author | lbourges |
Wed, 17 May 2017 22:05:11 +0200 | |
changeset 47126 | 188ef162f019 |
parent 36902 | bb30d89aa00e |
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 sun.awt.geom.PathConsumer2D; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Path2D; |
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final class TransformingPathConsumer2D { |
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TransformingPathConsumer2D() { |
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// used by RendererContext |
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} |
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36902
bb30d89aa00e
8144938: Handle properly coordinate overflow in Marlin Renderer
lbourges
parents:
34417
diff
changeset
|
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// recycled PathConsumer2D instance from wrapPath2d() |
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private final Path2DWrapper wp_Path2DWrapper = new Path2DWrapper(); |
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PathConsumer2D wrapPath2d(Path2D.Float p2d) |
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{ |
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return wp_Path2DWrapper.init(p2d); |
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} |
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// recycled PathConsumer2D instances from deltaTransformConsumer() |
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private final DeltaScaleFilter dt_DeltaScaleFilter = new DeltaScaleFilter(); |
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private final DeltaTransformFilter dt_DeltaTransformFilter = new DeltaTransformFilter(); |
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PathConsumer2D deltaTransformConsumer(PathConsumer2D out, |
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AffineTransform at) |
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{ |
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if (at == null) { |
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return out; |
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} |
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float mxx = (float) at.getScaleX(); |
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float mxy = (float) at.getShearX(); |
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float myx = (float) at.getShearY(); |
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float myy = (float) at.getScaleY(); |
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36902
bb30d89aa00e
8144938: Handle properly coordinate overflow in Marlin Renderer
lbourges
parents:
34417
diff
changeset
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if (mxy == 0.0f && myx == 0.0f) { |
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if (mxx == 1.0f && myy == 1.0f) { |
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return out; |
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} else { |
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return dt_DeltaScaleFilter.init(out, mxx, myy); |
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} |
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} else { |
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return dt_DeltaTransformFilter.init(out, mxx, mxy, myx, myy); |
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} |
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} |
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// recycled PathConsumer2D instances from inverseDeltaTransformConsumer() |
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private final DeltaScaleFilter iv_DeltaScaleFilter = new DeltaScaleFilter(); |
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private final DeltaTransformFilter iv_DeltaTransformFilter = new DeltaTransformFilter(); |
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PathConsumer2D inverseDeltaTransformConsumer(PathConsumer2D out, |
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AffineTransform at) |
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{ |
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if (at == null) { |
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return out; |
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} |
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float mxx = (float) at.getScaleX(); |
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float mxy = (float) at.getShearX(); |
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float myx = (float) at.getShearY(); |
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float myy = (float) at.getScaleY(); |
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36902
bb30d89aa00e
8144938: Handle properly coordinate overflow in Marlin Renderer
lbourges
parents:
34417
diff
changeset
|
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if (mxy == 0.0f && myx == 0.0f) { |
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if (mxx == 1.0f && myy == 1.0f) { |
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return out; |
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} else { |
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return iv_DeltaScaleFilter.init(out, 1.0f/mxx, 1.0f/myy); |
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} |
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} else { |
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float det = mxx * myy - mxy * myx; |
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return iv_DeltaTransformFilter.init(out, |
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myy / det, |
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-mxy / det, |
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-myx / det, |
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mxx / det); |
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} |
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} |
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static final class DeltaScaleFilter implements PathConsumer2D { |
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private PathConsumer2D out; |
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private float sx, sy; |
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DeltaScaleFilter() {} |
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DeltaScaleFilter init(PathConsumer2D out, |
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float mxx, float myy) |
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{ |
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this.out = out; |
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sx = mxx; |
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sy = myy; |
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return this; // fluent API |
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} |
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@Override |
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public void moveTo(float x0, float y0) { |
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out.moveTo(x0 * sx, y0 * sy); |
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} |
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@Override |
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public void lineTo(float x1, float y1) { |
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out.lineTo(x1 * sx, y1 * sy); |
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} |
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@Override |
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public void quadTo(float x1, float y1, |
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float x2, float y2) |
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{ |
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out.quadTo(x1 * sx, y1 * sy, |
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x2 * sx, y2 * sy); |
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} |
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@Override |
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public void curveTo(float x1, float y1, |
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float x2, float y2, |
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float x3, float y3) |
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{ |
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out.curveTo(x1 * sx, y1 * sy, |
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x2 * sx, y2 * sy, |
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x3 * sx, y3 * sy); |
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} |
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@Override |
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public void closePath() { |
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out.closePath(); |
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} |
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@Override |
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public void pathDone() { |
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out.pathDone(); |
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} |
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@Override |
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public long getNativeConsumer() { |
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return 0; |
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} |
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} |
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static final class DeltaTransformFilter implements PathConsumer2D { |
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private PathConsumer2D out; |
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private float mxx, mxy, myx, myy; |
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DeltaTransformFilter() {} |
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DeltaTransformFilter init(PathConsumer2D out, |
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float mxx, float mxy, |
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float myx, float myy) |
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{ |
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this.out = out; |
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this.mxx = mxx; |
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this.mxy = mxy; |
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this.myx = myx; |
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this.myy = myy; |
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return this; // fluent API |
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} |
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@Override |
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public void moveTo(float x0, float y0) { |
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out.moveTo(x0 * mxx + y0 * mxy, |
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x0 * myx + y0 * myy); |
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} |
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@Override |
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public void lineTo(float x1, float y1) { |
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out.lineTo(x1 * mxx + y1 * mxy, |
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x1 * myx + y1 * myy); |
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} |
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@Override |
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public void quadTo(float x1, float y1, |
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float x2, float y2) |
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{ |
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out.quadTo(x1 * mxx + y1 * mxy, |
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x1 * myx + y1 * myy, |
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x2 * mxx + y2 * mxy, |
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x2 * myx + y2 * myy); |
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} |
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@Override |
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public void curveTo(float x1, float y1, |
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float x2, float y2, |
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float x3, float y3) |
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{ |
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out.curveTo(x1 * mxx + y1 * mxy, |
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x1 * myx + y1 * myy, |
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x2 * mxx + y2 * mxy, |
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x2 * myx + y2 * myy, |
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x3 * mxx + y3 * mxy, |
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x3 * myx + y3 * myy); |
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} |
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@Override |
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public void closePath() { |
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out.closePath(); |
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} |
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@Override |
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public void pathDone() { |
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out.pathDone(); |
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} |
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@Override |
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public long getNativeConsumer() { |
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return 0; |
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} |
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} |
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static final class Path2DWrapper implements PathConsumer2D { |
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private Path2D.Float p2d; |
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Path2DWrapper() {} |
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Path2DWrapper init(Path2D.Float p2d) { |
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this.p2d = p2d; |
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return this; |
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} |
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@Override |
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public void moveTo(float x0, float y0) { |
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p2d.moveTo(x0, y0); |
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} |
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@Override |
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public void lineTo(float x1, float y1) { |
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p2d.lineTo(x1, y1); |
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} |
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@Override |
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public void closePath() { |
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p2d.closePath(); |
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} |
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@Override |
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public void pathDone() {} |
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@Override |
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public void curveTo(float x1, float y1, |
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float x2, float y2, |
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float x3, float y3) |
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{ |
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p2d.curveTo(x1, y1, x2, y2, x3, y3); |
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} |
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@Override |
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public void quadTo(float x1, float y1, float x2, float y2) { |
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p2d.quadTo(x1, y1, x2, y2); |
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} |
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@Override |
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public long getNativeConsumer() { |
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throw new InternalError("Not using a native peer"); |
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} |
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} |
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} |