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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.java2d.pipe; | ||
| 27 | |||
| 28 | import java.awt.Color; | ||
| 29 | import java.awt.Image; | ||
| 30 | import java.awt.Shape; | ||
| 31 | import java.awt.geom.AffineTransform; | ||
| 32 | import java.awt.image.BufferedImage; | ||
| 33 | import java.awt.image.BufferedImageOp; | ||
| 34 | import java.awt.image.ImageObserver; | ||
| 35 | import java.awt.font.GlyphVector; | ||
| 36 | import sun.java2d.SunGraphics2D; | ||
| 37 | |||
| 38 | /** | ||
| 39 | * This is a class that implements all of the basic pixel rendering | ||
| 40 | * methods as NOPs. | ||
| 41 | * This class is useful for installing as the pipeline when the | ||
| 42 | * clip is determined to be empty or when the composite operation is | ||
| 43 | * determined to have no effect (i.e. rule == SRC_OVER, extraAlpha == 0.0). | ||
| 44 | */ | ||
| 45 | public class NullPipe | ||
| 46 | implements PixelDrawPipe, PixelFillPipe, ShapeDrawPipe, TextPipe, | ||
| 47 | DrawImagePipe | ||
| 48 | { | ||
| 49 | public void drawLine(SunGraphics2D sg, | ||
| 50 | int x1, int y1, int x2, int y2) { | ||
| 51 | } | ||
| 52 | |||
| 53 | public void drawRect(SunGraphics2D sg, | ||
| 54 | int x, int y, int width, int height) { | ||
| 55 | } | ||
| 56 | |||
| 57 | public void fillRect(SunGraphics2D sg, | ||
| 58 | int x, int y, int width, int height) { | ||
| 59 | } | ||
| 60 | |||
| 61 | public void drawRoundRect(SunGraphics2D sg, | ||
| 62 | int x, int y, int width, int height, | ||
| 63 | int arcWidth, int arcHeight) { | ||
| 64 | } | ||
| 65 | |||
| 66 | public void fillRoundRect(SunGraphics2D sg, | ||
| 67 | int x, int y, int width, int height, | ||
| 68 | int arcWidth, int arcHeight) { | ||
| 69 | } | ||
| 70 | |||
| 71 | public void drawOval(SunGraphics2D sg, | ||
| 72 | int x, int y, int width, int height) { | ||
| 73 | } | ||
| 74 | |||
| 75 | public void fillOval(SunGraphics2D sg, | ||
| 76 | int x, int y, int width, int height) { | ||
| 77 | } | ||
| 78 | |||
| 79 | public void drawArc(SunGraphics2D sg, | ||
| 80 | int x, int y, int width, int height, | ||
| 81 | int startAngle, int arcAngle) { | ||
| 82 | } | ||
| 83 | |||
| 84 | public void fillArc(SunGraphics2D sg, | ||
| 85 | int x, int y, int width, int height, | ||
| 86 | int startAngle, int arcAngle) { | ||
| 87 | } | ||
| 88 | |||
| 89 | public void drawPolyline(SunGraphics2D sg, | ||
| 90 | int xPoints[], int yPoints[], | ||
| 91 | int nPoints) { | ||
| 92 | } | ||
| 93 | |||
| 94 | public void drawPolygon(SunGraphics2D sg, | ||
| 95 | int xPoints[], int yPoints[], | ||
| 96 | int nPoints) { | ||
| 97 | } | ||
| 98 | |||
| 99 | public void fillPolygon(SunGraphics2D sg, | ||
| 100 | int xPoints[], int yPoints[], | ||
| 101 | int nPoints) { | ||
| 102 | } | ||
| 103 | |||
| 104 | public void draw(SunGraphics2D sg, Shape s) { | ||
| 105 | } | ||
| 106 | |||
| 107 | public void fill(SunGraphics2D sg, Shape s) { | ||
| 108 | } | ||
| 109 | |||
| 110 | public void drawString(SunGraphics2D sg, String s, double x, double y) { | ||
| 111 | } | ||
| 112 | |||
| 113 | public void drawGlyphVector(SunGraphics2D sg, GlyphVector g, | ||
| 114 | float x, float y) { | ||
| 115 | } | ||
| 116 | |||
| 117 | public void drawChars(SunGraphics2D sg, | ||
| 118 | char data[], int offset, int length, | ||
| 119 | int x, int y) { | ||
| 120 | } | ||
| 121 | |||
| 122 | public boolean copyImage(SunGraphics2D sg, Image img, | ||
| 123 | int x, int y, | ||
| 124 | Color bgColor, | ||
| 125 | ImageObserver observer) { | ||
| 126 | return false; | ||
| 127 | } | ||
| 128 | public boolean copyImage(SunGraphics2D sg, Image img, | ||
| 129 | int dx, int dy, int sx, int sy, int w, int h, | ||
| 130 | Color bgColor, | ||
| 131 | ImageObserver observer) { | ||
| 132 | return false; | ||
| 133 | } | ||
| 134 | public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y, | ||
| 135 | int w, int h, | ||
| 136 | Color bgColor, | ||
| 137 | ImageObserver observer) { | ||
| 138 | return false; | ||
| 139 | } | ||
| 140 | public boolean scaleImage(SunGraphics2D sg, Image img, | ||
| 141 | int dx1, int dy1, int dx2, int dy2, | ||
| 142 | int sx1, int sy1, int sx2, int sy2, | ||
| 143 | Color bgColor, | ||
| 144 | ImageObserver observer) { | ||
| 145 | return false; | ||
| 146 | } | ||
| 147 | public boolean transformImage(SunGraphics2D sg, Image img, | ||
| 148 | AffineTransform atfm, | ||
| 149 | ImageObserver observer) { | ||
| 150 | return false; | ||
| 151 | } | ||
| 152 | public void transformImage(SunGraphics2D sg, BufferedImage img, | ||
| 153 | BufferedImageOp op, int x, int y) { | ||
| 154 | } | ||
| 155 | } | ||