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394 lines
12 KiB
Java
394 lines
12 KiB
Java
/*
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* Copyright (c) 2007, 2011, 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.pisces;
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import sun.awt.geom.PathConsumer2D;
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import java.awt.geom.AffineTransform;
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final class TransformingPathConsumer2D {
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public static PathConsumer2D
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transformConsumer(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 Mxt = (float) at.getTranslateX();
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float Myx = (float) at.getShearY();
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float Myy = (float) at.getScaleY();
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float Myt = (float) at.getTranslateY();
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if (Mxy == 0f && Myx == 0f) {
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if (Mxx == 1f && Myy == 1f) {
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if (Mxt == 0f && Myt == 0f) {
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return out;
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} else {
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return new TranslateFilter(out, Mxt, Myt);
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}
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} else {
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if (Mxt == 0f && Myt == 0f) {
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return new DeltaScaleFilter(out, Mxx, Myy);
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} else {
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return new ScaleFilter(out, Mxx, Myy, Mxt, Myt);
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}
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}
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} else if (Mxt == 0f && Myt == 0f) {
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return new DeltaTransformFilter(out, Mxx, Mxy, Myx, Myy);
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} else {
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return new TransformFilter(out, Mxx, Mxy, Mxt, Myx, Myy, Myt);
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}
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}
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public static PathConsumer2D
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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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if (Mxy == 0f && Myx == 0f) {
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if (Mxx == 1f && Myy == 1f) {
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return out;
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} else {
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return new DeltaScaleFilter(out, Mxx, Myy);
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}
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} else {
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return new DeltaTransformFilter(out, Mxx, Mxy, Myx, Myy);
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}
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}
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public static PathConsumer2D
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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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if (Mxy == 0f && Myx == 0f) {
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if (Mxx == 1f && Myy == 1f) {
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return out;
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} else {
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return new DeltaScaleFilter(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 new DeltaTransformFilter(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 TranslateFilter implements PathConsumer2D {
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private final PathConsumer2D out;
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private final float tx;
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private final float ty;
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TranslateFilter(PathConsumer2D out,
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float tx, float ty)
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{
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this.out = out;
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this.tx = tx;
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this.ty = ty;
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}
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public void moveTo(float x0, float y0) {
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out.moveTo(x0 + tx, y0 + ty);
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}
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public void lineTo(float x1, float y1) {
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out.lineTo(x1 + tx, y1 + ty);
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}
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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 + tx, y1 + ty,
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x2 + tx, y2 + ty);
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}
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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 + tx, y1 + ty,
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x2 + tx, y2 + ty,
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x3 + tx, y3 + ty);
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}
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public void closePath() {
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out.closePath();
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}
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public void pathDone() {
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out.pathDone();
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}
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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 ScaleFilter implements PathConsumer2D {
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private final PathConsumer2D out;
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private final float sx;
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private final float sy;
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private final float tx;
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private final float ty;
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ScaleFilter(PathConsumer2D out,
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float sx, float sy, float tx, float ty)
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{
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this.out = out;
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this.sx = sx;
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this.sy = sy;
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this.tx = tx;
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this.ty = ty;
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}
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public void moveTo(float x0, float y0) {
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out.moveTo(x0 * sx + tx, y0 * sy + ty);
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}
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public void lineTo(float x1, float y1) {
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out.lineTo(x1 * sx + tx, y1 * sy + ty);
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}
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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 + tx, y1 * sy + ty,
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x2 * sx + tx, y2 * sy + ty);
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}
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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 + tx, y1 * sy + ty,
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x2 * sx + tx, y2 * sy + ty,
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x3 * sx + tx, y3 * sy + ty);
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}
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public void closePath() {
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out.closePath();
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}
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public void pathDone() {
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out.pathDone();
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}
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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 TransformFilter implements PathConsumer2D {
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private final PathConsumer2D out;
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private final float Mxx;
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private final float Mxy;
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private final float Mxt;
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private final float Myx;
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private final float Myy;
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private final float Myt;
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TransformFilter(PathConsumer2D out,
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float Mxx, float Mxy, float Mxt,
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float Myx, float Myy, float Myt)
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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.Mxt = Mxt;
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this.Myx = Myx;
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this.Myy = Myy;
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this.Myt = Myt;
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}
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public void moveTo(float x0, float y0) {
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out.moveTo(x0 * Mxx + y0 * Mxy + Mxt,
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x0 * Myx + y0 * Myy + Myt);
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}
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public void lineTo(float x1, float y1) {
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out.lineTo(x1 * Mxx + y1 * Mxy + Mxt,
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x1 * Myx + y1 * Myy + Myt);
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}
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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 + Mxt,
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x1 * Myx + y1 * Myy + Myt,
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x2 * Mxx + y2 * Mxy + Mxt,
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x2 * Myx + y2 * Myy + Myt);
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}
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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 + Mxt,
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x1 * Myx + y1 * Myy + Myt,
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x2 * Mxx + y2 * Mxy + Mxt,
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x2 * Myx + y2 * Myy + Myt,
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x3 * Mxx + y3 * Mxy + Mxt,
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x3 * Myx + y3 * Myy + Myt);
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}
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public void closePath() {
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out.closePath();
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}
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public void pathDone() {
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out.pathDone();
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}
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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 DeltaScaleFilter implements PathConsumer2D {
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private final float sx, sy;
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private final PathConsumer2D out;
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public DeltaScaleFilter(PathConsumer2D out, float Mxx, float Myy) {
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sx = Mxx;
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sy = Myy;
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this.out = out;
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}
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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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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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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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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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public void closePath() {
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out.closePath();
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}
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public void pathDone() {
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out.pathDone();
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}
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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 final float Mxx;
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private final float Mxy;
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private final float Myx;
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private final float Myy;
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DeltaTransformFilter(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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}
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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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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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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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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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public void closePath() {
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out.closePath();
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}
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public void pathDone() {
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out.pathDone();
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}
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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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}
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