moveTo(coords[0], coords[1]); |
|
676 |
subpathStarted = true; |
|
677 |
} |
|
678 |
} |
|
679 |
break; |
|
680 |
case PathIterator.SEG_QUADTO: |
|
681 |
// Quadratic curves take two points |
|
682 |
/* Checking SEG_QUADTO coordinates if they are out of the |
|
683 |
* [LOWER_BND, UPPER_BND] range. This check also handles NaN |
|
684 |
* and Infinity values. Ignoring current path segment in case |
|
685 |
* of invalid endpoints's data. Equivalent to the SEG_LINETO |
|
686 |
* if endpoint coordinates are valid but there are invalid data |
|
687 |
* among other coordinates |
|
688 |
*/ |
|
689 |
if (coords[2] < UPPER_BND && coords[2] > LOWER_BND && |
|
690 |
coords[3] < UPPER_BND && coords[3] > LOWER_BND) |
|
691 |
{ |
|
692 |
if (subpathStarted) { |
|
693 |
if (coords[0] < UPPER_BND && coords[0] > LOWER_BND && |
|
694 |
coords[1] < UPPER_BND && coords[1] > LOWER_BND) |
|
695 |
{ |
|
696 |
pc2d.quadTo(coords[0], coords[1], |
|
697 |
coords[2], coords[3]); |
|
698 |
} else { |
|
699 |
pc2d.lineTo(coords[2], coords[3]); |
|
700 |
} |
|
701 |
} else { |
|
702 |
pc2d.moveTo(coords[2], coords[3]); |
|
703 |
subpathStarted = true; |
|
704 |
} |
|
705 |
} |
|
706 |
break; |
|
707 |
case PathIterator.SEG_CUBICTO: |
|
708 |
// Cubic curves take three points |
|
709 |
/* Checking SEG_CUBICTO coordinates if they are out of the |
|
710 |
* [LOWER_BND, UPPER_BND] range. This check also handles NaN |
|
711 |
* and Infinity values. Ignoring current path segment in case |
|
712 |
* of invalid endpoints's data. Equivalent to the SEG_LINETO |
|
713 |
* if endpoint coordinates are valid but there are invalid data |
|
714 |
* among other coordinates |
|
715 |
*/ |
|
716 |
if (coords[4] < UPPER_BND && coords[4] > LOWER_BND && |
|
717 |
coords[5] < UPPER_BND && coords[5] > LOWER_BND) |
|
718 |
{ |
|
719 |
if (subpathStarted) { |
|
720 |
if (coords[0] < UPPER_BND && coords[0] > LOWER_BND && |
|
721 |
coords[1] < UPPER_BND && coords[1] > LOWER_BND && |
|
722 |
coords[2] < UPPER_BND && coords[2] > LOWER_BND && |
|
723 |
coords[3] < UPPER_BND && coords[3] > LOWER_BND) |
|
724 |
{ |
|
725 |
pc2d.curveTo(coords[0], coords[1], |
|
726 |
coords[2], coords[3], |
|
727 |
coords[4], coords[5]); |
|
728 |
} else { |
|
729 |
pc2d.lineTo(coords[4], coords[5]); |
|
730 |
} |
|
731 |
} else { |
|
732 |
pc2d.moveTo(coords[4], coords[5]); |
|
733 |
subpathStarted = true; |
|
734 |
} |
|
735 |
} |
|
736 |
break; |
|
737 |
case PathIterator.SEG_CLOSE: |
|
738 |
if (subpathStarted) { |
|
739 |
pc2d.closePath(); |
|
740 |
// do not set subpathStarted to false |
|
741 |
// in case of missing moveTo() after close() |
|
742 |
} |
|
743 |
break; |
|
744 |
default: |
|
745 |
} |
|
746 |
} |
|
747 |
pc2d.pathDone(); |
|
748 |
} |
|
749 |
||
750 |
/** |
|
751 |
* Construct an antialiased tile generator for the given shape with |
|
752 |
* the given rendering attributes and store the bounds of the tile |
|
753 |
* iteration in the bbox parameter. |
|
754 |
* The {@code at} parameter specifies a transform that should affect |
|
755 |
* both the shape and the {@code BasicStroke} attributes. |
|
756 |
* The {@code clip} parameter specifies the current clip in effect |
|
757 |
* in device coordinates and can be used to prune the data for the |
|
758 |
* operation, but the renderer is not required to perform any |
|
759 |
* clipping. |
|
760 |
* If the {@code BasicStroke} parameter is null then the shape |
|
761 |
* should be filled as is, otherwise the attributes of the |
|
762 |
* {@code BasicStroke} should be used to specify a draw operation. |
|
763 |
