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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 | +} | |