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 * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package sun.java2d.pipe;

import java.awt.Color;
import java.awt.Image;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ImageObserver;
import java.awt.font.GlyphVector;
import sun.java2d.SunGraphics2D;

This is a class that implements all of the basic pixel rendering
methods as NOPs.
This class is useful for installing as the pipeline when the
clip is determined to be empty or when the composite operation is
determined to have no effect (i.e. rule == SRC_OVER, extraAlpha == 0.0).
/**
 * This is a class that implements all of the basic pixel rendering
 * methods as NOPs.
 * This class is useful for installing as the pipeline when the
 * clip is determined to be empty or when the composite operation is
 * determined to have no effect (i.e. rule == SRC_OVER, extraAlpha == 0.0).
 */
public class NullPipe
    implements PixelDrawPipe, PixelFillPipe, ShapeDrawPipe, TextPipe,
    DrawImagePipe
{
    public void drawLine(SunGraphics2D sg,
                         int x1, int y1, int x2, int y2) {
    }

    public void drawRect(SunGraphics2D sg,
                         int x, int y, int width, int height) {
    }

    public void fillRect(SunGraphics2D sg,
                         int x, int y, int width, int height) {
    }

    public void drawRoundRect(SunGraphics2D sg,
                              int x, int y, int width, int height,
                              int arcWidth, int arcHeight) {
    }

    public void fillRoundRect(SunGraphics2D sg,
                              int x, int y, int width, int height,
                              int arcWidth, int arcHeight) {
    }

    public void drawOval(SunGraphics2D sg,
                         int x, int y, int width, int height) {
    }

    public void fillOval(SunGraphics2D sg,
                         int x, int y, int width, int height) {
    }

    public void drawArc(SunGraphics2D sg,
                        int x, int y, int width, int height,
                        int startAngle, int arcAngle) {
    }

    public void fillArc(SunGraphics2D sg,
                        int x, int y, int width, int height,
                        int startAngle, int arcAngle) {
    }

    public void drawPolyline(SunGraphics2D sg,
                             int xPoints[], int yPoints[],
                             int nPoints) {
    }

    public void drawPolygon(SunGraphics2D sg,
                            int xPoints[], int yPoints[],
                            int nPoints) {
    }

    public void fillPolygon(SunGraphics2D sg,
                            int xPoints[], int yPoints[],
                            int nPoints) {
    }

    public void draw(SunGraphics2D sg, Shape s) {
    }

    public void fill(SunGraphics2D sg, Shape s) {
    }

    public void drawString(SunGraphics2D sg, String s, double x, double y) {
    }

    public void drawGlyphVector(SunGraphics2D sg, GlyphVector g,
                                float x, float y) {
    }

    public void drawChars(SunGraphics2D sg,
                                char data[], int offset, int length,
                                int x, int y) {
    }

    public boolean copyImage(SunGraphics2D sg, Image img,
                             int x, int y,
                             Color bgColor,
                             ImageObserver observer) {
        return false;
    }
    public boolean copyImage(SunGraphics2D sg, Image img,
                             int dx, int dy, int sx, int sy, int w, int h,
                             Color bgColor,
                             ImageObserver observer) {
        return false;
    }
    public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y,
                              int w, int h,
                              Color bgColor,
                              ImageObserver observer) {
        return false;
    }
    public boolean scaleImage(SunGraphics2D sg, Image img,
                              int dx1, int dy1, int dx2, int dy2,
                              int sx1, int sy1, int sx2, int sy2,
                              Color bgColor,
                              ImageObserver observer) {
        return false;
    }
    public boolean transformImage(SunGraphics2D sg, Image img,
                                  AffineTransform atfm,
                                  ImageObserver observer) {
        return false;
    }
    public void transformImage(SunGraphics2D sg, BufferedImage img,
                               BufferedImageOp op, int x, int y) {
    }
}