* The {@code thin} parameter indicates whether or not the |
|
764 |
* transformed {@code BasicStroke} represents coordinates smaller |
|
765 |
* than the minimum resolution of the antialiasing rasterizer as |
|
766 |
* specified by the {@code getMinimumAAPenWidth()} method. |
|
767 |
* <p> |
|
768 |
* Upon returning, this method will fill the {@code bbox} parameter |
|
769 |
* with 4 values indicating the bounds of the iteration of the |
|
770 |
* tile generator. |
|
771 |
* The iteration order of the tiles will be as specified by the |
|
772 |
* pseudo-code: |
|
773 |
* <pre> |
|
774 |
* for (y = bbox[1]; y < bbox[3]; y += tileheight) { |
|
775 |
* for (x = bbox[0]; x < bbox[2]; x += tilewidth) { |
|
776 |
* } |
|
777 |
* } |
|
778 |
* </pre> |
|
779 |
* If there is no output to be rendered, this method may return |
|
780 |
* null. |
|
781 |
* |
|
782 |
* @param s the shape to be rendered (fill or draw) |
|
783 |
* @param at the transform to be applied to the shape and the |
|
784 |
* stroke attributes |
|
785 |
* @param clip the current clip in effect in device coordinates |
|
786 |
* @param bs if non-null, a {@code BasicStroke} whose attributes |
|
787 |
* should be applied to this operation |
|
788 |
* @param thin true if the transformed stroke attributes are smaller |
|
789 |
* than the minimum dropout pen width |
|
790 |
* @param normalize true if the {@code VALUE_STROKE_NORMALIZE} |
|
791 |
* {@code RenderingHint} is in effect |
|
792 |
* @param bbox returns the bounds of the iteration |
|
793 |
* @return the {@code AATileGenerator} instance to be consulted |
|
794 |
* for tile coverages, or null if there is no output to render |
|
795 |
* @since 1.7 |
|
796 |
*/ |
|
797 |
@Override |
|
798 |
public AATileGenerator getAATileGenerator(Shape s, |
|
799 |
AffineTransform at, |
|
800 |
Region clip, |
|
801 |
BasicStroke bs, |
|
802 |
boolean thin, |
|
803 |
boolean normalize, |
|
804 |
int[] bbox) |
|
805 |
{ |
|
806 |
MarlinTileGenerator ptg = null; |
|
807 |
DRenderer r = null; |
|
808 |
||
809 |
final DRendererContext rdrCtx = getRendererContext(); |
|
810 |
try { |
|
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
811 |
if (DO_CLIP || (DO_CLIP_RUNTIME_ENABLE && MarlinProperties.isDoClipAtRuntime())) { |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
812 |
// Define the initial clip bounds: |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
813 |
final double[] clipRect = rdrCtx.clipRect; |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
814 |
|
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
815 |
clipRect[0] = clip.getLoY(); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
816 |
clipRect[1] = clip.getLoY() + clip.getHeight(); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
817 |
clipRect[2] = clip.getLoX(); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
818 |
clipRect[3] = clip.getLoX() + clip.getWidth(); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
819 |
|
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
820 |
// Enable clipping: |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
821 |
rdrCtx.doClip = true; |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
822 |
} |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
823 |
|
47126 | 824 |
// Test if at is identity: |
825 |
final AffineTransform _at = (at != null && !at.isIdentity()) ? at |
|
826 |
: null; |
|
827 |
||
828 |
final NormMode norm = (normalize) ? NormMode.ON_WITH_AA : NormMode.OFF; |
|
829 |
||
830 |
if (bs == null) { |
|
831 |
// fill shape: |
|
832 |
final PathIterator pi = norm.getNormalizingPathIterator(rdrCtx, |
|
833 |
s.getPathIterator(_at)); |
|
834 |
||
835 |
// note: Winding rule may be EvenOdd ONLY for fill operations ! |
|
836 |
r = rdrCtx.renderer.init(clip.getLoX(), clip.getLoY(), |
|
837 |
clip.getWidth(), clip.getHeight(), |
|
838 |
pi.getWindingRule()); |
|
839 |
||
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
840 |
DPathConsumer2D pc2d = r; |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
841 |
|
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
842 |
if (DO_CLIP_FILL && rdrCtx.doClip) { |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
843 |
if (DO_TRACE_PATH) { |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
844 |
// trace Filler: |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
845 |
pc2d = rdrCtx.transformerPC2D.traceFiller(pc2d); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
846 |
} |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
847 |
pc2d = rdrCtx.transformerPC2D.pathClipper(pc2d); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
848 |
} |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
849 |
|
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
850 |
if (DO_TRACE_PATH) { |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
851 |
// trace Input: |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
852 |
pc2d = rdrCtx.transformerPC2D.traceInput(pc2d); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
853 |
} |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
854 |
|
47126 | 855 |
// TODO: subdivide quad/cubic curves into monotonic curves ? |
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
856 |
pathTo(rdrCtx, pi, pc2d); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
857 |
|
47126 | 858 |
} else { |
859 |
// draw shape with given stroke: |
|
860 |
r = rdrCtx.renderer.init(clip.getLoX(), clip.getLoY(), |
|
861 |
clip.getWidth(), clip.getHeight(), |
|
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
862 |
WIND_NON_ZERO); |
47126 | 863 |
|
864 |
strokeTo(rdrCtx, s, _at, bs, thin, norm, true, r); |
|
865 |
} |
|
866 |
if (r.endRendering()) { |
|
867 |
ptg = rdrCtx.ptg.init(); |
|
868 |
ptg.getBbox(bbox); |
|
869 |
// note: do not returnRendererContext(rdrCtx) |
|
870 |
// as it will be called later by MarlinTileGenerator.dispose() |
|
871 |
r = null; |
|
872 |
} |
|
873 |
} finally { |
|
874 |
if (r != null) { |
|
875 |
// dispose renderer and recycle the RendererContext instance: |
|
876 |
r.dispose(); |
|
877 |
} |
|
878 |
} |
|
879 |
||
880 |
// Return null to cancel AA tile generation (nothing to render) |
|
881 |
return ptg; |
|
882 |
} |
|
883 |
||
884 |
@Override |
|
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
885 |
public AATileGenerator getAATileGenerator(double x, double y, |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
886 |
double dx1, double dy1, |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
887 |
double dx2, double dy2, |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
888 |
double lw1, double lw2, |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
889 |
Region clip, |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
890 |
int[] bbox) |
47126 | 891 |
{ |
892 |
// REMIND: Deal with large coordinates! |
|
893 |
double ldx1, ldy1, ldx2, ldy2; |
|
894 |
boolean innerpgram = (lw1 > 0.0d && lw2 > 0.0d); |
|
895 |
||
896 |
if (innerpgram) { |
|
897 |
ldx1 = dx1 * lw1; |
|
898 |
ldy1 = dy1 * lw1; |
|
899 |
ldx2 = dx2 * lw2; |
|
900 |
ldy2 = dy2 * lw2; |
|
901 |
x -= (ldx1 + ldx2) / 2.0d; |
|
902 |
y -= (ldy1 + ldy2) / 2.0d; |
|
903 |
dx1 += ldx1; |
|
904 |
dy1 += ldy1; |
|
905 |
dx2 += ldx2; |
|
906 |
dy2 += ldy2; |
|
907 |
if (lw1 > 1.0d && lw2 > 1.0d) { |
|
908 |
// Inner parallelogram was entirely consumed by stroke... |
|
909 |
innerpgram = false; |
|
910 |
} |
|
911 |
} else { |
|
912 |
ldx1 = ldy1 = ldx2 = ldy2 = 0.0d; |
|
913 |
} |
|
914 |
||
915 |
MarlinTileGenerator ptg = null; |
|
916 |
DRenderer r = null; |
|
917 |
||
918 |
final DRendererContext rdrCtx = getRendererContext(); |
|
919 |
try { |
|
920 |
r = rdrCtx.renderer.init(clip.getLoX(), clip.getLoY(), |
|
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
921 |
clip.getWidth(), clip.getHeight(), |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
922 |
WIND_EVEN_ODD); |
47126 | 923 |
|
924 |
r.moveTo( x, y); |
|
925 |
r.lineTo( (x+dx1), (y+dy1)); |
|
926 |
r.lineTo( (x+dx1+dx2), (y+dy1+dy2)); |
|
927 |
r.lineTo( (x+dx2), (y+dy2)); |
|
928 |
r.closePath(); |
|
929 |
||
930 |
if (innerpgram) { |
|
931 |
x += ldx1 + ldx2; |
|
932 |
y += ldy1 + ldy2; |
|
933 |
dx1 -= 2.0d * ldx1; |
|
934 |
dy1 -= 2.0d * ldy1; |
|
935 |
dx2 -= 2.0d * ldx2; |
|
936 |
dy2 -= 2.0d * ldy2; |
|
937 |
r.moveTo( x, y); |
|
938 |
r.lineTo( (x+dx1), (y+dy1)); |
|
939 |
r.lineTo( (x+dx1+dx2), (y+dy1+dy2)); |
|
940 |
r.lineTo( (x+dx2), (y+dy2)); |
|
941 |
r.closePath(); |
|
942 |
} |
|
943 |
r.pathDone(); |
|
944 |
||
945 |
if (r.endRendering()) { |
|
946 |
ptg = rdrCtx.ptg.init(); |
|
947 |
ptg.getBbox(bbox); |
|
948 |
// note: do not returnRendererContext(rdrCtx) |
|
949 |
// as it will be called later by MarlinTileGenerator.dispose() |
|
950 |
r = null; |
|
951 |
} |
|
952 |
} finally { |
|
953 |
if (r != null) { |
|
954 |
// dispose renderer and recycle the RendererContext instance: |
|
955 |
r.dispose(); |
|
956 |
} |
|
957 |
} |
|
958 |
||
959 |
// Return null to cancel AA tile generation (nothing to render) |
|
960 |
return ptg; |
|
961 |
} |
|
962 |
||
963 |
/** |
|
964 |
* Returns the minimum pen width that the antialiasing rasterizer |
|
965 |
* can represent without dropouts occuring. |
|
966 |
* @since 1.7 |
|
967 |
*/ |
|
968 |
@Override |
|
969 |
public float getMinimumAAPenSize() { |
|
970 |
return MIN_PEN_SIZE; |
|
971 |
} |
|
972 |
||
973 |
static { |
|
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
974 |
if (PathIterator.WIND_NON_ZERO != WIND_NON_ZERO || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
975 |
PathIterator.WIND_EVEN_ODD != WIND_EVEN_ODD || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
976 |
BasicStroke.JOIN_MITER != JOIN_MITER || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
977 |
BasicStroke.JOIN_ROUND != JOIN_ROUND || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
978 |
BasicStroke.JOIN_BEVEL != JOIN_BEVEL || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
979 |
BasicStroke.CAP_BUTT != CAP_BUTT || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
980 |
BasicStroke.CAP_ROUND != CAP_ROUND || |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
981 |
BasicStroke.CAP_SQUARE != CAP_SQUARE) |
47126 | 982 |
{ |
983 |
throw new InternalError("mismatched renderer constants"); |
|
984 |
} |
|
985 |
} |
|
986 |
||
987 |
// --- DRendererContext handling --- |
|
988 |
// use ThreadLocal or ConcurrentLinkedQueue to get one DRendererContext |
|
989 |
private static final boolean USE_THREAD_LOCAL; |
|
990 |
||
991 |
// reference type stored in either TL or CLQ |
|
992 |
static final int REF_TYPE; |
|
993 |
||
994 |
// Per-thread DRendererContext |
|
995 |
private static final ReentrantContextProvider<DRendererContext> RDR_CTX_PROVIDER; |
|
996 |
||
997 |
// Static initializer to use TL or CLQ mode |
|
998 |
static { |
|
999 |
USE_THREAD_LOCAL = MarlinProperties.isUseThreadLocal(); |
|
1000 |
||
1001 |
// Soft reference by default: |
|
1002 |
final String refType = AccessController.doPrivileged( |
|
1003 |
new GetPropertyAction("sun.java2d.renderer.useRef", |
|
1004 |
"soft")); |
|
1005 |
||
1006 |
// Java 1.6 does not support strings in switch: |
|
1007 |
if ("hard".equalsIgnoreCase(refType)) { |
|
1008 |
REF_TYPE = ReentrantContextProvider.REF_HARD; |
|
1009 |
} else if ("weak".equalsIgnoreCase(refType)) { |
|
1010 |
REF_TYPE = ReentrantContextProvider.REF_WEAK; |
|
1011 |
} else { |
|
1012 |
REF_TYPE = ReentrantContextProvider.REF_SOFT; |
|
1013 |
} |
|
1014 |
||
1015 |
if (USE_THREAD_LOCAL) { |
|
1016 |
RDR_CTX_PROVIDER = new ReentrantContextProviderTL<DRendererContext>(REF_TYPE) |
|
1017 |
{ |
|
1018 |
@Override |
|
1019 |
protected DRendererContext newContext() { |
|
1020 |
return DRendererContext.createContext(); |
|
1021 |
} |
|
1022 |
}; |
|
1023 |
} else { |
|
1024 |
RDR_CTX_PROVIDER = new ReentrantContextProviderCLQ<DRendererContext>(REF_TYPE) |
|
1025 |
{ |
|
1026 |
@Override |
|
1027 |
protected DRendererContext newContext() { |
|
1028 |
return DRendererContext.createContext(); |
|
1029 |
} |
|
1030 |
}; |
|
1031 |
} |
|
1032 |
} |
|
1033 |
||
1034 |
private static boolean SETTINGS_LOGGED = !ENABLE_LOGS; |
|
1035 |
||
1036 |
private static void logSettings(final String reClass) { |
|
1037 |
// log information at startup |
|
1038 |
if (SETTINGS_LOGGED) { |
|
1039 |
return; |
|
1040 |
} |
|
1041 |
SETTINGS_LOGGED = true; |
|
1042 |
||
1043 |
String refType; |
|
1044 |
switch (REF_TYPE) { |
|
1045 |
default: |
|
1046 |
case ReentrantContextProvider.REF_HARD: |
|
1047 |
refType = "hard"; |
|
1048 |
break; |
|
1049 |
case ReentrantContextProvider.REF_SOFT: |
|
1050 |
refType = "soft"; |
|
1051 |
break; |
|
1052 |
case ReentrantContextProvider.REF_WEAK: |
|
1053 |
refType = "weak"; |
|
1054 |
break; |
|
1055 |
} |
|
1056 |
||
1057 |
logInfo("==========================================================" |
|
1058 |
+ "====================="); |
|
1059 |
||
1060 |
logInfo("Marlin software rasterizer = ENABLED"); |
|
1061 |
logInfo("Version = [" |
|
1062 |
+ Version.getVersion() + "]"); |
|
1063 |
logInfo("sun.java2d.renderer = " |
|
1064 |
+ reClass); |
|
1065 |
logInfo("sun.java2d.renderer.useThreadLocal = " |
|
1066 |
+ USE_THREAD_LOCAL); |
|
1067 |
logInfo("sun.java2d.renderer.useRef = " |
|
1068 |
+ refType); |
|
1069 |
||
1070 |
logInfo("sun.java2d.renderer.edges = " |
|
1071 |
+ MarlinConst.INITIAL_EDGES_COUNT); |
|
1072 |
logInfo("sun.java2d.renderer.pixelsize = " |
|
1073 |
+ MarlinConst.INITIAL_PIXEL_DIM); |
|
1074 |
||
1075 |
logInfo("sun.java2d.renderer.subPixel_log2_X = " |
|
1076 |
+ MarlinConst.SUBPIXEL_LG_POSITIONS_X); |
|
1077 |
logInfo("sun.java2d.renderer.subPixel_log2_Y = " |
|
1078 |
+ MarlinConst.SUBPIXEL_LG_POSITIONS_Y); |
|
1079 |
||
1080 |
logInfo("sun.java2d.renderer.tileSize_log2 = " |
|
1081 |
+ MarlinConst.TILE_H_LG); |
|
1082 |
logInfo("sun.java2d.renderer.tileWidth_log2 = " |
|
1083 |
+ MarlinConst.TILE_W_LG); |
|
1084 |
logInfo("sun.java2d.renderer.blockSize_log2 = " |
|
1085 |
+ MarlinConst.BLOCK_SIZE_LG); |
|
1086 |
||
1087 |
// RLE / blockFlags settings |
|
1088 |
||
1089 |
logInfo("sun.java2d.renderer.forceRLE = " |
|
1090 |
+ MarlinProperties.isForceRLE()); |
|
1091 |
logInfo("sun.java2d.renderer.forceNoRLE = " |
|
1092 |
+ MarlinProperties.isForceNoRLE()); |
|
1093 |
logInfo("sun.java2d.renderer.useTileFlags = " |
|
1094 |
+ MarlinProperties.isUseTileFlags()); |
|
1095 |
logInfo("sun.java2d.renderer.useTileFlags.useHeuristics = " |
|
1096 |
+ MarlinProperties.isUseTileFlagsWithHeuristics()); |
|
1097 |
logInfo("sun.java2d.renderer.rleMinWidth = " |
|
1098 |
+ MarlinCache.RLE_MIN_WIDTH); |
|
1099 |
||
1100 |
// optimisation parameters |
|
1101 |
logInfo("sun.java2d.renderer.useSimplifier = " |
|
1102 |
+ MarlinConst.USE_SIMPLIFIER); |
|
1103 |
||
48284
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
1104 |
logInfo("sun.java2d.renderer.clip = " |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
1105 |
+ MarlinProperties.isDoClip()); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
1106 |
logInfo("sun.java2d.renderer.clip.runtime.enable = " |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
1107 |
+ MarlinProperties.isDoClipRuntimeFlag()); |
fd7fbc929001
8191814: Marlin rasterizer spends time computing geometry for stroked segments that do not intersect the clip
lbourges
parents:
47971
diff
changeset
|
1108 |
|
47126 | 1109 |
// debugging parameters |
1110 |
logInfo("sun.java2d.renderer.doStats = " |
|
1111 |
+ MarlinConst.DO_STATS); |
|
1112 |
logInfo("sun.java2d.renderer.doMonitors = " |
|
1113 |
+ MarlinConst.DO_MONITORS); |
|
1114 |
logInfo("sun.java2d.renderer.doChecks = " |
|
1115 |
+ MarlinConst.DO_CHECKS); |
|
1116 |
||
1117 |
// logging parameters |
|
1118 |
logInfo("sun.java2d.renderer.useLogger = " |
|
1119 |
+ MarlinConst.USE_LOGGER); |
|
1120 |
logInfo("sun.java2d.renderer.logCreateContext = " |
|
1121 |
+ MarlinConst.LOG_CREATE_CONTEXT); |
|
1122 |
logInfo("sun.java2d.renderer.logUnsafeMalloc = " |
|
1123 |
+ MarlinConst.LOG_UNSAFE_MALLOC); |
|
1124 |
||
1125 |
// quality settings |
|
1126 |
logInfo("sun.java2d.renderer.cubic_dec_d2 = " |
|
1127 |
+ MarlinProperties.getCubicDecD2()); |
|
1128 |
logInfo("sun.java2d.renderer.cubic_inc_d1 = " |
|
1129 |
+ MarlinProperties.getCubicIncD1()); |
|
1130 |
logInfo("sun.java2d.renderer.quad_dec_d2 = " |
|
1131 |
+ MarlinProperties.getQuadDecD2()); |
|
1132 |
||
1133 |
logInfo("Renderer settings:"); |
|
1134 |
logInfo("CUB_DEC_BND = " + DRenderer.CUB_DEC_BND); |
|
1135 |
logInfo("CUB_INC_BND = " + DRenderer.CUB_INC_BND); |
|
1136 |
logInfo("QUAD_DEC_BND = " + DRenderer.QUAD_DEC_BND); |
|
1137 |
||
1138 |
logInfo("INITIAL_EDGES_CAPACITY = " |
|
1139 |
+ MarlinConst.INITIAL_EDGES_CAPACITY); |
|
1140 |
logInfo("INITIAL_CROSSING_COUNT = " |
|
1141 |
+ DRenderer.INITIAL_CROSSING_COUNT); |
|
1142 |
||
1143 |
logInfo("==========================================================" |
|
1144 |
+ "====================="); |
|
1145 |
} |
|
1146 |
||
1147 |
/** |
|
1148 |
* Get the DRendererContext instance dedicated to the current thread |
|
1149 |
* @return DRendererContext instance |
|
1150 |
*/ |
|
1151 |
@SuppressWarnings({"unchecked"}) |
|
1152 |
static DRendererContext getRendererContext() { |
|
1153 |
final DRendererContext rdrCtx = RDR_CTX_PROVIDER.acquire(); |
|
1154 |
if (DO_MONITORS) { |
|
1155 |
rdrCtx.stats.mon_pre_getAATileGenerator.start(); |
|
1156 |
} |
|
1157 |
return rdrCtx; |
|
1158 |
} |
|
1159 |
||
1160 |
/** |
|
1161 |
* Reset and return the given DRendererContext instance for reuse |
|
1162 |
* @param rdrCtx DRendererContext instance |
|
1163 |
*/ |
|
1164 |
static void returnRendererContext(final DRendererContext rdrCtx) { |
|
1165 |
rdrCtx.dispose(); |
|
1166 |
||
1167 |
if (DO_MONITORS) { |
|
1168 |
rdrCtx.stats.mon_pre_getAATileGenerator.stop(); |
|
1169 |
} |
|
1170 |
RDR_CTX_PROVIDER.release(rdrCtx); |
|
1171 |
} |
|
1172 |
} |